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    • 专利摘要:
    Process for the treatment of refined flax which comprises an incorporation between the fibers, with preservation of the initial intra-fiber moisture, of an emulsion comprising from 60 to 80% by weight of water, and from 20 to 40% by weight of a lubricating composition, then a filling, the treated linen being able to produce pure linen yarn, especially knitting yarn, of metric number greater than 30, preferably 40.
    公开号:BE1024457B1
    申请号:E2017/0101
    申请日:2017-07-06
    公开日:2018-03-01
    发明作者:Pierre D'arras
    申请人:Van Robaeys Freres Société Anonyme；
    IPC主号:
    专利说明:

    (30) Priority data:
    07/13/2016 FR 1656749 (73) Holder (s):
    VAN ROBAEYS FRERES Société Anonyme
    59122, KILLEM
    France (72) Inventor (s):
    d'ARRAS Pierre 59240 DUNKERQUE France (54) PROCESS FOR TREATING FLAX, FLAX BUTTER AND FLAX FIBER (57) Process for treating refined flax which includes incorporation between fibers, with conservation of the initial intra-fiber moisture , an emulsion comprising from 60 to 80% by mass of water, and from 20 to 40% by mass of a lubricating composition, then a filling, the treated flax being capable of producing pure flax yarn, in particular knitting yarn, with a metric number greater than 30, preferably 40.
    Figure 1
    BELGIAN INVENTION PATENT
    FPS Economy, SMEs, Middle Classes & Energy
    Publication number: 1024457 Deposit number: BE2017 / 0101
    Intellectual Property Office International Classification: D01C 1/00 Date of issue: 03/01/2018
    The Minister of the Economy,
    Having regard to the Paris Convention of March 20, 1883 for the Protection of Industrial Property;
    Considering the law of March 28, 1984 on patents for invention, article 22, for patent applications introduced before September 22, 2014;
    Given Title 1 “Patents for invention” of Book XI of the Code of Economic Law, article XI.24, for patent applications introduced from September 22, 2014;
    Having regard to the Royal Decree of 2 December 1986 relating to the request, the issue and the maintenance in force of invention patents, article 28;
    Given the patent application received by the Intellectual Property Office on 07/06/2017.
    Whereas for patent applications falling within the scope of Title 1, Book XI of the Code of Economic Law (hereinafter CDE), in accordance with article XI. 19, §4, paragraph 2, of the CDE, if the patent application has been the subject of a search report mentioning a lack of unity of invention within the meaning of the §ler of article XI.19 cited above and in the event that the applicant does not limit or file a divisional application in accordance with the results of the search report, the granted patent will be limited to the claims for which the search report has been drawn up.
    Stopped :
    First article. - It is issued to
    VAN ROBAEYS FRERES Société Anonyme, Rue Saint-Michel, 59122 KILLEM France;
    represented by
    CABINET BEDE, Boulevard Général Wahis 15, 1030, BRUXELLES;
    POWIS de TENBOSSCHE Roland, Boulevard Général Wahis 15, 1030, BRUXELLES;
    OVERATH Philippe, Boulevard Général Wahis 15, 1030, BRUXELLES;
    a Belgian invention patent with a duration of 20 years, subject to the payment of the annual fees referred to in article XI.48, §1 of the Code of Economic Law, for: PROCESS OF TREATING FLAX, BOURRE DE
    FLAX AND FLAX FIBER.
    INVENTOR (S):
    D'ARRAS Pierre, Rue Maxence van der Meersch 33, 59240, DUNKERQUE;
    PRIORITY (S):
    07/13/2016 FR 1656749;
    DIVISION:
    divided from the basic application: filing date of the basic application:
    Article 2. - This patent is granted without prior examination of the patentability of the invention, without guarantee of the merit of the invention or of the accuracy of the description thereof and at the risk and peril of the applicant (s) ( s).
    Brussels, 03/01/2018, By special delegation:
    BE2017 / 0101
    PROCESS FOR TREATING FLAX, LINEN FIBER AND FLAX FIBER
    The invention relates to the field of treatment of flax fibers, obtained flax fibers and flax yarn.
    Flax has been cultivated for millennia for the fiber outside the stem. The cultivation of flax is favorable for the following crops, especially cereals, by a structuring effect of the soil increasing the yield of the next crop and breaking the cycle of weeds, allowing a reduction in treatments. Fertilizer requirements are low.
    The varieties of flax are oriented either towards the fiber, or towards the seed. For the fiber sector, the flax plants are uprooted from the field to keep the maximum stem length, then left to rot for several weeks on the spot. Retting allows subsequent separation of the fibers. After collection, the flax undergoes a scutching, mechanical separation operation. The scutching comprises a threshing separating the seeds and dust coming from the epidermis of the stem, a crushing, and a shelling separating the tows formed of short weak fibers pulled from the stem, the shives coming from the woody part of the stem analogous to small
    BE2017 / 0101 pieces of wood and dust. Dyeed flax consists mainly of long or tow fibers.
    Dust can Flax seed is animal. for the
    The other parts of the plant are recovered as co-products. The shives are incorporated into particle boards for their fire-retardant and sound and thermal insulation properties, or used in agricultural industries.
    be thermally recovered used for human consumption and The oil from the seed is used for human and animal consumption, in paints, varnishes and mastics, and in the manufacture of floor coverings. Oil cake, a by-product of oil, is used for animal feed.
    There are 2 types of spinning mills: one with so-called "long" fibers like linen and the other with so-called "short" fibers, cotton type.
    Before spinning, the flax fiber is cut and refined to form cotton flax. The name cotton flax means that the length of the flax fibers is close to the length of the cotton fibers. Cottonized linen is devoid of cotton fibers. In spinning, the cotton flax fiber is carded, then stretched, then spun. Cotton linen spinning is not practiced by the “open end” method for fine linen, in particular with metric number greater than Nm 34, and pure. The “open end” method, also known as spindle-free, consists of forming the wire in a hollow rotor at high speed. The wire retains a substantially zero twist.
    BE2017 / 0101
    Linen thread can be combined with other materials. Linen-viscose yarn is suitable for weaving with metric numbers of the order of 24, i.e. 24 meters of yarn per gram. The linen-viscose blend is difficult to produce due to the difference in fiber length. The actual viscose level being very high, the resulting product is devoid of the properties of linen.
    The most common spinning machines are of the so-called continuous ring type. Present in countries with low labor costs, such machines include several stages of treatment by hand. The linen is treated at a very slow rate.
    The Applicant has realized that the reason was a release of dust fouling the rotating parts and causing fiber breakage with production stoppage. The release of flax dust is also an obstacle to air jet spinning. Clogging of the drawing section and the drive rolls also causes fiber breakage.
    To limit the emission of spinning dust, the Applicant has envisaged further cleaning of the fiber before spinning, for example by hollow rotary dust collectors in cascade. However, this results in a high cost, slower operations and degraded material yields.
    BE2017 / 0101
    The Applicant has sought to meet the need for flax yarn suitable for "open end" or air jet spinning.
    In the nonwoven sector, the Applicant has carried out tests for transforming flax fiber into a veil by the operation called carding. The rate of the card with linen is very low. The fouling is strong. Breakage of the linen fiber veil is common.
    The Applicant has sought to meet the need for a linen carding veil suitable for needling and hydroliage in order to obtain needled or hydroliated webs.
    The process for treating refined flax according to a first mode, comprises an incorporation between the fibers, with conservation of the initial intra-fiber moisture, of an emulsion comprising from 60 to 80% by mass of water, and from 20 to 40% by mass of a lubricating composition, then a filling, the treated linen being capable of producing pure linen yarn, in particular knitting yarn, with a metric number greater than or equal to 30, preferably 40.
    Emulsion lubrication reduces the release of dust when spinning in such proportions that flax fibers can be spun into fine yarn. Water promotes the penetration of lubricant between the fibers. The water then evaporates, the fiber regaining its equilibrium humidity during storage, ie around 13%.
    BE2017 / 0101
    The process for treating carded or refined flax according to a second mode comprises incorporating between the fibers, with conservation of the initial intra-fiber moisture, an emulsion comprising from 60 to 80% by mass of water, and 20 at 40% by mass of a lubricating composition, then a filling, the treated flax being capable of producing a veil for hydroliage at a speed greater than 15 m / min.
    The process for treating carded or refined flax according to a third mode comprises incorporating between the fibers, with conservation of the initial intra-fiber moisture, an emulsion comprising from 60 to 80% by mass of water, and 20 at 40% by mass of a lubricating composition, then a filling, the treated flax being capable of producing a veil for needling at a speed greater than 5 m / min.
    In one embodiment, the composition consists of 65 to 95% of lubricant and 5 to 35% of an antistatic, by mass, preferably 80 to 85% of lubricant and 15 to 20% of an antistatic. The addition of an antistatic is suitable for spinning by air jet.
    In another embodiment, the composition consists of 65 to 95% of lubricant, 5 to 35% of antistatic, and more than 0 to 25% of cohesion agent, by mass, preferably 70 to 75% of lubricant, from 15 to 20% of antistatic and 5 to 15% of cohesion agent. The addition of an antistatic and a cohesion agent is suitable for spinning, needling or hydroliage.
    BE2017 / 0101
    In one embodiment, the method comprises a step of leaching before refining or a step of softening with water before refining. We can limit the number of refining passes to 2 for a needling or posterior hydroliage, to 4 for a posterior spinning.
    In one embodiment, the ripening is dry. The treatment during spinning, needling or hydroliage is faster.
    In one embodiment, the dyed linen is a tow or a tow. The yield is high. The presence of woody residues is mainly avoided.
    In one embodiment, the refining comprises at least 4 passes.
    In one embodiment, the emulsion is incorporated into the linen in a proportion of 1.0 to 3.0% by mass, preferably 1.5 to 2.2%. The process is economical. The mass of the tow is not significantly modified. A fine product can be obtained at the outlet. Downstream machines can keep their settings. In the case of the tow, the fouling of the machines is a sensitive point. This fouling is significantly reduced. The work of the fiber is done better.
    In one embodiment, the method comprises cottonizing the flax and then incorporating into the cotton flax one or more of: viscose, polyester
    BE2017 / 0101 and cotton, in a proportion of less than 50% by mass on leaving the spinning mill, preferably less than 25%, more preferably less than 15%, more preferably still less than 10%. The properties of the yarn can be adjusted to the requirements of the downstream without the maximum rate of flax imposed by the upstream.
    In one embodiment, the method is devoid of incorporating another fiber into the refined flax. The main properties of flax are fully exploited.
    In one embodiment, the method comprises a subsequent step of spinning with a hollow rotor (“ring”) or with an air jet producing thread with a metric number greater than 30, preferably 40. A knitted fabric of pure linen is made possible very fine, in particular with a metric number greater than or equal to 50, preferably 60.
    In one embodiment, the method comprises a refining bringing the length of at least 90% of the stained flax fibers between 20 and 40 mm.
    The invention also provides a lubricated flax flock consisting of flax fibers of length between 20 and 70 mm and a lubricating composition in a proportion of 0.1 to 1.0% by mass, preferably from 0.5 to 0 , 8%.
    A pressing step allows flax to be fluffed. The floss in the form of balls
    BE2017 / 0101 can be exploited by spinning, needling or hydroliage with high linen content. The flock of primed lubricated flax retains the advantageous properties of flax while offering reduced fouling of spinning machines and being able to be used in the applications for which flax is sought.
    The invention also provides a carded fiber consisting of flax fibers of length between 20 and 70 mm and a lubricating composition in a proportion of 0.1 to 1.0% by mass, preferably from 0.5 to 0.8 %.
    Other characteristics and advantages of the invention will appear on examining the detailed description below, and the appended drawings, in which:
    - Figure 1 illustrates schematically and functionally an example of the process;
    - Figures 2 and 3 are views with an electronic microscope of flax fibers respectively according to the prior art and according to the invention; and
    - Figure 4 is a schematic side view of a processing line.
    The accompanying drawings may not only serve to complete the invention, but also contribute to its definition, if necessary.
    "Spinning" means the spinning operation and "spinning" of the machine or factory performing the spinning operation.
    BE2017 / 0101
    The known flax yarn manufacturing processes are quite well suited for large yarns. Large yarns, with a metric number less than 10, manage to pass through “open end” or “ring” spinning with an acceptable rate of breakage of yarn using screed tow fiber. Several types of thread, twine or cord are thus produced.
    From another perspective, we can also switch to spinning long fiber flax. Specialized preparations with combing and stretching are then necessary for a thorough cleaning of the flax fibers. This generates high losses and affects production flexibility and the cost of wire f.
    The Applicant has identified a need for fine flax yarns with short fibers suitable for passing through spinning machines which are also suitable for other fibers, in particular cotton. Such a thread is often called cotton linen. Mixed yarns with a high linen content could be produced. However, flax being naturally coarse and heterogeneous, currently the finer the thread, the lower the linen content. An obstacle encountered in spinning is the dust released by the flax which accumulates on the rotating parts of the machines, and fouls them until the wire breaks. This results in a drop in yield and a drop in the quality of the wire. The machine must then be stopped to perform cleaning and tie the two ends of the thread.
    BE2017 / 0101
    Document FR 2 734 846 proposes a mechanical treatment by carding, doubling, stretching, cutting to length of 50 mm, pneumatic pre-opening by passage in an open-blade fan and pneumatic opening by passage between two cylinders rotating in opposite directions at different speeds. , then in a perforated rotor blowing to obtain fibers 18 to 21 mm in height with a fiber content of length less than 10 mm from 10 to 12% and a fiber content of length greater than 13 mm of 50%, the height being an average of the lengths weighted by the sections. The dust problem is not addressed. The preparation is very long and the fiber length too short for rotor or air jet spinning. From the Applicant's experience, such fibers are unable to pass into desired spinning mills.
    Document CN 102677466 relates to a humidification-oiling process, after carding and drawing, for spinning wet fibers with the penetration of water and oil inside the fibers. How the oil gets inside the fibers is not described.
    The Applicant had the idea of a treatment upstream of spinning in order to spin short fiber flax in widely used machines. After numerous tests, the Applicant has discovered that the sizing by application of a lubricating emulsion to the flax tow emerging from scutching offered unpredictable advantages. A flax tow can be sized with said emulsion.
    BE2017 / 0101
    Water allows penetration of the emulsion between the flax fibers. The water then evaporates, leaving the lubricant in place. The lubricant ensures cohesion of the inter-fiber structures limiting the generation of spinning dust. So the emulsion, remaining on the surface, does not significantly inside the fibers. The humidity inside the flax fibers is improved. Indeed, during the passage in the refiners, the hygrometry of the fiber goes from 13% to 9% approximately. The surprising, does not penetrate the hygrometry fiber before spinning and therefore spraying the emulsion makes it possible to find a satisfactory rate more quickly. Rapid evaporation. Subsequently, the lubricant is removed from washing or bleaching after spinning. The properties of linen are preserved.
    From a flax yarn of superior quality, for example of quality between 55333 and 77444 according to the French nomenclature, a refining is carried out. The French nomenclature for dyed flax is established by the Cipalin, Interprofessional Committee for Agricultural Production of LIN. The first number represents nature: flexibility, density, shine:
    : oily, silky: oily: standard
    4: lean, hollow or sparkling: very septate:
    : over-rusted.
    BE2017 / 0101
    The second number represents the color of the linen:
    : shiny silver blue 6: blue with reflections
    5: half-blue: blond or hare: red or variegated, septoria 2: clear, straw yellow: dull, black (8): color difficult to define, mixed.
    The third number represents resistance:
    : very solid, chain = several shocks necessary before breaking, finger marking
    3: fairly solid = easy break but good sound "clack": medium = easy break: weak, weft = break effortlessly.
    The fourth number represents finesse:
    : very fine: fine: medium: poor, without finesse.
    The fifth figure represents the homogeneity of the retting and the cleanliness: very homogeneous: fairly homogeneous
    2: slight color defects: marked color defects.
    BE2017 / 0101
    Several embodiments are:
    a leaching, a spraying of demineralized water, followed by a refining in four passes on four refiners in series carrying out the cottonization of the linen, the refining causing a natural drying, a softening in water bath, optionally a spraying of demineralized water, followed by refining in four passes on four refiners in series carrying out the cottonization of flax, the refining causing natural drying, dry refining in eight passes of a tow at ambient humidity on eight refiners in series carrying out the cottonization of flax, a dry refining in four passes of a tow at room humidity on four refiners in series carrying out the cottonization of flax.
    Each refiner in a series of refiners is subject to its own adjustment. The fiber comes out cleaner and finer by dividing the fiber bundles.
    The term “refining” is understood here to mean the passage and treatment of the flax tow or tow by cleaning and dividing the fiber bundles by mechanical or chemical action. The refining can be carried out by a rotary spiked drum into which the flax tow is brought. The drum cleans the fiber, the dust generated being collected by suction and used as co-products. ' The drum stretches the fibers. The stretching can comprise a cracking bringing the length of the fibers between 20 and 70 mm with at least 50% of the fibers of length greater than or equal to 50 mm. Refining can
    BE2017 / 0101 be produced by a machine called opener-finisher, see FR 2 619 829. At the end of the ripening, the refined flax is pressed into fluff.
    As illustrated in FIG. 4, a processing line comprises an opener 1 with a rotary drum 2 carrying an external toothing. The opener 1 is fed by a conveyor belt 3. The opener 1 comprises supply rollers 4 and 5 to the rotary drum 2. The rotary drum 2 and the supply rollers 4 and 5 are surrounded by a casing 6 .
    At the outlet of the opener 1, in a lower zone of the rotary drum 2, the flax passes through a chute 7 under the effect of the air circulation caused by the rotary drum 2. The treatment line comprises a dust collector 8 - sometimes called condenser - fed by the chute 7. The chute 7 opens into an upper zone of the dust collector 8. The dust collector 8 comprises a rotary drum 9 and a roller 10 mounted in a housing 11. The rotary drum 9 is perforated so that the dust passes through for disposal. The rotary drum 9 can rub against a flexible strip forming a scraper. The linen passes between the rotary drum 9 and the roller 10. The linen leaves the dust collector 8 is carried out from the bottom towards a conveyor belt 12. The dust collector 8 allows a separation of the dust.
    The conveyor belt 12 has a length sufficient to be surmounted by a spraying boom 13 downstream of the dust collector 8. Downstream of
    BE2017 / 0101
    spray boom 13, flax is directed to a press to put the flax. The ramp of spray 13 includes a plurality of nozzles of spray, here ten, directed to the linen in movement on the conveyor belt 12. The ramp of spray 13 is supplied with emulsion and realizes
    the size of flax.
    In Figure 4, an opener and a
    1Q dust collector. Alternatively, the processing line includes a plurality of openers in series. Alternatively, the treatment line includes a plurality of dust collectors in series.
    At this stage, flax is a clean material containing a low rate of dust. The refined flax, in the form of flock, is added with an emulsion of lubricant / water composition, for example by spraying at the end of ripening. The spraying is carried out by pressurized nozzles arranged above the flock ply, across the width of the ply. The sheet can advance on a movable belt above which the nozzles are arranged. The nozzles are directed towards the tablecloth. Depending on the speed of advancement of the web, several nozzles can be arranged in succession in the advancement axis. The droplets formed by the nozzles are of chosen diameter. The spray rate is proportional to the mass flow of flax. Spraying is automatic, linked to the detection of a flock of flock on the carpet, by an optical cell or a mass sensor associated with the carpet.
    BE2017 / 0101
    The spraying rate is such that the emulsion is incorporated in a proportion of 1.0 to 3.0% by mass, preferably 1.5 to 2.2%, of the refined flax. Tests have shown. an optimal value of around 1.7%. The emulsion comprises from 60 to 80% by mass of water, and from 20 to 40% by mass of a composition based on lubricant, by mass. A preferred value is about 70% by mass of water and 30% by mass of lubricant-based composition. The initial intra-fiber humidity, generally between 10 and 15%, is decreased during the treatment to around 5 to 10%. A recovery of humidity is carried out in storage up to 10 to 15%.
    In a first embodiment, the lubricant-based composition consists of 65 to 95% of lubricant, in particular vegetable oil, and from 5 to 35% of an antistatic, by mass. Preferably, 80 to 85% of lubricant and 15 to 20% of antistatic are provided. Said composition is suitable for a spinning application. A preferred range is 82 to 84% lubricant and 16 to 18% antistatic.
    In a second embodiment, the lubricant composition consists of 65 to 95% of lubricant, in particular vegetable oil, 5 to 35% of antistatic, and more than 0 to 25% of cohesion agent, by mass. Preferably, 70 to 75% of lubricant, 15 to 20% of antistatic and 5 to 15% of cohesion agent are provided. Said composition is suitable for a needling application of flax fluff and a hydroliage application of flax fluff. A beach
    BE2017 / 0101 preferential is 72 to 74% of lubricant, 9 to 11% of cohesion agent and 16 to 18% of antistatic.
    The lubricant is soluble in water. In one embodiment, the lubricant is a composition of plant origin. In one embodiment, the lubricant is non-ionic. In one embodiment, the lubricant has a pH of between 5 and
    7. In one embodiment, the lubricant is antistatic. In one embodiment, the lubricant is non-greasy to the touch. As an example, the lubricant is Synthexol® 105 OL from PROCALP.
    In one embodiment, the lubricant comprises linseed oil. The lubricant can consist of linseed oil.
    In one embodiment, the lubricant is a composition based on petrolatum oil. In one embodiment, the lubricant has a pH of between 5 and 7. In one embodiment, the lubricant is antistatic. As an example, the lubricant is Synthexol® 258 from PROCALP.
    In one embodiment, the cohesion agent comprises colloidal silica. The cohesion agent can be Ludil® HS30 from PROCALP.
    In one embodiment, the antistatic includes phosphoric esters. In one embodiment, the antistatic is of pH between 5 and 7. In one embodiment, the antistatic is soluble in
    BE2017 / 0101 water. The antistatic T can be Deterzoil® S710 from
    PROCALP.
    In one embodiment, the composition is supplemented with an antifungal and / or a fire retardant.
    Processed refined flax is called flock. The treated refined flax is then put to rest in a storage hall where it recovers its atmospheric equilibrium humidity, for example for a period of the order of 24 to 60 h depending on the ambient temperature. The lubricant composition then remains in a proportion of 0.1 to 1.0% by mass, preferably from 0.5 to 0.8%, of the refined flax. The tests showed an optimal value of around 0.6%. The lubricant composition is located essentially on the surface of the flax fibers.
    The above spraying step is added to the scouring establishment after refining, which refining itself takes place after scouring. The spraying step takes place at the same speed as the exit from the refiner. The processed refined flax, after a period of rest, is delivered to a downstream establishment, see figure
    1. The photos reproduced in Figures 2 and 3 show an untreated flax fiber and a treated flax fiber seen with a scanning electron microscope. The untreated fiber has a rough surface with several instances of flaking generating dust. The observation was made on several fibers. The treated fiber has a smoother surface explaining the slightest generation of dust observed in practice.
    BE2017 / 0101
    The treated refined flax is then carded, then either spun, needle punched, or hydrolyzed. Carding by a carding machine, see BE532865, ensures cleaning. Depending on the machine settings, carding tends to parallelize the fibers. Spinning consists of forming threads. Preferably, the spinning is with air jet or hollow rotor called "open end" or "without spindle". Air jet spinning causes the fiber to twist with a jet of compressed air. Needling is a work of a veil of fibers by barbed needles causing the fibers to cross in thickness. Hydroletting produces a result similar to needling by means of water jets. A nonwoven results from needling or hydroliage.
    During this operation chosen from the three above, the treated refined flax can be kept pure. In other words, 100% of the fibers are flax.
    In another embodiment, during this operation chosen from the three above, the treated refined linen is added by incorporating one or more fibers from: viscose, polyester, cotton for example, in a proportion less than 50% by mass at output, preferably less than 15%, more preferably less than 10%. Viscose is a cellulosic fiber made from renewable resources, offering flexibility and resistance.
    In the case of air-jet or spindle-free spinning, yarn with a metric number greater than 30 is produced.
    BE2017 / 0101 such a yarn can be used in a knitting machine. Preferably, the thread has a metric number greater than 40. The knitting yarn Nm> 40 is of high strength, light and flexible.
    The textile may be a sheet produced by needling or hydroliage of a veil of fibers. The carding speed is increased by about 150%. The needled tablecloth can be implemented later without intermediate washing. In this case, the lubricating composition is persistent. In the other cases, the lubricant composition is removed during washing or rinsing, for example during dyeing. The speed of passage through a hydro or needling machine is increased from 100 to 500% approximately. The speed of passage in hydro-hydro is greater than 15 m / min, preferably at 50 m / min, for example of the order of 60 m / min. The speed of passing through a needling machine is greater than 4 m / min, preferably 5 m / min.
    The composition may consist of 65 to 95% of lubricant and 5 to 35% of an antistatic, by mass, preferably 80 to 85% of lubricant and 15 to 20% of an antistatic,
    The composition can consist of 65 to 95% of lubricant, 5 to 35% of antistatic, and more than 0 to 25% of cohesion agent, by mass, preferably 70 to 75% of lubricant, from 15 to 20% antistatic, and 5 to 15% cohesion agent.
    BE2017 / 0101
    The lubricated linen can be mixed in the carding machine or in the drawing machine with a minority proportion by mass of viscose, polyester and / or cotton in a proportion less than 50% measured at the outlet from spinning, preferably less than 15%, more preferably less than 10%. The properties of linen are thus preserved.
    The invention is not limited to the examples described above, only by way of example, but it encompasses all the variants that a person skilled in the art may envisage within the framework of the claims below.
    BE2017 / 0101
    权利要求:
    Claims (17)
    [1]
    Claims
    1. Method for treating refined flax, comprising incorporation between the fibers, with conservation of the initial intra-fiber moisture, of an emulsion comprising from 60 to 80% by mass of water, and from 20 to 40% by mass of a lubricating composition, then a filling, the treated linen being capable of producing pure linen yarn, in particular knitting yarn, with a metric number greater than 30, preferably 40.
    [2]
    2. Process for treating carded or refined flax, comprising incorporation between the fibers, with conservation of the initial intra-fiber moisture, of an emulsion comprising from 60 to 80% by mass of water, and from 20 to 40 % by mass of a lubricating composition, then a filling, the treated flax being able to produce a veil for hydroliage at speed greater than 15 m / min.
    [3]
    3. Process for treating carded or refined flax, comprising incorporation between the fibers, with conservation of the initial intra-fiber moisture, of an emulsion comprising from 60 to 80% by mass of water, and from 20 to 40 % by mass of a lubricating composition, then a filling, the treated flax being capable of producing a veil for needling at a speed greater than 5 m / min.
    [4]
    4. Method according to one of the preceding claims, in which the composition consists of 65 to 95% of lubricant and 5 to 35% of an antistatic, by mass, preferably 80 to 85% of lubricant and 15 to 20% an antistatic, or 65 to 95% lubricant, 5 to 35% antistatic, and more than 0 to
    BE2017 / 0101
    25% cohesive agent, by mass, preferably 70 to 75% lubricant, 15 to 20% antistatic and 5 to 15% cohesive agent.
    [5]
    5. Method according to one of the preceding claims, comprising a step of leaching before refining or a step of softening with water before refining.
    [6]
    6. Method according to one of claims 1 and 2, wherein the refining is dry.
    [7]
    7. Method according to one of the preceding claims, wherein the dyed flax is a tow or a tow.
    [8]
    8. Method according to one of the preceding claims, in which the refining comprises at least 2 passages, preferably at least 8 passages.
    [9]
    9. Method according to one of the preceding claims, wherein the emulsion is incorporated into the flax in a proportion of 1.0 to 3.0% by mass, preferably 1.5 to 2.2%.
    [10]
    10. Method according to one of the preceding claims, comprising cottonizing the flax and then incorporating into the cotton flax one or more of: viscose, polyester and cotton, in a proportion of less than 25% by mass at the end of the spinning, preferably less than 15%, more preferably less than 10%.
    [11]
    11. Method according to one of claims 1 to 9, free of incorporation of another fiber in the refined flax.
    [12]
    12. Method according to one of the preceding claims, comprising a subsequent step of rotor spinning.
    BE2017 / 0101 hollow or air jet producing wire with metric number greater than 30, preferably 40.
    [13]
    13. Method according to one of the preceding claims, comprising a refinement bringing the length of at least
    5 minus 90% of flax fibers dyed between 20 and 40 mm.
    [14]
    14. Lubricated flax floss consisting of flax fibers of length between 20 and 70 mm and a lubricating composition in a proportion of 0.1 to
    1.0% by mass, preferably from 0.5 to 0.8%.
    [15]
    15. Carded fiber consisting of flax fibers of length between 20 and 70 mm and a lubricating composition in a proportion of 0.1 to 1.0% by mass, preferably from 0.5 to 0.8%.
    BE2017 / 0101 lion:
    Tratemeni by lubricating emulsion ’Us
    BE2017 / 0101
    BE2017 / 0101
    BE2017 / 0101
    SHORT
    PROCESS FOR TREATING FLAX, LINEN FIBER AND FLAX FIBER
    Process for treating refined flax which comprises incorporating between the fibers, with conservation of the initial intra-fiber moisture, of an emulsion comprising
    5 60 to 80% by mass of water, and from 20 to 40% by mass of a lubricating composition, then a filling, the treated flax being capable of producing pure flax yarn, in particular knitting yarn, metric number greater than 30, preferably 40.
    FRENCH REPUBLIC will
    SSSSSSSSSSSSg »I SNSTÎÏUT ί
    NATIONAL
    OE LA PSWKiÉYÉ 5SœiiSïSæU. £
    REPORT PRELIMINARY RESEARCH established on the basis of the last claims filed before the beginning of the reohershe
    H “natona recording!
    FA 829Ö92 FR 1656749
    DOCUMENTS CONSIDERED AS RELEVANT
    Rwencfcat! Year (·) concerned (8)
    Classification assigned to ä'imrenrtion by i'iNRi
    Category
    CitsSas of the document aviso indioaiion, if necessary, of pajtieâ partinsrrtea
    CN 101 818 379 A (JIANGXI DONGYABAXIAN CO LTD) September 1, 2010 (2Θ1Θ-Θ9-Θ1) * examples 3-12 * * claims *
    WO 93/18118 A1 (ICI PLC [GB])
    [16]
    September 16, 1993 (1993-09-16) * page 8 »line 29 - page 9, line 4 * * claims *
    CN 101 230 541 A (QM EQUIP RES INST DEPT PLA [CN]) July 30 2Θ08 (2008-Ο7-3Θ) * examples 3 ~ 9 * * claims *
    CN 102 061 538 B (SHANDONG H0NGYE TEXTILE CO LTD) July 4, 2012 (2012-07-04) * abstract * * claims *
    CN 102 677 466 A (WUHU JINYATE LINEN TECHNOLOGY CO LTD)
    [17]
    September 19, 2012 (2012-09-19) * abstract * * claims *
    1.3-13
    1.3-7.9,
    12.13
    12.13
    1-11
    12.13
    1-11
    D01C1 / 0O
    RESEARCHED TECHNICAL CO & äÄiHES (SPC)
    D06M
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    同族专利:
    公开号 | 公开日
    DE102017115528A1|2018-01-18|
    BE1024457A1|2018-02-23|
    FR3053981A1|2018-01-19|
    FR3053981B1|2019-09-06|
    引用文献:
    公开号 | 申请日 | 公开日 | 申请人 | 专利标题
    FR2619829A1|1987-09-02|1989-03-03|Laroche Fils Const Meca|ROTARY DRUM WITH POINTS, FOR A TEXTILE MACHINE, OPENER, DEFIBREUSE, COLLAPTER, OR THE LIKE|
    GB9205376D0|1992-03-12|1992-04-22|Ici Plc|Textile lubricant compositions|
    FR2734846B1|1995-05-31|1997-08-22|Teillage Du Neubourg Soc Coop|FLAX LINED FIBERS AND METHOD OF PREPARATION|
    CN101230541A|2007-12-13|2008-07-30|中国人民解放军总后勤部军需装备研究所|Hemp softening oil, preparation method and use thereof|
    CN101818379B|2009-02-27|2011-11-30|江西东亚芭纤股份有限公司|Flax fibers and preparation method thereof|
    CN102061538B|2010-12-30|2012-07-04|山东宏业纺织股份有限公司|High-count ring compact spun pure flax yarn and manufacturing process thereof|
    CN102677466A|2012-05-28|2012-09-19|芜湖金亚特亚麻科技有限公司|Flax oiling and moisturizing preserving process|
    法律状态:
    2018-03-14| FG| Patent granted|Effective date: 20180301 |
    优先权:
    申请号 | 申请日 | 专利标题
    FR1656749|2016-07-13|
    FR1656749A|FR3053981B1|2016-07-13|2016-07-13|PROCESS FOR TREATING FLAX, LINEN AND LINEN FIBER|
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