• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:

    公开号:AT510229A1
    申请号:T0125610
    申请日:2010-07-27
    公开日:2012-02-15
    发明作者:
    申请人:Chemiefaser Lenzing Ag；
    IPC主号:
    专利说明:

    Lenzing AG, PL0502
    Fluorescent fiber and its use
    The present invention relates to fluorescently regenerated regenerated cellulose fibers for use in warning clothing, such as those described in standard EN 471, EN 1150, CAN / CSA Z96-02, ANSI / ISEA 207-2006 and BS EN 471: 2003, their use in the production of yarns and fabrics, and a method of making these fibers.
    State of the art:
    EN 471 only deals with the warning effect of personal protective equipment, in particular with warning clothing, warning clothing is usually made of a fluorescent background material and a retroreflective material. As the fluorescent material, for the purposes of the present invention, as defined in EN 471, is meant a material which emits rather than absorbs radiation at a longer wavelength; in the text below, the term high-vis material is also used. The present invention relates to the fluorescent background material, but not to retroreflective materials.
    The EN 1150 deals with the warning clothing for non-professional use. The difference between the EN 1150 standard and the EN 471 standard is the defined area of the fluorescent material in the clothing. In addition, 8 different luminous colors are permitted in EN 1150 (in EN 471 only yellow, orange and red fluorescent colors are allowed).
    The CAN / CSA Z96-02 standard is the Canadian standard for high-vis protective clothing. The clothing is divided into three classes depending on the application. The requirements for the surface of the fluorescent material and the color coordinates after irradiation comply with the standard EN 471. 1
    Lenzing AG, PL0502
    The American standard ANSI / ISEA 207-2006 defines the requirements for the protective clothing depending on the application. That the requirements for protective clothing for police, rescue workers and construction workers vary. The clothing for these three groups differs in 5 the requirements for the high-vis background material.
    So far, high-vis textiles are made only on the basis of synthetic fibers and here in particular polyester, but have disadvantages in terms of comfort and safety. The disadvantages of such textiles are especially in an unpleasant skin climate and in the
    Odor development after prolonged wear due to insufficient moisture-regulating material properties, as well as in the danger of electrostatic charge typical of synthetic fibers.
    An alternative is elaborate textile constructions whose outer side contains the high-vis component and whose inner side consists mainly of cellulosic fibers in order to improve the wearing comfort, such as e.g. in WO 2006/017709. Fibers by the viscose process and the lyocell process are known today as cellulosic regenerated fibers. They are manufactured worldwide for 20 standard applications in the textile and nonwovens sector with a single fiber titer between 0.8 and 15 dtex.
    Although cellulose regenerated fibers can be dyed by the conventional bath method with fluorescent dyes. But the fibers dyed in this way do not meet the requirements for light fastness (greater than 4, measured according to ISO 105-B02). After the xenon irradiation, they are significantly bleached and show a strongly changed color hue and a greatly reduced color depth, which can be represented, for example, as a shift in the coordinates of the color space.
    For decades it has been known to stain viscose fibers by spinning in color pigments permanently. Corresponding fibers are available on the market. In contrast to spun-dyed synthetic fibers, it has so far been 2
    Lenzing AG, PL0502 * · «· · ········ failed to produce spun-dyed regenerated fibers that meet the requirements of EN 471.
    Task:
    Compared to this prior art, the object was to provide a fiber that meets the one hand, the requirements for protective and Wamkleidung, as described for example in EN 471 and CAN / CSA Z96-02, and on the other hand comfort and safety aspects of these clothes increased at a reasonable economic cost. It should therefore be possible to make the protective and warning clothing from such a fiber without admixture of other fiber types.
    It is particularly important that the textiles produced from these fibers meet the following requirements for background materials in accordance with EN 471 (and other standards): • minimum luminance factor (CIE Publication No. 15.2) and color gamut • color after xenon irradiation: exposure of the sample according to ISO 105-B02, process • rubbing fastness dry and wet (ISO 105-A02)
    Another important criterion is the light fastness of the fibers according to ISO 105-B02 method 2.
    Furthermore, the object was to provide a suitable manufacturing method for these fibers. Solution: Surprisingly, this task could be achieved by regenerated cellulosic fibers containing a spun fluorescent pigment - hereinafter also "luminous pigment". called - as well as a spun color pigment contain dissolved. 3
    Lenzing AG, PL0502
    For the purposes of the present invention, the fluorescent pigment or luminescent pigment should be understood as meaning, in particular, such a fluorescent pigment which has a natural color perceptible to the human eye in daylight. If this were not the case, then the purpose of the invention - the effect of evil - would of course not be achieved. In this respect, the luminescent pigments must be clearly distinguished from pure optical brighteners. Surprisingly, it has been found that a significant improvement in the light fastness of the cellulosic regenerate fibers according to the invention over a fiber which contains only one luminescent pigment is made possible by the color pigment. It is higher than 4, measured according to ISO 105-B02.
    In this case, the required high luminance factor is achieved by the luminescent pigment. The cellulosic regenerate fibers according to the invention have a luminance factor measured in accordance with EN ISO 471 of more than 0.7 for yellow fibers, more than 0.4 for orange fibers and more than 0.25 for red fibers and only slightly changed color coordinates after the xenon test. Irradiation on. They also have a luminance factor, measured according to CAN / CSA Z96-02, of more than 0.38 for fluorescent yellow-green fibers, more than 0.20 for fluorescent orange-red fibers and more than 0.125 for fluorescent red fiber, and only a little altered color coordinates after Xenontest irradiation.
    The fibers also comply with the other values required in rubbing fastness, perspiration fastness, wash fastness, dry clean fastness, hypochlorite bleaching fastness and ironing fastness required in EN 471 and similar standards.
    The spun-dyed regenerated cellulosic fibers according to the present invention can be obtained, for example, by a viscose process, a modified viscose process (e.g., modal process, zinc-free viscose process with Al sulfate, Polynosic process, etc.), but also by a solvent process which can be carried out with organic solvents such as 4
    Lenzing AG, PL0502 molten aqueous amine oxides or so-called ionic liquids works to be produced. The fibers can accordingly be called viscose, modal, polynosic or lyocell. Other alternative methods such as the carbamate or the cupro method are in principle in question.
    Spunings were carried out with 0.1-25, preferably 0.2-5.0,% by weight of colored pigment and 0.1-22, preferably 7.0-17.0,% by weight of luminescent pigment (in each case based on cellulose).
    As color pigments, in principle, the products known to those skilled in the spin dyeing of the corresponding fibers are suitable. Among others, the pigments Aquarine Blue 3G from Tennents Textile Colors (Cu phthalocyanide complexes as chromophores), Aquarine Yellow 10G (from Tennants Textile Colors, Monoazo dye) and Color pigments for blue, yellow or orange fluorescent fibers Aquis Orange 0341 (Heubach, diarylide pyrazolone dye) in question.
    The luminescent pigments preferably contain amino-modified benzoguanamines as chromophore groups. Suitable examples are the yellow pigment Lunar Yellow 27 and the orange pigment Blaze 5 from the RTS series from the company Swada, with particle diameters of 3-4 gm. These substances are under the conditions of spin dyeing, d. H. Spinning solutions or spinning baths with very high or very low pH or high temperature sufficiently stable ..
    In principle, luminescent pigments with other chromophore groups, for example sulfonamide groups, are also suitable, provided they have the abovementioned stabilities.
    For non-professional fluorescent fibers 8 different colors are allowed, as described in the EN 1150 standard. For sports textiles, polyester overdye fastness plays a key role in practical application, since many sports textiles are made from a blend of 5
    Lenzing AG, PL0502 ···· «· * · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · * * * * * *
    Viscose, modal or lyocell are made with synthetic fibers. If only luminescent pigments are spun into the cellulosic fibers, the lightfastnesses are also too low measured according to this standard. Therefore, the incorporation of colored pigments according to the invention is also necessary in this case in order to achieve sufficient lightfastnesses.
    The light fastness of the fibers according to the invention can be further improved by the addition of stabilizers. In principle, there are two types of stabilizers that can be used in luminescent fibers and their mechanism of action is different.
    These are UV absorbers and radical scavengers. In the case of UV absorbers, the light energy is converted into heat and dissipated as heat. Chemically, these substances are either organic, conjugated aromatic compounds (benzophenones, triazines, triazoles, and oxalanilides) or inorganic substances (eg, nano-ZnO and nano-TiOz) that function by the mechanism of light scattering. Radical scavengers are e.g. so-called HALS products (Hindered Amine Light Stabilizer).
    The cellulosic regenerate fiber may contain other additives. In a particular embodiment, the cellulosic regenerated fiber is additionally flame-retarded.
    A preferred embodiment of the flame-retarded fiber is made by the additional incorporation of a pigmented flame retardant. Suitable pigment-type flame retardants are, in addition to other types, in particular organophosphorus compounds, for viscose, for example, the well-suited and known 2,2'-oxybis [5,5-dimethyl-1,3,2-dioxaphosphorinan] 2,2-disulfide, obtainable from among Hand ice names Exolit or Sandoflam. 6
    Lenzing AG, PL0502 In another preferred embodiment, the cellulosic regenerated fiber is also antibacterial. In this case, the substances known to the expert can be used.
    The present invention also relates to the use of the fiber according to the invention for producing a yarn. In order to have suitable properties for the particular application, such yarn according to the invention may also contain fibers of other origin, for example (flame-retardant) polyester, modacrylic, para and meta-aramids, polyamideimide (Kermel®), (flame-retardant) wool , Polybenzimidazole (PBl), polyimide (P84®), polyamides, (flame retarded) polyamides, flame retarded acrylic fibers, melamine fibers, polyphenylene sulfide (PPS), polytetrafluoroethylene (PTFE), glass fibers, cotton, silk, carbon fibers, oxidized thermally stabilized polyacrylonitrile fibers (PANOX®) and electrically conductive fibers, and mixtures of these fibers. In a preferred embodiment, the mixing partners may also have high-vis equipment.
    Likewise provided by the present invention is the use of the fiber according to the invention for the production of a textile fabric. In addition to the fibers according to the invention, this fabric may also contain other fibers, for example (flame-retardant) polyester, modacrylic, para and meta-aramides, polyamideimide (Kermel®), (flame-retardant) wool, polybenzimidazole (PBl), polyimide (P84®),
    Polyamides, (flame retarded) polyamides, flame retarded acrylic fibers, melamine fibers, polyphenylene sulfide (PPS), polytetrafluoroethylene (PTFE), glass fibers, cotton, silk, carbon fibers, oxidized thermally stabilized polyacrylonitrile fibers (PANOX®) and electrically conductive fibers, and blends of these fibers. In a preferred embodiment, the further fibers may also have a high-vis finish.
    The sheet is preferably a woven, knitted or knitted fabric, but may in principle also be a nonwoven. In the case of a woven or knitted fabric, the mixture of the fibers according to the invention with the other fibers is either by mixing before yarn production, the so-called 7
    • · I · * ·· «<1 &lt; I
    Lenzing AG, PL0502 · * · «**« · · · «· · · · * I | | * * • Φ · «· · · Φ · ·« «« · »I * f Φ · Φ Φ Φ ♦
    Intimate mixing, or by jointly using each of pure yarns of different types of fibers in weaving, knitting or knitting possible.
    In the same way, the present invention also relates to the use of the fibers according to the invention for the production of a garment, wherein usually the abovementioned yarns or textile fabrics occur as intermediates within the textile warp. Various embodiments of such garments are well known to those skilled in the art and therefore need not be further described here.
    The invention will now be explained by way of examples. These are to be understood as possible embodiments of the invention. By no means is the invention limited to the scope of these examples.
    The color coordinates and the luminance factor before and after xenon irradiation were measured on a fiber sheet. The fiber sheets are produced in four steps: 10 g of fibers are mixed together with water, then swirled in a sheet forming apparatus according to ISO 3688: 1999 (E) and then dehydrated. The wet fiber sheet is then dried at 92 ° C for 20 minutes. The basis weight of the fibrous sheet thus obtained is 285 g / m 2 and the diameter is 20 cm.
    Example 1:
    A spun-dyed viscose fiber 1.7 dtex was coated with a content of 10.5% by weight of luminescent pigment Orange (from SWADA, RTS series, Blaze 5) and 1.7% by weight of color pigment Orange Aquis Orange 0341 (from Heubach, Diarylide pyrazolone) (based on cellulose pulp).
    The fluorescent fibers with incorporated color pigments and luminescent pigments remain stable after the Xenontest exposure (Table 1). The color coordinates remain within the specified range. The luminance factor lowers slightly. The light stability is high and the color is retained after washing. The rubbing fastnesses (dry and wet) correspond to the values in 8
    Lenzing AG, PL0502 * · · * · · · · · · · · · · · · t · · · i »i * * * **« «of the standard. From this it can be concluded that these protective fiber luminescent fibers fulfill the EN 471 standard in all requirements.
    Example 2 (Comparison): 5 A spun-dyed viscose fiber 1.7 dtex contains 12% of luminescent pigment orange (from SWADA, RTS series Blaze 5) (based on cellulose mass), in this case no color pigments were used. ,
    Example 2 shows (Table 1) that the luminescent fibers which receive only luminescent pigment 10 can not fulfill the EN 471 standard with luminescent pigments incorporated, since the color coordinates lie outside the stated range and the luminance factor after the UV irradiation drops significantly. Table 1 also shows the light fastnesses.
    The reading of 2 for the light fastness of a fiber according to the state of the art is therefore too low to meet the standard.
    From the present examples 1 and 2, it is thus clear that the incorporation of color pigments together with the luminescent pigments is necessary in order to use the fibers for the protective clothing. 20
    Example 3:
    A spun-dyed, flame-retardant viscose fiber having a single denier of 1.7 dtex contains 21% by weight of 2,2'-oxybis [5,5-dimethyl-1,3,2-dioxaphosphorinane] 2,2'-disulfide (Exolit 5060, Fa Clariant), 13.2% 25 luminescent pigment yellow (Lunar Yellow 27, Fa. SWADA) and 2.6% pigment yellow (Aquarine Yellow 10G from Tennants Textile Colors, chromophore groups are monoazo groups), in each case based on cellulose ,
    The high-vis fibers were exposed in Xenon test and then the color coordinates measured before and after the exposure. The fastnesses 30 were determined according to the test method ISO 105-B02.
    The yellow high-vis flame retardant fibers show excellent results. The luminance factor of the flame-retardant high-vis fibers is extremely high (0.98) and the value remains high even after irradiation
    Lenzing AG, PL0502 higher (0.81) than required by the standard (0.7 for yellow fibers). The color coordinates after exposure are almost the same as before exposure, indicating a high quality fiber. All authenticity tests show excellent results that meet all 5 requirements of the EN ISO 471 standard.
    Example 4:
    A spun-dyed viscose fiber with a single denier of 1.7 dtex was coated with a content of 11.0% by weight of luminescent pigment blue (Comet Blue 60, 10 SWADA) and 3.2% by weight of colored pigment blue (Aquarine Blue 3G, Tennent's Textile Colors, chromophore groups are Cu-phthalocyanide complexes). The fastness properties are summarized in Table 1.
    The polyester dyeing fastness of the blue 15 high-vis fibers for non-professional use made according to the invention shows very good values; the lightfastness is &gt; 4 (Table 1).
    These results confirm that High-Vis Cellulose Fibers can meet the EN 1150 standard and are suitable for non-professional garments, such as garments. B. recreational sports, are well suited. 20 10
    Lenzing AG, PL0502 * «* * * * * i · m« * «
    Table 1
    Example 1 2 3 4 Color Orange Orange Yellow, FR Blue Luminance factor Before exposure 0.47 0.47 0.98 After exposure 0.41 0.31 0.81 Color coordinates before exposure X 0.565 0.537 0.400 Y 0.377 0.417 0.528 Color coordinates after exposure X 0,520 0,423 0,398 Y 0,384 0,427 0,488 Rubbing fastness dry ISO 105-A02 4 4 wet 2 2 Light fastness ISO 105-B02 4 2 4,5 6 Washfastness 60 ° C ISO 105-C06 Color change 5 5 Bleeding Viscose 5 5 Blooming Wool 4-5 4 -5 polyester over-dyeing color change 5 4-5 4-5 bleed viscose 4 2-3 4-5 bleed polyester 1-2 2 4-5 sweat sour ISO-E04 color change 5 bleed viscose 5 bleed wool 4-5 sweat alkali color change 5 Bleeding viscose 5 bleeding wool 4-5 11
    权利要求:
    Claims (11)
    [1]
    Lenzing AG, PL0502 • ♦ * * * # * ·· »* *· * * * ►« «i · *« * * «•« · · »· · φ» • · * · «« «·« · · 1. Cellulosic regenerated fiber containing a spun color pigment and a spun fluorescent pigment.
    [2]
    2. Cellulosic regenerated fiber according to claim 1, characterized in that it contains 0.1-25% by weight, preferably 0.2-5.0% by weight of colored pigment and 0.1-22% by weight, preferably 7, 0 - 17.0 wt .-% fluorescent pigment, each based on cellulose.
    [3]
    3. Cellulosic regenerated fiber according to claim 1, characterized in that the fluorescent pigments contain amino-modified benzoguanamines as chromophoric groups.
    [4]
    4. Cellulosic regenerated fiber according to claim 1, which is prepared by a viscose, modal, lyocell, cupro or carbamate process.
    [5]
    5. Cellulosic regenerated fiber according to claim 1, which contains additional light stabilizers (UV absorbers, HALS and inorganic light stabilizers).
    [6]
    6. Cellulosic regenerated fiber according to claim 1, which is additionally equipped flame retardant.
    [7]
    A regenerated cellulose fiber according to claim 6, wherein the flame retardant finish is a spun-in organophosphorus compound.
    [8]
    8. Cellulosic regenerated fiber according to claim 1, which is additionally equipped antibacterial.
    [9]
    9. Use of the fibers according to claims 1 to 8 for the production of a yarn. 12 * * * * * * * * * * t Lenzing AG, PL0502 «« • suffered «* · ·» ** »* * *« • * iitit »· m« * # W # * »· 1 * 4 l &lt; »4
    [10]
    10. Use of the fibers according to claims 1 to 8 for the production of a textile Flächengebiides.
    [11]
    11. Use of the fibers according to claims 1 to 8 for the production of a garment for professional and non-professional use. 13
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    法律状态:
    2020-03-15| MM01| Lapse because of not paying annual fees|Effective date: 20190727 |
    优先权:
    申请号 | 申请日 | 专利标题
    ATA1256/2010A|AT510229B1|2010-07-27|2010-07-27|FLUORESCENT FIBER AND ITS USE|ATA1256/2010A| AT510229B1|2010-07-27|2010-07-27|FLUORESCENT FIBER AND ITS USE|
    PCT/AT2011/000297| WO2012012813A1|2010-07-27|2011-07-11|Fluorescent fibres and their use|
    JP2013520921A| JP2013537588A|2010-07-27|2011-07-11|Fluorescent fibers and their use|
    CN201180036491XA| CN103002760A|2010-07-27|2011-07-11|Fluorescent fibres and their use|
    EP20110748870| EP2597980B1|2010-07-27|2011-07-11|Fluorescent fibres and their use|
    RU2013108378/12A| RU2013108378A|2010-07-27|2011-07-11|FLUORESCENT FIBER AND ITS APPLICATION|
    US13/808,419| US20130149933A1|2010-07-27|2011-07-11|Fluorescent fibers and their use|
    TW100125311A| TW201219616A|2010-07-27|2011-07-18|Fluorescent fibres and their use|
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