• 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:
    The invention relates to a transparent sealing compound, in particular for penetrating the wall of lines or splice points of a cable set. In order to give such a sealing compound a higher flexibility, it is proposed that the sealing compound consists of a radiation-crosslinked, in particular UV-crosslinked polyalkyl acrylate, which is crosslinked in such a way that its expansion according to ISO 527-2 / 1BA / 300, June 2012 edition, is Material thickness of 1.5 mm is more than 1000% and its shear strength according to DIN EN 1943, January 2003 edition, (tested according to method A, 625 mm 2 contact area) is less than 1000 min. The polyalkyl acrylate contains: 89.0 mass% to 99.9 mass% of one or more alkyl acrylate monomers with 4 to 20 carbon atoms in the alkyl chain and 0 mass% to 10.0 mass% acrylic acid and / or methacrylic acid and 0.1 Mass% to 1.0 mass% of one or more photoinitiators that absorb UV light in the range from 200 nm to 400 nm.
    公开号:CH712122B1
    申请号:CH00116/17
    申请日:2017-02-01
    公开日:2021-02-26
    发明作者:Frigge Christoph；Putsch Nina；Fieselmann Torsten
    申请人:Coroplast Fritz Mueller Gmbh & Co Kg；
    IPC主号:
    专利说明:

    The present invention relates to a transparent sealing compound, in particular for use on a wall penetration of lines or at a splice point of a cable set. The invention also relates to a use of such a sealing compound for sealing a spliced cable set and on a wall penetration for lines.
    Elongated goods such. B. lines or hoses, often have to be sealed in wall penetrations against liquids or gases running along the property. In the case of individual lines, flexible sleeves are sufficient for this, which have a slightly smaller diameter than the material and which are additionally glued if necessary. However, if several bundled lines have to be sealed, a sealing compound is also used, which fills and seals the gussets between the preferably round lines.
    In DE 10 2013 111 876 A1, several wall penetrations of lines are described on a flame sensor device. The subject of the application comprises a cable arrangement which has a housing. The housing defines an interior volume and the housing has a first cable end portion and a second cable end portion. The cable arrangement also has at least two cable fittings, the first cable end part and the second cable end part being connected to a cable fitting by a first seal. Each of the cable fittings defines a cable fitting opening. The cable assembly also includes an electrical cable. The electrical cable is passed through the cable fitting opening in each cable fitting and through the interior volume of the housing. The cable assembly further includes a second seal located in the annular space between the electrical cable and the cable fitting opening on the first cable end portion. The second seal is designed in such a way that moisture and contamination are prevented from getting through the cable fitting opening. The cable assembly further includes a third seal and at least one deformable seal component located on the second cable end portion. The third seal and the at least one deformable sealing component are also designed in such a way that moisture and contaminants are prevented from getting through the cable fitting opening. In order to achieve this, the second seal and / or the third seal of the cable arrangement can comprise an epoxy material, which can in particular be a high-temperature epoxy for use up to temperatures of 250 ° C. or above.
    A sealing problem similar to that described above exists when splicing electrical cables and sealing the splices against moisture or aggressive gases. In the case of single cores, shrink tubing is often used for this purpose, but an additional sealing compound is required at splice points from which more than two cores branch off.
    Thus, in the German utility model 1 831 658 a known seal for connections of cable sheaths and housings of terminations or housings of connecting sleeves is described in which a connection point made by welding, soldering, gluing or other methods to secure against mechanical stresses as well A body made of an unspecified cast resin sealant is arranged against any leaks that arise. This body is intended to prevent the connection points from becoming leaky as a result of mechanical stresses, such as pressure, tension or impact, which can occur after a cable has been laid.
    The epoxy casting resins mentioned are transparent, from which it follows that transparent casting compounds of the type mentioned, which are formed from casting resins based on polyesters or epoxy resins, represent the known state of the art with regard to a sealing compound according to the invention. Disadvantages of such reactive masses - usually consisting of several components - as described in DE 10 2013 111 876 A1 are their complex processing, a long curing time and a lack of flexibility of the cured masses. In the case of such slowly hardening masses, however, it is advantageous that they are easy to assemble and that the seal produced by them is generally very pressure-resistant and resistant to mechanical loads.
    If the lines are flexible, a flexible sealing compound is preferably also used, since otherwise the sealing compound can break during movements and the sealing effect can decrease. Sealing compounds made of butyl rubber, polyisobutylene and carbon black have long been used as flexible sealing materials of this type, which can also flow between the lines, for the longitudinal sealing of cable bundles as well as for splice sealing. Such sealants are z. B. in AT 318 043 B described. A disadvantage of these butyl rubber compounds is that they have a high tendency to creep even at room temperature and, in particular, can even flow out of the sealing point again when heated, as a result of which the sealing effect diminishes. Furthermore, it can be disadvantageous that the sealing compounds are black and therefore not transparent, which prevents the correct positioning over a splice point from being checked during assembly. Soot-containing sealing compounds also have a conductivity, albeit a low one, which can be a disadvantage in particular when sealing exposed current-carrying contacts.
    The invention is based on the object of an easy-to-install transparent sealant with a high sealing effect, in particular for use on a wall penetration of lines or at a splice point of a cable set, a cable set sealed with such a sealant and a wall penetration for lines with such a sealant create, while maintaining the advantages of transparency and the provision of a seal that is pressure-resistant and resistant to mechanical loads, a higher flexibility should be present.
    The problem underlying the invention is solved in that the sealing compound consists of a radiation-crosslinked polyalkyl acrylate, which is crosslinked in such a way that its elongation according to ISO 527-2 / 1BA / 300 (June 2012 edition) at a material thickness of 1, 5 mm is more than 1000%, preferably more than 1500%, and its shear strength according to DIN EN 1943 (January 2003 edition, tested according to method A, 625 mm 2 contact area) is less than 1000 min, preferably less than 700 min . The polyalkyacrylate contains 89.0 mass% to 99.9 mass% of one or more alkyl acrylate monomers with 4 to 20 carbon atoms in the alkyl chain and 0 mass% to 10.0 mass% acrylic acid and / or methacrylic acid and 0.1 mass -% to 1.0 mass% of one or more photoinitiators that absorb UV light in the range from 200 nm to 400 nm. A lower limit of the shear strength can be 100 min and an upper limit of the elongation at 5000%. However, the latter in particular does not represent a critical value with regard to the invention. If the standards mentioned above or other standards are mentioned below, the editions valid at the time of filing are always meant - unless otherwise stated.
    The use of various types of radiation-polymerized and / or UV-polymerized and / or crosslinked acrylate compositions is known to be practiced for the production of pressure-sensitive adhesives. The use of such customary PSAs as sealing compounds is not possible, however, since, owing to their high cohesion, they are not able to flow around the lines to a sufficient extent and to seal them.
    In the context of the invention, UV light is used in particular for polymerization and radiation crosslinking.
    According to DIN 5031, part 7 (January 1984), the spectrum in the ultraviolet (UV) comprises the wavelengths from 100 nm to 380 nm, the upper value representing the limit to visible light. The frequency of the radiation thus ranges from 789 THz (380 nm) to 3 PHz (100 nm). This area is divided into the sub-areas UV-A, UV-B and UV-C. The wavelength range of UV-C radiation extends from 100 nm to 280 nm, with the photon energy in the range from 4.43 eV to 12.4 eV.
    The preferred crosslinking within the scope of the invention is one in which UV-A radiation - also known as “near UV” or “black light” - is used. The wavelength range extends from 315 nm to 380 nm, with the photon energy in the range from 3.26 eV to 3.94 eV. Sufficient crosslinking is achieved with a preferred radiation dose which is in the range from 400 mJ / cm 2 to 600 mJ / cm 2.
    In contrast to crosslinking techniques that are used in the production of acrylate adhesives and aim to achieve high tack and high adhesive cohesion, the degree of crosslinking of the polyacrylates is kept lower according to the invention, so that they can be achieved after only a small amount of manual pressure has been applied Fulfill sealing function. However, in order to prevent spontaneous flow of the sealant according to the invention under the conditions of use and thus limit the flow behavior of the sealant according to the invention, it is important to add small amounts of multifunctional acrylate monomers to the sealant in a production process according to the invention, whereby “multifunctional” means that the monomeric alkyl acrylate contains more than one acrylic group (CH2 = CH-COR). As a result, a number of free valences are made available for or during the polymer formation in the molecules, which allow polymerization to take place with simultaneous crosslinking. As a result, not only polymer chains, but a three-dimensional network are formed, which is advantageously characterized by the presence of rubber elasticity.
    According to the invention, the polyalkyl acrylate contains 89.9% by mass to 99.9% by mass, preferably 98.0% by mass to 99.9% by mass, of one or more alkyl acrylate monomers with 4 to 20 carbon atoms in the alkyl chain and 0 % By mass to 10.0% by mass, preferably 0% by mass to 1.9% by mass, acrylic acid and / or methacrylic acid and 0.1% by mass to 1.0% by mass of one or more photoinitiators that are im Range from 200 nm to 400 nm, preferably in the range from 315 nm to 380 nm, absorb UV light. UV-A radiation is used for crosslinking in the preferred wavelength range. For the polyalkyl acrylate it can be provided in particular that it contains 0.01% by mass to 1.0% by mass of an alkyl diol diacrylate monomer or an alkyl triol triacrylate with 4 to 20 carbon atoms in the alkyl chain.
    The sealing compound according to the invention combines high transparency of the seal with a long-term, highly effective sealing effect, with the advantage of high flexibility and resistance to mechanical loads such as pressure, tension and impacts being given.
    Due to the set on the way of a UV crosslinking in the sealing compound according to the invention - in comparison with known acrylate compounds extraordinarily high - elongation according to ISO 527-2 / 1BA / 300 (June 2012) of more than 1000% with a material thickness of 1 , 5 mm and the shear strength according to DIN EN 1943 (January 2003 edition, tested according to method A, 625 mm <2> contact area) of less than 1000 min is, according to the invention, a balanced ratio of adhesion and cohesion to one another with regard to the intended use of the sealant adjusted to the crosslinked polyalkyl acrylate.
    In this case, sealing compound according to the invention, in particular in comparison with conventional sealing compounds based on butyl, is given a high level of elasticity. The filling of the gaps to be sealed is achieved by an extremely low deformation energy, which is below 0.1 N / mm 2 to achieve a 200% elongation.
    In comparison with the known butyl rubber compound, the viscous portion of the sealing compound according to the invention responsible for creeping is significantly reduced, so that it tends to spontaneously and significantly flow neither at room temperature nor at higher temperatures.
    However, the sealant is flowable under low, especially manual, pressure so that - in contrast to the known acrylate adhesives - under low pressure, especially under manual pressure, it is able, in normal use, to clear the spaces between the lines of a bundle of lines to be filled out.
    This advantageous property profile is also reflected in particular in the parameters bond strength to steel (adhesion) and shear strength (cohesion), measured at room temperature 23 ° C and elevated temperature 70 ° C.
    While the sealing compound according to the invention is located between the elongated material and a wall of the penetrated body during penetration and is therefore not accessible from the outside, it would, if further measures were not taken, be exposed in split ends. Since exposed sticky areas at assembly sites are generally not acceptable and also have little mechanical strength, they are therefore additionally covered. This can be done, for example, with an adhesive tape or with a shrink tube.
    A shrink tube is a plastic tube that contracts strongly under the action of heat - usually through the supply of hot air. Here, the product introduced into the hose before it is heated is electrically isolated from its surroundings and protected from mechanical damage.
    A sealing effect achieved by a sealing compound and a cover at a splice point can be checked in a standardized manner in that a splice point having at least six cable outlets on each side is surrounded with the sealing compound, this in turn is covered with a shrink tube and after 24 -Hours of storage in a 5% NaCl solution, the resistance between the wire and the water basin is measured at 100 V DC. According to industry specifications, the result must be resistance values of more than 2 × 10 <8> ohms so that the profile of requirements placed on the sealant is met.
    In addition, the tightness can be checked by means of a compressed air test in which an internal pressure is generated via a thin tube inserted into the splice point. The splice must withstand an internal pressure of at least 0.5 bar without air bubbles occurring.
    These requirements are met with the sealing compound according to the invention.
    Further advantageous embodiments of the invention are contained in the subclaims and the following specific description.
    In a preferred embodiment of the invention, the sealing compound according to the invention is used to surround a splice point on all sides with the sealing compound and then envelop it with a shrink tube or with an adhesive tape. Shrink tubing and / or adhesive tape should preferably be transparent so that the splice point is visible.
    The sealing compound can be used in sheet form, and it can preferably have a thickness in the range from 1.0 mm to 5.0 mm. The length and width of the board can be freely selected and are based in particular on ease of installation. For example, a sealant board can be in A5 or A4 format or formed from a 5 cm x 10 cm strip.
    In a further embodiment, the sealing compound according to the invention is applied to a carrier film. As a result, additional expenditure that arises from wrapping a sticky sealant point with an adhesive tape or also from pushing a shrink tube over such a point can be minimized. The carrier film can in particular consist of a polymer, preferably of polyethylene, polypropylene, polyester, polyamide or polyurethane or of copolymers or coextrudates of these plastics. The carrier film should preferably be transparent, puncture-proof and / or flexible. On the one hand, it can serve to facilitate the pushing of a shrink tube over the splice point, which is no longer sticky due to the presence of the film, or on the other hand to ensure external protection of the sealing compound. Under certain circumstances, an additional shrink tube or an adhesive tape for wrapping can be dispensed with entirely. The composite of the sealing compound according to the invention and the carrier film is referred to in the application as the sealing tape according to the invention.
    The sealing compound is preferably applied to the carrier film in such a way that the carrier film has an uncoated edge on at least one side. As a result, when the sealing compound is applied under a manually applied pressure to envelop the sealing point, it can flow into the space between the uncoated edge and the elongated material without already emerging from the enveloped area of the sealing point. The width of the uncoated edge of the film should be selected depending on the scope of the item to be sealed, the thickness of the sealant on the film and the pressure to be applied during application. In the case of conventional, manually processed split ends with a circumference of about 3.0 cm and a 1.5 mm thick sealing compound according to the invention, it is in the range from 0.5 cm to 2.0 cm. Provision can be made for the carrier material to have a thickness in the range from 20 μm to 500 μm, preferably in the range from 50 μm to 200 μm.
    Embodiment
    A mixture of 98.98% by mass of 2-ethylhexyl acrylate, 1.00% by mass of acrylic acid and 0.02% Ciba® Irgacure® 184 is flushed with nitrogen and stirred (300 rpm with a propeller stirrer) with LED Light with a wavelength of 365 nm is prepolymerized until a viscosity of 2.3 Pas (measured at 23 ° C. with a commercially available viscometer from Brookfield, model RV DV-III U EZ, spindle 3) has been set. For this purpose, a 200 kg mixture was irradiated with two LED lamps of the “LED Spot 100” type from Hönle with a power of 800 mW / cm 2.
    Ciba® Irgacure® 184 is a photoinitiator that is used to set the polymerization and / or crosslinking of chemically unsaturated prepolymers, for example acrylates, in motion. In particular, it is 1-hydroxy-cyclohexyl-phenyl-ketone, which has a molar mass of 204.3. After absorption of UV light, the molecules of this substance disintegrate and through this photolysis reaction form a reactive species, which initiates the chain start.
    The viscosity of a mass prepolymerized in this way in the first process stage can vary by ± 30 percent.
    The prepolymer is then - based on 100% by mass of prepolymer - with a further 0.20% by mass of Ciba® Irgacure® 184, 0.10% by mass of Ciba® Irgacure® 651 and 0.05% by mass of Laromer® HDDA mixed, applied in a layer thickness of 1.5 mm to a siliconized paper liner and then, again with the exclusion of oxygen, polymerized and crosslinked with UV-A light. The exclusion of oxygen is achieved through a nitrogen atmosphere.
    Alternatively, to exclude oxygen, the mass can also be covered with a transparent, siliconized polyester film liner. The siliconized liners are peeled off before the compound is used.
    For crosslinking, the coated mass was driven at 1 m / min through a 4 m long irradiation unit in which 40 UV-A lamps of the type “Narva LT-T8 30 W 009 UV” were installed. This achieves a UV radiation dose of 450 mJ / cm 2 (measured with a Uvicure Plus II radiometer from Dymax).
    Ciba® Irgacure® 651 is a photoinitiator which also serves to set the polymerization and / or crosslinking of chemically unsaturated prepolymers, for example acrylates, in motion. In particular, it is 2.2 dimethoxy-1,2-diphenylethan-1-one.
    Laromer® HDDA is the name of an acrylic acid ester marketed by BASF, which can be used as a reactant in polymer production. The ester has two reactive acrylate groups per molecule, which - like other compounds of this type - enables it to co-polymerize and / or crosslink. In particular, it is hexane 1,6-diol diacrylate.
    In Table 1 below, the properties of the sealing compound according to the invention produced in this way are listed. The adhesive of a commercially available acrylic adhesive tape “Coroplast 9015SPT” from the applicant and a likewise commercially available butyl sealing compound “Deray ColdMelt” from DSG Canusa served as comparative examples.
    It should be emphasized in particular that in the sealing compound according to the invention - as can be seen from Table 1 - to achieve a 200% elongation, determined according to ISO 527-2 / 1BA / 300 with a material thickness of 1.5 mm, advantageously one only a very low tensile stress of less than 0.100 N / mm 2, preferably of less than 0.050 N / mm 2, has to be applied. In a complementary way, the reverse applies - with regard to the easy manual processing of the sealing compound according to the invention - in a similar manner for deformation under pressure.
    Table 1: Properties of different sealing compounds in comparison
    Material polyacrylate polyacrylate butyl rubber UV crosslinking UV-A UV-A - thickness mm 1.5 1.5 1.5 density g / cm <3> 1.0 1.0 1.4 color transparent transparent black temperature resistance ° C -40 - 220 -40 -220 -35-105 Adhesive strength, steel DIN EN 1939 N / cm 30 21 19 Tensile strength at break ISO 527-21BA * / 300 N / mm <2> 1.0 0.3 0.03 tensile stress ISO 527-2 N / mm <2> 0.100 0.020 0.025 100% elongation 1 BA * / 300 tensile stress ISO 527-2 N / mm < 2> 0.120 0.025 0.020 200% elongation 1 BA * / 300 tensile stress ISO 527-2 N / mm <2> 0.250 0.032 - 600% elongation 1 BA * / 300 elongation at break ISO 527-2% 800 2000 400 1 BA * / 300 shear strength DIN EN 1943 min> 10,000 665 <1 method A (23 ° C) 625 mm <2> shear strength DIN EN 1943 min> 10,000 14 <1 method A (70 ° C) 625 mm <2> * material thickness 1.5 mm
    As already mentioned, the dimensions of sealing compound strips to be used for a seal are dependent on the number and thickness of the lines that are to be connected in the splice. The sealing compound according to the invention of the exemplary embodiment and the sealing compounds of the two comparative examples according to Table 1 were placed in a width of 30 mm and a length of 60 mm around a cable splice, each consisting of 7 cables with a cross section of 2.0 mm 2 on each Lay on the side and wrapped in shrink tubing from DSG Canusa. The entire splice was about 10 mm in diameter.
    The properties listed in Table 2 were determined on the composite of the cable splice seals.
    Table 2: Properties of cable splice seals made with various sealing tapes
    Wrapping shrink tubing shrink tubing shrink tubing shrink tubing sealant see invention table 1 as example 1a on PE film 9015SPT butyl rubber resistance in ohms after 24 h salt water test at 100 V> 2 × 10 <10>> 2 × 10 <10> <0, 1> 2 × 10 <10> Air pressure test> 2> 2 0.1> 2
    In a further embodiment, the sealing compound was first applied in a width of 30 mm in the middle of a transparent 70 μm PE film with a width of 30 mm. This sealing tape was then placed around the splice and covered with shrink tubing.
    The invention is not limited to the exemplary embodiments shown, but rather also encompasses, within the scope of the claims, all embodiments and uses that have the same effect within the meaning of the invention.
    权利要求:
    Claims (15)
    [1]
    1. Transparent sealing compound, especially for use on a wall penetration of cables or at a splice point of a cable set,characterized in that the sealing compound consists of a radiation-crosslinked polyalkyl acrylate and that the polyalkyl acrylate- 89.0% by mass to 99.9% by mass of one or more alkyl acrylate monomers with 4 to 20 carbon atoms in the alkyl chain and- 0 mass% to 10.0 mass% acrylic acid and / or methacrylic acid and- contains 0.1 mass% to 1.0 mass% of one or more photoinitiators that absorb UV light in the range from 200 nm to 400 nm,whereby the polyalkyl acrylate is crosslinked in such a way that its elongation according to ISO 527-2 / 1BA / 300, edition June 2012, with a material thickness of 1.5 mm is more than 1000% and its shear strength according to DIN EN 1943, edition January 2003, - tested according to method A, 625 mm <2> contact area - less than 1000 min.
    [2]
    2. Sealing compound according to claim 1,characterized in that the sealing compound consists of a radiation-crosslinked polyalkyl acrylate which is crosslinked in such a way that its elongation according to ISO 527-2 / 1BA / 300, June 2012 edition, with a material thickness of 1.5 mm is more than 1500% and / or its shear strength according to DIN EN 1943, January 2003 edition, - tested according to method A, 625 mm <2> contact area - is less than 700 min.
    [3]
    3. Sealing compound according to claim 1 or 2,characterized in that the polyalkyl acrylate- 98.0% by mass to 99.9% by mass, of one or more alkyl acrylate monomers with 4 to 20 carbon atoms in the alkyl chain, and- 0 mass% to 1.9 mass%, acrylic acid and / or methacrylic acid as well- 0.1 mass% to 1.0 mass% of one or more photoinitiators that absorb UV light in the range from 315 nm to 380 nm,contains.
    [4]
    4. Sealing compound according to one of claims 1 to 3,characterized in that the polyalkyl acrylate contains 0.01 mass% to 1.00 mass% of an alkyl diol diacrylate monomer and / or an alkyl triol triacrylate monomer having 4 to 20 carbon atoms in the alkyl chain.
    [5]
    5. Sealing compound according to one of claims 1 to 4,characterized by a tensile stress at 200% elongation - determined according to ISO 527-2 / 1BA / 300, June 2012 edition, with a material thickness of 1.5 mm - of less than 0.100 N / mm <2>, preferably of less than 0.050 N / mm <2>.
    [6]
    6. Sealing compound according to one of claims 1 to 4,characterized by a tabular configuration of a 5 cm x 10 cm strip with a preferred thickness in the range from 1.0 mm to 5.0 mm.
    [7]
    7. Use of a sealing compound according to claims 1 to 6 for sealing cable sets or cable split points.
    [8]
    8. Sealing tape comprising a sealing compound according to claims 1 to 6 and a carrier material laminated onto the sealing compound on one side.
    [9]
    9. Sealing tape according to claim 8,characterized in that the carrier material consists of a film based on polyethylene, polypropylene, polyvinyl chloride, polyurethane, polyester or polyamide or of copolymers or coextrudates of the aforementioned materials.
    [10]
    10. Sealing tape according to claim 9,characterized in that the carrier material has a thickness in the range from 20 µm to 500 µm, preferably in the range from 50 µm to 200 µm.
    [11]
    11. Sealing tape according to claim 9 or 10,characterized in that the carrier material has an edge not coated with the sealing compound.
    [12]
    12. A method for producing a sealing compound according to any one of claims 1 to 6,characterized in that- 89.0% by mass to 99.9% by mass, preferably 98.0% by mass to 99.9% by mass, of one or more alkyl acrylate monomers with 4 to 20 carbon atoms in the alkyl chain and- 0% by mass to 10.0% by mass, preferably 0% by mass to 1.9% by mass, acrylic acid and / or methacrylic acid and- 0.1% by mass to 1.0% by mass of one or more photoinitiators which absorb UV light in the range from 200 nm to 400 nm, preferably in the range from 315 nm to 380 nm,be polymerized in a crosslinking manner using UV light and with the exclusion of oxygen, in particular with nitrogen flushing.
    [13]
    13. The method according to claim 12,characterized in that the polymerization and crosslinking takes place in a two-stage process, an alkyl diol diacrylate and / or an alkyl triol triacrylate monomer having 4 to 20 carbon atoms in the alkyl chain being used as monomer (s) at least in the second stage.
    [14]
    14. The method according to claim 12 or 13,characterized in that the polymerization and crosslinking takes place under the action of UV-A radiation.
    [15]
    15. The method according to any one of claims 12 to 14,characterized in that the polymerization and crosslinking takes place under the action of a radiation dose which is in the range from 400 mJ / cm 2 to 600 mJ / cm 2.
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    同族专利:
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    引用文献:
    公开号 | 申请日 | 公开日 | 申请人 | 专利标题
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    DE2131539C3|1971-06-22|1974-01-10|Siemens Ag, 1000 Berlin U. 8000 Muenchen|Sealant for sets of electrical cables|
    US5385772A|1988-09-19|1995-01-31|Adco Products, Inc.|Pressure-sensitive adhesive systems with filler|
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    CN105051083B|2013-03-18|2018-05-15|株式会社可乐丽|（Methyl）Acrylic block copolymer and its manufacture method|
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    KR102138820B1|2014-01-08|2020-07-28|삼성전자주식회사|Magnetic memory devices|
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    DE202015106261U1|2015-11-18|2015-12-16|Elantas Beck Gmbh|sealant|
    法律状态:
    2018-05-15| PCAR| Change of the address of the representative|Free format text: NEW ADDRESS: HOLEESTRASSE 87, 4054 BASEL (CH) |
    2021-08-31| PK| Correction|Free format text: BERICHTIGUNG B9 |
    优先权:
    申请号 | 申请日 | 专利标题
    DE102016101806.6A|DE102016101806A1|2016-02-02|2016-02-02|"Transparent sealant and its manufacture and use"|
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