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    UV-transparent pressure sensitive adhesive
    1.
    发明申请
    UV-transparent pressure sensitive adhesive 失效
    紫外线透明压敏胶

    公开(公告)号：US20040254289A1

    公开(公告)日：2004-12-16

    申请号：US10745305

    申请日：2003-12-22

    Applicant: tesa Aktiengesellschaft

    Inventor： Marc Husemann ,  Stephan Zollner

    IPC: C08J003/00

    CPC classification number: C09J133/02 ,  C08K3/36 ,  Y10S526/905 ,  Y10T428/2813 ,  Y10T428/2857 ,  Y10T428/2896

    Abstract: A UV-transparent pressure sensitive adhesive comprising (a) a copolymer of (a1) from 75 to 99.8% by weight of acrylic esters and/or methacrylic esters of the formula CH2nullCH(R1)(COOR2), where R1 is H or CH3 and R2 is an alkyl chain having 1 to 20 carbon atoms; (a2) from 0 to 10% by weight of acrylic acid and/or methacrylic acid of the formula CH2nullCH(R1)(COOH), where R1 is H or CH3; (a3) from 0.2 to 5% by weight of olefinically unsaturated monomers which contain at least one UV-crosslinking functional group per monomer; and (a4) from 0 to 20% by weight of olefinically unsaturated monomers which contain at least one functional group per monomer; the copolymer having a weight average molecular weight of less than 300,000 g/mol and (b) from 2 to 20% by weight, based on the weight of copolymer, of a silicate filler, the silicate filler having a maximum particle diameter of 50 nm; and having a residual solvent fraction of less than 1%, based on the pressure sensitive adhesive.

    Abstract translation: 一种UV透明压敏粘合剂，其包含（a1）75至99.8重量％的式（a1）与式CH2 = CH（R1）（COOR2）的丙烯酸酯和/或甲基丙烯酸酯的共聚物，其中R 1为H或 CH3和R2是具有1至20个碳原子的烷基链; （a2）0至10重量％的丙烯酸和/或式CH 2 = CH（R 1）（COOH）的甲基丙烯酸，其中R 1是H或CH 3; （a3）0.2至5重量％的每单体含有至少一个UV交联官能团的烯属不饱和单体; 和（a4）0至20重量％的每单体含有至少一个官能团的烯属不饱和单体; 所述共聚物的重均分子量小于300,000g / mol，（b）基于共聚物重量的2至20重量％硅酸盐填料，最大粒径为50nm的硅酸盐填料 ; 并且基于压敏粘合剂具有小于1％的残留溶剂分数。

    Low shrinkback hotmelt PSA, its preparation and use
    3.
    发明申请
    Low shrinkback hotmelt PSA, its preparation and use 审中-公开
    低收缩热熔PSA，其制备和使用

    公开(公告)号：US20040249102A1

    公开(公告)日：2004-12-09

    申请号：US10800341

    申请日：2004-03-12

    Applicant: tesa Aktiengesellschaft

    Inventor： Marc Husemann ,  Stephan Zollner

    IPC: B32B027/08

    CPC classification number: C09J133/04 ,  C08K3/013 ,  C08K3/26 ,  C08L33/00 ,  C09J7/21 ,  C09J7/38 ,  C09J7/385 ,  C09J11/04 ,  C09J2205/102 ,  C09J2400/263 ,  C09J2433/00 ,  Y10T428/31909

    Abstract: The invention relates to a hotmelt pressure sensitive adhesive (PSA), in particular an acrylic hotmelt PSA, featuring low shrinkback after extrusion coating, to a process for preparing it, and to its use for producing PSA tapes. The hotmelt pressure sensitive adhesive of the invention comprises at least one polyacrylate component and added filler comprising calcium carbonate, preferably taking the form of chalk. Said at least one polyacrylate component is based, with a mass fraction of at least 50% by weight, on at least one acrylic and/or methacrylic ester of the general formula (I) CH2nullCH(R1)(COOR2),nullnull(I) where R1nullH or CH3 and R2 is an unbranched, branched or cyclic alkyl radical having 1 to 22 carbon atoms and is substantially free from polar groups, especially carboxylic acid or hydroxyl groups.

    Abstract translation: 本发明涉及一种热熔粘合剂（PSA），特别是挤出涂布后具有低收缩性的丙烯酸热熔性PSA，其制备方法及其用于生产PSA带的用途。 本发明的热熔压敏粘合剂包括至少一种聚丙烯酸酯组分和包含碳酸钙的添加的填料，优选采用粉笔的形式。 所述至少一种聚丙烯酸酯组分以至少一种通式（I）的CH 2 = CH（R 1）（COOR 2），（I）的丙烯酸和/或甲基丙烯酸酯为基础，质量分数为至少50重量％ ）其中R1 = H或CH3，R2是具有1至22个碳原子的无支链，支链或环状烷基，并且基本上不含极性基团，特别是羧酸或羟基。

    Use of macromonomers to prepare acrylic PSAs
    7.
    发明申请
    Use of macromonomers to prepare acrylic PSAs 失效
    使用大分子单体制备丙烯酸PSA

    公开(公告)号：US20040010088A1

    公开(公告)日：2004-01-15

    申请号：US10430150

    申请日：2003-05-06

    Applicant: tesa Aktiengesellschaft

    Inventor： Marc Husemann ,  Stephan Zollner

    IPC: C08F002/00 ,  C08F118/02

    CPC classification number: C08F290/061 ,  C08F265/04 ,  C08F265/06 ,  C08F290/044 ,  C08F290/06 ,  C08L2666/02 ,  C09J151/003 ,  Y10S526/931

    Abstract: The use of macromonomers which have a glass transition temperature of at least 20null C., have at least one oligomeric and/or polymeric structural unit which is incompatible with polyacrylates, and have at least one polymerizable double bond in the form of a vinyl, acrylate and/or methacrylate unit as comonomers in the preparation of oriented polyacrylate pressure sensitive adhesives.

    Abstract translation: 具有玻璃化转变温度至少为20℃的大分子单体的使用具有至少一种与聚丙烯酸酯不相容的低聚物和/或聚合物结构单元，并且具有至少一种乙烯基形式的可聚合双键， 丙烯酸酯和/或甲基丙烯酸酯单元作为制备取向聚丙烯酸酯压敏粘合剂中的共聚单体。

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