Radiation-curable silicone elastomers and pressure sensitive adhesives
    31.
    发明授权
    Radiation-curable silicone elastomers and pressure sensitive adhesives 失效
    可辐射固化的硅氧烷弹性体和压敏粘合剂

    公开(公告)号:US5091483A

    公开(公告)日:1992-02-25

    申请号:US671172

    申请日:1991-03-15

    摘要: A composition which is curable to an elastomer comprising:A polymer or mixture of polymers of the formula ##STR1## wherein: X are monovalent moieties having ethylenic unsaturation which can be the same or different;Y are divalent linking groups which can be the same or different;m is an integer of 0 to 1;D are monovalent moieties which can be the same or different selected from the group consisting of hydrogen, an alkyl group of 1 to about 10 carbon atoms, aryl, and substituted aryl;R are divalent hydrocarbon groups which can be the same or different;R.sup.1 are monovalent moieties which can be the same or different selected from the group consisting of alkyl, substituted alkyl, aryl, and substituted aryl;R.sup.2 are monovalent moieties which can be the same or different selected from the group consisting of alkyl, substituted alkyl, aryl, and substituted aryl;R.sup.3 are monovalent moieties which can be the same or different selected from the group consisting of alkyl, substituted alkyl, vinyl, aryl, and substituted aryl;R.sup.4 are monovalent moieties which can be the same or different selected from the group consisting of alkyl, substituted alkyl, vinyl, aryl, and substituted aryl; andn is an integer of about 270 to about 1000.A composition which is curable to a pressure sensitive adhesive comprising the above polymer and a sufficient amount of tackifier. Thhe invention also relates to fluorosilane compounds useful in the preparation of silicone macromonomer, their preparation and the preparation of silicone macromonomer.

    摘要翻译: 可固化成弹性体的组合物,其包含:下式的聚合物或聚合物的混合物,其中:X是具有烯属不饱和度的单价部分,其可以相同或不同; Y是可以相同或不同的二价连接基团; m为0〜1的整数; D是可以相同或不同的一价部分,其选自氢,1至约10个碳原子的烷基,芳基和取代的芳基; R是可以相同或不同的二价烃基; R1是可以相同或不同的一价部分,其选自烷基,取代的烷基,芳基和取代的芳基; R2是可以相同或不同的一种选自烷基,取代的烷基,芳基和取代的芳基的一价部分; R3是可以相同或不同的一种选自烷基,取代的烷基,乙烯基,芳基和取代的芳基的一价部分; R4是可以相同或不同的一种选自烷基,取代的烷基,乙烯基,芳基和取代的芳基的一价部分; 并且n是约270至约1000的整数。可包含上述聚合物和足够量的增粘剂的压敏粘合剂可固化的组合物。 本发明还涉及可用于制备硅氧烷大分子单体的氟硅烷化合物,它们的制备和硅氧烷大分子单体的制备。

    Radiation-curable acrylate/silicone pressure-sensitive adhesive coated
tapes adherable to paint coated substrates
    37.
    发明授权
    Radiation-curable acrylate/silicone pressure-sensitive adhesive coated tapes adherable to paint coated substrates 失效
    可涂覆涂料的可辐射固化的丙烯酸酯/硅氧烷压敏粘合剂涂层胶带

    公开(公告)号:US5907018A

    公开(公告)日:1999-05-25

    申请号:US155476

    申请日:1993-11-19

    摘要: The present invention provides an acrylate/silicone pressure-sensitive adhesive tape having improved adhesion to painted surfaces and low temperature performance. The pressure-sensitive adhesive tape comprises:(a) a pressure-sensitive adhesive layer comprising a polymerized pressure sensitive adhesive composition wherein said pressure sensitive adhesive composition comprises:(I) about 25 to about 99 weight percent of polymer of the formula ##STR1## wherein: X, Y, D, R, R.sup.1, R.sup.2, R.sup.3, R.sup.4, and n are defined in the specification;(II) about 1 to about 75 weight percent free radically polymerizable vinyl monomer which is capable of copolymerizing with the polymer wherein said free radically polymerizable monomer comprises:(i) about 5 to about 100 parts by weight of an acidic monomer selected from the group consisting of methacrylic acid, acrylic acid, and mixtures thereof;(ii) about 0 to about 95 parts by weight of an acrylate monomer selected from the group consisting of esters of acrylic acid comprising 4 to 21 carbon atoms and esters of methacrylic acid comprising 5 to 21 carbon atoms and mixtures thereof; based upon 100 parts total by weight of said free radically polymerizable monomer; wherein the weight percentages set forth in elements,(I) and (II) are based upon the total weight of the polymer of element (I) plus the monomer of element (II); and(III) a sufficient amount of a silicate MQ tackifying resin to impart a degree of adhesive tack to the cured composition at the use temperature; and(b) a foam layer which is coated on at least one side with the adhesive layer.The present invention also provides the pressure sensitive adhesive composition and pressure sensitive adhesive.

    摘要翻译: 本发明提供了具有改进的涂漆表面粘附性和低温性能的丙烯酸酯/硅氧烷压敏粘合带。 压敏粘合带包括:(a)包含聚合压敏粘合剂组合物的压敏粘合剂层,其中所述压敏粘合剂组合物包含:(I)约25至约99重量%的下式聚合物其中:X 在说明书中定义了Y,D,R,R1,R2,R3,R4和n。 (II)约1至约75重量%的可自由基聚合的可自由基聚合的乙烯基单体,其能够与聚合物共聚,其中所述可自由基聚合的单体包含:(i)约5至约100重量份的选自 由甲基丙烯酸,丙烯酸及其混合物组成; (ii)约0至约95重量份的选自包含4至21个碳原子的丙烯酸的酯和包含5至21个碳原子的甲基丙烯酸的酯的丙烯酸酯单体及其混合物; 基于100份重量的所述可自由基聚合单体; 其中元素(I)和(II)中列出的重量百分比是基于元素(I)的聚合物与元素(II)的单体的总重量; 和(III)足量的硅酸酯MQ增粘树脂,以在使用温度下赋予固化组合物一定程度的粘合粘合性; 和(b)在至少一侧用粘合剂层涂覆的泡沫层。 本发明还提供了压敏粘合剂组合物和压敏粘合剂。

    Radiation-curable acrylate/silicone pressure-sensitive adhesive
compositions
    40.
    发明授权
    Radiation-curable acrylate/silicone pressure-sensitive adhesive compositions 失效
    可辐射固化的丙烯酸酯/硅氧烷压敏粘合剂组合物

    公开(公告)号:US5514730A

    公开(公告)日:1996-05-07

    申请号:US279718

    申请日:1994-07-25

    摘要: The present invention provides a radiation curable vinyl-silicone pressure-sensitive adhesive composition which combines the advantages of silicone and acrylate pressure-sensitive adhesives and which does not experience gross phase separation problems. The composition comprises at least about 20 weight percent of a certain telechelic silicone polymer, about 0.5 to about 80 weight percent of monofunctional free-radically polymerizable vinyl monomer copolymerizable with the silicone polymer, and a sufficient amount of a silicate MQ tackifying resin to impart a degree of adhesive tack to the cured composition at the use temperature, wherein the weight percentages of the silicone polymer and the monomer are based upon the total weight of the silicone polymer and monomer.

    摘要翻译: 本发明提供了可聚合有机硅和丙烯酸酯压敏粘合剂的优点并且不经历总相分离问题的可辐射固化的乙烯基 - 硅氧烷压敏粘合剂组合物。 组合物包含至少约20重量%的某些遥爪硅氧烷聚合物,约0.5至约80重量%的可与硅氧烷聚合物共聚的单官能可自由基聚合的乙烯基单体,以及足够量的硅酸盐MQ增粘树脂,以赋予 在使用温度下对固化的组合物的粘合程度,其中硅氧烷聚合物和单体的重量百分比是基于有机硅聚合物和单体的总重量。