Method for producing polyacrylates
    1.
    发明授权
    Method for producing polyacrylates 有权
    生产聚丙烯酸酯的方法

    公开(公告)号:US06765078B2

    公开(公告)日:2004-07-20

    申请号:US10129942

    申请日:2002-05-10

    IPC分类号: C08F11802

    CPC分类号: C08F20/12

    摘要: A process for preparing polyacrylates, characterized in that the monomer mixture for preparing the polyacrylates is composed of at least 70% by weight of at least one acrylic monomer of the general formula where R1 is H or CH3 and R2 is H or an alkyl chain having 1-20 carbon atoms, the monomers are polymerized in the presence of at least one free-radical initiator by free-radical polymerization with at least one thioester as polymerization regulator, the average molecular weight of the polyacrylates is in the range from 250,000 g/mol to 1,000,000 g/mol, and the molecular weight distribution of the polyacrylates, Mw/Mn, is

    摘要翻译: 一种制备聚丙烯酸酯的方法,其特征在于用于制备聚丙烯酸酯的单体混合物由至少一种丙烯酸单体至少70重量%组成,其中R 1为H或CH 3且R 2为H或具有1- 20个碳原子,单体在至少一个自由基引发剂的存在下通过与至少一个硫酯作为聚合调节剂的自由基聚合而聚合,聚丙烯酸酯的平均分子量在250,000g / mol至 1,000,000g / mol,聚丙烯酸酯的分子量分布Mw / Mn <4。

    UV-transparent pressure sensitive adhesive
    3.
    发明授权
    UV-transparent pressure sensitive adhesive 失效
    紫外线透明压敏胶

    公开(公告)号:US07144928B2

    公开(公告)日:2006-12-05

    申请号:US10745305

    申请日:2003-12-22

    IPC分类号: C09J7/02 C09J133/08

    摘要: 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 CH2═CH(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 CH2═CH(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.

    摘要翻译: 一种UV透明压敏粘合剂,其包含(a)75重量%至99.8重量%的(a1)共聚物,其具有式CH 2 -CH(R SUB)的丙烯酸酯和/或甲基丙烯酸酯 (COOR 2),其中R 1是H或CH 3,R 2和/或< >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, SUB> 1是H或CH 3 N; (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。

    Oriented acrylic hotmelts
    7.
    发明授权
    Oriented acrylic hotmelts 有权
    定向压克力热熔胶

    公开(公告)号:US07022408B2

    公开(公告)日:2006-04-04

    申请号:US10312124

    申请日:2001-06-13

    IPC分类号: B32B27/30 B32B31/28 C08L33/08

    摘要: A pressure sensitive adhesive obtainable by free-radical polymerization, characterized in that at least 65% by weight of the adhesive is based on at least one acrylic monomer from the group of the compounds of the following general formula: where R1=H or CH3 and the radical R2=H or CH3 or is selected from the group consisting of branched or unbranched saturated alkyl groups having 2–20 carbon atoms, the average molecular weight of the adhesive is at least 65,000, applied to a carrier, the adhesive possesses a preferential direction, where the refractive index measured in the preferential direction nMD is greater than the refractive index measured in a direction perpendicular to the preferential direction nCD, the difference Δn=nMD−nCD being at least 1·10−5.

    摘要翻译: 通过自由基聚合可获得的压敏粘合剂,其特征在于至少65重量%的粘合剂是基于至少一种下列通式化合物的丙烯酸单体:其中R 1, H或CH 3,基团R 2 H = CH或CH 3,或选自支链或非支链的 具有2-20个碳原子的饱和烷基,粘合剂的平均分子量至少为65,000,施加到载体上,粘合剂具有优先方向,其中在优选方向上测量的折射率n < SUB>大于在垂直于优先方向的方向上测量的折射率,其差值Deltan = n 至少为1.10〜5。

    Thermally crosslinked acrylic hotmelts
    9.
    发明授权
    Thermally crosslinked acrylic hotmelts 失效
    热交联丙烯酸热熔胶

    公开(公告)号:US06875506B2

    公开(公告)日:2005-04-05

    申请号:US09778165

    申请日:2001-02-07

    摘要: Polyacrylates obtainable by thermal crosslinking of a polymer mixture comprising the following components: a) a polyacrylate copolymer of the following monomers a1) acrylates and/or methacrylates of the following formula CH2═CH(R1)(COOR2),  where R2═H or CH3 and R2 is an alkyl chain with 1-20 carbon atoms, at 65-99% by weight, based on a), a2) olefinically unsaturated monomers containing functional groups, at 0-15% by weight, based on a), a3) acrylates and/or methacrylates whose alcohol component contains tert-butoxycarbonyl (BOC) and/or hydroxyl groups, at 1-20% by weight, based on a), at 80-99.8% by weight, based on the polymer mixture, b) a polymerization regulating photoinitiator at 0.1-15% by weight, based on the polymer mixture, c) difunctional isocyanate and/or difunctional epoxide at 0.1-5% by weight, based on the polymer mixture.

    摘要翻译: 聚丙烯酸酯可通过包含以下组分的聚合物混合物的热交联获得:a)以下单体的聚丙烯酸酯共聚物a)下列化合物的丙烯酸酯和/或甲基丙烯酸酯:R 2 = H或CH 3,R 2是烷基链 基于a),a2)基于a),a2)基于a),a3)丙烯酸酯和/或甲基丙烯酸酯的0-15重量%的含有官能团的烯属不饱和单体,其具有1-20个碳原子,为65-99重量% 醇组分含有基于a)的1-20重量%的叔丁氧羰基(BOC)和/或羟基,基于聚合物混合物的80-99.8重量%,b)聚合调节光引发剂在0.1 -15%(重量),基于聚合物混合物,c)基于聚合物混合物,0.1-5重量%的双官能异氰酸酯和/或双官能环氧化物。

    Pressure sensitively adhesive polyacrylates
    10.
    发明授权
    Pressure sensitively adhesive polyacrylates 有权
    压敏胶粘聚丙烯酸酯

    公开(公告)号:US06831114B2

    公开(公告)日:2004-12-14

    申请号:US10170176

    申请日:2002-06-12

    IPC分类号: C08F246

    摘要: Process for preparing UV crosslinkable acrylic pressure sensitive adhesives, which comprises reacting polyacrylates in the melt with UV-photoactive substances in a hotmelt process in a polymer-analogous reaction, the UV-photoactive substances being able to absorb radiation energy and transfer it to a reaction system.

    摘要翻译: 制备UV可交联丙烯酸压敏粘合剂的方法,其包括在聚合物 - 类似反应中的热熔方法中将熔体中的聚丙烯酸酯与UV-光活性物质反应,UV-光活性物质能够吸收辐射能并将其转移到反应 系统。