Halogen-free acrylic urethane sheet material
    1.
    发明授权
    Halogen-free acrylic urethane sheet material 失效
    无卤素丙烯酸聚氨酯片材

    公开(公告)号:US5688573A

    公开(公告)日:1997-11-18

    申请号:US545543

    申请日:1995-10-19

    Abstract: A halogen-free acrylic urethane sheet material 10 is disclosed which can be marked by conventional printing methods and by radiation methods. The halogen-free acrylic urethane sheet material of the invention is manufactured from a polymer comprising components A, B and C wherein component A comprises a copolymer of (i) a monoester of acrylic or methacrylic acid and an aliphatic diol having 2 to 8 carbon atoms and (ii) an ester of acrylic or methacrylic acid and an aliphatic alcohol having 1 to 8 carbon atoms, and optionally a vinyl aromatic monomer as well as N-vinylpyrrolidone or N-vinylcaprolactame, said component A having a T.sub.g of 30.degree. C. to 100.degree. C., component B comprising an aliphatic polyester diol with a molecular weight less than 20,000 and component C comprising a polyfunctional isocyanate or blocked polyfunctional isocyanate.

    Abstract translation: 公开了一种无卤素的丙烯酸聚氨酯片材10,其可以通过常规印刷方法和辐射方法标记。 本发明的无卤丙烯酸聚氨酯片材由包含组分A,B和C的聚合物制成,其中组分A包含(i)丙烯酸或甲基丙烯酸的单酯和具有2至8个碳原子的脂族二醇的共聚物 和(ii)丙烯酸或甲基丙烯酸和具有1至8个碳原子的脂族醇的酯,以及任选的乙烯基芳族单体以及N-乙烯基吡咯烷酮或N-乙烯基己内酰胺,所述组分A的Tg为30℃。 组分B包含分子量小于20,000的脂族聚酯二醇,组分C包含多官能异氰酸酯或封端的多官能异氰酸酯。

    Radiation-curable, solvent-free and printable precursor of an adhesive
    2.
    发明申请
    Radiation-curable, solvent-free and printable precursor of an adhesive 审中-公开
    可辐射固化,无溶剂和可印刷的粘合剂前体

    公开(公告)号:US20050209360A1

    公开(公告)日:2005-09-22

    申请号:US10513123

    申请日:2003-05-28

    CPC classification number: C08F290/06 C08F290/067 C09J175/16

    Abstract: The present invention relates to a free-radically radiation-curable, solvent-free and printable precursor of an adhesive, the precursor comprising (i) 15-60 wt. % of one or more mono(meth)acrylate functional oligomer compounds at least one of said oligomer compounds comprising at least one urethane bond, (ii) 5-8 5 wt. % of one or more poly(meth)acrylate functional oligomer compounds, (iii) 5-45 wt. % of one or more monomer compounds comprising one ethylenically unsaturated group, (iv) 0-10 wt. % of one or more monomer compounds comprising two or more ethylenically unsaturated groups, and (v) an effective amount of one or more free radical photoinitiators, wherein the percentages which are percentages by weight with respect to the mass of the precursor, are selected so that the precursor has a dynamic viscosity at 20° C. and at a shear rate of 100 s−1 of between 300 to 15,000 mPa·s.

    Abstract translation: 本发明涉及可自由基辐射固化的无溶剂和可印刷的粘合剂前体,所述前体包括(i)15-60wt。 %的一种或多种单(甲基)丙烯酸酯官能低聚物化合物,至少一种所述低聚物化合物包含至少一个氨基甲酸酯键,(ii)5-8重量% %的一种或多种聚(甲基)丙烯酸酯官能低聚物化合物,(iii)5-45wt。 %的一种或多种单体化合物包含一个烯属不饱和基团,(iv)0-10wt。 %的一种或多种包含两个或更多个烯键式不饱和基团的单体化合物,和(v)有效量的一种或多种自由基光引发剂,其中相对于前体质量的重量百分比被选择为 该前体在20℃下的剪切速率为300至15,000mPa·s的剪切速率下具有动态粘度。

    Method for preparing a pressure-sensitive adhesive
    3.
    发明申请
    Method for preparing a pressure-sensitive adhesive 有权
    压敏粘合剂的制备方法

    公开(公告)号:US20050095370A1

    公开(公告)日:2005-05-05

    申请号:US10698201

    申请日:2003-10-31

    CPC classification number: C09J4/00 C08F220/00

    Abstract: The present invention relates to a method of preparing a pressure-sensitive adhesive comprising the steps of: (i) providing an essentially solvent-free mixture comprising one or more free radically polymerizable monomers having one ethylenically unsaturated group and at least one free-radical polymerization initiator, (ii) partially polymerizing said mixture to provide a partially polymerized mixture exhibiting a Brookfield viscosity of between 1,000 and 125,000 mPa·s at 20° C. and a degree of conversion of monomers to polymer of between 30-60 wt. % with respect to the initial mass of the monomers prior to polymerization, (iii) adding one or more free-radical radiation polymerization initiators to the partially polymerized mixture to provide a radiation-curable precursor, (iv) applying the radiation-curable precursor to a substrate, and (v) further polymerizing the radiation-curable precursor by subjecting it to actinic irradiation to provide said pressure-sensitive adhesive.

    Abstract translation: 本发明涉及一种制备压敏粘合剂的方法,包括以下步骤:(i)提供基本上无溶剂的混合物,其包含一种或多种具有一个烯键式不饱和基团的自由基可自由基单体和至少一种自由基聚合 引发剂,(ii)部分聚合所述混合物以提供部分聚合的混合物,其在20℃下的布氏粘度为1,000至125,000mPa.s,单体向聚合物的转化度为30-60wt。 (iii)将一种或多种自由基辐射聚合引发剂加入到部分聚合的混合物中以提供可辐射固化的前体,(iv)将可辐射固化的前体施加到 基材,和(v)通过使其辐射固化的前体进行光化辐射以提供所述压敏粘合剂来进一步聚合可辐射固化的前体。

    Radiation-curable, solvent-free and printable precursor of a pressure-sensitive adhesive
    4.
    发明申请
    Radiation-curable, solvent-free and printable precursor of a pressure-sensitive adhesive 有权
    可压敏粘合剂的可辐射固化,无溶剂和可印刷的前体

    公开(公告)号:US20050176842A1

    公开(公告)日:2005-08-11

    申请号:US10513125

    申请日:2003-05-01

    Abstract: The present invention relates to a free-radically radiation-curable, solvent-free and printable precursor of a pressure-sensitive adhesive, the precursor comprising: (i) 30-75 wt. % of one or more mono(meth)acrylate functional oligomer compounds at least one of said oligomer compounds comprising at least one urethane bond, (ii) 0-15 wt% of one or more poly(meth)acrylate functional oligomer compounds, (iii) 545 wt. % of one or more monomer compounds comprising one ethylenically unsaturated group, (iv) 0-5 wt. % of one or more monomer compounds comprising two or more ethylenically unsaturated groups, and (v) an effective amount of one or more free radical photoinitiators, wherein the percentages which are percentages by weight with respect to the mass of the precursor, are selected so that the precursor has a dynamic viscosity at 20° C. and at a shear rate of 100 s−1 of between 300 to 15,000 mPa.s.

    Abstract translation: 本发明涉及一种可自由基辐射固化的无溶剂和可印刷的压敏粘合剂前体,前体包括:(i)30-75wt。 %的一种或多种单(甲基)丙烯酸酯官能低聚物化合物,至少一种包含至少一个氨基甲酸酯键的所述低聚物化合物,(ii)0-15重量%的一种或多种聚(甲基)丙烯酸酯官能低聚物化合物,(iii )545重量% %的一种或多种单体化合物包含一个烯属不饱和基团,(iv)0-5wt。 %的一种或多种包含两个或更多个烯键式不饱和基团的单体化合物,和(v)有效量的一种或多种自由基光引发剂,其中相对于前体质量的重量百分比被选择为 该前体在20℃下的剪切速率为300至15,000mPa·s的剪切速率下具有动态粘度。

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