Bimodal cured intermixed polymeric networks which are stable at high
temperature
    3.
    发明授权
    Bimodal cured intermixed polymeric networks which are stable at high temperature 失效
    在高温下稳定的双峰固化混合聚合物网络

    公开(公告)号:US5331018A

    公开(公告)日:1994-07-19

    申请号:US935863

    申请日:1992-08-26

    CPC分类号: C08G77/442 C08F283/00

    摘要: The present invention is directed to a non-emissive, bimodal cured polymeric network which has an onset degradation temperature that is about 100.degree. C. above the onset degradation temperature of a base polymer. The novel cured polymeric network comprises the cured reaction product of the following ingredients: (a) combination of one or more liquid carrier monomers or prepolymers which combination is reactive to form a base polymer by exposure to ultraviolet (UV) radiation in the presence of a UV photosensitizer at a temperature, T.sub.uv ; and (b) between about 10 and 100 wt-% based on ingredient (a) of a combination of one or more monomers or prepolymers which combination is reactive to form a cured high temperature stable polymer by heating at a temperature, T.sub..DELTA.. Ingredient (b) is soluble or dispersible in ingredient (a) at a temperature, T.sub.s, wherein T.sub.s is equal to or lower than T.sub.uv, and T.sub.uv is at least about 50.degree. C. lower than T.sub..DELTA..

    摘要翻译: 本发明涉及一种非发射双峰固化的聚合物网络,其具有高于基础聚合物的起始降解温度约100℃的起始降解温度。 新型固化的聚合物网络包括以下成分的固化反应产物:(a)一种或多种液体载体单体或预聚物的组合,其组合是通过暴露于紫外线(UV)辐射在有 UV光敏剂在温度下,Tuv; 和(b)基于组分(a)的一种或多种单体或预聚物的组合的约10至100重量%,所述组合通过在温度T DELTA下加热而形成固化的高温稳定聚合物。 成分(b)在成分(a)中可溶或可分散于温度Ts,其中Ts等于或低于Tuv,Tuv比T DELTA低至少约50℃。

    Method and device for producing a graded index polymer
    4.
    发明授权
    Method and device for producing a graded index polymer 失效
    用于生产分级指数聚合物的方法和装置

    公开(公告)号:US5095079A

    公开(公告)日:1992-03-10

    申请号:US543373

    申请日:1990-06-26

    CPC分类号: C08F2/00 C08F263/00

    摘要: To produce a graded index polymer there is diffused into a base material formed of at least one partly polymerized monomer adapted to yield a homopolymer with refractive index N1 in the gel state an additive material formed of at least one monomer adapted to yield a homopolymer with refractive index N2 different from N1. The polymerization of the base material treated in this way is then completed. The additive material comprises a mixture of at least two monomers and the composition of this mixture is varied with time.

    摘要翻译: 为了产生渐变折射率聚合物,扩散到由至少一种部分聚合的单体形成的基材中,所述单体适于在凝胶状态下产生折射率为N1的均聚物,所述添加剂材料由至少一种适于产生具有折射率的均聚物的单体形成 指数N2不同于N1。 然后以这种方式处理的基材的聚合完成。 添加剂材料包含至少两种单体的混合物,并且该混合物的组成随时间变化。

    Water-dispersible polyolefin compositions useful as hot melt adhesives
    6.
    发明授权
    Water-dispersible polyolefin compositions useful as hot melt adhesives 失效
    可用作热熔粘合剂的水分散性聚烯烃组合物

    公开(公告)号:US3919176A

    公开(公告)日:1975-11-11

    申请号:US40265873

    申请日:1973-10-01

    申请人: EASTMAN KODAK CO

    CPC分类号: C08F8/00 C08F10/00

    摘要: This invention relates to water-dispersible polyolefin compositions. In particular, it relates to water-dispersible polyolefin compositions useful as hot melt adhesive compositions. These holt melt adhesives have improved repulping properties and are produced from low-cost materials and, in addition, are suitable for bonding a variety of materials. The improved repulpability of the hot melt adhesive is achieved by using an esterified carboxylated polyolefin in formulating the hot melt adhesives.

    摘要翻译: 本发明涉及水分散性聚烯烃组合物。 特别地,本发明涉及可用作热熔粘合剂组合物的水分散性聚烯烃组合物。 这些熔融熔融粘合剂具有改进的再浆化性能,并且由低成本材料制成,并且另外适用于粘结各种材料。 通过在配制热熔粘合剂中使用酯化的羧化聚烯烃来实现热熔粘合剂的改进的再利用性。