Polyurethane dispersion in alcohol-water system
    2.
    发明授权
    Polyurethane dispersion in alcohol-water system 失效
    酒精 - 水体系中的聚氨酯分散体

    公开(公告)号:US06433073B1

    公开(公告)日:2002-08-13

    申请号:US09626028

    申请日:2000-07-27

    IPC分类号: C08J303

    摘要: A polyurethane dispersion and a method of making are provided. The polyurethane dispersion is stable in a mixture of alcohol and water. The dispersion comprises the reaction product of (a) an isocyanate terminated polyurethane prepolymer comprising the reaction product of (i) at least one oligomeric polyactive hydrogen compound insoluble in said alcohol, wherein said polyactive hydrogen compound is an alkyl, aryl, or aralkyl structure optionally substituted by N, O, and S; (ii) at least one polyisocyanate, and (iii) at least one polyactive hydrogen compound soluble in said mixture of alcohol and water; (b) a polyfunctional chain extender; and (c) a monofunctional chain terminator; wherein the equivalent ratio of difunctional chain extender to prepolymer isocyanate is 0.60 to 1.20.

    摘要翻译: 提供聚氨酯分散体和制造方法。 聚氨酯分散体在醇和水的混合物中是稳定的。 分散体包含(a)异氰酸酯封端的聚氨酯预聚物的反应产物,其包含(i)至少一种不溶于所述醇的低聚物多官能氢化合物的反应产物,其中所述多官能氢化合物是任选的烷基,芳基或芳烷基结构 被N,O和S取代; (ii)至少一种多异氰酸酯,和(iii)至少一种可溶于所述醇和水的混合物的多官能氢化合物; (b)多官能增链剂; 和(c)单官能链终止剂; 其中双官能扩链剂与预聚物异氰酸酯的当量比为0.60〜1.20。

    Clear adhesive sheet
    6.
    发明授权
    Clear adhesive sheet 失效
    清除粘合片

    公开(公告)号:US06472065B1

    公开(公告)日:2002-10-29

    申请号:US09615389

    申请日:2000-07-13

    IPC分类号: B32B712

    摘要: A radiation detackifiable adhesive composition comprising a (meth)acrylate copolymer including from about 85 wt. % to about 97.5 wt. % of a (meth)acrylate ester and from about 2.5 wt. % to about 15 wt. % of a copolymerizable carboxylate monomer and a multi-functional urethane acrylate oligomer combined with the (meth)acrylate copolymer to provide from about 25 parts to about 40 parts of the oligomer per 100 parts of the copolymer. The adhesive composition becomes progressively detackified during exposure to ultraviolet radiation. The present invention further provides a clear adhesive coated sheet for supporting a silicon wafer during manufacture of semiconductor microchips. The coated sheet comprises a transparent film substrate coated with a radiation detackifiable adhesive composition.

    摘要翻译: 包含(甲基)丙烯酸酯共聚物的辐射可防止粘合剂组合物,其包含约85wt。 %至约97.5wt。 %的(甲基)丙烯酸酯和约2.5wt。 %至约15wt。 %的可共聚的羧酸酯单体和与(甲基)丙烯酸酯共聚物组合的多官能氨基甲酸酯丙烯酸酯低聚物,每100份共聚物提供约25份至约40份的低聚物。 粘合剂组合物在暴露于紫外线辐射期间逐渐脱粘。本发明还提供了一种用于在半导体芯片制造期间支撑硅晶片的透明粘合剂涂布片。 涂覆的片材包括涂覆有辐射可防止粘合剂组合物的透明膜基材。

    Method of manufacturing a diagnostic electrode
    9.
    发明授权
    Method of manufacturing a diagnostic electrode 失效
    诊断电极的制造方法

    公开(公告)号:US5702753A

    公开(公告)日:1997-12-30

    申请号:US343253

    申请日:1994-11-22

    IPC分类号: A61B5/0408 B05D3/00

    CPC分类号: A61B5/0408

    摘要: A method of making and using diagnostic electrodes is disclosed. The method of making involves the coating of both conductive adhesive and biocompatible pressure sensitive adhesive on to a flexible non-conductive backing material on a side that has at least a portion thereof covered with an electrically conductive surface. The method of coating the electrodes is very cost efficient and economical. The use of the electrode enjoys the advantage of controlled coating thicknesses such that both types of adhesive in their final thicknesses have contact with skin of a patient.

    摘要翻译: 公开了一种制造和使用诊断电极的方法。 制造方法包括将导电粘合剂和生物相容性压敏粘合剂涂覆在至少一部分被导电表面覆盖的一侧上的柔性非导电背衬材料上。 涂覆电极的方法是非常经济有效且经济的。 使用电极具有受控涂层厚度的优点,使得两种类型的粘合剂在其最终厚度中都与患者的皮肤接触。