Process for producing modified epoxy resin, modified epoxy resin
produced, and epoxy resin composition thereof
    1.
    发明授权
    Process for producing modified epoxy resin, modified epoxy resin produced, and epoxy resin composition thereof 失效
    生产改性环氧树脂,改性环氧树脂的方法及其环氧树脂组合物

    公开(公告)号:US5910548A

    公开(公告)日:1999-06-08

    申请号:US898021

    申请日:1997-07-22

    摘要: The process for producing a modified epoxy resin comprises reacting (a) an epoxy resin having at least two epoxy groups per one molecule, and (b) a specific active ester group-containing compound having at least two aromatic ring-bonded active ester groups per one molecule, in proportions such that the amount of the active ester groups in the active ester group-containing compound is from about 0.05 to about 0.95 mol per mole of the epoxy group in the epoxy resin, and the modified epoxy obtained by this process, and a composition of the epoxy resin and a curing agent are encompassed.

    摘要翻译: 制备改性环氧树脂的方法包括:(a)每分子具有至少两个环氧基的环氧树脂和(b)每个具有至少两个芳香环键合的活性酯基的特定活性酯基化合物 一个分子,其比例使得含活性酯基化合物中的活性酯基的量为环氧树脂中每摩尔环氧基约0.05至约0.95mol,以及通过该方法获得的改性环氧树脂, 并且包括环氧树脂和固化剂的组合物。

    Epoxy resin composition containing novolac with adjacent hydroxyl groups
    5.
    发明授权
    Epoxy resin composition containing novolac with adjacent hydroxyl groups 失效
    含有相邻羟基的酚醛清漆的环氧树脂组合物

    公开(公告)号:US5597876A

    公开(公告)日:1997-01-28

    申请号:US625839

    申请日:1996-04-01

    摘要: An epoxy resin composition is provided comprising a biphenol-type epoxy resin and a polyhydric phenol resin curing agent derived from a polyhydric phenol compound having 2 or more phenolic hydroxyl groups attached at adjacent positions on the aromatic ring. A cured product with excellent stability and strength at high temperatures can be obtained useful as adhesives, castings, sealing materials, moldings, and laminates.

    摘要翻译: 提供一种环氧树脂组合物,其包含双酚型环氧树脂和衍生自在芳环上的相邻位置处具有2个或更多个酚羟基的多元酚化合物的多元酚树脂固化剂。 可以获得在高温下具有优异稳定性和强度的固化产物,作为粘合剂,铸件,密封材料,模制品和层压材料。

    Epoxy resin electrical encapsulation composition
    9.
    发明授权
    Epoxy resin electrical encapsulation composition 失效
    环氧树脂电气封装组合物

    公开(公告)号:US5185388A

    公开(公告)日:1993-02-09

    申请号:US884247

    申请日:1992-05-11

    摘要: An electrical encapsulation composition is disclosed comprising (a) an epoxy resin which is the product of glycidating a polyphenolic compound which is the condensation product of (i) a substituted phenol which can be represented by the formula ##STR1## in which each R is selected independently from hydrogen, C.sub.1-5 alkyl and phenyl, with the provisos that at least two R groups are not hydrogen and that the R groups may be bonded in a ring structure, and (ii) an aromatic aldehyde or aromatic ketone having a phenolic hydroxyl group as represented by the general formula ##STR2## in which R' is selected from hydrogen, C.sub.1-5 alkyl and phenyl, R" is selected from C.sub.1-5 alkyl, phenyl, methoxy and halogen, and n is an integer from 0 to 4; (b) a curing agent for the epoxy resin; and (c) an inorganic filler.

    摘要翻译: 公开了一种电气封装组合物,其包含(a)环氧树脂,其是将多酚化合物缩水化产物的产物,所述多酚化合物是(i)可以由其中每个R选择的式“IMAGE”表示的取代苯酚的缩合产物 独立于氢,C 1-5烷基和苯基,条件是至少两个R基团不是氢并且R基团可以键合在环结构中,和(ii)具有酚羟基的芳族醛或芳族酮 其中R'选自氢,C 1-5烷基和苯基,R“选自C 1-5烷基,苯基,甲氧基和卤素,n是0的整数。 到4; (b)环氧树脂的固化剂; 和(c)无机填料。

    Modified liquid epoxy resin composition
    10.
    发明授权
    Modified liquid epoxy resin composition 失效
    改性液体环氧树脂组合物

    公开(公告)号:US5623031A

    公开(公告)日:1997-04-22

    申请号:US585380

    申请日:1996-01-11

    摘要: A modified liquid epoxy resin composition is provided by reacting a crystalline epoxy resin, from about 3 to about 20 parts by weight, based on the epoxy resin, of a compound having two or more phenolic hydroxyl groups and/or carboxyl groups in one molecule and from about 3 to about 20 parts by weight of a compound having one phenolic hydroxyl group or carboxyl group in one molecule. The crystalline epoxy resin is preferably selected from various glycidylethers of biphenol compounds. The modified liquid epoxy resin composition has a low viscosity and good liquid stability at low temperatures, resulting in cured resins having excellent heat resistance and water resistance.

    摘要翻译: 一种改性液体环氧树脂组合物是通过在一个分子中使基于环氧树脂的约3至约20重量份的结晶环氧树脂与在一个分子中具有两个或多个酚羟基和/或羧基的化合物反应, 约3至约20重量份在一个分子中具有一个酚羟基或羧基的化合物。 结晶环氧树脂优选选自联苯酚化合物的各种缩水甘油醚。 改性液体环氧树脂组合物在低温下具有低粘度和良好的液体稳定性,导致具有优异的耐热性和耐水性的固化树脂。