Power coating of epoxy resin mixture and polyvinyl butyral or formal
resin
    1.
    发明授权
    Power coating of epoxy resin mixture and polyvinyl butyral or formal resin 失效
    环氧树脂混合物和聚乙烯醇缩丁醛或甲醛树脂的功率涂层

    公开(公告)号:US5143950A

    公开(公告)日:1992-09-01

    申请号:US600288

    申请日:1990-10-18

    摘要: An epoxy resin powder coating composition comprises 100 parts by weight of bisphenol A mixed epoxy resin having number average molecular weight from 1,700 to 4,500 comprising a bisphenol A epoxy resin (A) having a number average molecular weight from 2,500 to 8,000 and a bisphenol A epoxy resin (B) having a number average molecular weight from 300 to 1,000 (C) a novolak epoxy resin 5 to 20 parts by weight of polyvinyl butyral resin or polyviny formal resin, a hardener, and a filler.

    摘要翻译: 环氧树脂粉末涂料组合物包含100重量份数均分子量为1,700至4500的双酚A混合环氧树脂,其包含数均分子量为2,500-8,000的双酚A环氧树脂(A)和双酚A环氧树脂 数均分子量为300〜1000(C)的酚醛清漆型环氧树脂(B)5〜20重量份的聚乙烯醇缩丁醛树脂或聚乙烯缩甲醛树脂,固化剂和填料。

    Powder composition of epoxy resin, high melting acid anhydride and
calcium silicate
    2.
    发明授权
    Powder composition of epoxy resin, high melting acid anhydride and calcium silicate 失效
    粉末组成的环氧树脂,高熔点酸酐和硅酸钙

    公开(公告)号:US5455290A

    公开(公告)日:1995-10-03

    申请号:US240040

    申请日:1994-05-09

    CPC分类号: C08K3/34 C08K5/092

    摘要: A thermosetting epoxy resin based powder composition composed of an epoxy resin, a high-melting point polycarboxylic acid anhydride and calcium silicate as a filler, the high-melting point polycarboxylic acid anhydride comprising fine particles of 5 to 149 .mu.m in average size that have reacted with the epoxy resin in the molten state on their surfaces.

    摘要翻译: 由环氧树脂,高熔点多元羧酸酐和硅酸钙作为填料组成的热固性环氧树脂基粉末组合物,所述高熔点多元羧酸酐包含平均粒度为5〜149μm的微粒,其具有 在其表面上与熔融状态的环氧树脂反应。

    Epoxy resin powder coating composition
    3.
    发明授权
    Epoxy resin powder coating composition 失效
    环氧树脂粉末涂料组合物

    公开(公告)号:US4933382A

    公开(公告)日:1990-06-12

    申请号:US412616

    申请日:1989-09-26

    IPC分类号: C08G59/22 C09D5/46 C09D163/02

    摘要: An epoxy resin powder coating composition which comprises:(A) an epoxy resin comprising mainly of a bisphenol A epoxy resin mixture of (a) a bisphenol A epoxy resin having a number average molecular weight of from 2,500 to 8,000 and (b) a bisphenol A epoxy resin having a number average molecular weight of from 350 to 1,700, said mixture having a number average molecular weight of from 1,700 to 4,500;(B) rubber powder in an amount of 2 to 30 parts by weight per 100 parts by weight of said epoxy resin (A);(C) at least one hardener; and(D) a filler.The coating composition is particularly useful for the insulation of slots for motor rotors, exhibiting excellent thermal resistance, adhesiveness, impact resistance and coverage.

    摘要翻译: 一种环氧树脂粉末涂料组合物,其包含:(A)主要包含(a)数均分子量为2,500-8,000的双酚A环氧树脂和(b)双酚A的双酚A环氧树脂混合物的环氧树脂, 数均分子量为350〜1700的环氧树脂,所述混合物的数均分子量为1700〜4500; (B)每100重量份所述环氧树脂(A)2至30重量份的橡胶粉末; (C)至少一种硬化剂; 和(D)填料。 涂料组合物特别适用于电动机转子槽的绝缘,具有优异的耐热性,粘合性,耐冲击性和覆盖性。

    Epoxy resin powder coating composition with excellent adhesibility
    4.
    发明授权
    Epoxy resin powder coating composition with excellent adhesibility 失效
    环氧树脂粉末涂料组合物具有优良的粘合性

    公开(公告)号:US4923910A

    公开(公告)日:1990-05-08

    申请号:US396732

    申请日:1989-08-18

    摘要: An epoxy resin powder coating composition with excellent adhesibility which comprises a bisphenol A type mixed epoxy resin having a number average molecular weight of from 800 to 2,000 comprising a mixture of a bisphenol A type epoxy resin having an average molecular weight of from 350 to 1,000 and a bisphenol A type epoxy resin having a number average molecular weight of from 2,500 to 8,000, an imidazole base compound, dicyandiamide, a pre-reacted product of an imidazole base compound with epoxy resin, and a filler.

    摘要翻译: 具有优异粘合性的环氧树脂粉末涂料组合物,其包含数均分子量为800至2,000的双酚A型混合环氧树脂,其包含平均分子量为350至1,000的双酚A型环氧树脂和 数均分子量为2500〜8000的双酚A型环氧树脂,咪唑基化合物,双氰胺,咪唑基化合物与环氧树脂的预反应产物和填料。

    Epoxy resin powder coating containing imidazole trimellitates
    5.
    发明授权
    Epoxy resin powder coating containing imidazole trimellitates 失效
    环氧树脂粉末涂料含咪唑偏苯三酸酯

    公开(公告)号:US5153239A

    公开(公告)日:1992-10-06

    申请号:US764101

    申请日:1991-09-05

    摘要: An epoxy resin powder coating composition having excellent thermal resistance, mechanical strength, hardening speed and storage stability which comprises an epoxy resin mixture comprising a bisphenol type epoxy resin and a polyfunctional epoxy resin having at least three epoxy groups in the molecule; a hardener comprising a mixture of dicyandiamide and a compound represented by formula (I) below, and a filler: ##STR1## wherein, R.sup.1 represents an alkyl group or an aryl group, and preferably represents a phenyl group from the view of storage stability; and R.sup.2 represents a cyanoethyl group, a vinyl group, or a phenyl group.The powder coating composition is suitably used in fixing stator coils or armature coils in motors or generators.

    摘要翻译: 一种具有优异的耐热性,机械强度,硬化速度和储存稳定性的环氧树脂粉末涂料组合物,其包含在分子中具有至少三个环氧基的双酚型环氧树脂和多官能环氧树脂的环氧树脂混合物; 包含双氰胺和由下式(I)表示的化合物的混合物的硬化剂和填料:其中,R 1表示烷基或芳基,并且优选代表苯基, 储存稳定性; R2表示氰基乙基,乙烯基或苯基。 粉末涂料组合物适用于将电动机或发电机中的定子线圈或电枢线圈固定。

    Epoxy resin based powder coating composition
    6.
    发明授权
    Epoxy resin based powder coating composition 失效
    环氧树脂粉末涂料组合物

    公开(公告)号:US4966928A

    公开(公告)日:1990-10-30

    申请号:US232989

    申请日:1988-08-17

    IPC分类号: C09D5/03 C08G59/42 C09D163/00

    CPC分类号: C08G59/4215 C09D163/00

    摘要: An epoxy resin based powder coating composition is disclosed, comprising an epoxy resin, a reaction product of dicyclopentadiene and maleic anhydride, and a cure accelerator.The coating composition may further comprise an aromatic acid anhydride based curing agent, an impact modifier and a surface smoothing agent.The coating composition has stable powder characteristic and provides good heat resistance and electrical insulation.

    摘要翻译: 公开了一种环氧树脂基粉末涂料组合物,其包含环氧树脂,二环戊二烯与马来酸酐的反应产物和固化促进剂。 涂料组合物可以进一步包括基于芳族酸酐的固化剂,抗冲改性剂和表面平滑剂。 涂料组合物具有稳定的粉末特性,提供良好的耐热性和电绝缘性。