Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...
Patent
1986-05-12
1988-03-29
Schofer, Joseph L.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Mixing of two or more solid polymers; mixing of solid...
525531, 526266, C08F28300, C08F28310, C08F22400
Patent
active
047344695
ABSTRACT:
A curable copolymer is provided wherein an unsaturated epoxy resin is prepared by reacting epoxy resin and acrylic and/or methacrylic acid, said unsaturated epoxy resin containing both a epoxy group and acryloyl and/or methacryloyl groups, with which a vinyl monomer is reacted in the presence of a radical catalyst to form an epoxy resin side chain. The resultant resin is finally reacted with acrylic and/or methacrylic acid to react with the remaining epoxy resin thereby resulting in terminal acryloyl and/or methacryloyl groups. This resin can be used as coating paint or molding resin or for a variety of other uses.
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patent: 3663484 (1972-05-01), Broecker et al.
patent: 3819567 (1974-06-01), Swanson et al.
patent: 4111770 (1978-09-01), Najvar
patent: 4209604 (1980-06-01), Werber
patent: 4446258 (1984-05-01), Chu et al.
patent: 4698841 (1978-07-01), Nagata et al.
Morita Katsuhisa
Takiyama Eiichiro
Kulkosky Peter F.
Schofer Joseph L.
Showa Highpower Co. Ltd.
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