Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...
Patent
1992-11-18
1994-05-10
Sellers, Robert E.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Mixing of two or more solid polymers; mixing of solid...
525486, 525525, 525526, 525529, 525530, C08L 6302, C08L 6304, C08L 7908
Patent
active
053108302
ABSTRACT:
Disclosed is a heat-resistant resin composition prepared by mixing a resin composition (A) and polyamine (B), followed by heating the mixture for the hardening, said composition (A) being prepared by heating a mixture of (a) polymaleimide resin represented by a general formula: ##STR1## where R.sub.1 is an organic group having a valency of n, Xa and Xb are the same or different monovalent atoms or groups selected from the group consisting of hydrogen atom, halogen atom and organic group, and n is an integer of 1 to 4, (b) an epoxy resin having at least two epoxy groups in the molecule, and (c) a compound having one alcoholic or phenolic OH group and at least one epoxy group in the molecule.
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Okitsu Toshinao
Sato Shin'ichi
Konishi Co. Ltd.
Sellers Robert E.
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