Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...
Patent
1994-02-28
1995-08-01
Seidleck, James J.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Mixing of two or more solid polymers; mixing of solid...
525433, 525434, 525432, 525425, 525184, 525183, C08L 7908
Patent
active
054381053
ABSTRACT:
A polyamic acid composite comprising i) a polyamic acid having three dimensional network molecular structure obtained by a ring-opening polyaddition reaction of a tetracarboxylic acid dianhydride with an aromatic diamine and a tri- or tetramino compound and ii) (a) a high polymer component having a different molecular structure from the polyamic acid, which is dispersed in the three dimensional network molecular structure of the polyamic acid and of which molecular chains are interpenetrated with molecular chains of the polyamic acid or (b) a curable resin composition which is dispersed in the three dimensional network molecular structure of the polyamic acid and which is capable of forming a cured resin of which molecular chains are interpenetrated with molecular chains of the polyamic acid, and a polyimide composite obtained from the polyamic acid composite, and process for production thereof.
REFERENCES:
CA 44495f (72)(10).
CA 6438w (77)(2).
CA 44352g (72)(10).
CA 136764v (78)(22).
Seidleck James J.
Toho Rayon Co. Ltd.
Zemel I.
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