Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...
Patent
1983-10-27
1984-10-16
Pertilla, Theodore E.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Mixing of two or more solid polymers; mixing of solid...
525 70, 525146, 525147, 525148, C08L 6900
Patent
active
044776276
ABSTRACT:
The impact strength of unsubstituted aromatic polycarbonate resins is improved by inclusion of certain gel materials with the resin before molding. The gel additive can be derived from a rubber modified alkenyl aromatic resin, is in the form of rubbery particles comprised of rubber, rubber grafted alkenyl aromatic resin and occluded alkenyl aromatic resin, and is substantially free of all but trace amounts of soluble alkenyl aromatic homopolymer.
REFERENCES:
patent: 4101504 (1978-07-01), Cooper et al.
patent: 4172103 (1979-10-01), Serini et al.
Cooper, deceased Glenn D.
Haaf William R.
Lee, Jr. Gim F.
Barancik Martin B.
General Electric Company
Pertilla Theodore E.
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