Moulding compositions comprised of semirigid, fatty acid copolya

Details Moulding compositions comprised of semirigid, fatty acid copolya Moulding compositions comprised of semirigid, fatty acid copolya

1987-06-08

1990-12-11

Carrillo, Ana L.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

525179, 525183, 525184, 5254205, 525424, 525425, 525431, 525432, C08L 7700, C08L 7504, C08L 8304

Patent

active

049772139

ABSTRACT:
Polyamide-based molding compositions having enhanced flexibility and resilience, especially at low temperatures, are prepared from (1) semirigid copolyamides prepared from fatty acid dimers, (2) elastomers containing moieties compatible or reactive with such copolyamides (1) and comprising olefinic copolymers bearing carboxyl and/or carboxylate groups, copolyester-amides, polyurethanes, organopolysiloxane and polyurethane block copolymers, and copolymers produced from a latex which comprises suitable functional groups, and, optionally, (3) conventional polyamides.

REFERENCES:
patent: 4132690 (1979-01-01), Eernstmann
patent: 4299744 (1981-11-01), Stewart
patent: 4452974 (1984-06-01), Goletto et al.

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