Novel copolyamideimides

Details Novel copolyamideimides Novel copolyamideimides

1977-01-21

1978-09-19

Lee, Lester L.

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

Synthetic resins

From reactant having at least one -n=c=x group as well as...

260 302, 260 306R, 260 308R, 260 308DS, 260 324, 260 326N, 260 334P, 260857R, 428458, 428474, 528 51, 528 55, 528 84, C08G 7314

Patent

active

041153723

ABSTRACT:
Novel solvent soluble and injection moldable copolyamideimides are disclosed that are characterized in that from about 30 percent to about 70 percent of the recurring units are ##STR1## and in the remaining 30-70 percent of the recurring units are ##STR2## wherein C.sub.n H.sub.2n represents alkylene from 7 to 12 carbon atoms, inclusive, and Ar is ##STR3## where X = --SO.sub.2 --, --CO--, --O--, or alkylene (C.sub.1-4). The copolyamideimides are further characterized by ease of melt processing such as by extruding or injection molding while at the same time prossessing good high temperature stability and unexpectedly high impact and tensile yield strengths.

REFERENCES:
patent: 3714131 (1973-01-01), Hoback et al.
patent: 3778411 (1973-12-01), Emerick et al.
patent: 3817926 (1974-06-01), Pauze et al.

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