Process for preparing moldable polyamide polyester compositions

Details Process for preparing moldable polyamide polyester compositions Process for preparing moldable polyamide polyester compositions

1977-06-20

1979-03-20

Lieberman, Paul

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260857UN, C08L 7700

Patent

active

041453727

ABSTRACT:
A polyester
ylon co-condensate which may be made from the two polymers in an extruder. The co-condensate comprises from 50 to 99% by weight of polyamide having a softening point of from 210.degree. C. to 270.degree. C. and a number average molecular weight in the range 10,000 to 30,000 and from 50% to 1% by weight of a polyester which is selected from saturated and unsaturated polyesters and which has an acid value of from 30 to 90 and a number average molecular weight less than 10,000. The co-condensate can also contain an acrylic homo- or co-polymer as a third component.

REFERENCES:
patent: 3274289 (1966-09-01), Murdock
patent: 3288759 (1966-11-01), Holub
patent: 3468975 (1969-09-01), Duxbury
patent: 3484339 (1969-12-01), Caldwell
patent: 3810876 (1974-05-01), Cowell
patent: 4014829 (1977-03-01), Baird

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