Branched thermoplastically processible impact-resistant polyamid

Details Branched thermoplastically processible impact-resistant polyamid Branched thermoplastically processible impact-resistant polyamid

1985-07-01

1986-09-09

Schofer, Joseph L.

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

Synthetic resins

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

C08F28304

Patent

active

046110348

ABSTRACT:
Polyamide block copolymers obtained by activated anionic polymerization of lactams having at least 5 ring members in the presence of basic catalysts, polyisocyanates as activators and amino-terminated polyethers, which are characterized in that the amino-terminated polyethers have a functionality of at least 3.0 preferably at least 3.2, and a molecular weight of at least 3500, and the polyisocyanates are aliphatic or cycloaliphatic polyisocyanates.

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patent: 4487920 (1984-12-01), Akkapeddi
patent: 4507465 (1985-03-01), Chiba et al.

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