Block copolymers

Details Block copolymers Block copolymers

1975-12-22

1977-01-18

Lieberman, Paul

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260 67FP, C08L 7700

Patent

active

040039609

ABSTRACT:
Block copolymer of the structure A-B, wherein: ##STR1## A is a polylactamic block of recurring units: t,0010 WHEREIN PM is a linear polymethylene chain having from 3 to 13 carbon atoms,
B is a polyoxymethylene block of recurring units [CH.sub.2 O]. The block copolymer contains at least 2 wt.% of block B and at least 0.05 wt.% of block A.
The block copolymer can be used as technopolymer when rich in block B, or in the field of yarns and molded products when rich in block A.

REFERENCES:
patent: 2993025 (1961-07-01), Alsup
patent: 3204012 (1965-08-01), Eguchi
patent: 3235624 (1966-02-01), Green
patent: 3288885 (1966-11-01), Green

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