Copolymers of hydroxymethylbenzoic acid and lactam

Details Copolymers of hydroxymethylbenzoic acid and lactam Copolymers of hydroxymethylbenzoic acid and lactam

1983-12-19

1985-07-09

Anderson, Harold D.

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

Synthetic resins

From carboxylic acid or derivative thereof

528310, 528331, C08G 6914

Patent

active

045283613

ABSTRACT:
High molecular weight linear aromatic amorphous copolymers comprising copolymers of p- , m-hydroxymethylbenzoic acid and mixtures thereof and a polyamide are prepared in ratios of 1:20 to 20:1. The resulting polymers have an inherent viscosity of at least 0.4 dl/g in a 60/40 phenol/tetrachloroethane solvent at 30.degree. C., good molding properties and improved hydrophylic properties as compared with nylon-6.

REFERENCES:
patent: 3342785 (1967-09-01), Blanchard
patent: 3592873 (1971-07-01), Ishida et al.

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