Polyamide polyethylene glycolpolyamide block copolymer

Details Polyamide polyethylene glycolpolyamide block copolymer Polyamide polyethylene glycolpolyamide block copolymer

1984-12-31

1989-10-10

Anderson, Harold D.

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

Synthetic resins

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

525420, 528336, C08G 6948

Patent

active

048732966

ABSTRACT:
A linear block copolymer of regular structure, comprising polyamide and polyethylene glycol blocks. Two polyamide blocks (A) are bound through an intermediate polyethylene glycol block (B) according to a structural scheme (A-B-A). Fibers exhibiting a high moisture absorption strong mechanical properties and a high dyeability. Textile manufactured goods comprising said fibers. A process to obtain said block copolymer, through the preparation of a polyamide (A) and a polyethylene glycol (B), and condensation of polyamide (A) and polyethylene glycol (B) so as to obtain a (A-B-A) structure.

REFERENCES:
patent: 4361680 (1982-11-01), Borg et al.
patent: 4556697 (1985-12-01), Curatolo et al.
Hay, U.S. Pat. No. 3,306,875, cols. 1-2, 35-36.

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