Block copolymer of polyetheramide and random copolymer of polyam

Details Block copolymer of polyetheramide and random copolymer of polyam Block copolymer of polyetheramide and random copolymer of polyam

1979-09-06

1981-06-16

Lieberman, Paul

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

Synthetic resins

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

528324, 528335, C08L 7700, C08G 6940

Patent

active

042738989

ABSTRACT:
A novel composition comprises a block copolymer of a polyetheramide, e.g., poly-(4,7-dioxadecamethylene adipamide) and a random copolymer resulting from the polymerization of an ether free polyamide precursor, e.g., hexamethylenediamine salt of adipic acid and a precursor of a polyetheramide. The block copolymer can be more easily processed into useful articles such as fiber and film because it differs structurally from a corresponding block copolymer of homopolymers of polyetheramide and polyamide.

REFERENCES:
patent: 3397107 (1968-08-01), Kimura
patent: 3509106 (1970-04-01), Lotz
patent: 3729449 (1973-04-01), Kimura
patent: 3843609 (1974-10-01), Kimura
patent: 4044071 (1977-08-01), Nickol
patent: 4045511 (1977-08-01), Nickol
patent: 4113794 (1978-09-01), Thompson
patent: 4130602 (1978-12-01), Thompson
patent: 4136133 (1979-01-01), Thompson
patent: 4165346 (1979-08-01), Thompson
patent: 4168602 (1979-09-01), Thompson
patent: 4177222 (1979-12-01), Thompson

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