Thermoplastic copolyesters

Details Thermoplastic copolyesters Thermoplastic copolyesters

Filed on

1977-09-27

Date issued

1979-10-16

Examiner

Lee, Lester L.

Patent Class

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

SubClass

Synthetic resins

SubSubClass

From phenol, phenol ether, or inorganic phenolate

Other Related Categories

528173, 528191, 528192, 528193, C08G 6318

Type

Patent

Status

active

Patent number

041714210

Description

ABSTRACT:
Linear thermoplastic polyesters obtained from aromatic dicarboxylic acids and unsubstituted aromatic diols are modified with relatively long chain aliphatic dicarboxylic acids. By this means, the processing temperatures are lowered, while the mechanical properties remain essentially unchanged.

REFERENCES:
patent: 2035578 (1936-03-01), Wagner
patent: 3220977 (1965-11-01), Jackson, Jr. et al.
patent: 3511808 (1970-05-01), Hodge et al.
patent: 3704279 (1972-11-01), Ismail

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