Copolyester composition containing poly(ethylene cyclohexane dim

Details Copolyester composition containing poly(ethylene cyclohexane dim Copolyester composition containing poly(ethylene cyclohexane dim

1978-11-09

1980-09-30

Pertilla, Theodore E.

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

Synthetic resins

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

428483, 525931, C08L 6702

Patent

active

042256887

ABSTRACT:
A copolyester compositon which exhibits good bonding characteristics to polyvinyl chloride, good impact resistance, and improved resistance to crazing or cracking in the presence of solvents such as alcohol. The composition consists essentially of (a) 80 to 95 percent by weight of a generally rigid poly(ethylene cyclohexanedimethylene terephthalate) in which from 2 to 20 molar parts of ethylene units are present per one molar part of cyclohexanedimethylene units, and (b) from 5 to 20 percent by weight of a flexible copolymer containing alternating covalently bonded blocks of poly(butylene terephthalate) and poly(1,4-butylene ether).

REFERENCES:
patent: 3849515 (1974-11-01), Muller
patent: 3907926 (1975-09-01), Brown
patent: 4125571 (1978-04-01), Scott et al.

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