Thermoplastic polysiloxane-polyester (carbonate) block copolymer

Details Thermoplastic polysiloxane-polyester (carbonate) block copolymer Thermoplastic polysiloxane-polyester (carbonate) block copolymer

1984-11-29

1987-07-21

Briggs, Sr., Wilbert J.

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

Synthetic resins

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

524500, 524537, 524539, 524540, 525439, 525446, 528 26, 528 29, 528 33, C08G 7740, C08G 6324, C08G 6346

Patent

active

046819223

ABSTRACT:
Siloxane/polyester (carbonate) block copolymers comprising wholly aromatic polyester or polyestercarbonate units and from 0.5 to 7.5% by weight of polysiloxane blocks, exhibit an improved melt flowability without impairment of the heat stability.

REFERENCES:
patent: 3701815 (1972-10-01), Matzner et al.
patent: 3749757 (1973-07-01), Marzocchi
patent: 3935154 (1976-01-01), Cawley
patent: 3994988 (1976-11-01), Lavrin
patent: 4496704 (1985-01-01), Ginnings
patent: 4539379 (1985-09-01), Hallgren

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