Polyester/polycarbonate blends

Details Polyester/polycarbonate blends Polyester/polycarbonate blends

1991-11-14

1993-08-24

Short, Patricia A.

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

Synthetic resins

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

525466, C08L 6702, C08L 6900

Patent

active

052390209

ABSTRACT:
Disclosed is a composition of matter comprising a homogeneous blend of polyester and a polycarbonate of 4,4-isopropylidenediphenol, the composition having a Gardner b value of less than 10 and a Gardner a value of less than 4. The polyester is produced using an organic derivative of tin as catalyst.

REFERENCES:
patent: 2720507 (1911-10-01), Caldwell
patent: 3218372 (1965-11-01), Okamura
patent: 3953539 (1976-04-01), Kawase et al.
patent: 4088709 (1978-05-01), Seymour et al.
patent: 4125572 (1978-11-01), Scott
patent: 4391954 (1983-07-01), Scott
patent: 4452933 (1984-06-01), McCready
patent: 4786692 (1988-11-01), Allen et al.

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