Thermoplastic compositions having improved melt flow

Details Thermoplastic compositions having improved melt flow Thermoplastic compositions having improved melt flow

1990-08-16

1991-06-18

Marquis, Melvyn I.

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

Synthetic resins

At least one aryl ring which is part of a fused or bridged...

524308, 524311, 525439, C08L 6900, C08L 6702

Patent

active

050250566

ABSTRACT:
Thermoplastic molding compositions containing at least one member selected from among aromatic polycarbonate and aromatic polyestercarbonate resins were plasticized by incorporating therewith a small amount of a copolyetherester conforming to ##STR1## wherein x is about 2 to 15, n is about 3 to 10 and y is about 1 to 10. A and A' are end groups which may independently be a hydroxy group, a carboxy radical, a C.sub.1 -C.sub.8 alkoxy or a C.sub.6 -050249762 C.sub.10 aryloxy group. The compositions of the invention are characterized by their improved processability.

REFERENCES:
patent: 4778855 (1988-10-01), Boutni et al.

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