Modified polyester compositions

Details Modified polyester compositions Modified polyester compositions

1986-01-10

1987-06-30

Pertilla, Theodore E.

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...

524451, 524504, 525 67, 525148, 525902, C08L 6900

Patent

active

046771506

ABSTRACT:
Poly(C.sub.2 -C.sub.4 alkylene terephthalate) molding composition containing aromatic polyester carbonate and impact modifier. The aromatic polyester carbonate is derived from a dihydric phenol, a carbonate precursor and dicarboxylic acid or ester forming derivative thereof. The impact modifier may be a core-shell polymer polymerized from monomers comprising butadiene or may be a core-shell polymer having a first elastomeric phase polymerized from a monomer system including C.sub.1 -C.sub.6 alkylacrylate as well as crosslinking and graftlinking monomers and having a final rigid thermoplastic phase polymerized in the presence of the elastomeric phase.

REFERENCES:
patent: 4482672 (1984-11-01), Neuray et al.
patent: 4554314 (1985-11-01), Chung et al.

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