High gloss polyethylene terephthalate reinforced resin compositi

Details High gloss polyethylene terephthalate reinforced resin compositi High gloss polyethylene terephthalate reinforced resin compositi

1982-02-03

1984-11-20

Hoke, Veronica P.

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...

26433118, 26432817, 524359, 524377, 524401, 524424, 524425, 524426, 524442, C08K 714

Patent

active

044839553

ABSTRACT:
Polyethylene terephthalate resin compositions are provided containing fillers; reinforcing agents; or blends of such fillers and agents; alkali metal silicates, carbonates, or bicarbonates; and neopentylglycol dibenzoate.
Articles molded from these compositions have high gloss surfaces and heat deflection temperatures when molded at temperatures below 110.degree. C. even without a precompounding drying stage.
Surprisingly, the inclusion of neopentylglycol dibenzoate allows the concentration of alkali metal silicate, carbonate, or bicarbonate to be substantially reduced while retaining the high gloss surfaces seen when alkali metal silicates, carbonates, or bicarbonates are used alone at much higher concentrations.

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