Reinforced resin composition

Details Reinforced resin composition Reinforced resin composition

1981-06-30

1983-01-11

Marquis, Melvyn I.

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

Synthetic resins

Processes of preparing a desired or intentional composition...

524110, 524111, 524487, 524489, 524490, 524494, C08K 515

Patent

active

043682839

ABSTRACT:
Reinforced resin compositions exhibiting excellent heat resistance and appearance, and containing by weight: (a) at least 30% of a polyethylene terephthalate-type resin, (b) 5 to 60% glass fiber, (c) 0.03 to 5% of one or more salts of organic carboxylic acids with metals of the Groups Ia and IIa of the Periodic Table, and (d) 0.1 to 20% of a sorbitan derivative are disclosed. Optionally liquid or solid paraffin or polyethylene wax is incorporated in an amount of 0.3 to 5% based on the total composition may be incorporated if a white article is desired.
Molded articles prepared from these compositions, high in heat resistance and uniform appearance, even if the thickness of the molded article is small or uneven or the molding operation is carried out at a relatively low mold temperature, are also disclosed. Molding temperature dependence and thickness dependence on the heat distortion temperature of the molded article are remarkably improved as well.

REFERENCES:
patent: 4247427 (1981-01-01), Edinger
patent: 4280005 (1981-07-01), Fox

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