Polyethylene terephthalate resin composition, molded product and

Details Polyethylene terephthalate resin composition, molded product and Polyethylene terephthalate resin composition, molded product and

1998-08-20

1999-10-12

Acquah, Samuel A.

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...

524401, 524442, C08K 300

Patent

active

059656530

ABSTRACT:
Polyethylene terephthalate resin composition comprising a polyethylene terephthalate resin and nigrosine, optionally containing fibrous reinforcing material, e.g. in an amount of about 10 to 120% by weight relative to the polyethylene terephthalate resin. The polyethylene terephthalate resin composition enables the production of molded products good in appearance, surface gloss, mechanical characteristics and light fastness. The composition has a crystallization rate upon molding which is lower than that of a corresponding natural polyethylene terephthalate resin containing no coloring agents and which is also lower than that of a corresponding polyethylene terephthalate resin composition comprising a polyethylene terephthalate resin and carbon black. The composition is capable of forming a molded product that can elongate more than 200% and also more than two times relative to a corresponding natural polyethylene terephthalate resin containing no coloring agents.

REFERENCES:
patent: 4352907 (1982-10-01), Lee
patent: 5374675 (1994-12-01), Plachetta et al.

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