Fast heatup polyesters using graphite as an additive

Details Fast heatup polyesters using graphite as an additive Fast heatup polyesters using graphite as an additive

1998-08-25

2000-03-07

Wu, David W.

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...

524495, C08K 304

Patent

active

06034167&

ABSTRACT:
A polyester resin is disclosed containing graphite in sufficient quantities to reduce its infrared heat up time in the reheat-blow process. The amount of graphite added is from 0.1 to 15 ppm and the average particle size is from 0.1 to 20 microns. The polyester is useful to make bottle preforms for beverage containers. Methods of making the polyester resin are also disclosed using a masterbatch or liquid slurry addition technique.

REFERENCES:
patent: 4245003 (1981-01-01), Oransky et al.
patent: 4408004 (1983-10-01), Pengilly
patent: 4711834 (1987-12-01), Butters et al.
Brady, Materials Handbook, 12th Edition, McGraw, p. 369, 1986.

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