Glycols starting materials containing dispersed superfine...

Details Glycols starting materials containing dispersed superfine... Glycols starting materials containing dispersed superfine...

2005-02-08

2005-02-08

Yoon, Tae H. (Department: 1714)

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...

C524S430000, C524S604000, C528S282000, C528S283000

Reexamination Certificate

active

06852789

ABSTRACT:
Glycol starting materials for manufacturing a polyester molded body containing 1 to 20% by weight of dispersed superfine ceramic powder aggregates relative to the total weight of the glycol for enabling polyester molded bodies having a high mechanical strength and transparency to be manufactured. The superfine ceramic powder aggregates dispersed in the glycol starting material have a mean particle size of 0.05 to 0.5 μm as measured with a laser diffraction particle size distribution analyzer, and wherein the peak indicated in a particle size distribution curve of the superfine ceramic powder aggregates obtained based on the results of the measurement satisfies the relationship of w/h≦0.7, wherein h is the peak height and w is the peak width at one half of the peak height (a half-width).

REFERENCES:
patent: 6648645 (2003-11-01), MacDougald et al.
patent: 63104951 (1989-11-01), None
patent: 02034659 (1990-02-01), None

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