Easily sievable powder coating composition

Details Easily sievable powder coating composition Easily sievable powder coating composition

1997-03-25

1999-09-21

Cain, Edward J.

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...

524492, 524494, C08K 300

Patent

active

059555300

ABSTRACT:
Finely divided hydrophobic silica powder having a number average particle size from 3 to 10 nm and a BET surface area from 195 to 290 m.sup.2 /g is dry blended with particles of a thermosetting resin composition having a volumetric average particle size from 5 to 20 .mu.m in a proportion from 0.05 to 2.0 parts per 100 parts of the resin particles on weight basis. Sieving efficiency of the powder coating composition thus processed is remarkably improved.

REFERENCES:
patent: 4049744 (1977-09-01), Masters
patent: 5554681 (1996-09-01), Patel
"Handbook of Fillers for Plastics", eds. Katz and Milewski, (1987).

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