Highly filled resin powder

Details Highly filled resin powder Highly filled resin powder

1988-11-07

1992-01-28

Michl, Paul R.

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...

524437, 524492, 524493, C08K 326, C08J 930, C08L 2700

Patent

active

050845012

ABSTRACT:
A highly filled PVC resin powder is formed by coating filler particles with a liquid and blending a dispersion grade PVC resin with the coated filler particles in a low shear mixer. Resin compositions having 60% to 95% filler can be formed. A majority of the resin particles have a size of less than 15 microns. The filler has a particle size distribution in which at least 50% by weight and preferably at least 95% by weight of the particles are retained on a 200 mesh (U.S. Standard) screen. The liquid is a plasticizer and/or stabilizer. Such a composition may be sintered to form a porous mass or layer and the mass or layer printed with a plastisol or acrylate ink.

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patent: 3917550 (1975-11-01), Clas
patent: 4040997 (1977-08-01), Van Vonno et al.
patent: 4425449 (1984-01-01), Dorsey

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