Filler-containing bead polymers

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...

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524832, C08L 3100

Patent

active

043895077

ABSTRACT:
Polymer beads having an average bead diameter of from 5 to 500 .mu., consisting of an inorganic fine-particled filler and polymerized (meth)acrylic acid esters, and a process for their production, wherein a mixture of monomer and, optionally, polymer which is soluble in the monomer, which has a viscosity of from 0.1 to 10 Pa.s, measured at the dispersion temperature, and filler is suspended in an aqueous medium in the presence of dispersants and is polymerized.

REFERENCES:
patent: 3069375 (1962-12-01), Bulitt, Jr. et al.
patent: 3716505 (1973-02-01), Ohe et al.
patent: 4071670 (1978-01-01), Vanzo et al.
patent: 4157323 (1979-06-01), Yen et al.

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