Latex having a high solids content and a low viscosity and...

Details Latex having a high solids content and a low viscosity and... Latex having a high solids content and a low viscosity and...

2005-02-08

2005-02-08

Egwim, Kelechi C. (Department: 1713)

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Polymers from only ethylenic monomers or processes of...

C526S209000, C526S218100, C526S219200, C526S219500, C526S219600, C526S225000, C526S227000

Reexamination Certificate

active

06852812

ABSTRACT:
A process is presented for the preparation of a latex by the emulsion polymerization at a temperature of between 30 and 90 C. of at least one ethylenically unsaturated monomer in the presence of at least one surfactant and of a seed of polymer particles with a diameter of between 200 and 450 nm. The seed particles represent from 5-25% by weight of the total weight of the monomer and seed. The polymerization is initiated by a mixed water-soluble/fat-soluble system. Also included are lattices obtained from this process.

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