Swollen multi-stage emulsion polymers with low dry bulk...

Details Swollen multi-stage emulsion polymers with low dry bulk... Swollen multi-stage emulsion polymers with low dry bulk...

2004-11-08

2008-10-14

Choi, Ling-Siu (Department: 1796)

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

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

C525S902000, C524S460000, C523S201000

Reexamination Certificate

active

07435783

ABSTRACT:
An aqueous polymer emulsion comprising water and swollen multi-stage polymer is provided. The swollen multi-stage polymer has low dry bulk density, as measured by centrifugation. To achieve the low dry bulk density, the polymer is highly swollen in such a way that it does not subsequently collapse. The polymer is useful in paint and paper coatings.

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