Surfactant for emulsion polymerization

Details Surfactant for emulsion polymerization Surfactant for emulsion polymerization

2006-08-29

2006-08-29

Gulakowski, Randy (Department: 1712)

Colloid systems and wetting agents; subcombinations thereof; pro

Continuous liquid or supercritical phase: colloid systems;...

Aqueous continuous liquid phase and discontinuous phase...

C516S075000

Reexamination Certificate

active

07098250

ABSTRACT:
The invention provides a surfactant for emulsion polymerization represented by the formula (I), (II) or (VI). The invention also provides a method of producing a polymer emulsion using this surfactant.wherein A represents an alkylene group having 3 to 18 carbon atoms or an alkoxymethylethylene group (alkoxy group has 4 to 18 carbon atoms), EO represents an oxyethylene group, a denotes a number of 0 to 50, b denotes a number of 0 to 200 wherein a and b are not 0 at the same time and M represents a cation;wherein A′O represents an oxyalkylene group having 3 to 18 carbon atoms, E′O represents an oxyethylene group, m denotes a number of 0 to 50 and n denotes a number of 5 to 200, provided that the -(A′O)— groups m in number [-(A′O)m-] may be the same as or different from one another.

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