Anionic copolymers prepared in an inverse emulsion matrix...

Details Anionic copolymers prepared in an inverse emulsion matrix... Anionic copolymers prepared in an inverse emulsion matrix...

2007-07-31

2007-07-31

Fortuna, José A. (Department: 1731)

Colloid systems and wetting agents; subcombinations thereof; pro

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

Primarily organic continuous liquid phase

C516S022000, C524S522000, C524S801000, C526S081000, C526S217000, C526S916000

Reexamination Certificate

active

10313632

ABSTRACT:
A papermaking method and a composition which utilize, as a drainage aid, a water-soluble anionic copolymer prepared via a water-in-oil polymerization technique that, absent a cross-linking agent, is characterized by a Huggins' constant (k′) determined in 0.01M NaCl greater than 0.75 and a storage modulus (G′) for a 1.5 wt. % actives polymer solution at 4.6 Hz greater than 175 Pa.

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