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...
Patent
1984-11-09
1986-09-02
Michl, Paul R.
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...
524141, C08F 224
Patent
active
046097040
ABSTRACT:
Aqueous vinyl ester/acrylate copolymer emulsions possessing enhanced wet pick strength in paper coating compositions comprise a vinyl ester/acrylate copolymer colloidally dispersed in an aqueous medium, the copolymer consisting essentially of (a) a vinyl ester of a C.sub.1 -C.sub.12 alkanoic acid, (b) 2 to 50 wt % of an alkyl acrylate, and (c) 0.1 to 10 wt % of an ethylenically unsaturated mono- or dicarboxylic acid or half ester thereof. The copolymer is prepared by an aqueous emulsion polymerization process comprising the use of a stabilizer system consisting essentially of an alkylphenoxy polyethoxy ethanol and an anionic surfactant and, in the preferred embodiment, the use of a seeding procedure.
REFERENCES:
patent: 4144212 (1979-03-01), Linder et al.
patent: 4395499 (1983-07-01), Rosenski et al.
patent: 4503185 (1985-03-01), Hausman et al.
McCutcheon's Detergents and Emulsifiers, 1976, p. 161.
Hausman Mary L.
Lenney William E.
Miller Gerald D.
Air Products and Chemicals Inc.
Innis E. Eugene
Leach Michael
Michl Paul R.
Simmons James C.
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