Acrylic latex composition

Details Acrylic latex composition Acrylic latex composition

2005-08-16

2005-08-16

Cain, Edward J. (Department: 1714)

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...

C524S431000, C524S560000, C524S561000, C524S832000, C524S833000

Reexamination Certificate

active

06930143

ABSTRACT:
An acrylic emulsion is disclosed. The emulsion comprises from about 30% to about 90% by weight of water, about 10% to about 70% by weight of an acrylic polymer, about 0.2% to about 10% by weight of a emulsifying agent, and up to 20% by weight of an organic solvent. The acrylic polymer contains from about 20% to about 80% by weight of recurring units of t-butyl acrylate or methacrylate. Latex coatings formulated from the acrylic emulsion show significantly improved resistance to moisture and corrosion.

REFERENCES:
patent: 4468498 (1984-08-01), Kowalski et al.
patent: 4476217 (1984-10-01), Douglas et al.
patent: 4508812 (1985-04-01), Brault
patent: 5194510 (1993-03-01), DuBois
patent: 5212243 (1993-05-01), Toyoda et al.
patent: 5679735 (1997-10-01), Geissler et al.
patent: 5869590 (1999-02-01), Clark et al.
patent: 5928830 (1999-07-01), Cheng et al.
Technical Bulletin: “tert-Butyl Methacrylate Acryester® TB, Mitsubishi Rayon”.

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