Polyacrylate dispersions prepared with a water-soluble conjugate

Details Polyacrylate dispersions prepared with a water-soluble conjugate Polyacrylate dispersions prepared with a water-soluble conjugate

1988-03-04

1991-03-05

Schofer, Joseph L.

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...

524812, 524815, 524817, 524832, C08L 3700

Patent

active

049978772

ABSTRACT:
Disclosed is an aqueous acrylic polymer dispersion containing no protective colloid and a dispersed phase comprised of a polymer of (a) one or more monomers selected from the group consisting of acrylic or methacrylic esters containing up to 22 carbon atoms and (b) 0.1% to 2%, by weight of the total monomers, of at least one water-soluble free-radically polymerizable monomer selected from the group consisting of linear or cyclic, nonaromatic sulfonic acids or sulfonic acid metal salts, amine salts, ammonium salts and quaternary ammonium salts having (i) 4 to 36 carbon atoms, (ii) conjugated unsaturation and (iii) a solubility of at least 0.4 gram per 100 ml of water at about 20.degree. C. Also disclosed is a process for preparing the aqueous acrylic polymer dispersion by the aqueous emulsion polymerization, in the absence of a protective colloid and in the presence of a polymerization initiator, of (a) the acrylic or methacrylic ester monomer(s) and (b) the free-radically polymerizable monomer(s). The acrylic polymer latex is useful in the manufacture of latex paints, water-based inks, paper coatings, water-borne adhesives, such as pressure-sensitive adhesives, and as a binder for nonwoven materials.

REFERENCES:
patent: 3306871 (1967-02-01), Miller
patent: 3324064 (1967-06-01), Fikentscher et al.
patent: 3637563 (1972-01-01), Christena
patent: 4265796 (1981-05-01), Mueller-Mall et al.
patent: 4558092 (1985-12-01), Reinecke et al.
patent: 4659771 (1987-04-01), Craig

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