C - Chemistry – Metallurgy – 08 – L
Patent
C - Chemistry, Metallurgy
08
L
400/8102, 400/90
C08L 33/04 (2006.01) C09D 11/10 (2006.01) D06P 1/44 (2006.01) D06P 1/52 (2006.01)
Patent
CA 1152667
STOCK EMULSION Abstract of the Disclosure A stock emulsion which is a mixture in the form of an o/w emulsion consisting essentially of (A) an alkali-thickenable emulsion of a copolymer having a weight average molecular weight of at least 500,000 and being derived from (i) 2.5 to 40% by weight of an ethylenically unsa- turated carboxylic acid containing 3 to 6 carbon atoms, (ii) 1 to 10% by weight of an ethylenically unsa- turated monomer having one crosslinkable functional group selected from the class consisting of the group -CH2OR wherein R is a hydrogen atom or an alkyl group containing 1 to 4 carbon atoms, a glycidyl group and a hydroxyl group, (iii) 0 to 3% by weight of a monomer having an ethylenic linkage and at least one sulfonate salt group, and (iv) 47 to 96.9% by weight of another monomer having an ethylenic linkage, (B) a basic compound. and (C) a hydrophobic organic solvent, said mixture containing 3 to 12% by weight of the copolymer and not more than 2% by weight of surface active agents; and a colored printing paste for pigment printing compris- ing the above stock emulsion.
336640
Hirano Norimasa
Yamauchi Yuzuru
Dainippon Ink And Chemicals Inc.
Smart & Biggar
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