C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
6/48, 6/63, 400/
C07C 69/22 (2006.01) C07H 13/06 (2006.01) C08L 3/00 (2006.01) D21H 19/54 (2006.01) D21H 19/62 (2006.01)
Patent
CA 1322550
ABSTRACT OF THE DISCLOSURE Paper coating composition contain at least one pigment, at least one binder, and as an insolubilizer for the binder, the product of reacting glyoxal with a polyhydroxyl substituted ester, then with a polyol. The reaction products do not build viscosity as does glyoxal; they do not contain or evolve free formaldehyde; in smaller amounts, they have insolubilizing effects similar to those of the previously known agents; they provide lubrication in addition to insolubilizing the binder; and they provide a high gloss finish to the paper.
613222
Marks & Clerk
Sequa Chemicals Inc.
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