C - Chemistry – Metallurgy – 08 – L
Patent
C - Chemistry, Metallurgy
08
L
400/4014, 400/50
C08L 33/02 (2006.01)
Patent
CA 1080872
ABSTRACT OF THE DISCLOSURE A flexible polyacid composition can be prepared by (A) mixing together (1) at least one polyacid comprising a polymer of at least 80% by weight of acrylic acid, methacrylic acid or a mixture thereof, (2) at least one plasticizer selected from the group consisting of diols, triols and higher polyols, and glycol ethers having a molecular weight from about 60 to about 4,000, (3) a cross-linking agent selected from the group consisting of epoxy resins, polyamines and salts thereof, alkanolamines, and hydrogen peroxide, and (4) optionally, a polyacid solvent, nonsolvent or mixture thereof, and (B) heat- ing the reaction mixture to a temperature within the range from about 20°C. to about 150°C. Compositions of this invention can be cast from water solutions and dried to tough, flexible films or coatings which are substantially tack-free and retain their flexibililty with aging. Composition solubility in water may be varied widely from completely insoluble to completely soluble.
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