Abstract:
SURFACE COATINGS BASED ON A DISPERSION OF A COPOLYMER (I) WHICH CONTAINS UNITS OF (A) 50 TO 95% BY WEIGHT OF A COPOLYMERIZABLE ESTER OF A MONOOLEFINICALLY UNSATURATED CARBOXYLIC ACID HAVING THREE TO FIVE CARBON ATOMS AND AN ALCOHOL HAVING ONE TO EIGHT CARBON ATOMS; (B) 0.75 TO 25% BY WEIGHT OF AN N-METHYLOLAMIDE OF A COPOLYMERIZABLE OLEFINICALLY UNSATURATED CARBOXYLIC ACID HAVING THREE TO FIVE CARBON ATOMS WHICH HAS BEEN ETHERIFIED WITH AN ALCOHOL HAVING ONE TO EIGHT CARBON ATOMS; AND (D) 0 TO 40% BY WEIGHT OF AT LEAST ONE OTHER COPOLYMERIZABLE MONOOLEFINICALLY UNSATURATED MONOMER. COPOLYMER I IS PREPARED BY POLYMERIZING THE SAID MONOMERS IN AN ORGANIC LIQUID IN WHICH THE COPOLYMER (I) IS INSOLUBLE, IN THE PRESENCE OF A POLYMER (II) OR POLYCONDENSATES (II) OR A MIXTURE OF BOTH WHICH IS DISSOLVED IN THE ORGANIC LIQUID USING A CONVENTIONAL POLYMERIZATION INITIATOR.
Abstract:
Emulsifier compositions containing, apart from water and conventional surfactants, a copolymer of unsaturated carboxylic acids and their esters and optionally other comonomers for creaseproofing cellulosic textile materials with amino resin forming substances.
Abstract:
Polymers of N-vinylpyrrolidone, opt. with no >20 wt % of a comonomer, and with a K value of 50-100 (60-90) in 1% aq. soln. at 25 degrees C are used as size for polyester, viscose, and cellulose acetate and triacetate yarn. The dressing bonds firmly, and confers on the coated material good stiffness, with good elasticity and flexibility. The properties of the coating film are not dependent on atmos. moisture. The film can be easily washed off.