abstract |
THE PREPARATION OF MECHANICALLY FROTHED POLYURETHANE FOAMS USING A COMPOSITION CONSISTING ESSENTIALLY OF A MIXTURE OF 1 TO 10 PARTS BY WEIGHT OF A COPOLYMER COMPOSED OF SIO2 UNITS AND UNITS SELECTED FROM THE GROUP CONSISTING OF (CH3)3SIO1/2 AND Q(CH3)2SIO1/2 UNITS, WHEREIN Q IS A SOLUBILIZING GROUP, AND 0.1 TO 2 PARTS BY WEIGHT OF A SILICON-GLYCOL COPOLYMER IS DISCLOSED. |