Polyester-urethanes derived from cyclohexanedimethanol and textile fabric coated therewith

Claim 1

IN A PROCESS FOR PREPARING POLYESTER-URETHANE FOAM MADE BY THE FOLLOWING GENERAL PROCEDURE COMPRISING (A) REACTING TOGETHER AT LEAST THE FOLLOWING INGREDIENTS (1) A LIQUID POLYESTER PRINEIPALLY PREPARED FROM BIFUNCTIONAL REACTANTS WHICH IS A POLYESTER AT LEAST ONE DICARBOXYLIC ACID CONTAINING AT LEAST 3 CARBON ATOMS AND AT LEAST ONE GLYCOL, SAID POLYESTER HAVING A HYDROXYL NUMBER OF FROM 30 TO 140 AND AN ACID NUMBER OF FROM 0 TO 15 AND A WEIGHT AVERAGE MOLECULAR WEIGHT OF FROM ABOUT 700 TO ABOUT 3500, (2) AT LEAST ONE ORGANIC POLYISOICYANATE COMPOSED OF CARBON, HYDROGEN, OXYGEN AND NITROGEN, CONTAINING AT LEAST 50 MOLE PERCENT OF AN ORGANIC DIISOCYANATE, THE RATIO OF THE EQUIVALENTS OF SAID POLYISOCYANATE TO SAID POLYESTER BASED ON ITS HYDROXYL CONTENT BEING FROM ABOUT 2.0 TO 4.5, AND (3) WATER, THERE BEING FROM ABOUT 1.0 TO 4.0 EQUIVALENTS OF WATER FOR EACH EQUIVALENT OF SAID POLYISCOCYANATE IN EXCESS OF THE EQUIVALENTS OF SAID POLYESTER, SAID REACTING OF (1), (2) AND (3) BEING ACCOMPLISHED WITH AGITATION FOR A SHORT PERIOD IN THE PRESENCE OF AN EMULSIFIER COMPOSITION SO AS TO FORM A FOAMED LIQUID, (B) ALLOWING THE FOAMED LIQUID REACTION MIXTURE TO FORM A SOLID FOAMED PRODUCT SHAPED ACCORDING TO A SPACE IN WHICH IT IS CONTAINED, AND (C) CURING THE FOAMED PRODUCT AT 50*-100*C., THE IMPROVEMENT CONSISTING OF EMPLOYING, AT LEAST 50 MOLE PERCENT OF CYCLOHEXANEDIMETHANOL AS SAID GLYCOL.