| abstract |
Process for providing a backing on a carpeting material comprising (1) forming a heat curable polyurethane forming froth which is substantially structurally and chemically stable but workable at ambient conditions, (2) applying said froth to the back of carpeting; (3) shaping said froth and (4) curing the resultant shaped froth at a temperature of at least 70*C. to form a cured polyurethane foam backing on said carpeting material. |