Resilient starch graft polymer polyhydric alcohol product
AssigneeHenkel Corporation
InventorPhillip W. Goodrich
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Abstract
A starch-hydrolyzed polyacrylonitrile graft copolymer dispersed in polyhydric alcohols such as glycerol combines to form a resilient, soft, shock absorbent type material after heating. The material is useful for seat pads, artificial limb pads, toys and other applications where resilient, soft, shock absorbent materials find utility.
Claims4
A composition comprising the reaction product at temperatures of about 23.degree. C. to 120.degree. C. of a starch-hydrolyzed polyacrylonitrile graft copolymer and a sugar alcohol having the general formula HOCH.sub.2 (CHOH).sub.n CH.sub.2 OH where n is 2-5 and wherein, based on the total weight of starch graft polymer and sugar alcohol, said starch graft polymer is present in an amount of about 5-60% by weight and said sugar alcohol is present in an amount of about 95-40% by weight.
Dependencies are inferred from the claim text.