Patent ID: 7780979

Claim:
Fabric-supported temperature responsive poly(N-isopropylacrylamide)polyurethane (PNIPAAm/PU) hydrogel, wherein the said fabric-supported temperature responsive PNIPAAm/PU hydrogel is prepared with the following materials: VPUA 0.2-2 parts by weight Triethylamine 0.05-0.1 parts by weight NIPAAm 1-10 parts by weight Methylenebisacrylamide(MBAA) 0.01-2 parts by weight Initiator 0.001-0.02 parts by weight Promoter 0.001-0.01 parts by weight Nonwoven fabric 0.02-0.1 parts by weight Deionized water 10-50 parts by weight.