Patent ID: 9315613
Filing Date: 2016-04-19
CPC Classification: C08G

Claim Text:
1. A methylene diphenyl diisocyanate (MDI) system-based, non-temperature sensitive memory sponge, made by reacting a polyol mixture, which comprises a polyether polyol and a polymer polyol, with an isocyanate and an auxiliary agent mixture comprising: a foaming agent, a pore adjusting agent, and a catalyst, wherein said polyether polyol is polyoxypropylene glycerol with a molecular weight of 700, wherein said polymer polyol is a graft polyether, and wherein said isocyanate is methylene diphenyl diisocyanate, wherein the polyol mixture further comprises a polyoxypropylene trihydroxy ether with a molecular weight of 4800, wherein the auxiliary agent mixture further comprises a polyol chain extender, wherein a weight portion of the foaming agent is 1.5-3 parts by weight per 100 parts by weight of the polyol mixture.