| 摘要 |
PROBLEM TO BE SOLVED: To provide a cellular material having improved properties.SOLUTION: At least one kind of polyols (P) selected from polyester and polyether polyol grafted by at least one kind of chains of polystyrene, polyacrylonitrile and styrene/acrylonitrile copolymer, and polyester and polyether polyol in which at least one kind of polystyrene, polyacrylonitrile and styrene/acrylonitrile copolymer is dispersed, is used for forming a polyol component or a polyol-polyamine component of polyurethane which forms a polymer matrix of a hydrolysis resistance soft cellular material. |
