| 英文名称: | | Hexanedioic acid, polymer with 1,4-butanediol, 1,1'-methylenebis[4-isocyanatobenzene] and 2,2'-[1,4-phenylenebis (oxy)]bis[ethanol] | | Diphenylmethane-4,4'-diisocyanate, hydroquinone bis(2-hydroxyethyl ether), 1,4-butanediol, adipic acid polymer | | adipic acid, polymer with 1,4-butanediol, methylenedi-p-phenylene isocyanate an | | d 2,2'-(p- phenylenedioxy)diethanol | | polyurethane y-221 | | y 221 | | adipic acid, polymer with 1,4-butanediol,methylenedi-p-phenylene isocyanate and 2,2'-(p-phenylenedioxy)diethanol | | Hexanedioic acid,polymer with 1,4-butanediol,1,1'-methylenebis[4-isocyanatobenzene] and 2,2'-[1,4-phenylenebis(oxy)]bis[ethanol] | | Diphenylmethane-4,4'-diisocyanate,hydroquinone bis(2-hydroxyethyl ether),1,4-butanediol,adipic acid polymer |
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