HMDI的精選

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用“HMDI”造句大全，HMDI造句

用“HMDI”造句大全，HMDI造句

2018-07-20
Hexamethylenediisocysnate(HMDI)maybeusedinprepolymer,inplaceofTDI.Theonestepmethodwasadoptedinthisstudytosynthesizealiphaticpolyurethanewith4,4methylenedicyclohexyldiisocyanate(HMDI),1,4butanediol(BDO...