英文名称:Methylene diphenyl diisocyanate 英文别名:1,1-methylenebis(4-isocyanatobenzene); Methylenebis(phenylisocyanate); nocconate 300; 4,4'-diphenyl methane diisocyanate; 4,4'-Methylene bisphenyl isocyanate; 4,4'-methylenedi(4,1-phenylene) isocyanate; 4,4'-Methylenediphenyl diisocyanate; bis(p-isoc...
fiber, dyes, and rubber. 4,4'-Methylenedianiline is also a by-product of azo dyes. It is also possibly formed by hydrolysis of diphenylmethane-4A'-diisocyanate. Chemical Properties 4,4-Diaminodiphenylmethane is a pale yellow crystalline solid (turns light brown on contact with air) with a ...
Production of methylene diphenyl diisocyanate (MDI), which is used to produce polyurethanes; hardening agent for epoxy resins, anticorrosive materials, printed circuit parts, dyestuff intermediates, filament-wound pipe, and wire coatings Preparation 93 g (1 mole) of aniline are dissolved in 96 % alc...
fiber, dyes, and rubber. 4,4'-Methylenedianiline is also a by-product of azo dyes. It is also possibly formed by hydrolysis of diphenylmethane-4A'-diisocyanate. Chemical Properties4,4-Diaminodiphenylmethane is a pale yellow crystalline solid (turns light brown on contact with air) with a fai...