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CAS: 9016-87-9
分子式: C6H4(NCO)CH2C6H4(NCO)C8H5NO)X
分子量: 350-400
沸点: 392℃(5 t
中文名称: 
多亚甲基多苯基多异氰酸酯
多苯基多次甲基多异氰酸酯
粗MDI
聚亚甲基聚芳基异氰酸酯
英文名称: 
polymethyl polyphenyl polyisocyanate
rubinate m
polyphenylpolymethylene polyisocyanate
polyphenylene polymethylene polyisocyanate
polymethylenepolyphenylene polyisocyanate
polymethylenepolyphenylene isocyanate polymer
polymethylene polyphenylisocyanate
polymethylene polyphenylene isocyanate
polymethylene polyphenyl polyisocyanate
polymethylene polyphenyl isocyanate
polymethylene poly(phenyl isocyanate)
rubinate mf 178
polymeric mdi
polymeric isocyanate
polymeric diphenylmethane diisocyanate
polymeric diphenyl methylene diisocyanate
poly(phenylenemethylene isocyanate)
poly(methylene phenylene isocyanate)
pmppi
papi 901
papi 580
papi 27
thanate p 210
polymethylene polyaryl isocyanate
isocyanuricacidpolymethylenepolyphenylisocyanate
isocyanuric acid polymethylene polyphenyl isocyanate
isocyanuric acid polymethylene polyphenyl
isocyanuric
Poly [methylene(polyphenyl iso-cyanate)]
Isocyanic acid,polymethylenepolyphenylene ester
poly((phenyl isocyanate)-co-formaldehyde)
thanate p 270
thanate p 220
papi 20
tedimon 31
takenate 300c
systanate mr
systanat mr
suprasec dc
suprasec 1042
sumidur 44vm
sumidur 44v20
sumidur 44v10
rubinate mf 182
isoset cx 11
millionate 300
mdi-cr 300
mdi-cr 200
mdi-cr 100
mdi-cr
luprinate m 20
lupranate m 70
lupranate m 20S
lupranate m 10
kaiser nco 20
millionate mr
isonate 390p
isocyanate de polymethylene et de polyphenyle
isocyanate 580
isobind 100
e 534
desmodur pu 1520a20
desmodur 44v20
cr 200
coronate mr 200
polymethylenepolyphenyl isocyanate
mondur e 541
papi 135
papi
niax afpi
nco 20
mr 2000
mr 200
mondur mrs 10
mondur mrs
mondur mr 200
mondur mr
Isocyanic acid, polymethylenepolyphenylene ester
mondur e 441
mondur e 429
mobay mrs
mirionate mr
millionate mr 500
millionate mr 400
millionate mr 340
millionate mr 300
millionate mr 200
millionate mr 100
性质描述: 褐色透明液体。相对密度为1.200,折光率1.6240。蒸气压(25℃)为2.13×10-5kPa。
生产方法: 将苯胺和甲醛按摩尔比1.6-2.0:1配合,再配入盐酸作为缩作催化剂,加入缩合器中,于90-110℃反应30-60min,得到一定比例二苯基甲烷-4,4'-二胺和多次甲基多苯基甲胺,再经光气化、分离、提纯即可得PAPI和MDI。原料消耗定额:甲醛(100%)150kg/t、苯胺750kg/t、光气850kg/t。
用途: 用于制聚氨酯材料,广泛应物于建筑行业、汽车工业、电器工业等作保温材料或垫褥等。
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