433497
聚(丙二醇)，甲苯基-2,4-二异氰酸酯封端
average Mn ~2,300 (narrow MW distribution), isocyanate ~3.6 wt. %
别名:
甲苯二异氰酸酯-聚丙二醇共聚物, 聚丙二醇-甲苯二异氰酸酯共聚物
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关于此项目
化学文摘社编号:
UNSPSC Code:
12162002
PubChem Substance ID:
NACRES:
NA.23
MDL number:
form
viscous liquid
Quality Segment
mol wt
average Mn ~2,300 (narrow MW distribution), degree of polymerization ~34
composition
isocyanate, ~3.6 wt. %
hardness
80 (Shore A, reacted with MOCA)
impurities
<0.1% residual TDI
refractive index
n20/D 1.4742
viscosity
≤1,700 cP(40 °C)(lit.)
density
1.05 g/mL at 25 °C
SMILES string
CC(O)CO.Cc1ccc(cc1N=C=O)N=C=O
InChI key
SKQGWWNTEKONHY-UHFFFAOYSA-N
Application
导辊和粘合剂加工垫。
Features and Benefits
粘度比常规聚氨酯低聚物更低。芳族异氰酸酯比脂族异氰酸酯更加活泼。芳族异氰酸酯的光稳定性不如脂族异氰酸酯。
Physical form
聚氨酯预聚物。
signalword
Danger
Hazard Classifications
Acute Tox. 4 Dermal - Acute Tox. 4 Inhalation - Acute Tox. 4 Oral - Eye Irrit. 2 - Resp. Sens. 1 - Skin Irrit. 2 - Skin Sens. 1 - STOT SE 3
target_organs
Respiratory system
存储类别
10 - Combustible liquids
wgk
WGK 3
flash_point_f
235.4 °F - closed cup
flash_point_c
113 °C - closed cup