81380
聚丙二醇
P 2,000
别名:
PPG
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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:
Bp:
287.6 °C/
Vapor pressure:
<0.01 hPa ( 20 °C)
SMILES string
O(C(CO)C)CC(O)C
InChI
1S/C6H14O3/c1-5(8)4-9-6(2)3-7/h5-8H,3-4H2,1-2H3
InChI key
DUFKCOQISQKSAV-UHFFFAOYSA-N
vapor pressure
<0.01 hPa ( 20 °C)
form
liquid
mol wt
Mn 1513
refractive index
n20/D 1.451
viscosity
~450 mPa.s(20 °C)
bp
287.6 °C/
solubility
water: miscible (completely)
density
1.00 g/mL at 20 °C
Quality Level
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General description
聚丙二醇是丙二醇和水的加成聚合物。它由化学式HO(C3H6O)nC3H6OH进行表示，其中n代表氧丙烯基团的平均数。聚丙二醇可溶于水和某些有机溶剂中（例如脂族酮和醇），不溶于醚和大多数脂族烃。
Application
聚丙二醇（PPG）被广泛用作消泡剂。例如，它可以用来控制苏云金芽孢杆菌基生物农药生产（从污水污泥中分离）中的泡沫。
它可以用于制备聚氨酯（PU）弹性体。例如，它可以用于合成具有良好吸声性能的 PU 弹性体。
PPG-2000 可作为柔性链段用于制备PU 基自修复聚合物网络。这些网络在软电子领域得到了应用。
它可以用于制备聚氨酯（PU）弹性体。例如，它可以用于合成具有良好吸声性能的 PU 弹性体。
PPG-2000 可作为柔性链段用于制备PU 基自修复聚合物网络。这些网络在软电子领域得到了应用。
Features and Benefits
- 长而灵活的烷基促进链的迁移，这有利于快速自愈。
- 存在于聚合物两侧的甲基改善了水中的乳化性。
存储类别
10 - Combustible liquids
wgk
WGK 1
flash_point_f
445.0 °F - closed cup
flash_point_c
229.44 °C - closed cup
ppe
Eyeshields, Gloves
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