202304
聚(丙二醇)
average Mn ~425
别名:
PPG, 聚环氧丙烷
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关于此项目
线性分子式:
H[OCH(CH3)CH2]nOH
化学文摘社编号:
MDL编号:
UNSPSC代码:
12162002
PubChem化学物质编号:
NACRES:
NA.23
蒸汽密度
>1 (vs air)
质量水平
蒸汽压
<0.01 mmHg ( 20 °C)
分子量
average Mn ~425
包含
130-190 ppm proprietary phenolic antioxidant
折射率
n20/D 1.447
粘度
80 cSt(25 °C)(lit.)
羟基值
263 mg KOH/g
溶解性
water: miscible (completely)
密度
1.004 g/mL at 25 °C
SMILES字符串
CC(O)CO
InChI
1S/C6H14O3/c1-5(8)4-9-6(2)3-7/h5-8H,3-4H2,1-2H3
InChI key
DUFKCOQISQKSAV-UHFFFAOYSA-N
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应用
聚(丙二醇)可用：
- 增塑剂，因为它不结晶，具有较低的玻璃化转变温度，并具有生物相容性。例如，它可以用于聚乳酸的塑化。
- 制备从盐单胞菌细胞中回收 Ectoine 的水双相体系。
- 研究超分子聚合物（PPG）向常规聚合物（PPO）的虚拟转变。
储存分类代码
10 - Combustible liquids
WGK
WGK 1
闪点(°F)
445.0 °F - closed cup
闪点(°C)
229.44 °C - closed cup
个人防护装备
Eyeshields, Gloves
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There are various arguments and models connecting the characteristic length associated with the boson peak vibrations ξ to the length scale of dynamical heterogeneity L(het). ξ is usually defined as the ratio of the transverse sound velocity to the boson
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In spite of extensive studies conducted on carbon nanotubes and silicate layers for their polymer-based nanocomposites, the rise of graphene now provides a more promising candidate due to its exceptionally high mechanical performance and electrical and thermal conductivities. The present
R De Lisi et al.
Physical chemistry chemical physics : PCCP, 13(27), 12571-12577 (2011-06-15)
The study highlighted the main forces driving the formation of hydroxypropyl-cyclodextrins (HP-CDs) + poly(propylene) glycol 725 g mol(-1) inclusion complexes. The temperature parameter was chosen as the variable to modulate the hydrophobicity of the polymer, and consequently ITC experiments as
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