202312
聚(丙二醇)
average Mn ~725
别名:
PPG, 聚环氧丙烷
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线性分子式:
H[OCH(CH3)CH2]nOH
化学文摘社编号:
NACRES:
NA.23
PubChem Substance ID:
UNSPSC Code:
12162002
MDL number:
Vapor pressure:
<0.01 mmHg ( 20 °C)
InChI
1S/C6H14O3/c1-5(8)4-9-6(2)3-7/h5-8H,3-4H2,1-2H3
SMILES string
CC(O)CO
InChI key
DUFKCOQISQKSAV-UHFFFAOYSA-N
vapor density
>1 (vs air)
vapor pressure
<0.01 mmHg ( 20 °C)
mol wt
average Mn ~725
contains
130-190 ppm proprietary phenolic antioxidant
refractive index
n20/D 1.449
viscosity
115 cSt(25 °C)(lit.)
hydroxyl value
147 mg KOH/g
solubility
water: miscible (completely)
density
1.007 g/mL at 25 °C
Quality Level
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Application
- 废料回收：利用丙二醇回收废旧聚氯乙烯，提高新型聚合物复合材料的机械性能（Hilary et al., 2021）。
- 牙科复合材料改善：通过使用聚(丙二醇)和聚氨酯二甲丙烯酸酯提高牙科复合材料的转化率，同时也检查细胞相容性（Walters et al., 2016）。
- 支架3D打印：在可吸收组织工程支架的3D打印中使用聚富马酸丙烯和丙二醇，展示了医疗应用中的创新技术（Childers et al., 2015）。
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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In the last few decades, nanotechnology has led to an advance in the development of topical drug delivery. Nanostructured drug delivery systems enable the compartmentalization of drugs in restricted environments, modifying the release profile and maintaining the required drug concentration
John Texter et al.
Macromolecular rapid communications, 33(1), 69-74 (2011-12-03)
The controlled atom transfer radical polymerization of an ionic liquid, 1-(11-acryloylundecyl)-3-methyl imidazolium bromide (ILBr), from both ends of a telechelic poly(propylene oxide) (PPO) macroinitiator, end-functionalized with bromoisobutyryloyl is reported. The resulting highly water-soluble triblock, poly(ILBr-b-PO-b-ILBr) is multistimuli responsive. This new
Celeste R Brennecka et al.
World neurosurgery, 78(5), 469-480 (2011-11-29)
Current treatments for cerebral aneurysms are far from ideal. Platinum coils are prone to compaction, and currently used liquid embolics are delivered with angiotoxic agents. This work presents initial in vivo studies of a novel liquid-to-solid gelling polymer system (PPODA-QT)
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
Chih Hao Chang et al.
Bio-medical materials and engineering, 22(6), 373-382 (2012-11-02)
Segmented polyurethane (SPU) materials based on different soft-segment component (PPG, PTMO and PBA) and various length of soft-segment (molecular weight of PBA: 500, 700 and 1000) were synthesized in this research. The soft-segment components were synthesized from polyether-polyols (PPG and
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