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.)
沸点
287.6 °C
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
Celeste R Brennecka et al.
Journal of biomedical materials research. Part B, Applied biomaterials, 100(5), 1298-1309 (2012-04-20)
This study examines the in vitro characteristics of a crosslinking polymer system for cerebral aneurysm embolization. The polymeric material is composed of poly(propylene glycol)diacrylate (PPODA) and pentaerythritol tetrakis(3-mercaptopropionate) (QT), formulated with the liquid contrast agents Conray™ or Omnipaque™ 300. The
Claudio Poggio et al.
Journal of endodontics, 38(9), 1239-1243 (2012-08-16)
The objective of this study was to evaluate and compare in vitro the decalcifying capability on root canal dentin of 4 different irrigating solutions. Twenty-five freshly extracted maxillary central incisors were selected. The canals were prepared to obtain a total
Zhiyong Zhao et al.
Chemical communications (Cambridge, England), 48(78), 9753-9755 (2012-08-25)
The designed DNA sequences can make DNA-b-PPO undergo in situ transition between diblock and triblock upon pH changes, consequently, induce a morphology-shifting from spherical micelles to nanofibers. This process is reversible and the assembled structures have been characterized by CD
Jessalyn Cortese et al.
Journal of the American Chemical Society, 134(8), 3671-3674 (2012-02-11)
We show here that complementary interactions can suppress mesoscopic order and thus lead to a counterintuitive change in material properties. We present results for telechelic supramolecular polymers based on poly(propylene oxide) (PPO), thymine (Thy), and diaminotriazine (DAT). The self-complementary systems
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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