202320
聚(丙二醇)
average Mn ~1,000
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:
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 ~1,000
contains
130-190 ppm proprietary phenolic antioxidant
refractive index
n20/D 1.449
viscosity
150 cSt(25 °C)(lit.)
hydroxyl value
111 mg KOH/g
solubility
water: miscible (completely)
density
1.005 g/mL at 25 °C
Quality Level
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General description
聚(丙二醇)（PPG）是一种生物相容性聚合物，被广泛用作制备生物医学材料的前体。低温时可溶于水，高温时不溶于水。
Application
聚(丙二醇)可用作：
- 前体，用于合成用于各种生物医学应用的多嵌段热响应智能聚合物。PPG 的存在是这些聚合物具有热敏性的主要原因。例如，它可用于合成聚酯聚氨酯。
- 用于剑麻纤维的表面改性，以提高成核能力。
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
Chang-Chin Wu et al.
Journal of biomedical materials research. Part B, Applied biomaterials, 105(8), 2232-2243 (2016-07-23)
Despite its common usage in vertebral augmentation procedures (VAPs), shortcomings of commercial polymethylmethacrylate (PMMA) still remain. Accordingly, injectable and biodegradable composite cements, which are composed of poly(propylene fumarate)/α-tricalcium/hydroxyapatite (PPF/α-TCP/HAP) and PPF/tetracalcium phosphate/dicalcium phosphate (PPF/TtCP/DCP), were developed. A porcine model was
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
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
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
Daimei Chen et al.
Journal of hazardous materials, 235-236, 186-193 (2012-08-14)
TiO(2) pillared clay materials were prepared by montmorillonite (Mt) and acidic solutions of hydrolyzed Ti alkoxides in the presence of high-molecular-weight polyoxypropylene (POP)-backboned di-quaternary salts (POP). The as-prepared materials were characterized by means of XRD, FTIR, TG-DTA, XRF, specific surface
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