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Poly(propylenglycol)
average Mn ~1,000
Synonym(e):
PPG, Poly-(propylenoxid)
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About This Item
Lineare Formel:
H[OCH(CH3)CH2]nOH
CAS-Nummer:
MDL-Nummer:
UNSPSC-Code:
12162002
PubChem Substanz-ID:
NACRES:
NA.23
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Dampfdichte
>1 (vs air)
Qualitätsniveau
Dampfdruck
<0.01 mmHg ( 20 °C)
Mol-Gew.
average Mn ~1,000
Enthält
130-190 ppm proprietary phenolic antioxidant
Brechungsindex
n20/D 1.449
Viskosität
150 cSt(25 °C)(lit.)
Hydroxylzahl
111 mg KOH/g
Löslichkeit
water: miscible (completely)
Dichte
1.005 g/mL at 25 °C
SMILES String
CC(O)CO
InChI
1S/C6H14O3/c1-5(8)4-9-6(2)3-7/h5-8H,3-4H2,1-2H3
InChIKey
DUFKCOQISQKSAV-UHFFFAOYSA-N
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Allgemeine Beschreibung
Poly(propylene glycol) (PPG) is a biocompatible polymer widely used as a precursor to fabricate biomedical materials. It is soluble in water at low temperatures and becomes insoluble at high temperatures.
Anwendung
Poly(propylene glycol) can be used:
- As a precursor to synthesize multiblock thermo-responsive smart polymers for various biomedical applications. The presence of PPG is the main reason for the thermosensitivity of these polymers. For example, it can be used to synthesize poly(ester urethane)s.
- For the surface modification of sisal fiber to enhance nucleating ability.
Lagerklassenschlüssel
10 - Combustible liquids
WGK
WGK 1
Flammpunkt (°F)
445.0 °F - closed cup
Flammpunkt (°C)
229.44 °C - closed cup
Persönliche Schutzausrüstung
Eyeshields, Gloves
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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
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
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
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L Hong et al.
Physical review. E, Statistical, nonlinear, and soft matter physics, 83(6 Pt 1), 061508-061508 (2011-07-30)
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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