202320
Poly(propylene glycol)
average Mn ~1,000
Synonym(s):
PPG, Poly(propylene oxide)
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About This Item
Linear Formula:
H[OCH(CH3)CH2]nOH
CAS Number:
MDL number:
UNSPSC Code:
12162002
PubChem Substance ID:
NACRES:
NA.23
vapor pressure:
<0.01 mmHg ( 20 °C)
Recommended Products
vapor density
>1 (vs air)
Quality Level
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
SMILES string
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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General description
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.
Application
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.
Storage Class
10 - Combustible liquids
wgk_germany
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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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
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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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