406775
Poly[(phenyl glycidyl ether)-co-formaldehyde]
average Mn ~345
Synonym(s):
Phenol-formaldehyde polymer glycidyl ether, Phenol-formaldehyde polymer, oxiranylmethyl ether
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About This Item
CAS Number:
UNSPSC Code:
12162002
PubChem Substance ID:
NACRES:
NA.23
MDL number:
form
liquid
specific activity
2.2 epoxide groups per molecule
mol wt
average Mn ~345
refractive index
n20/D 1.589
viscosity
11-17 poise(lit.)
density
1.227 g/mL at 25 °C (lit.)
SMILES string
[H]C([H])=O.C1OC1COc2ccccc2
InChI
1S/C9H10O2.CH2O/c1-2-4-8(5-3-1)10-6-9-7-11-9;1-2/h1-5,9H,6-7H2;1H2
InChI key
HOHFCSNKEFBITP-UHFFFAOYSA-N
General description
Poly [(phenyl glycidyl ether)-co-formaldehyde] (Re2O7) is a strong oxidant and a highly selective Lewis acid catalyst. The structure is constituted of strongly distorted ReO4 octahedra and nearly regular ReO4 tetrahedra which are connected through corners to form polymeric double layers in the ac plane.
Application
Re2O7 acts as a catalyst in the heteroacylative dimerization of THF.Adhesives, structural and electrical laminates and coatings and castings for high temperature service.
Features and Benefits
Good chemical resistance at high temperatures. Substitutes for Bisphenol A and phenolic epoxy resins.
Physical form
Oligomeric epoxide.
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Storage Class
11 - Combustible Solids
wgk
WGK 2
flash_point_f
Not applicable
flash_point_c
Not applicable
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