Phosphorous-containing epoxy resins from a novel synthesis route
β Scribed by Ying Ling Liu
- Publisher
- John Wiley and Sons
- Year
- 2001
- Tongue
- English
- Weight
- 113 KB
- Volume
- 83
- Category
- Article
- ISSN
- 0021-8995
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## Abstract A fire retardant phosphorousβcontaining bisphenol compound, bis(3βdiethyl phosphonoβ4βhydroxyphenyl)βsulfide (DPHS), has been inserted in an epoxy network. In particular, a chain extension procedure has been used to incorporate DPHS into a standard bisphenol epoxy resin. Different amine
The synthesis of epoxy resins in the presence of Bi as bismuth acrylate (BiA 3 ) showed that the properties such as epoxide equivalent weight (eq/100 g), molecular weight, and viscosity ( h sp ) increased; whereas hydrolyzable chlorine content, hydroxyl content, and refractive index decreased in the
Novel phosphorus-containing epoxy resins (1-3% phosphorus content) were synthesized by the reaction of 9,10-dihydro-9-oxa-10-phosphaphenanthrene 10-oxide (DOPO) and the diglycidyl ether of bisphenol A and then cured with 4,4Π-diaminodiphenyl sulfone or phenol novolac. Differential scanning calorimet