FLAME RETARDING EPOXIES WITH PHOSPHORUS
โ Scribed by Jain, Preeti; Choudhary, Veena; Varma, I. K.
- Book ID
- 120559583
- Publisher
- Taylor and Francis Group
- Year
- 2002
- Tongue
- English
- Weight
- 477 KB
- Volume
- 42
- Category
- Article
- ISSN
- 1532-1797
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## Abstract A novel phosphorusโcontaining epoxy resin (EPNโD) was prepared by addition reaction of 9,10โdihydroโ9โoxaโ10โphosphaphenanthrene 10โoxide (DOPO) and epoxy phenolโ formaldehyde novolac resin (EPN). The reaction was monitored by epoxide equivalent weight (EEW) titration, and its structure
Epoxy resins containing phosphorus and/or silicon are prepared from phosphorus/silicon-containing epoxides and diamine curing agents. The flame-retardant properties of the phosphorus/silicon-containing epoxy were studied. Furthermore, the phosphorus-silicon synergistic effect on LOI enhancement and
China ## SYNOPSIS A new phosphorus-containing oxirane, bis-(3-glycidyloxy) phenylphosphine oxide (BGPPO), was synthesized. Further curing BGPPO with diamine curing agents, dicyanodiamide (DICY), 4,4'-diaminodiphenylmethane (DDM), and 4,4'-diaminodiphenylsulfone (DDS), respectively, resulted in se