Back
HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 967689Generated: October 26, 2026

EP-302 → Bis(4-hydroxyphenyl)phenylphosphine Oxide EPON 828

https://huagongshe.com/reaction/967689

Reaction equation

Participants

RoleNameHCIDCharge
ReactantEP-302HCID 62790—
Reactantp,p'-(Phenylphosphinylidene)bisphenolHCID 69930—
Solvent1-Methoxy-2-propanolHCID 7900—
ProductBis(4-hydroxyphenyl)phenylphosphine Oxide EPON 828HCID 131725191—

Reaction Steps

Bis(4-hydroxyphenyl)phenylphosphine oxide (196.0 g) and EPON 828 (782.0 g) were heated at 170° C. for 40 min. The clear dark brown resin was then diluted with 218 g of PGME and filtered hot through a pad of glass wool. Solution EEW: 454; % Solids: 88.7.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06955851B2
Source datasetuspto-grants-2005_10
ORD IDord-93620b649522495581d065ea13a6552d
Source noteuspto-grants-2005_10