Epoxy resin composition and article made therefrom
US10717807B1 · kind B1 · utility
Assignee
Inventor
Key dates
| Filing date | Apr 15, 2019 |
| Grant date | Jul 21, 2020 |
| Priority date | — |
| Expiry date | Apr 15, 2039 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08L2312/08
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Disclosed are an epoxy resin composition and an article made therefrom, the epoxy resin composition comprising an epoxy resin and a co-hardener, wherein: relative to the epoxy resin having a total equivalent of epoxy group of 1, the co-hardener comprises: (A) an acid anhydride having a total equivalent of acid anhydride group of 0.044-0.183; (B) a polyester having a total equivalent of ester group of 0.120-0.550; (C) a first phenolic resin having an equivalent of hydroxyl group of 0.092-0.550; and (D) a second phenolic resin having an equivalent of hydroxyl group of 0.143-0.592; and a sum of equivalent of functional groups of the co-hardener is 0.84-1.11.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.