Patent · US Active

Adduct thermosetting surfacing film and method of forming the same

US9725567B2 · kind B2 · utility

2Cited by

4References

17Claims

0Family size

Assignee

Mitsubishi Chemical Carbon Fiber and Composites, Inc. · US

Inventors

Qiang Wang · Karlsruhe, DE
Ito Akihiro · Irvine, US
Paul Kyle · Tucson, US
Augusto Arakaki · Irvine, US
Catalina Gutierrez · Irvine, US

Key dates

Filing date	Nov 3, 2011
Grant date	Aug 8, 2017
Priority date	—
Expiry date	Aug 2, 2032

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08J2363/04
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

In various embodiments, the invention provides an in-situ adduct formed by reacting liquid, solid, and/or semi-solid epoxy resins with a di-carboxylic acid functionalized polymer. The adducting process at least doubles the viscosity of the mixture. A hot melt thermosetting surfacing film and composite formed using the adduct are also disclosed. Methods of preparing and using are also disclosed.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.