Fiber treatment agent, carbon fibers treated with fiber treatment agent, and carbon fiber composite material containing said carbon fibers
US10066337B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 6, 2014 |
| Grant date | Sep 4, 2018 |
| Priority date | — |
| Expiry date | Mar 7, 2034 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD06M2200/12
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
An object of the present invention is to provide a fiber treatment agent that is capable of forming on fibers a film that has excellent water resistance and excellent adhesion to a matrix resin. The present invention provides a fiber treatment agent comprising an aqueous medium, a water-insoluble polyamide dispersed in the aqueous medium, and a water-soluble polyamide that is present in an amount of 2 to 50 parts by mass per 100 parts by mass of the water-insoluble polyamide.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.