Thermal process for stretch-orientation of polyaniline films and fibers
US4913867A · kind A · utility
9Cited by
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31Claims
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Key dates
| Filing date | Feb 2, 1989 |
| Grant date | Apr 3, 1990 |
| Priority date | — |
| Expiry date | Feb 2, 2009 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08J2379/02
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A process to produce oriented, crystalline polyaniline films using simultaneous heat treatment and stressing of polyaniline films. Films stressed while being held at elevated temperatures (T.gtoreq.110.degree. C.), showed anisotropic x-ray, IR and visible optical response.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.