Process for the preparation of an acrylonitrile copolymer and product prepared therefrom
US5708111A · kind A · utility
2Cited by
13References
4Claims
0Family size
Inventor
Key dates
| Filing date | Oct 10, 1996 |
| Grant date | Jan 13, 1998 |
| Priority date | — |
| Expiry date | Oct 10, 2016 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD01F6/18
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A process for the rapid precipitation polymerization of acrylonitrile and a minor amount of a vinyl carboxylic acid comonomer in an environment of less than 10 ppm metal-ions to produce an acrylonitrile copolymer which, when pyrolyzed in an oxidizing atmosphere, produces a high quality carbon fiber.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.