Process for making polymer filaments which have a high tensile strength and a high modulus
US4344908A · kind A · utility
107Cited by
9References
8Claims
0Family size
Assignee
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Key dates
| Filing date | Feb 6, 1980 |
| Grant date | Aug 17, 1982 |
| Priority date | — |
| Expiry date | Feb 6, 2000 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/2913
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A process for making polymer filaments which have a high tensile strength and a high modulus by stretching a polymer filament which contains an appreciable amount of polymer solvent at a temperature between the swelling point and the melting point of the polymer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.