Copoly(p-phenylene terephthalamide/2,6-naphthalamide)aramid yarn
US4698414A · kind A · utility
11Cited by
4References
7Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Sep 16, 1986 |
| Grant date | Oct 6, 1987 |
| Priority date | — |
| Expiry date | Sep 16, 2006 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31732
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Yarns of copoly(p-phenylene terephthalamide/2,6-naphthalamide) are disclosed which exhibit toughness and tenacity greater than the toughness and tenacity of yarns of poly(p-phenylene terephthalamide) having the same dimensions and made by the same process.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.