Process for sizing filament yarn utilizing an improved warp size composition of PVal, urea and saccharide
US4251403A · kind A · utility
6Cited by
1References
10Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 5, 1979 |
| Grant date | Feb 17, 1981 |
| Priority date | — |
| Expiry date | Dec 5, 1999 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/2969
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
An improved warp size for filament yarn is provided consisting essentially of polyvinyl alcohol, urea, and mono- and di-saccharides, such as sucrose, which when applied to filament yarn from aqueous solution provides excellent abrasion resistance, low shedding, freedom from skinning, and outstanding ease of removal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.