Hydrophilic fiber and non-woven fabric, and processed non-woven products made therefrom
US6436855B1 · kind B1 · utility
37Cited by
8References
14Claims
0Family size
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Key dates
| Filing date | Sep 11, 2000 |
| Grant date | Aug 20, 2002 |
| Priority date | — |
| Expiry date | Jan 24, 2021 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T442/681
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A hydrophilic fiber comprising a thermoplastic resin, wherein 0.1-1.5% by weight of a fiber-finishing agent adheres to the fiber, the fiber-finishing agent containing 50-80% by weight of component A consisting of polyoxyethylene alkyl ether represented by the following general formula (1), 10-40% by weight of component B consisting of at least one quaternary ammonium phosphate salt selected from a group of salts represented by following general formulas (2) and (3), and 3-20% by weight of component C consisting of polyorganosiloxane represented by the following general formula (4).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.