Method for externally sizing fibrous materials
US6482886B1 · kind B1 · utility
17Cited by
14References
17Claims
0Family size
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Key dates
| Filing date | Sep 3, 1998 |
| Grant date | Nov 19, 2002 |
| Priority date | — |
| Expiry date | Sep 3, 2018 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD21H17/43
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
Fibrous product is externally sized by applying to the material a basic aqueous dispersion of an interpolymer of an ethylenically unsaturated monomer and an ethylenically unsaturated carboxylic acid comonomer. The preferred dispersions which have lower initial viscosities provide dispersion/starch dilute solutions with higher viscosities and improved external sizing effectiveness. Resulting fibrous products are adequately sized and exhibit excellent printability and strength properties.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.