Propoxylated fatty amine ethoxylate surfactants as glass fiber dispersants for the manufacture of uniform glass fiber mats
US5409574A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Feb 10, 1994 |
| Grant date | Apr 25, 1995 |
| Priority date | — |
| Expiry date | Feb 10, 2014 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD21H17/07
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
In accordance with the present invention, there is provided herein improved glass fiber dispersions for making uniform glass fiber mats by the wet-laid process. The well dispersed glass fiber compositions of this invention usually are prepared by mixing chopped glass fiber bundles in water with a small amount of a propoxylated fatty amine ethoxylate surfactant to disperse the bundles into individual fibers. As a feature of the invention, the dispersions may be formed at relatively high glass fiber consistencies. The resultant dispersions are characterized by low foaming and can be used to make very high quality glass fiber mats at high rates of production.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.