Method of improving the wet tensile strength of glass fiber mats
US4430158A · kind A · utility
19Cited by
3References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 14, 1981 |
| Grant date | Feb 7, 1984 |
| Priority date | — |
| Expiry date | Sep 14, 2001 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD21H13/40
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
What is described herein is a method of improving the wet tensile strength of sized glass fiber mats characterized by forming the mat from a plurality of glass fibers and a binder composition therefor which consists essentially of a urea-formaldehyde resin and about 0.01 to 5% by weight of a surfactant which is both highly water soluble and which wets the surfaces of sized glass fibers. The preferred surfactant is an anionic surfactant such as a sodium dodecylbenzene sulfonate. The glass mats thus made retained up to 79% of their tensile strength upon being subjected to severe wet conditions.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.