Method of improving the wet tensile strength of glass fiber mats

Details Method of improving the wet tensile strength of glass fiber mats Method of improving the wet tensile strength of glass fiber mats

1981-09-14

1984-02-07

Smith, William F.

Paper making and fiber liberation

Processes and products

Mineral fiber

162158, 162166, 162167, D21H 518

Patent

active

044301588

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.

REFERENCES:
patent: 4178203 (1979-12-01), Chakrabarti
patent: 4258098 (1981-03-01), Bondoc et al.
patent: 4284470 (1981-08-01), Bondoc

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