D - Textiles – Paper – 04 – H
Patent
D - Textiles, Paper
04
H
92/62, 134/4.1
D04H 1/64 (2006.01) D04H 1/04 (2006.01)
Patent
CA 1118659
ABSTRACT OF THE DISCLOSURE A three component adhesive is used for nonwoven web in combination with a water based lotion containing borate ions. The adhesively bonded web has substantial tensile strength while saturated with the lotion for extended periods of time (e.g., months) and is water dispersible when exposed to a large volume of water. The three component adhesive system provides the tensile strength for the web during prolonged exposure to the water based lotion even under extreme temperature conditions. The components of the adhesive composition applied to the web are polyvinyl alcohol, a non-self-cross-linking, thermosetting, polymer emulsion and a self-cross-linking thermosetting polymer emulsion. An organic acid capable of complexing with borate, such as .alpha.-hydroxy acids or o-aromatic hydroxy acids, when in combination with borate ions in the lotion produces a synergistic effect upon the PVA adhesive in the web.
306977
Scott Paper Company
Sim & Mcburney
LandOfFree
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