Water-dispersible adhesive composition and process

Details Water-dispersible adhesive composition and process Water-dispersible adhesive composition and process

C - Chemistry, Metallurgy

09

J

C09J 167/00 (2006.01) C08G 69/44 (2006.01) C09J 177/12 (2006.01)

Patent

CA 2178825

Disclosed is a water-dissipatable or dispersible adhesive composition that is useful in forming paper articles and other products that can be recycled through repulping in both neural and alkaline media. The water-dispersible adhesive composition is preferably a hot melt adhesive that is a low molecular weight, branched copolyester containing a sulfomonomer. Additional utility for the invention resides in the manufacture of recyclable articles where insolubility in body fluids combined with solubility in tap water are required.

L'invention concerne une composition d'adhésif dispersible dans l'eau servant à former des articles en papier ou d'autres produits pouvant être recyclés par désintégration dans des milieux neutres et alcalins. Ladite composition d'adhésif dispersible dans l'eau est de préférence une colle thermofusible sous forme d'un copolymère ramifié, de bas poids moléculaire, contenant un monomère sulfoné. L'invention peut en outre être utilisée dans la fabrication d'articles recyclables pour lesquels l'insolubilité dans les fluides du corps et la solubilité dans l'eau du robinet sont requises.

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