Pvp creping adhesives and creping methods using same

Details Pvp creping adhesives and creping methods using same Pvp creping adhesives and creping methods using same

D - Textiles, Paper

21

H

D21H 21/14 (2006.01)

Patent

CA 2543853

A method for manufacturing a creped fiber web is described in which an adhesive contains at least one type of polyvinylpyrrolidone and contains substantially no ethoxylated acetylenic diol, and substantially no oxazoline polymer. The adhesive is used to adhere a fiber web to a dryer surface for drying the fiber web, and then creping the dried fiber web from the dryer surface. Also described are creping adhesives that do not contain chloride or epichlorohydrin.

L'invention porte sur un procédé de fabrication d'une bande en fibres crêpée dans laquelle un adhésif contient au moins une sorte de polyvinylpyrrolidone, ne contient pratiquement pas de diol acétylénique éthoxy, et ne contient pratiquement pas de polymère oxazoline. Cet adhésif sert à coller une bande de fibres sur une surface de séchoir afin de sécher la bande de fibres, puis à crêper des adhésifs qui ne contiennent pas de chlorure ou d'épichlorohydrine.

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