Compositions for impregnating paper products and natural...

B - Operations – Transporting – 32 – B

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B32B 9/04 (2006.01) B32B 27/06 (2006.01) B32B 27/10 (2006.01) C08K 3/22 (2006.01) C08K 3/36 (2006.01) C09D 4/02 (2006.01) C09D 5/04 (2006.01)

Patent

CA 2622992

Disclosed are compositions which are curable using ultraviolet and visible radiation. In addition, the disclosed compositions are suitable for applying to fiber substrates, such as, but not limited to, paper product and natural fiber fabrics. In addition, methods are disclosed for applying the composition to fiber substrates, or at least a portion of the fiber substrates, and curing of the applied composition to obtain partially or fully cured compositions. Furthermore, articles of manufacture incorporating fully cured compositions are disclosed, including, for example paper; such articles of manufacture are resistant to water, including retention of structural integrity, print and brightness upon prolonged exposure to water. Also disclosed are methods, processes, production lines, assemblages, and factories which incorporate these curable compositions.

Cette invention concerne des compositions polymérisables à l~aide d~un rayonnement ultraviolet et visible. Les compositions décrites sont destinées à une application à des substrats de fibres, notamment, mais sans s~y limiter, des articles en papier et des tissus en fibres naturelles. Cette invention concerne également des procédés d~application des compositions à des substrats de fibres, ou au moins à une partie de ceux-ci, et de polymérisation des compositions appliquées pour obtenir des compositions partiellement ou totalement polymérisées. En outre, cette invention concerne des articles fabriqués intégrant des compositions totalement polymérisées, notamment, par exemple, en papier, de tels articles étant résistants à l~eau, conservant leur intégrité structurale, leur imprimé et leur degré de blancheur en cas d~exposition prolongée à l~eau. Enfin, cette invention concerne des procédés, des lignes de production, des assemblages et des usines utilisant ces compositions polymérisables.

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