Compositions for imparting desired properties to materials

Details Compositions for imparting desired properties to materials Compositions for imparting desired properties to materials

C - Chemistry, Metallurgy

09

D

C09D 201/02 (2006.01) C08L 79/02 (2006.01) C09D 179/02 (2006.01) C23C 22/34 (2006.01) D04H 1/64 (2006.01) D21H 17/55 (2006.01) D21H 19/20 (2006.01) D21H 19/30 (2006.01)

Patent

CA 2378841

The present invention relates to aqueous compositions comprising component (A) which comprises at least one water-soluble component comprising at least one functional group that undergoes a crosslinking reaction, preferably upon drying and/or heating; and component (B) which comprises at least one film-forming material. In particular the composition is a coating composition comprising: (A) at least one polyamidoamine-epihalohydrin resin; and (B) at least one material selected from flexibilizing materials, crosslink inhibiters and combinations thereof in an amount sufficient to impart a cuttability value of less than about 15 to a substrate coated with the coating composition. Component (B) is preferably at least one polymer comprising repeating units derived from an alkyl halide having at least one double bond and an alkene, such as ethylene vinyl chloride. Coated substrates such as coated building units, such as ceiling tiles and wall boards, as well as methods of producing such coated substrates are also provided.

La présente invention concerne des compositions aqueuses comprenant un composé (A) qui comprend au moins un composé soluble dans l'eau lequel comprend au moins un groupe fonctionnel soumis à une réaction de réticulation, de préférence, par séchage et/ou chauffage; et un composé (B) comprenant au moins un matériau de formation de film. La composition est une composition de revêtement comprenant : (A) au moins une résine polyamidoamine-épihalohydrine; et (B) au moins un matériau choisi parmi des matériaux flexibilisateurs, des inhibiteurs de réticulation et des combinaisons de ceux-ci dans une quantité suffisante pour imprimer une valeur d'aptitude au découpage inférieure à 15 à un substrat revêtu de cette composition de revêtement. Le composé (B) est de préférence au moins un polymère comprenant des unités répétées dérivées d'un halogénure d'alkyle possédant au moins une double liaison et un alcène, telle qu'un éthylène chlorure de vinyle. L'invention concerne également des substrats revêtus tels que des unités de construction revêtues, des dalles de plafond et des panneaux de parois, ainsi que des procédés de production de ces substrats revêtus.

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