Laminate overlay with press plate protection and methods of...

B - Operations – Transporting – 44 – C

Patent

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B44C 5/04 (2006.01) B32B 27/12 (2006.01) D21H 27/28 (2006.01)

Patent

CA 2413924

Disclosed is a method of producing a resin-impregnated grit-containing overlay for laminates. The overlay provides both abrasion resistance and reduced press plate damage. The method comprises impregnating a grit-containing overlay with a thermosetting resin composition comprising an incured thermosetting resin and fiber and drying and, optionally partially curing the impregnated substrate. The fiber is typically alpha cellulose fiber.

La présente invention concerne un procédé de production d'un revêtement pour stratifiés, qui est imprégné de résine et contient des grains. Ce revêtement permet à la fois d'assurer une résistance à l'abrasion et de réduire les dommages causés par la plaque de presse. Ledit procédé consiste à imprégner un revêtement contenant des grains d'une composition de résine thermodurcissable, qui est constituée d'une résine thermodurcissable non durcie et de fibres, à sécher, puis, éventuellement, à faire durcir partiellement le substrat imprégné. Lesdites fibres sont généralement des fibres d'alpha-cellulose.

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