Finish for glass fiber fabric

B - Operations – Transporting – 01 – D

Patent

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Details

B01D 39/08 (2006.01) B01D 39/16 (2006.01) B01D 39/20 (2006.01) B01D 46/02 (2006.01) B05D 5/00 (2006.01) B32B 27/04 (2006.01) C03C 25/26 (2006.01) C03C 25/30 (2006.01) C03C 25/36 (2006.01) C03C 25/50 (2006.01) C03C 25/70 (2006.01) C07C 41/00 (2006.01) D06M 13/165 (2006.01) D06M 13/17 (2006.01) D06M 13/513 (2006.01) D06M 15/256 (2006.01) D06M 15/353 (2006.01) D06M 15/53 (2006.01) D06M 15/55 (2006.01)

Patent

CA 2323614

A finishing composition and method for applying the composition to a fabric (10) woven from glass fibers or from a blend of glass fibers and other fibers such as polyamide or polyester. Such finishes significantly enhance the flex life of woven glass fabrics (10) by improving the acid and alkali corrosion resistance of the fibers. The finish, which comprises fluoropolymer and epoxy resin, can be loaded into the fabric in multiple baths (11). Filtration products can be fabricated from the finished fabrics and they are especially useful for making filter bags (1) used in the bag houses (2) for central power generating stations and similar industries.

Composition d'apprêt et procédé permettant d'appliquer ladite composition sur un tissu (10) constitué de fibres de verre tissées ou d'un mélange de fibres de verre et d'autres fibres tissées, telles que du polyamide ou du polyester. Ces apprêts augmentent de manière significative la résistance à la flexion alternée des tissus en fibres de verre tissées (10) en augmentant la résistance à la corrosion acide et alcaline des fibres. L'apprêt, qui comprend un polymère fluoré et une résine époxy, peut être chargé dans le tissu dans des bains multiples (11). Les produits de filtration pouvant être fabriqués avec les tissus apprêtés sont particulièrement utiles pour fabriquer les sacs filtrants (1) utilisés dans les dépoussiéreurs (2) à sacs filtrants des centrales électriques et industries similaires.

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