Non-woven material and method of making such material

D - Textiles – Paper – 04 – H

Patent

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Details

D04H 1/42 (2006.01) D04H 1/12 (2006.01) D04H 1/14 (2006.01) D04H 1/54 (2006.01)

Patent

CA 2720696

A non-woven material and method of formation thereof is provided to form a substantially flat or planar self sup-porting core of an inorganic base fiber and an organic binding fiber preferably using an air-laid forming head. In certain preferred embodiments, the organic base fiber has a fiber strength with a break load of about 10 grams or less and an elongation of about 20 percent or less. Preferably, the organic binding fiber has a binding component and a structural component within unitary fiber fila-ments. In one aspect, the structural component of the organic binding fiber has a composition effective to provide a strength there-of so that the non-woven material can be manually cut with minimal effort. In such form, the non-woven material is suitable to function as an acoustic ceiling tile.

L'invention concerne un matériau non tissé et un procédé de fabrication de celui-ci pour former un noyau autoportant sensiblement plat ou plan constitué d'une fibre de base inorganique et d'une fibre de liant organique en utilisant de préférence une tête de formage par aéro-dépôt. Dans certains modes préférés de réalisation, la fibre de base organique présente une résistance de fibre avec une charge de rupture d'environ 10 grammes ou moins et un allongement d'environ 20 % ou moins. De préférence, la fibre de liaison organique a un composant de liaison et un composant de structure dans des filaments de fibres unitaires. Sous un aspect, le composant de structure de la fibre de liaison organique présente une composition efficace pour fournir une résistance à celle-ci de sorte que le matériau non tissé peut être coupé manuellement avec un effort minimal. Sous une telle forme, le matériau non tissé est approprié pour agir en tant que plaque de plafond acoustique.

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