High strength biosoluble inorganic fiber insulation mat

B - Operations – Transporting – 01 – D

Patent

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Details

B01D 39/00 (2006.01) B01D 53/94 (2006.01) B01J 21/14 (2006.01) F01N 3/035 (2006.01)

Patent

CA 2747775

A high strength inorganic bio-soluble fiber insulation mat (10) contains high temperature resistant alkaline earth silicate fibers (42) and optionally additional non-respirable inorganic fibers, wherein the insulation mat (10) has a structure of partially interlocking fibers (42) and an organics content of less than 20 weight percent prior to exposure to temperatures of at least 600°C. A process for producing the insulation mat (10) includes preparing a wet paper (30) or sheet comprising the high temperature resistant fibers (42) and optionally at least one of organic binders or inorganic binders; and intertwining or entangling the fibers (42) in the wet paper (30) or sheet prior to drying.

La présente invention concerne un matelas isolant en fibres inorganiques biosolubles très résistant (10) qui contient des fibres de silicate alcalino-terreux résistantes à température ambiante (42) et facultativement des fibres inorganiques non inhalables supplémentaires, le matelas isolant (10) ayant une structure de fibres partiellement entrecroisées (42) et un contenu en matières organiques inférieur à 20 % en poids avant l'exposition à des températures d'au moins 600°C. La présente invention concerne en outre un procédé de production du matelas isolant (10) qui comprend la préparation d'un papier mouillé (30) ou d'une feuille mouillée qui comprennent les fibres résistantes à une température élevée (42) et facultativement au moins l'un de liants organiques et de liants inorganiques ; et l'entrelacement ou l'entremêlement des fibres (42) dans le papier mouillé (30) ou la feuille mouillée avant le séchage.

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