Polyareneazole/thermoset pulp and methods of making same

Details Polyareneazole/thermoset pulp and methods of making same Polyareneazole/thermoset pulp and methods of making same

C - Chemistry, Metallurgy

04

B

C04B 16/00 (2006.01) C04B 16/06 (2006.01) C08J 5/00 (2006.01) C08J 5/04 (2006.01) C08J 5/06 (2006.01) C08J 5/18 (2006.01) C08J 5/20 (2006.01) D01F 6/00 (2006.01) D21C 11/00 (2006.01) D21H 13/00 (2006.01) D21H 13/26 (2006.01)

Patent

CA 2629908

The present invention relates to thermoset and polyareneazole pulp for use as reinforcement material in products including for example fluid seals and friction materials, as a processing aid including its use as a thioxotrope, and as a filter material. The pulp comprises (a) irregularly shaped, thermoset fiber fibrous structures, (b) irregularly shaped, polyareneazole fibrous structures and (c) water whereby thermoset fiber fibrils and/or stalks are substantially entangled with polyareneazole fibrils and/or stalks. The invention further relates to processes for making such thermoset and polyareneazole pulp.

L'invention concerne une pâte de polyarène-azole thermodurcissable à utiliser en tant que matière de renforcement dans des produits, notamment, par exemple, des matières étanches aux fluides et des matières de frottement, en tant qu'agent auxiliaire de traitement pouvant être notamment utilisé comme thioxotrope, et en tant que matière formant filtre. Cette pâte comprend: a) des structures fibreuses de fibres thermodurcissables, présentant une forme irrégulière, b) des structures fibreuses de polyarène-azole, présentant une forme irrégulière et c) de l'eau dans laquelle des fibrilles et/ou des tiges de fibres thermodurcissables sont sensiblement entremêlées aux fibrilles et aux tiges de polyarène-azole. L'invention concerne également des procédés de fabrication d'une telle pâte de polyarène-azole thermodurcissable.

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