Polyareneazole/thermoplastic pulp and methods of making same

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

D - Textiles, Paper

21

H

D21H 13/20 (2006.01) D21H 13/14 (2006.01) D21H 13/24 (2006.01)

Patent

CA 2629754

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

L'invention concerne une pâte de polyarène-azole thermoplastique à utiliser en tant que matière de renforcement dans des produits comprenant notamment des matières étanches aux fluides, 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 thermoplastiques, 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 thermoplastiques 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 thermoplastique.

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