Poly(p-phenylene terephthalamide) pulp

Details Poly(p-phenylene terephthalamide) pulp Poly(p-phenylene terephthalamide) pulp

D - Textiles, Paper

01

F

D01F 6/90 (2006.01) D01D 5/38 (2006.01)

Patent

CA 2200184

A fibrous pulp of a combination of poly(p-phenylene terephtalamide) and poly(vinyl pyrrolidone) is provided, along with a process for making it. The process involves conducting a poly(p-phenylene terephthalamide) polymerization reaction in the presence of poly(vinyl pyrrolidone) and the product is an improved pulp with increased fibrils and no fiber stalks.

L'invention concerne une pâte fibreuse constituée d'une combinaison de poly(p-phénylène téréphtalamide) et de poly(vinyle pyrrolidone), ainsi que son procédé de production. Le procédé consiste à provoquer une réaction de polymérisation de poly(p-phénylène téréphtalamide) en présence de poly(vinyle pyrrolidone) dont le produit est une pâte améliorée présentant un nombre accru de fibrilles et pas de tiges de fibres.

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