Flash spinning process and flash spinning solution

D - Textiles – Paper – 01 – D

Patent

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Details

D01D 5/11 (2006.01) D01F 6/04 (2006.01) D01F 6/06 (2006.01) D01F 6/30 (2006.01) D01F 6/32 (2006.01)

Patent

CA 2314174

A process for producing plexifilamentary products by spinning from a spin fluid of a polyolefin dissolved in a primary spin agent selected from the group consisting of 1,1,2-trichloro-2,2-difluoroethane and isomers thereof; 1,1,3-trichloro-2,2,3,3-tetrafluoropropane and isomers thereof; 1,2-dichloro- 3,3,3-trifluoropropane and isomers thereof; and 1,2-dichloro-1-fluoroethylene; and a co-spin agent; and also a spin fluid of a polyolefin dissolved in a primary spin agent selected from the group consisting of 1,1,2-trichloro-2,2- difluoroethane and isomers thereof; 1,1,3-trichloro-2,2,3,3-tetrafluoropropane and isomers thereof; 1,2-dichloro-3,3,3-trifluoropropane and isomers thereof; and 1,2-dichloro-1-fluoroethylene; and a co-spin agent.

L'invention concerne un procédé de production de produits plexifilamentaires par filage à partir d'un fluide de filage d'une polyoléfine dissoute dans un agent de filage primaire choisi dans le groupe constitué de 1,1,2-trichloro-2,2-difluoroéthane et de ses isomères; de 1,1,3-trichloro-2,2,3,3-tétrafluoropropane et de ses isomères; de 1,2-dichloro-3,3,3-trifluoropropane et de ses isomères; et de 1,2-dichloro-1-fluoroéthylène; et dans un co-agent de filage; et également un fluide de filage d'une polyoléfine dissoute dans un agent de filage primaire choisi dans le groupe constitué de 1,1,2-trichloro-2,2-difluoroéthane et de ses isomères; de 1,1,3-trichloro-2,2,3,3-tétrafluoropropane et de ses isomères; de 1,2-dichloro-3,3,3-trifluoropropane et de ses isomères; et de 1,2-dichloro-1-fluoroéthylène; et un dans co-agent de filage.

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