C - Chemistry – Metallurgy – 08 – F
Patent
C - Chemistry, Metallurgy
08
F
C08F 14/00 (2006.01) D01F 6/12 (2006.01) D02G 3/00 (2006.01) D06Q 1/02 (2006.01)
Patent
CA 2497959
The present invention relates to the application of lubricant to fluoropolymer yarn which enables the yarn to be drawn at a high draw ratio and is removable by scouring, the lubricant being thermally stable at a temperature of at least 120 ~C, and being removable from the yarn by scouring and comprising oil and surfactant and/or wetting agent to enable the lubricant to spread over the surface of the yarn upon application to the yarn, the lubricant comprising oil such as a C6-C20 aliphatic acid ester of a polyol and a surfactant and/or wetting agent.
L'invention concerne l'application d'un lubrifiant sur un fil fluoropolymère qui permet au fil d'être étiré à un taux d'étirage élevé et élimé par désuintage, le lubrifiant étant thermiquement stable à une température d'au moins 120 ·C, et pouvant être éliminé du fil par désuintage et comprenant de l'huile et un tensioactif et/ou un agent de mouillage en vue de permettre la répartition du lubrifiant sur la surface du fil lors de son application sur celui-ci. Le lubrifiant comprend de l'huile notamment un ester d'acide aliphatique C6-C20 d'un polyol et un tensioactif et/ou un agent de mouillage.
Potter Jerry Fuller
Seemuth Paul Douglas
Bennett Jones Llp
E. I. Du Pont de Nemours And Company
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