Treatment for reducing friction of seat belts

D - Textiles – Paper – 06 – M

Patent

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Details

D06M 15/507 (2006.01) D06M 15/53 (2006.01) D06M 15/643 (2006.01) D06M 15/647 (2006.01)

Patent

CA 2218297

A treatment for reducing friction of seat belts which is characterized by containing therein a polyether polyester having an average molecular weight of 2000-15000 which is obtained from a polyether diol and an aliphatic carboxylic acid, and preferably further containing a silicone compound. This treatment can be applied to either seat belt yarns in the yarn-making step or to seat belt webbing. The resulting seat belt is superior in slip properties and retains them even after wear. It is also superior in retractiablity and wear resistance (durability).

Cet agent de réduction de friction, destiné à de ceintures de sécurité, contient un polyéther/polyester que l'on prépare à partir d'un composé de polyéther diol et d'un acide carboxylique aliphatique et qui présente une masse moléculaire moyenne comprise entre 2000 et 15000, cet agent comprenant, en outre et de préférence, un composé silicone. On peut appliquer cet agent sur des fils bruts destinés à des ceintures de sécurité, lors de l'étape de fabrication du fil ou de tissage sous forme de sangle de la ceinture. Les ceintures de sécurité traitées à l'aide de cet agent présentent d'excellentes propriétés de réduction de la friction, avant ou après utilisation et également lorsqu'elles se rétractent, ainsi que de résistance à l'usure.

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