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    • 5. 发明授权
    • Method for preparing a regenerated cellulose fibre or yarn
    • 制备再生纤维素纤维或纱线的方法
    • US06555678B1
    • 2003-04-29
    • US09530188
    • 2000-09-25
    • Christian AllandrieuLucile GambutPhilippe KarrerTies KarstensGerard MignaniArmin Stein
    • Christian AllandrieuLucile GambutPhilippe KarrerTies KarstensGerard MignaniArmin Stein
    • C08B1600
    • D01F2/24D01F2/00
    • A method has been developed for making regenerated cellulose yarn. The method includes the steps of spinning a solution derived from cellulose or a cellulose derivative in a molten state through at least one extrusion die, then regenerating the cellulose by treating the resulting yarn, wherein a silylated cellulose derivative is prepared by reaction with a silylating agent; the silylated cellulose is extracted from the synthesis reaction medium; then spun through at least an extrusion die; and the resultant yarn treated with a desilylation agent to regenerate the cellulose and a siloxane. The resulting cellulose yarns or fibers may be used for making woven or knitted textile surfaces or non-woven surfaces. Said yarns or fibers are also useful as reinforcing fibers in elastomeric materials and more particularly, in tires.
    • 已经开发了用于制备再生纤维素纱线的方法。 该方法包括以下步骤:通过至少一个挤出模头将来自纤维素或纤维素衍生物的溶液通过至少一个挤出模头纺丝,然后通过处理所得纱线再生纤维素,其中通过与甲硅烷基化试剂反应制备甲硅烷基化纤维素衍生物 ; 从合成反应介质中提取甲硅烷基化纤维素; 然后通过至少一个挤出模头旋转; 用脱甲基剂处理得到的纱线再生纤维素和硅氧烷。 所得到的纤维素纱线或纤维可用于制造机织或针织织物表面或无纺织物表面。 所述纱线或纤维也可用作弹性体材料中的增强纤维,更具体地,在轮胎中。