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公开(公告)号：EP1280856A1
公开(公告)日：2003-02-05
申请号：EP00953740.8
申请日：2000-07-28
发明人： HO, Thoi, H. , BENSASON, Selim , PATEL, Rajen, M. , HOUCHENS, Kimberly, S. , REID, Rona, L. , CHUM, Pak-Wing, S. , WALSH, Leonie, K.
CPC分类号： D04B1/18 , C08L51/06 , C08L53/025 , C08L2666/24 , C08L2666/04 , C08L2666/02
摘要： The present invention relates to a method for making a heat-resistant elastic article and a heat-resistant elastic article. The invention especially relates to a method of making elastic fibers and polymeric elastic fibers wherein the elastic fibers are capable of withstanding dyeing and heat-setting processes that typically are conducted at elevated temperatures (such as 110-230° C. and especially at greater than or equal to 130° C. for minutes). The inventive method comprises radiation crosslinking an article (or plurality of articles) under an inert or oxygen limited atmosphere (for example, in N2, argon, helium, carbon dioxide, xenon and/or a vacuum) wherein the article (or articles) comprises at least one amine stabilizer and preferably another optional stabilizer additive. More preferably, the radiation crosslinking is performed at a low temperature (-50 to 40° C.). The elastic article (or articles) comprises a homogeneously branched ethylene interpolymer (preferably a substantially linear ethylene interpolymer), a substantially hydrogenated block polymer, or a combination of the two. The heat-resistant elastic articles (especially fibers) are useful in various durable or repeated-use fabric applications such as, but not limited to, clothing, under-garments, and sports apparel. The heat-resistant elastic fibers can be conveniently formed into fabrics using well-known techniques such as, for example, by using co-knitting techniques with cotton, nylon, and/or polyester fibers.
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