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METHOD FOR PRODUCING POLYETHYLENE OBJECTS WITH HIGH TENSILE STRENGTH AND HIGH TENSION MODULE.
METHOD FOR PRODUCING POLYETHYLENE OBJECTS WITH HIGH TENSILE STRENGTH AND HIGH TENSION MODULE.
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机译:制备具有高拉伸强度和高拉伸模量的聚乙烯物体的方法。
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摘要
High strength and modulus articles, such as filaments, fibers, tapes, films, tubes, bars or profiles, are prepared by irradiating a solid, particular, lamellar, disentangled polyethylene with a Mw4x105, transforming this polyethylene above the melt temperature into an article, cooling said article to below the melting point and stretching it in several steps at rising temperature but below the melting point of the article. Advantages are i.a. the lower costs compared with the known processes, such as solid state extrusion or thermoreversible gelation.
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