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A method for the production of an extremely drawn polymeric material which, as well as a process for the production of optionally nsta ends.
A method for the production of an extremely drawn polymeric material which, as well as a process for the production of optionally nsta ends.
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机译:一种生产极度拉伸的聚合物材料的方法,以及一种生产可选的nsta末端的方法。
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摘要
An ultrastretchable polymer material is prepared starting from polyolefine particles with a low entanglement density and a weight average molecular weight (MW) higher than 400,000, the particles being densified to a coherent material together with a process auxiliary material at an elevated temperature, but below the melting point of the pure polyolefine. From this ultrastretchable material, objects with a high tensile strength and a high modulus can be produced by stretching it, for instance, at a temperature which is at most 70 DEG C below the temperature at which the polyolefine melts under the prevailing conditions, if desired after removal of the process auxiliary agent present in it.
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