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Process for thermal treatment of a Po of polyethylene of molecular ultraelevado PE and Po moulding of polyethylene thus obtained
Process for thermal treatment of a Po of polyethylene of molecular ultraelevado PE and Po moulding of polyethylene thus obtained
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机译：用于热处理分子超高分子量聚乙烯的聚乙烯的Po和由此获得的聚乙烯的Po成型的方法
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摘要
Ultra-high molecular weight polyethylene powder is heated at a temperature between its crystalline melting point and about 275 DEG C. for a short period of time ranging from about one minute to about thirty minutes to obtain a molding powder having properties which facilitate the subsequent step of compression molding. Compression molded pieces made from heat-treated powder have better transparency, gloss and low-temperature mechanical properties than those made from untreated powder.
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