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PRODUCTION OF HYDROPHILIC FILAMENT AND FIBER OF POLYCARBONATE HAVING HIGH SECONDARY TRANSITION TEMPERATURE
PRODUCTION OF HYDROPHILIC FILAMENT AND FIBER OF POLYCARBONATE HAVING HIGH SECONDARY TRANSITION TEMPERATURE
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机译:具有高二次转化温度的亲水性纤维的生产和聚碳酸酯纤维
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摘要
Dry-spun hydrophilic core-jacket filaments and fibres of polycarbonates having a porosity and a water retention capacity of at least 10%, a mercury density of less than 1.0 g/cc, a strength of at least 1.5 cN/dtex and a second order transition temperature of at least 125 DEG C. and a method for producing said filament and fibres by a dry-spinning process, wherein, immediately on leaving the spinnerette but before solidifying, the filaments are brought into contact with steam.
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机译:聚碳酸酯的干纺亲水性夹套长丝和纤维,其孔隙率和保水量至少为10%,汞密度小于1.0 g / cc,强度至少为1.5 cN / dtex,是二阶的转变温度至少为125℃,以及通过干纺法生产所述长丝和纤维的方法,其中,在离开喷丝板后立即但在固化之前,使长丝与蒸汽接触。
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