A design method of hot runner mold for PET bottle base was proposed to extend the temperature range of PET resin for better processing.
为解决PET塑料加工温度范围较窄，工艺性较差的问题，提出了PET吹塑瓶坯热流道模具设计方法。
The reasons for the carboxyl end group fluctuation of bottle grade PET base chips were analysed.
对瓶用基片端羧基波动的原因进行了分析。
The reasons for the carboxyl end group fluctuation of bottle grade PET base chips were analysed.
对瓶用基片端羧基波动的原因进行了分析。
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