The effects of feed composition, reflux reaction time and catalyst concentration on PPTD yield were investigated.
采用正交实验，考察了原料投料比、回流反应时间、催化剂等因素对合成的影响。
The effects of feed composition, reflux reaction time and catalyst concentration on PPTD yield were investigated.
采用正交实验，考察了原料投料比、回流反应时间、催化剂等因素对合成的影响。
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