The arthor elaborates the measurement of the cyanogen group inversion rate of waste PAN yarn using acidic titrimetry under the condition of constant pressure alkali gydrolyzation.
论述了废旧腈纶毛线在常压碱法水解条件下，采用酸碱滴定分析方法测定氰基转化率，讨论了反应时间、温度、投料比等因素对水解反应的影响。
The influential factors on the quality of dry-spun PAN bully tops, such as length, steam shrinkage, yarn irregularity, were analyzed.
分析了腈纶干法丝束制条中影响产品质量的毛条长度、蒸汽收缩率、条干不匀率等因素。
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