Viscosity reductant PJ was prepared by high temperature oxidation degradation of polyacrylonitrile (PAN) waste and its properties were studied.
用腈纶废料高温氧化降解制成PJ降粘剂,并检测其理化特性及表征。
2
The effect of degradation conditions on the degree of deacetylation and instinct viscosity of chitosan is also studied.
采用正交设计,探讨降解条件对产物脱乙酰度、 特性粘度等的影响。
3
It is highly resistant to oxidative degradation (i. e. formation of acids and sludge) and being of low viscosity circulates easily to provide efficient heat transfer.