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。
HEA is a new type of temperature-tolerant viscosity reductant for heavy crude oil. It comprises a specialtemperarure-tolerant surfactant and a variety of additives.
新型耐高温乳化降粘剂HEA系由特种抗高温的表面活性剂和多种其它添加剂组成。
JNJ - 3 viscosity reductant for quench oil was developed on the basis of analyzing reasons for viscosity increase of quench oil in ethylene plant and its reaction mechanism.
对乙烯裂解装置中急冷油粘度增长的原因及反应机理进行了分析，并在此基础上开发出JNJ-3型急冷油减粘剂。
JNJ - 3 viscosity reductant for quench oil was developed on the basis of analyzing reasons for viscosity increase of quench oil in ethylene plant and its reaction mechanism.
对乙烯裂解装置中急冷油粘度增长的原因及反应机理进行了分析，并在此基础上开发出JNJ-3型急冷油减粘剂。
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