介绍了降凝剂中间体丙烯酸高碳醇酯的合成和产品分离提纯方法。
Synthesis and purification of long chain alkyl acrylate as intermediate of pour point depressant were introduced.
采用红外光谱仪、 核磁共振波谱仪对聚合物的合成特征基团进行了表征，并采用X射线衍射仪对不同型号蜡及降凝剂的结晶性能进行了分析测试。
The characteristic groups of polymeric pour point depressant(PPD)were analyzed by FT-IR and NMR techniques. The crystallization properties of various types of wax and PPD were measured by XRD.
将所合成的降凝剂应用于加氢基础油和石蜡基基础油中，考察其降凝效果。
To examine their depressive effect, these PPDs were used in hydrogenation base oil and paraffin base oil.
将所合成的降凝剂应用于加氢基础油和石蜡基基础油中，考察其降凝效果。
To examine their depressive effect, these PPDs were used in hydrogenation base oil and paraffin base oil.
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