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Preparation and Properties of Composite Hydrate Inhibitors
Author(s): 
Pages: 159-163
Year: Issue:  2
Journal: Petrochemical Technology

Keyword:  natural gas hydrateTHF methodpolyvinylcaprolactankinetic inhibitorcomplex inhibitor;
Abstract: 以N-乙烯基己内酰胺(VCL)为单体,偶氮二异丁腈为引发剂,通过溶液聚合法合成了聚乙烯基己内酰胺(PVCap)动力学抑制剂,并将PVCap动力学抑制剂与其他增效剂复配制得PVCap复配抑制剂.用IR,1H NMR,GPC等方法分析了PVCap的结构.采用THF法研究了PVCap复配抑制剂对水合物的抑制性能.实验结果表明,随增效剂用量的增大,PVCap复配抑制剂的抑制性能增强;PVCap/甲醇复配抑制剂的抑制效果最好,使用该复配抑制剂时水合物形成的诱导时间最长为887min;增效剂通过增强PVCap分子在水合物笼上的吸附能力提高其抑制性能.
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