二乙基铵基聚异氰酸酯对水合物的抑制作用。
Clathrate Hydrate Inhibition by Polyisocyanate with Diethylammonium Group.
机构信息
School of Materials Science and Engineering, Gwangju Institute of Science and Technology (GIST), 123 Cheomdangwagi-ro, Buk-gu, Gwangju 61005, Korea.
Department of Chemistry, Bioscience and Environmental Engineering, University of Stavanger, N-4036 Stavanger, Norway.
出版信息
Langmuir. 2021 Apr 13;37(14):4147-4153. doi: 10.1021/acs.langmuir.0c03663. Epub 2021 Apr 1.
Polymers containing amide groups have been used as kinetic hydrate inhibitors (KHIs). The amide group has good performance for hydrate nucleus adsorption, resulting in inhibition of hydrate growth. Polyisocyanates composed of an amide backbone can be KHI candidates; however, the use of polyisocyanates as KHIs has not yet been reported. Herein, we prepared water-soluble poly[3-[[2-(diethylamino)ethyl]thio]-1-propyl isocyanatehexyl isocyanate] (P(DETPICHIC)) to investigate the ability of polyisocyanates to inhibit hydrate formation. In the tetrahydrofuran (THF) clathrate hydrate crystal growth inhibition tests, P(DETPICHIC) showed better performance than the polyamide, poly(-vinylpyrrolidone) (PVP).
含有酰胺基团的聚合物已被用作动力学水合物抑制剂（KHIs）。酰胺基团对水合物晶核吸附具有良好的性能，从而抑制水合物的生长。由酰胺主链组成的聚异氰酸酯可以作为 KHI 的候选物；然而，聚异氰酸酯作为 KHIs 的应用尚未见报道。本文制备了水溶性聚[3-[[2-(二乙基氨基)乙基]硫基]-1-丙基异氰酸酯己基异氰酸酯]（P(DETPICHIC)），以研究聚异氰酸酯抑制水合物形成的能力。在四氢呋喃（THF）笼形水合物晶体生长抑制测试中，P(DETPICHIC)的性能优于聚酰胺和聚乙烯基吡咯烷酮（PVP）。
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