Clathrate Hydrate Inhibition by Polyisocyanate with Diethylammonium Group

被引：9

作者：

Bak, In Gyu ^{[1
]}

Heo, Chi-Ho ^{[1
]}

Kelland, Malcolm A. ^{[2
]}

Lee, Eunji ^{[1
]}

Kang, Beom-Goo ^{[3
]}

Lee, Jae-Suk ^{[1
]}

机构：

[1] Gwangju Inst Sci & Technol GIST, Sch Mat Sci & Engn, Gwangju 61005, South Korea

[2] Univ Stavanger, Dept Chem, N-4036 Stavanger, Norway

[3] Soongsil Univ, Dept Chem Engn, Seoul 06978, South Korea

来源：

LANGMUIR | 2021年 / 37卷 / 14期

关键词：

ANIONIC-POLYMERIZATION; CRYSTAL-GROWTH; POLY(N-HEXYL ISOCYANATE); CHAIN; COPOLYMERS; POLYMERS; OIL; HOMOPOLYMERIZATION; PERFORMANCE; NUCLEATION;

D O I：

10.1021/acs.langmuir.0c03663

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

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 isocyanate-ran-hexyl isocyanate] (P(DETPIC-ran-HIC)) to investigate the ability of polyisocyanates to inhibit hydrate formation. In the tetrahydrofuran (THF) clathrate hydrate crystal growth inhibition tests, P(DETPIC-ran-HIC) showed better performance than the polyamide, poly(N-vinylpyrrolidone) (PVP).

引用

页码：4147 / 4153

页数：7

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