Influence of the introduction of small hydrophilic groups on the kinetic hydrate inhibition effect of poly(N-vinylcaprolactam)

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成果类型：

期刊论文

作者：

Wan, Li;Liu, Bo;Liang, De-Qing

通讯作者：

Liang, DQ

作者机构：

[Liu, Bo; Wan, Li] Changsha Univ Sci & Technol, Changsha 410114, Hunan, Peoples R China.

[Liang, De-Qing] Chinese Acad Sci, Guangzhou Inst Energy Convers, Guangzhou 510640, Guangdong, Peoples R China.

[Liang, De-Qing] Chinese Acad Sci, Key Lab Gas Hydrate, Guangzhou 510640, Guangdong, Peoples R China.

[Liang, De-Qing] Guangdong Prov Key Lab New & Renewable Energy Res, Guangzhou 510640, Guangdong, Peoples R China.

[Liang, De-Qing] Chinese Acad Sci, Guangzhou Ctr Gas Hydrate Res, Guangzhou 510640, Guangdong, Peoples R China.

通讯机构：

[Liang, DQ ] C

Chinese Acad Sci, Guangzhou Inst Energy Convers, Guangzhou 510640, Guangdong, Peoples R China.

语种：

英文

关键词：

poly(N-vinylcaprolactam);Hydrophilic modification;Kinetic hydrate inhibitors;Biodegradability

期刊：

Chemical Engineering Science

ISSN：

0009-2509

年：

2024

卷：

288

页码：

119833

DOI：

10.1016/j.ces.2024.119833

基金类别：

National Natural Science Foundation of China [52106002]; Guangdong Natural Science Foundation [2021A1515010578]; Fund of Key Laboratory of Gas Hydrate Chinese Academy of Sciences [E129020301]; Fund of Changsha University of Science and Technology [000100103]; Youth Innovation Promotion Association CAS [2020344]

机构署名：

本校为第一机构

摘要：

Traditional amide-based hydrate inhibitors, vital for preventing blockages, face limitations due to increasingly stringent environmental regulations. This study focuses on modifying poly(N-vinylcaprolactam) (PVCap) to improve its inhibition and biodegradation properties, by introducing -OH, -NH2, or -COOH groups into the molecular structure. The results revealed that the -OH group significantly improved both hydrate inhibition and biodegradability, while the -COOH and - NH2 groups had moderate and counter-effects, respectively. Compared to end hydroxyl modification, multiple -OH groups in the ...

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Influence of the introduction of small hydrophilic groups on the kinetic hydrate inhibition effect of poly(N-vinylcaprolactam)

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