Inhibition effects of poly(N-vinylcaprolactam)/poly(epsilon-caprolactone) amphiphilic block copolymers on methane hydrate formation

doi:10.1016/j.jiec.2021.01.022

	Inhibition effects of poly(N-vinylcaprolactam)/poly(epsilon-caprolactone) amphiphilic block copolymers on methane hydrate formation
	Wan, Li 1,2,3,4,5,6; De Qing Liang 1,3,4,5,6
刊名	JOURNAL OF INDUSTRIAL AND ENGINEERING CHEMISTRY
	2021-04-25
卷号	96 页码:183-193
关键词	Hydrate inhibitors Amphiphilic block copolymer PVCap Micellization Biodegradability
ISSN号	1226-086X
DOI	10.1016/j.jiec.2021.01.022
通讯作者	De Qing Liang(liangdq@ms.giec.ac.cn)
英文摘要	Homo- and copolymers of poly(N-vinylcaprolactam) PVCap are widely used in the natural gas industry as hydrate inhibitors. However, seldom studies focus on block copolymers and the biodegradability of the polymers is not taken into account as well. In this work, amphiphilic block copolymers (PVCap-b-PCL) containing different ratio of biodegradable poly(epsilon-caprolactone) (PCL) and PVCap were synthesized. All the synthesized copolymers had narrow molecular distribution which ensured stable properties of the copolymers in the kinetic hydrate inhibition (KHI) performance. They also showed higher cloud point than PVCap. The effect of the PVCap-b-PCL copolymers on methane hydrate formation and hydrate micro-structure were studied. The copolymers used in the KHI experiments were in the form of micelles and they were found performed better than PVCap in the methane hydrate inhibition, providing much longer induction time and increased with higher PCL segment content. The PVCap-b-PCL copolymers have amphiphilic structure similar with surfactants making them also perform like antiagglomerants, effectively suppressing the hydrate agglomeration (less than 40 mu m). The possible inhibition mechanism of PVCap-b-PCL was discussed. The biodegradable PCL segment has increased the biodegradability of PVCap-b-PCL as expected, indicating that environmental friendly hydrate inhibitors can be obtained by adjusting W-PCL/W-PVCap ratio. (C) 2021 The Korean Society of Industrial and Engineering Chemistry. Published by Elsevier B.V. All rights reserved.
资助项目	National Key Research and Development Plan of China[2017YFC0307306] ; National Natural Science Foundation of China[51876211] ; National Natural Science Foundation of China[51706230] ; Guangdong Natural Science Foundation[2020A1515011120] ; Guangdong Natural Science Foundation[2020A1515010374] ; Guangdong Natural Science Foundation[2018B0303110007] ; Guangdong Special Support Program-Local innovation and entrepreneurship team project[2019BT02L278] ; Guangdong MEPP Fund[GDME-2018D002] ; Guangdong MEPP Fund[GDOE[2019]A39] ; Guangdong MEPP Fund[GDOE[2019]A54]
WOS研究方向	Chemistry ; Engineering
语种	英语
出版者	ELSEVIER SCIENCE INC
WOS记录号	WOS:000621964000001
资助机构	National Key Research and Development Plan of China ; National Natural Science Foundation of China ; Guangdong Natural Science Foundation ; Guangdong Special Support Program-Local innovation and entrepreneurship team project ; Guangdong MEPP Fund
内容类型	期刊论文
源URL	[http://ir.giec.ac.cn/handle/344007/32767]
专题	中国科学院广州能源研究所
通讯作者	De Qing Liang
作者单位	1.Guangdong Prov Key Lab New & Renewable Energy Res, Guangzhou 510640, Guangdong, Peoples R China 2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China 3.Hunan Inst Technol, Hengyang 421002, Hunan, Peoples R China 4.Chinese Acad Sci, Guangzhou Inst Energy Convers, Guangzhou 510640, Guangdong, Peoples R China 5.CAS Key Lab Gas Hydrate, Guangzhou 510640, Guangdong, Peoples R China 6.Chinese Acad Sci, Guangzhou Ctr Gas Hydrate Res, Guangzhou 510640, Guangdong, Peoples R China
推荐引用方式 GB/T 7714	Wan, Li,De Qing Liang. Inhibition effects of poly(N-vinylcaprolactam)/poly(epsilon-caprolactone) amphiphilic block copolymers on methane hydrate formation[J]. JOURNAL OF INDUSTRIAL AND ENGINEERING CHEMISTRY,2021,96:183-193.
APA	Wan, Li,&De Qing Liang.(2021).Inhibition effects of poly(N-vinylcaprolactam)/poly(epsilon-caprolactone) amphiphilic block copolymers on methane hydrate formation.JOURNAL OF INDUSTRIAL AND ENGINEERING CHEMISTRY,96,183-193.
MLA	Wan, Li,et al."Inhibition effects of poly(N-vinylcaprolactam)/poly(epsilon-caprolactone) amphiphilic block copolymers on methane hydrate formation".JOURNAL OF INDUSTRIAL AND ENGINEERING CHEMISTRY 96(2021):183-193.