Effects of Poly(N-vinylcaprolactam) Molecular Weight and Molecular Weight Distribution on Methane Hydrate Formation

被引：33

作者：

Seo, Seong Deok ^{[1
,2
]}

Paik, Hyun-jong ^{[2
]}

Lim, Dong-ha ^{[1
]}

Lee, Ju Dong ^{[1
]}

机构：

[1] Korea Inst Ind Technol, Offshore Plant Resources R&D Ctr, 30,Gwahaksandan 1 Ro 60 Beon Gil, Busan 618230, South Korea

[2] Pusan Natl Univ, Dept Polymer Sci & Engn, Busan 609753, South Korea

来源：

ENERGY & FUELS | 2017年 / 31卷 / 06期

关键词：

TRANSFER RADICAL POLYMERIZATION; KINETIC INHIBITORS; XANTHATE;

D O I：

10.1021/acs.energyfuels.7b00318

中图分类号：

TE [石油、天然气工业]; TK [能源与动力工程];

学科分类号：

0807 ; 0820 ;

摘要：

Poly(N-vinylcaprolactarn) (PVCap) has previously been shown to be an outstanding low-dosage hydrate inhibitor (LDHI). The inhibition performance of LDHI is known to be influenced by molecular weight (M-w) and molecular weight distribution. In this study, PVCaps were synthesized by two different methods. The first method; reversible addition fragmentation chain transfer (RAFT) polymerization, was used to prepare PVCap with a narrow molecular weight distribution (about M-w/M-n < 1.5), which is close to theoretical values. The second method) free radical polymerization (FRP), was used to obtain a broad molecular weight distribution (about M-w/M-n > 1.5). In a semi-batch stirrer reactor, hydrate inhibition performance of PVCap was evaluated. It was found that the inhibition performance was increased when the PVCap molecular weight decreased. PVCap with the narrower molecular weight distribution also showed the better inhibition performance.

引用

页码：6358 / 6363

页数：6

共 34 条

[1]

Angel M., 2001, International Patent Application, Patent No. [WO 2001066602 Al, 2001066602]

[2]

[Anonymous], [No title captured], Patent No. 5432292

[3]

Argo C. B., 1997, P SPE INT S OILF CHE, DOI [10.2118/37255-MS, DOI 10.2118/37255-MS]

[4]

Bakeev K. N., 2001, [No title captured], Patent No. [US6242518B1, 6242518]

[5] Universal (Switchable) RAFT Agents [J].

Benaglia, Massimo ;

Chiefari, John ;

Chong, Yen K. ;

Moad, Graeme ;

Rizzardo, Ezio ;

Thang, San H. .

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 2009, 131 (20) :6914-+

[6] Effect of polyvinylpyrrolidone at methane hydrate-liquid water interface. Application in flow assurance and natural gas hydrate exploitation [J].

Choudhary, Nilesh ;

Das, Subhadip ;

Roy, Sudip ;

Kumar, Rajnish .

FUEL, 2016, 186 :613-622

[7] Controlled radical polymerization of N-vinylpyrrolidone by reversible addition-fragmentation chain transfer process [J].

Devasia, R ;

Bindu, RL ;

Borsali, R ;

Mougin, N ;

Gnanou, Y .

MACROMOLECULAR SYMPOSIA, 2005, 229 :8-17

[8] Experimental requirements for an efficient control of free-radical polymerizations via the reversible addition-fragmentation chain transfer (RAFT) process [J].

Favier, Arnaud ;

Charreyre, Marie-Therese .

MACROMOLECULAR RAPID COMMUNICATIONS, 2006, 27 (09) :653-692

[9]

Fu S. B., 2001, P SPE INT S OILF CHE, DOI [10.2118/65022-MS, DOI 10.2118/65022-MS]

[10] NARROW MOLECULAR-WEIGHT RESINS BY A FREE-RADICAL POLYMERIZATION PROCESS [J].

GEORGES, MK ;

VEREGIN, RPN ;

KAZMAIER, PM ;

HAMER, GK .

MACROMOLECULES, 1993, 26 (11) :2987-2988

← 1 2 3 4 →