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Neighboring group effect on the thermal degradation of polyacrylamide and its derivatives
Jiang, Chengyang1; Xia, Xiaochun4; Kang, Shujuan2,3; Dong, Han1; Sakinejad, Parastoo1; Ma, Qisheng5; Tang, Yongchun1
2019-03-01
Source PublicationJOURNAL OF POLYMER ENGINEERING
ISSN0334-6447
Volume39Issue:3Pages:239-247
AbstractBeing an important class of water-soluble synthetic polymers, polyacrylamide (PAM) and its derivatives have found a wide range of applications in the oil and gas industry. Due to the increasingly active exploration of deep and ultra-deep wells, PAM-based polymers are more and more frequently applied under hostile subterranean conditions, particularly high temperature. Therefore, it becomes an imminent research topic to elucidate the thermal degradation pathways of PAM-based polymers in order to upgrade these chemicals for more challenging scenarios. Neighboring groups attached to the same polyvinyl backbone have been suggested to exert an effect to the degradation of the PAM-based polymers. Herein we report a combined theoretical and experimental study on the energetics of such neighboring group effect. Taking advantage of a computational method based on density functional theory, we have identified two competing degradation pathways in neutral medium and have calculated their respective activation energies. These results enable us to predict the relative thermal stabilities of a series of PAM-based polymers, and we have also used temperature-variant rheology measurements to verify these predictions. This work will guide the design of better heat-resistant PAM-based products.
Keyworddensity functional theory imidization polyacrylamide rheology thermal properties
DOI10.1515/polyeng-2018-0274
WOS KeywordACRYLAMIDE
Language英语
WOS Research AreaPolymer Science
WOS SubjectPolymer Science
WOS IDWOS:000458994700004
PublisherWALTER DE GRUYTER GMBH
Citation statistics
Document Type期刊论文
Identifierhttp://ir.iggcas.ac.cn/handle/132A11/90689
Collection地球与行星物理院重点实验室
Corresponding AuthorJiang, Chengyang; Kang, Shujuan; Tang, Yongchun
Affiliation1.Power Environm Energy Res Inst, Covina, CA 91722 USA
2.Chinese Acad Sci, Inst Geol & Geophys, Key Lab Earth & Planetary Phys, Beijing 100029, Peoples R China
3.Chinese Acad Sci, Inst Earth Sci, Beijing 100029, Peoples R China
4.China Oilfield Serv Ltd, Sanhe 065201, Hebei, Peoples R China
5.ChemEOR Inc, Covina, CA 91722 USA
Recommended Citation
GB/T 7714
Jiang, Chengyang,Xia, Xiaochun,Kang, Shujuan,et al. Neighboring group effect on the thermal degradation of polyacrylamide and its derivatives[J]. JOURNAL OF POLYMER ENGINEERING,2019,39(3):239-247.
APA Jiang, Chengyang.,Xia, Xiaochun.,Kang, Shujuan.,Dong, Han.,Sakinejad, Parastoo.,...&Tang, Yongchun.(2019).Neighboring group effect on the thermal degradation of polyacrylamide and its derivatives.JOURNAL OF POLYMER ENGINEERING,39(3),239-247.
MLA Jiang, Chengyang,et al."Neighboring group effect on the thermal degradation of polyacrylamide and its derivatives".JOURNAL OF POLYMER ENGINEERING 39.3(2019):239-247.
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