Synthesis of PNIPA/PDMS-g-PAA core-shell composites in supercritical carbon dioxide
Cao Li-Qin; Chen Liu-Ping; Cui Peng-Yuan; Wang Ji-De
2008
发表期刊Journal of Applied Polymer Science
ISSN218995
卷号108期号:6页码:3843-3850
摘要Herein we report a means that has been developed to prepare smart polymeric microgels consisting of thermosensitive cores with pH-sensitive shells. The microgels were obtained directly from seed polymerization of N-isopropylacrylamide in supercritical carbon dioxide (scCO2). The effects of initial amounts of cross-linker, and Poly (dimethylsiloxane)-graft- polyacrylates (PDMS-g-PAA) on the yield and morphology of the resulting polymer were investigated. PDMS-g-PAA and crosslinker worked effectively as surfactant. PNIPA/PDMS-g-PAA particles with diameters in 50 nm were produced in scCO 2, in high yield and in short reaction times.
关键词Core-shell Polymers N-isopropylacrylamide Polysiloxanes Stimuli-sensitive Polymers Supercritical Fluids
DOI10.1002/app.27999
收录类别SCI
WOS记录号WOS:000255339200053
引用统计
文献类型期刊论文
条目标识符http://ir.xjipc.cas.cn/handle/365002/2078
专题新疆维吾尔自治区精细化工工程技术研究中心
作者单位Xinjiang Univ, Minist Educ, Key Lab Oil & Gas Fine Chem, Urumqi 830046, Peoples R China;Sun Yat Sen Univ, Sch Chem & Chem Engn, Guangzhou 510275, Guangdong, Peoples R China;CAS, Xinjiang Tech Inst Phys & Chem, Urumqi 830011, Xinjiang, Peoples R China
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Cao Li-Qin,Chen Liu-Ping,Cui Peng-Yuan,et al. Synthesis of PNIPA/PDMS-g-PAA core-shell composites in supercritical carbon dioxide[J]. Journal of Applied Polymer Science,2008,108(6):3843-3850.
APA Cao Li-Qin,Chen Liu-Ping,Cui Peng-Yuan,&Wang Ji-De.(2008).Synthesis of PNIPA/PDMS-g-PAA core-shell composites in supercritical carbon dioxide.Journal of Applied Polymer Science,108(6),3843-3850.
MLA Cao Li-Qin,et al."Synthesis of PNIPA/PDMS-g-PAA core-shell composites in supercritical carbon dioxide".Journal of Applied Polymer Science 108.6(2008):3843-3850.
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