Preparation of Poly(N-Vinylcaprolactam) (NVCL) and Statistical Copolymers of NVCL with Variable Cloud Point Temperature by Using A Trithiocarbonate RAFT Agent
Preparation of PNVCL controlling its molecular weight and maintaining low dispersities by using a trithiocarbonate RAFT agent was achieved. Typical RAFT kinetics were not observed, nevertheless the prepared polymers were reactivated to grow a second hydrophobic poly(hexyl acrylate) block. A series o...
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| Veröffentlicht in: | Macromolecular symposia. 2013-03, Vol.325-326 (1), p.56-70 |
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| container_title | Macromolecular symposia. |
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| creator | Ponce-Vargas, Sandra M. Cortez-Lemus, Norma A. Licea-Claveríe, Angel |
| description | Preparation of PNVCL controlling its molecular weight and maintaining low dispersities by using a trithiocarbonate RAFT agent was achieved. Typical RAFT kinetics were not observed, nevertheless the prepared polymers were reactivated to grow a second hydrophobic poly(hexyl acrylate) block. A series of statistical copolymers of NVCL with N‐vinyl pyrrolidone, n‐hexyl acrylate, methacrylic acid, 2‐(diethylamino)ethyl methacrylate and 2‐(methacryloyloxy)benzoic acid with controlled dispersity were also prepared. By this copolymerization method the cloud point temperature of PNVCL was varied from 27 °C to 42 °C depending on comonomer type, content and pH of the aqueous solution. |
| doi_str_mv | 10.1002/masy.201200045 |
| format | Article |
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Typical RAFT kinetics were not observed, nevertheless the prepared polymers were reactivated to grow a second hydrophobic poly(hexyl acrylate) block. A series of statistical copolymers of NVCL with N‐vinyl pyrrolidone, n‐hexyl acrylate, methacrylic acid, 2‐(diethylamino)ethyl methacrylate and 2‐(methacryloyloxy)benzoic acid with controlled dispersity were also prepared. 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By this copolymerization method the cloud point temperature of PNVCL was varied from 27 °C to 42 °C depending on comonomer type, content and pH of the aqueous solution.</description><subject>Acrylates</subject><subject>Aqueous solutions</subject><subject>Blocking</subject><subject>Copolymerization</subject><subject>Copolymers</subject><subject>LCST</subject><subject>Methacrylic acid</subject><subject>Molecular weight</subject><subject>RAFT</subject><subject>Rafts</subject><subject>thermoresponsive polymers</subject><subject>trithiocarbonates</subject><issn>1022-1360</issn><issn>1521-3900</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2013</creationdate><recordtype>article</recordtype><recordid>eNqFkUFv0zAYhiPEJMbgytnH7pBix3FCjiFiG6PtJtYVcbK-uF-GwYkz29WWP8NvxVWnidtO_iQ_z_vJfpPkA6NzRmn2sQc_zTPKMkppLl4lx0xkLOUVpa_jTLMsZbygb5K33v-OSFWV7Dj5e-1wBAdB24HYjlxbM81W6UYPk1EwOmtABehPyWy1aRanBIYtuQkR90ErMKSxYzR6dH5v7xnyoMMvsgGnoTVIGmN32xirh0DW2I8Yd-0cknYit14Pd6QmaxcNbRW41g4QkHyvz9akvsMhvEuOOjAe3z-dJ8nt2Zd1c5Eurs6_NvUiVbwqRcpbBjzfUsyzQsEnRSHvVB5vWIcFRdFCQblgFYq87LYCuCgzkQtegWIIyPlJMjvkxhff79AH2Wuv0BgY0O68ZEXJhKhiRkTnB1Q5673DTo5O9-AmyajcFyH3RcjnIqJQHYQHbXB6gZbL-ubn_256cON_4-OzC-6PLEpeCvljdS6XxcXl52y5kt_4P3ztnOA</recordid><startdate>201303</startdate><enddate>201303</enddate><creator>Ponce-Vargas, Sandra M.</creator><creator>Cortez-Lemus, Norma A.</creator><creator>Licea-Claveríe, Angel</creator><general>WILEY-VCH Verlag</general><general>WILEY‐VCH Verlag</general><scope>BSCLL</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7SR</scope><scope>8FD</scope><scope>JG9</scope></search><sort><creationdate>201303</creationdate><title>Preparation of Poly(N-Vinylcaprolactam) (NVCL) and Statistical Copolymers of NVCL with Variable Cloud Point Temperature by Using A Trithiocarbonate RAFT Agent</title><author>Ponce-Vargas, Sandra M. ; Cortez-Lemus, Norma A. ; Licea-Claveríe, Angel</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c3975-3b1a34d0e426ca8c0a4fc49751fe60e5ba603519e547fd5a357254539ac1eae33</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2013</creationdate><topic>Acrylates</topic><topic>Aqueous solutions</topic><topic>Blocking</topic><topic>Copolymerization</topic><topic>Copolymers</topic><topic>LCST</topic><topic>Methacrylic acid</topic><topic>Molecular weight</topic><topic>RAFT</topic><topic>Rafts</topic><topic>thermoresponsive polymers</topic><topic>trithiocarbonates</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Ponce-Vargas, Sandra M.</creatorcontrib><creatorcontrib>Cortez-Lemus, Norma A.</creatorcontrib><creatorcontrib>Licea-Claveríe, Angel</creatorcontrib><collection>Istex</collection><collection>CrossRef</collection><collection>Engineered Materials Abstracts</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><jtitle>Macromolecular symposia.</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Ponce-Vargas, Sandra M.</au><au>Cortez-Lemus, Norma A.</au><au>Licea-Claveríe, Angel</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Preparation of Poly(N-Vinylcaprolactam) (NVCL) and Statistical Copolymers of NVCL with Variable Cloud Point Temperature by Using A Trithiocarbonate RAFT Agent</atitle><jtitle>Macromolecular symposia.</jtitle><addtitle>Macromol. 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| identifier | ISSN: 1022-1360 |
| ispartof | Macromolecular symposia., 2013-03, Vol.325-326 (1), p.56-70 |
| issn | 1022-1360 1521-3900 |
| language | eng |
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| source | Wiley Online Library Journals Frontfile Complete |
| subjects | Acrylates Aqueous solutions Blocking Copolymerization Copolymers LCST Methacrylic acid Molecular weight RAFT Rafts thermoresponsive polymers trithiocarbonates |
| title | Preparation of Poly(N-Vinylcaprolactam) (NVCL) and Statistical Copolymers of NVCL with Variable Cloud Point Temperature by Using A Trithiocarbonate RAFT Agent |
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