Synthesis and surface characterization of poly(methyl methacrylate)-block-polydimethylsiloxane copolymers from macroazoinitiator
Poly(methyl methyacrylate)‐block‐polydimethylsiloxane (PMMA‐b‐PDMS) copolymers with various compositions were synthesized with PDMS‐containing macroazoinitiator (MAI), which was first prepared by a facile one‐step method in our lab. Results from the characterizations of X‐ray photoelectron spectrosc...
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| Veröffentlicht in: | Journal of applied polymer science 2007-06, Vol.104 (5), p.3356-3366 |
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| container_title | Journal of applied polymer science |
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| creator | Feng, Libang Fang, Hongxia Zhou, Shuxue Wu, Limin You, Bo |
| description | Poly(methyl methyacrylate)‐block‐polydimethylsiloxane (PMMA‐b‐PDMS) copolymers with various compositions were synthesized with PDMS‐containing macroazoinitiator (MAI), which was first prepared by a facile one‐step method in our lab. Results from the characterizations of X‐ray photoelectron spectroscopy (XPS), contact angle measurements, and atomic force microscopy (AFM) showed that the copolymer films took on a gradient of composition and more PDMS segments enriched at the film surfaces, which then resulted in the low surface free energy and little microphase separation at the film surfaces. By contrast, transmission electron microscopy (TEM) analysis demonstrated that distinct microphase separation occurred in bulk. Slight crosslinking of the block copolymers led to much steady morphology and more distinct microphase separation, in particularly for copolymers with low content of PDMS. © 2007 Wiley Periodicals, Inc. J Appl Polym Sci, 2007 |
| doi_str_mv | 10.1002/app.25940 |
| format | Article |
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Results from the characterizations of X‐ray photoelectron spectroscopy (XPS), contact angle measurements, and atomic force microscopy (AFM) showed that the copolymer films took on a gradient of composition and more PDMS segments enriched at the film surfaces, which then resulted in the low surface free energy and little microphase separation at the film surfaces. By contrast, transmission electron microscopy (TEM) analysis demonstrated that distinct microphase separation occurred in bulk. Slight crosslinking of the block copolymers led to much steady morphology and more distinct microphase separation, in particularly for copolymers with low content of PDMS. © 2007 Wiley Periodicals, Inc. 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Appl. Polym. Sci</addtitle><description>Poly(methyl methyacrylate)‐block‐polydimethylsiloxane (PMMA‐b‐PDMS) copolymers with various compositions were synthesized with PDMS‐containing macroazoinitiator (MAI), which was first prepared by a facile one‐step method in our lab. Results from the characterizations of X‐ray photoelectron spectroscopy (XPS), contact angle measurements, and atomic force microscopy (AFM) showed that the copolymer films took on a gradient of composition and more PDMS segments enriched at the film surfaces, which then resulted in the low surface free energy and little microphase separation at the film surfaces. By contrast, transmission electron microscopy (TEM) analysis demonstrated that distinct microphase separation occurred in bulk. Slight crosslinking of the block copolymers led to much steady morphology and more distinct microphase separation, in particularly for copolymers with low content of PDMS. © 2007 Wiley Periodicals, Inc. J Appl Polym Sci, 2007</description><subject>Applied sciences</subject><subject>block copolymers</subject><subject>Exact sciences and technology</subject><subject>Inorganic and organomineral polymers</subject><subject>macroazoinitiator</subject><subject>phase separation</subject><subject>Physicochemistry of polymers</subject><subject>polydimethylsiloxane</subject><subject>Preparation</subject><subject>surfaces</subject><issn>0021-8995</issn><issn>1097-4628</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2007</creationdate><recordtype>article</recordtype><recordid>eNp1kE1P3DAQhq2qlbqFHvoPcmlVDoFxPvxxpAi2SAiQSlVu1qxja12cOLWzKuHUn05CoD31NNLM8z4avYR8oHBIAYoj7PvDopYVvCIrCpLnFSvEa7KabjQXUtZvybuUfgJQWgNbkT_fxm7YmuRShl2TpV20qE2mtxhRDya6Bxxc6LJgsz748XNrhu3os3mgjqPHwRzkGx_0XT7fG7cAyflwj90kCvO6NTFlNoY2a6dUwIfgOjc4HELcJ28s-mTeP8898v3s9Obka35xtT4_Ob7IdckE5MLQTWORMiYNVFrwhgtLoS43wKjQEmrKZIUNyJKXBjaWIQWL3BqQzDBR7pFPi7eP4dfOpEG1Lmnj_fRl2CVVSMaqopjBgwWcHk0pGqv66FqMo6Kg5o7V1LF66nhiPz5LMWn0NmKnXfoXEJwyztjEHS3cb-fN-H-hOr6-fjHnS8Klwdz_TWC8U4yXvFY_Ltfqy62sby_PbtS6fASCup4f</recordid><startdate>20070605</startdate><enddate>20070605</enddate><creator>Feng, Libang</creator><creator>Fang, Hongxia</creator><creator>Zhou, Shuxue</creator><creator>Wu, Limin</creator><creator>You, Bo</creator><general>Wiley Subscription Services, Inc., A Wiley Company</general><general>Wiley</general><scope>BSCLL</scope><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7SR</scope><scope>8FD</scope><scope>JG9</scope></search><sort><creationdate>20070605</creationdate><title>Synthesis and surface characterization of poly(methyl methacrylate)-block-polydimethylsiloxane copolymers from macroazoinitiator</title><author>Feng, Libang ; Fang, Hongxia ; Zhou, Shuxue ; Wu, Limin ; You, Bo</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c3680-8e1bdfa1669e04c87d78f1053b0618c9051694ad09373e0bf6a10fa7fe096e683</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2007</creationdate><topic>Applied sciences</topic><topic>block copolymers</topic><topic>Exact sciences and technology</topic><topic>Inorganic and organomineral polymers</topic><topic>macroazoinitiator</topic><topic>phase separation</topic><topic>Physicochemistry of polymers</topic><topic>polydimethylsiloxane</topic><topic>Preparation</topic><topic>surfaces</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Feng, Libang</creatorcontrib><creatorcontrib>Fang, Hongxia</creatorcontrib><creatorcontrib>Zhou, Shuxue</creatorcontrib><creatorcontrib>Wu, Limin</creatorcontrib><creatorcontrib>You, Bo</creatorcontrib><collection>Istex</collection><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Engineered Materials Abstracts</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><jtitle>Journal of applied polymer science</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Feng, Libang</au><au>Fang, Hongxia</au><au>Zhou, Shuxue</au><au>Wu, Limin</au><au>You, Bo</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Synthesis and surface characterization of poly(methyl methacrylate)-block-polydimethylsiloxane copolymers from macroazoinitiator</atitle><jtitle>Journal of applied polymer science</jtitle><addtitle>J. Appl. Polym. Sci</addtitle><date>2007-06-05</date><risdate>2007</risdate><volume>104</volume><issue>5</issue><spage>3356</spage><epage>3366</epage><pages>3356-3366</pages><issn>0021-8995</issn><eissn>1097-4628</eissn><coden>JAPNAB</coden><abstract>Poly(methyl methyacrylate)‐block‐polydimethylsiloxane (PMMA‐b‐PDMS) copolymers with various compositions were synthesized with PDMS‐containing macroazoinitiator (MAI), which was first prepared by a facile one‐step method in our lab. Results from the characterizations of X‐ray photoelectron spectroscopy (XPS), contact angle measurements, and atomic force microscopy (AFM) showed that the copolymer films took on a gradient of composition and more PDMS segments enriched at the film surfaces, which then resulted in the low surface free energy and little microphase separation at the film surfaces. By contrast, transmission electron microscopy (TEM) analysis demonstrated that distinct microphase separation occurred in bulk. Slight crosslinking of the block copolymers led to much steady morphology and more distinct microphase separation, in particularly for copolymers with low content of PDMS. © 2007 Wiley Periodicals, Inc. J Appl Polym Sci, 2007</abstract><cop>Hoboken</cop><pub>Wiley Subscription Services, Inc., A Wiley Company</pub><doi>10.1002/app.25940</doi><tpages>11</tpages></addata></record> |
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| source | Wiley-Blackwell Journals |
| subjects | Applied sciences block copolymers Exact sciences and technology Inorganic and organomineral polymers macroazoinitiator phase separation Physicochemistry of polymers polydimethylsiloxane Preparation surfaces |
| title | Synthesis and surface characterization of poly(methyl methacrylate)-block-polydimethylsiloxane copolymers from macroazoinitiator |
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