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231223s2009 xx |||||o 00| ||eng c |
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|a 10.1021/la804060s
|2 doi
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|a eng
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| 100 |
1 |
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|a Lego, Béatrice
|e verfasserin
|4 aut
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1 |
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|a Polymer brush covalently attached to OH-functionalized mica surface via surface-initiated ATRP
|b control of grafting density and polymer chain length
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|c 2009
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
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|a Date Completed 02.06.2009
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|a Date Revised 19.11.2015
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|a published: Print
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|a Citation Status MEDLINE
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|a The controlled grafting density of poly(tert-butyl acrylate) was studied on OH-activated mica substrates via surface-initiated atom-transfer radical polymerization (ATRP). By properly adjusting parameters such as the immobilization reaction time and the concentration of an ATRP initiator, a wide range of initiator surface coverages and hence polymer densities on mica were possible. The covalently immobilized initiator successfully promoted the polymerization of tert-butyl acrylate on mica surfaces. The resulting polymer layer thickness was measured by AFM using a step-height method. Linear relationships of the polymer thickness with respect to the molecular weight of the free polymer and with respect to the monomer conversion were observed, suggesting that ATRP is well controlled and relatively densely end-grafted layers were obtained. The polymer grafting density controlled by adjusting the initiator surface coverage was confirmed by the polymer layer swelling capacity and film thickness measurements
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a Aluminum Silicates
|2 NLM
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| 650 |
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|a Polymers
|2 NLM
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|a Hydroxyl Radical
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|a 3352-57-6
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|a mica
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|a François, Marion
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|4 aut
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|a Skene, W G
|e verfasserin
|4 aut
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|a Giasson, Suzanne
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Langmuir : the ACS journal of surfaces and colloids
|d 1992
|g 25(2009), 9 vom: 05. Mai, Seite 5313-21
|w (DE-627)NLM098181009
|x 1520-5827
|7 nnns
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| 773 |
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|g volume:25
|g year:2009
|g number:9
|g day:05
|g month:05
|g pages:5313-21
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|u http://dx.doi.org/10.1021/la804060s
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