Surface Modification of Polymers by Reaction of Alkyl Radicals
详细信息 查看全文
- 作者：Dardan Hetemi ; Jér?me Médard ; Frédéric Kanoufi ; Catherine Combellas ; Jean Pinson ; Fetah I. Podvorica
- 刊名：Langmuir
- 出版年：2016
- 出版时间：January 19, 2016
- 年：2016
- 卷：32
- 期：2
- 页码：512-518
- 全文大小：478K
- ISSN：1520-5827
文摘
The surfaces of poly(methyl methacrylate) and polyethylene are modified either (i) by a two-step process including the thermal reaction of alkyl radicals derived from bromohexanoic acid in a mixture of 2,6-dimethylbenzene diazonium salt and neat isopentyl nitrite at 60 °C, followed by reaction with p-nitroaniline, anthraquinone, neutral red, and polyethylene glycol moieties, or (ii) by reaction of a previously anthraquinone-modified bromohexanoic acid. The modified surfaces are characterized by IR, XPS, UV, and water contact angles. A mechanism is proposed to rationalize the results. This approach is an efficient way to modify and pattern polymer surfaces with different organic groups and chemical functionalities under mild conditions.