Synthesis and characterization of polylimonene: Polymer of an optically active terpene

Singh A.; Kamal M.

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Synthesis and characterization of polylimonene: Polymer of an optically active terpene

机译：聚柠檬烯的合成与表征：旋光萜烯的聚合物

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Radical polymerization of limonene (limonene) using benzoyl peroxide (BPO) as an initiator at 85°C ± 1°C under an inert atmosphere of nitrogen in xylene as solvent was carried out. The system follows nonideal kinetics: R _p α [I] ~(0.3) [M] ~(1.4), due to both primary radical termination and degradative chain transfer reaction. The activation energy of the polymerization was estimated to be 22.97 kJ mol ~(-1). ~1H-NMR spectrum of polymer shows the presence of a triplet between 2 and 2.5 δ, which reveals that β-carbon of limonene is the active site in the polymerization of limonene. The FTIR spectrum of the polymer shows band at 1645 cm ~(-1) due to gem disubstituted C=C stretching vibrations. The glass transition temperature (T _g) of the polylimonene of the polylimonene is 116°C.

机译：以过氧化苯甲酰（BPO）为引发剂，在氮气，二甲苯中的惰性气氛下，在85℃±1℃下，进行柠檬烯的自由基聚合。该系统遵循非理想动力学：R _pα[I]〜（0.3）[M]〜（1.4），这是由于伯自由基终止和降解链转移反应所致。聚合反应的活化能估计为22.97 kJ mol〜（-1）。聚合物的〜1 H-NMR光谱显示在2-3和2.5δ之间存在三重态，这表明柠檬烯的β-碳是柠檬烯聚合中的活性位点。聚合物的FTIR光谱显示出由于宝石二取代的C ＝ C拉伸振动而在1645cm 1（-1）处的能带。聚柠檬烯的聚柠檬烯的玻璃化转变温度（T _g）为116℃。

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《Journal of Applied Polymer Science》 |2012年第2期|共4页
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Singh A.; Kamal M.;
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正文语种 eng
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kinetics; limonene; mechanism; radical polymerization;

机译：动力学柠檬烯机理自由基聚合;

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Synthesis and characterization of polylimonene: Polymer of an optically active terpene

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