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首页> 外文期刊>RSC Advances >Synthesis and characterization of self-cross-linkable and bactericidal methacrylate polymers having renewable cardanol moieties for surface coating applications
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Synthesis and characterization of self-cross-linkable and bactericidal methacrylate polymers having renewable cardanol moieties for surface coating applications

机译：具有可再生腰果酚部分的自交联和杀菌甲基丙烯酸酯聚合物的合成和表征，用于表面涂料

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摘要

Polymers containing a renewable cardanol moiety were prepared via radical polymerization of 2-hydroxy-3-cardanylpropyl methacrylate (HCPM) and methyl methacrylate (MMA), where HCPM was synthesized by a reaction of cardanol with glycidyl methacrylate in the presence of a base catalyst. Incorporation of the cardanol moiety into PMMA was found to increase the thermal and mechanical stability of the brittle PMMA. When the cardanol based polymers were irradiated with UV light, the mechanical stability increased further because cross-linked networks were formed between the double bonds in the cardanol moieties. Cross-linked polymer films containing the cardanol moiety exhibited high gloss and transparency to visible light. Cardanol-containing polymers with and without the cross-linked networks and other cardanol-based polymers such as poly(cardanyl acrylate) and poly(2-acetoxy-3-cardanylpropyl methacrylate) all showed high antibacterial activity against Escherichia coli (E. coli), indicating that the disappearance of double bonds and/ or the structure changes of connecting groups do not diminish the intrinsic bactericidal properties of the cardanol moieties.
机译：含有可再生腰果酚部分的聚合物是通过甲基丙烯酸2-羟基-3-二氧戊基丙基酯（HCPM）和甲基丙烯酸甲酯（MMA）的自由基聚合反应制备的，其中HCPM是在基础催化剂存在下，通过腰果酚与甲基丙烯酸缩水甘油酯反应合成的。发现将腰果酚部分结合到PMMA中可以增加脆性PMMA的热稳定性和机械稳定性。当用紫外线照射基于腰果酚的聚合物时，由于在腰果酚部分中的双键之间形成了交联网络，因此机械稳定性进一步提高。含有腰果酚部分的交联的聚合物膜显示出对可见光的高光泽度和透明性。具有和不具有交联网络的含腰果酚的聚合物，以及其他基于腰果酚的聚合物，例如聚（丙烯酸丙二酯）和聚（甲基丙烯酸2-乙酰氧基-3-二氧戊酯丙基酯）均显示出对大肠杆菌（E. coli）的高抗菌活性。 ，表明双键的消失和/或连接基团的结构变化不会减弱腰果酚部分的固有杀菌特性。

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