Compatibilization of epoxidized triblock copolymer on the generation of self-assembled nanostructured epoxies and their surface wettability

Remya Vasudevan Pillai R.; Jose Varghese Rajendran; Parani Sundararajan; Sakho El Hadji Mamour; Oluwafemi Oluwatobi S.; Thomas Sabu

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Compatibilization of epoxidized triblock copolymer on the generation of self-assembled nanostructured epoxies and their surface wettability

机译：环氧化三嵌段共聚物对自组装纳米结构环氧树脂的产生及其表面润湿性的相容化

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In this work, we have successfully synthesized epoxidized poly(styrene-block-butadiene-block-styrene) with the highest epoxidation degree (55 mol%) for the first time by using metachloroperbenzoic acid method. This highly epoxidized styrene-butadiene-styrene (eSBS) block copolymer exhibited good compatibility with the epoxy (diglycidylether of bisphenol-A)/ eSBS block copolymer- 4,4 '-diamino diphenyl methane blend. Transmission electron microscope images showed that the eSBS block copolymer formed spherical nanostructure morphology within the blend due to reaction induced phase separation. The addition of eSBS block copolymer in the system significantly improved the wetting parameters such as hydrophilicity, surface free energy, work of adhesion, spreading coefficient and Girifalco-Good's interaction parameter values, which are discussed in detail. The as-prepared self-assembled nanostructured epoxy system will be useful in highly toughened coating applications such as aircraft, automobile, and flooring industries.

机译：在这项工作中，我们首次用间氯过苯甲酸法成功合成了环氧化度最高（55 mol%）的环氧化聚（苯乙烯嵌段丁二烯嵌段苯乙烯）。这种高度环氧化的苯乙烯-丁二烯-苯乙烯（eSBS）嵌段共聚物与环氧树脂（双酚A的二缩水甘油酯）/eSBS嵌段共聚物-4,4'-二氨基二苯甲烷混合物具有良好的相容性。透射电子显微镜图像显示，由于反应诱导相分离，eSBS嵌段共聚物在共混物内形成球形纳米结构形态。eSBS嵌段共聚物的加入显著改善了润湿参数，如亲水性、表面自由能、粘附功、铺展系数和Girifalco-Good的相互作用参数值，对此进行了详细讨论。所制备的自组装纳米结构环氧树脂系统将用于高度增韧的涂层应用，如飞机、汽车和地板行业。

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来源
《Journal of Applied Polymer Science》 |2021年第10期|共13页
作者
Remya Vasudevan Pillai R.; Jose Varghese Rajendran; Parani Sundararajan; Sakho El Hadji Mamour; Oluwafemi Oluwatobi S.; Thomas Sabu;
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作者单位

Univ Johannesburg Dept Chem Sci POB 17011 ZA-2028 Johannesburg South Africa;

Univ Johannesburg Dept Chem Sci POB 17011 ZA-2028 Johannesburg South Africa;

Univ Johannesburg Dept Chem Sci POB 17011 ZA-2028 Johannesburg South Africa;

Univ Johannesburg Dept Chem Sci POB 17011 ZA-2028 Johannesburg South Africa;

Univ Johannesburg Dept Chem Sci POB 17011 ZA-2028 Johannesburg South Africa;

Mahatma Gandhi Univ Int &

Inter Univ Ctr Nanosci &

Nanotechnol Sch Energy Mat Kottayam Kerala India;

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原文格式 PDF
正文语种 eng
中图分类高分子化合物工业（高聚物工业）;
关键词
blends; coatings; compatibilization; nanostructured polymers; self-assembly;

机译：融合;涂料;相容化;纳米结构聚合物;自组装;

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机译：环氧树脂和环氧化的苯乙烯-嵌段-丁二烯-嵌段-苯乙烯三嵌段共聚物体系的微纳米结构热固性共混物的固化动力学和热稳定性
5. Nanostructured systems based on SBS epoxidized triblock copolymers and well-dispersed alumina/epoxy matrix composites [J] . Connie Ocando, Agnieszka Tercjak, Inaki Mondragon Composites Science and Technology . 2010,第7期

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6. Nanostructures and Surface Hydrophobicity of Self-Assembled Thermosets Involving Epoxy Resin and Poly(2,2,2-trifluoroethyl acrylate)-block-Poly(ethylene oxide)Amphiphilic Diblock Copolymer [J] . Fangping Yi, Sixun Zheng, Tianxi Liu The journal of physical chemistry, B. Condensed matter, materials, surfaces, interfaces & biophysical . 2009,第7期

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7. Study Morphology Transitions in Self-assembled Triblock Copolymer Thin Films with Nanostructures by AFM [C] . Yongzhi Cao, Shen Dong, Yingchun Liang, International Manufacturing Conference in China; 20060921-23; Xi'an(CN) . 2006

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机译：自组装线圈 - 棒 - 线圈三嵌段共聚物的电活性和光活性纳米结构材料

Compatibilization of epoxidized triblock copolymer on the generation of self-assembled nanostructured epoxies and their surface wettability

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