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Solid-Phase Radical Polymerization of Halogen-Bond-Based Crystals and Applications to Pre-Shaped Polymer Materials.
Angewandte Chemie International Edition ( IF 16.1 ) Pub Date : 2020-03-17 , DOI: 10.1002/anie.202001544 Hong Tho Le 1 , Chen-Gang Wang 1 , Atsushi Goto 1
Angewandte Chemie International Edition ( IF 16.1 ) Pub Date : 2020-03-17 , DOI: 10.1002/anie.202001544 Hong Tho Le 1 , Chen-Gang Wang 1 , Atsushi Goto 1
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Liquid vinyl monomers were converted into solid crystals via halogen bonding. They underwent solid‐phase radical polymerizations through heating at 40 °C or ultraviolet photo‐irradiation (365 nm). The X‐ray crystallography analysis showed the high degree of monomer alignment in the crystals. The polymerizations of the solid monomer crystals yielded polymers with high molecular weights and relatively low dispersities because of the high degree of the monomer alignment in the crystal. As a unique application of this system, the crystalized monomers were assembled to pre‐determined structures, followed by solid‐phase polymerization, to obtain a two‐layer polymer sheet and a three‐dimensional house‐shaped polymer material. The two‐layer sheet contained a unique asymmetric pore structure and exhibited a solvent‐responsive shape memory property and may find applications to asymmetric membranes and polymer actuators.
中文翻译：
卤素键基晶体的固相自由基聚合及其在预成型聚合物材料中的应用。
液态乙烯基单体通过卤素键转变为固体晶体。他们通过在40°C加热或紫外光辐照（365 nm）进行固相自由基聚合。X射线晶体学分析表明晶体中的单体排列高度。固体单体晶体的聚合产生具有高分子量和相对低分散性的聚合物，这是由于晶体中单体的高度取向。作为该系统的独特应用，将结晶的单体组装成预定的结构，然后进行固相聚合，以获得两层聚合物片和三维房屋形聚合物材料。
更新日期：2020-03-17
中文翻译：
卤素键基晶体的固相自由基聚合及其在预成型聚合物材料中的应用。
液态乙烯基单体通过卤素键转变为固体晶体。他们通过在40°C加热或紫外光辐照（365 nm）进行固相自由基聚合。X射线晶体学分析表明晶体中的单体排列高度。固体单体晶体的聚合产生具有高分子量和相对低分散性的聚合物，这是由于晶体中单体的高度取向。作为该系统的独特应用，将结晶的单体组装成预定的结构，然后进行固相聚合，以获得两层聚合物片和三维房屋形聚合物材料。
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