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Synthesis of low surface energy thin films of nonhalogenated polyepichlorohydrin-triazoles with side alkyl chain
Surfaces and Interfaces ( IF 5.7 ) Pub Date : 2021-04-23 , DOI: 10.1016/j.surfin.2021.101153
Yu-Han Chen , Chih-Chia Cheng , Duu-Jong Lee

The dispersive and polar components of surface energy of a polymer thin film are hypothesized to be reduced by introduction of intramolecular interactions to pull side chains to the backbone and by establishment of hydrophobic interactions between extended alkyl chains to compact the molecular volume. A series of new polymer, polyepichlorohydrin (PECH)-triazole polymer with side chain with different number of methylene groups, were synthesized to prove this proposal. The newly synthesized polymer has high film-formation capacity and no halogens. The interactions between ether oxygen and imine nitrogen atoms depress the dipole effects and the hydrophobic interactions between extended methylene groups of the side chain on triazole compact the molecular volume, so the yielded surface energy has been effectively reduced to a level lower than PTFE. The synthesized polymer is a nonhalogenated low surface-energy material with potential applications.



中文翻译:

烷基侧链非卤代聚表氯醇-三唑低表面能薄膜的合成

假设通过引入分子内相互作用将侧链拉至主链并通过在延伸的烷基链之间建立疏水相互作用以压缩分子体积来降低聚合物薄膜表面能的分散和极性组分。合成了一系列新的聚合物,即具有不同亚甲基数量的侧链的聚环氧氯丙烷(PECH)-三唑聚合物,以证明该建议。新合成的聚合物具有高的成膜能力并且没有卤素。醚氧和亚胺氮原子之间的相互作用降低了偶极效应,三唑上侧链的延伸亚甲基之间的疏水相互作用使分子体积变小,因此所产生的表面能已有效降低至低于PTFE的水平。

更新日期:2021-05-03
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