Synthesis of High Performance Composite Materials by using Charge transfer interaction and Their Mechanical Properties

在这项研究中，我们的注意力集中在一对具有吸引相互作用的聚合物上，如库仑相互作用和电荷转移相互作用。以1,3,5-三嗪类聚合物和硝化聚苯乙烯（NPS）为电子给体聚合物和电子受体聚合物。研究了NPS在复合材料中的分散与力学性能的关系。本研究可得到以下结果：(1)以6-二丁胺-1,3,5-三嗪-2,4-二硫醇和α， α′-二溴-对二甲苯或1,6-二溴-正己烷为原料，采用相转移催化两相缩聚反应，分别制备了高分子量的1,3,5-三嗪类聚合物（PTX）和（PTH）。(2)在氯仿溶液中共混可制得（PTX）或（PTH）与不同硝基含量的聚苯乙烯复合材料。（PTX/NPS）复合薄膜比（PTH/NPS）复合薄膜更透明，这是由于PTX与NPS的混相性更好。聚苯乙烯的硝化作用改善了PTX或PTH与NPS的混相，提高了NPS的抗拉强度。(3)与PTH薄膜相比，与NPS共混后PTX薄膜的力学性能得到了很大的改善。

In this study, Our attention has been focused on a pair of polymers having attractive interaction such as coulombic and charge transfer interactions. 1,3,5-triazine-containing polymers and nitrated poly(styrene)(NPS) were used as electron-donor polymers and electron-acceptor polymers, respectively. The relationship between dispersion of NPS in these composites and their mechanical properties was investigated. The following results could be obtained in this study.(1) 1,3,5-Triazine-containing polymers(PTX) and (PTH) with high molecular weights could be prepared from 6-dibutylamino-1,3,5-triazine-2,4-dithiol and α, α'-dibromo-p-xylene or 1,6-dibromo-n-hexane by the two phase polycondensation reaction with phase transfer catalyst, respectively.(2) The composites of (PTX) or (PTH) with poly(styrene) having various nitro group content could be obtained by the solution blend in chloroform. (PTX/NPS)composite films were more transparent than (PTH/NPS)composite films because of better miscibility between PTX and NPS. Nitration of poly(styrene) improved miscibility between PTX or PTH and NPS, which enhanced their tensile strength.(3) Mechanical properties of the PTX films were greatly improved by blending with NPS in comparison with those of the PTH films.