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将自组装概念引入 Flory-Huggins格子理论 ,导出定向混合的氢键诱导侧链液晶高分子体系在各向同性相的混合自由能和各组分的化学势 ;由 Maier-Saupe平均场理论给出在向列相的混合自由能和各组分的化学势 ,建立了氢键诱导侧链液晶高分子的分子理论模型 .计算结果表明 ,由于氢键的方向性和饱和性决定自组装体中主客体的容纳能力 ,在相图上出现一个峰值 ;提高氢键相互作用参数和增加羧基含量 ,不仅自组装体的热稳定性增加 ,而且峰值向小分子含量低的方向移动 ;聚合物分子量对自组装体的热稳定性影响存在一个临界值 ,超过临界值后 ,热稳定性与分子量无关 .
The concept of self-assembly was introduced into the Flory-Huggins lattice theory to derive the mixed free energy of the side-chain liquid crystal polymer system in the isotropic mixed phase and the chemical potential of each component by the hydrogen bond-induced side-chain liquid crystal polymer system. The Maier-Saupe mean field theory The molecular theoretical model of hydrogen bond-induced side-chain liquid crystal polymer was established based on the mixed free energy of nematic phase and the chemical potential of each component. The calculated results show that the molecular orientation of the self-assembly host The accommodation capacity of the guest showed a peak on the phase diagram. Increasing the hydrogen bonding interaction parameters and increasing the carboxyl content not only increased the thermal stability of the self-assembly, but also moved the peak toward the low content of the small molecule. The molecular weight of the polymer Thermal stability of the assembly has a critical value, beyond the critical value, the thermal stability has nothing to do with the molecular weight.