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Thermally reversible materials based on thermosetting systems modified with polymer dispersed liquid crystals for optoelectronic application

机译:基于热固性体系的热可逆材料,其经聚合物分散的液晶改性,可用于光电应用

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摘要

The main aim of this research was the generation of new intelligent materials, in this case thermoreversible material, based on an epoxy matrix modified with liquid crystal for optoelectronic application. The samples were prepared by the reaction-induced phase separation (RIPS) of a solution of 4'-(hexyloxy)-4-biphenyl-carbonitrile (HOBC) and polystyrene (PS) in diglicydylether of bisphenol-A epoxy resin (DGEBA). The systems were cured with a stoichiometric amount of an aromatic amine hardener, 4,4'-methylene bis(3-chloro-2,6-diethylaniline) (MCDEA). Taken into account results obtained by differential scanning calorimetry (DSC) and transmission optical microscopy (TOM) equipped with a hot stage it was found that depending on morphology generated by RIPS of HOBC/thermoplastic particles in the epoxy matrix thermally reversible light scattering (TRLS) material can be obtained.
机译:这项研究的主要目的是产生新的智能材料,在这种情况下为热可逆材料,该材料基于液晶改性的环氧基质,用于光电应用。通过在双酚A环氧树脂(DGEBA)的二乙二烷基醚中4'-(己氧基)-4-联苯甲腈(HOBC)和聚苯乙烯(PS)的溶液的反应诱导相分离(RIPS)制备样品。用化学计量的芳族胺硬化剂4,4'-亚甲基双(3-氯-2,6-二乙基苯胺)(MCDEA)固化该体系。考虑到通过差示扫描量热法(DSC)和配备热台的透射光学显微镜(TOM)获得的结果,发现根据环氧基质中HOBC /热塑性颗粒的RIPS生成的形态,热可逆光散射(TRLS)可以获得材料。

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