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首页> 外文期刊>Journal of Macromolecular Science. Pure and Applied Chemistry >Synthesis and characterization of new unsaturated polyesters containing 4-phenylcyclohexanone moiety in the main chain
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Synthesis and characterization of new unsaturated polyesters containing 4-phenylcyclohexanone moiety in the main chain

机译:主链含4-苯基环己酮部分的新型不饱和聚酯的合成与表征

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摘要

Two series of new unsaturated polyesters were prepared from 2,6-bis(p-hydroxidebenzylidene)-4-phenylcyclohexanone (I) and 2,6-divanillyidene-4-phenylcyclohexanone (II) with adipoyl, isophthaloyl, sebacoyl and terephthaloyl dichlorides utilizing the interfacial polycondensation technique at ambient temperature. In addition to that, the model compounds were synthesized by reacting (I) and (II) with benzoyl chloride. The model compound and polyester samples have been characterized by elemental and spectral analyses. The unsaturated polyesters have inherent viscosities of 0.96-1.63 dl/g. All the polyesters are amorphous and most of them are partially soluble in most common organic solvents, but easily soluble in concentrated sulfuric acid. Their glass transition temperatures (T-g) range from 190.15 to 245.28 degrees C, and the temperatures of 10% weight loss as high as 180 to 220 degrees C in air, indicating that these aromatic polyesters have high T-g and excellent thermal stability.
机译:由2,6-双(对羟基苄叉基)-4-苯基环己酮(I)和2,6-二vanillyidene-4-苯基环己酮(II)与己二酰基,间苯二甲酰基,癸二酰基和对苯二甲酰二氯制备两种新的不饱和聚酯系列。室温下的界面缩聚技术。除此之外,通过使(I)和(II)与苯甲酰氯反应来合成模型化合物。模型化合物和聚酯样品已通过元素分析和光谱分析进行了表征。不饱和聚酯的固有粘度为0.96-1.63dl / g。所有的聚酯都是无定形的,大多数都可部分溶于大多数常见的有机溶剂,但易溶于浓硫酸。它们的玻璃化转变温度(T-g)为190.15至245.28摄氏度,空气中10%失重的温度高达180至220摄氏度,表明这些芳族聚酯具有高的T-g和出色的热稳定性。

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