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作 者:刘彬[1] 鄂永胜[1] 王强[1] LIU Bin;E Yongsheng;WANG Qiang(School of Biomedical and Chemical Engineering,Liaoning Institute of Science and Technology,Benxi Liaoning 117004,)
机构地区:[1]辽宁科技学院生物医药与化学工程学院,辽宁本溪117004
出 处:《当代化工》2024年第12期2953-2956,共4页Contemporary Chemical Industry
基 金:辽宁省教育厅面上项目(项目编号:LJKMZ20221679)。
摘 要:使用钨酸钠和四氯化钛合成11-钨钛合钛杂多酸,以此杂多酸为主催化剂、3-巯基丙酸为助催化剂、苯乙酮和苯酚为原料,经Friedel-Crafts反应合成双酚AP,考察了原料物质的量比、催化剂质量、反应温度和反应时间对产品纯度和收率的影响,得到最优的反应条件,双酚AP的纯度为98.85%,收率为87.28%。通过红外光谱表征了产品结构。用合成的双酚AP代替双酚A,采用三光气法制备双酚AP型聚碳酸酯,通过检测其玻璃化转变温度表明聚碳酸酯的耐热性能有了明显提高。11-Tungsten-titanium heteropoly acid was synthesized from sodium tungstate and titanium tetrachloride.4,4'-(1-Phenylethylidene)bisphenol was synthesized by Friedel-Crafts reaction with heteropoly acid as catalyst and 3-mercaptopropionic acid as cocatalyst using acetophenone and phenol as raw materials.The effects of molar ratio of raw material,amount of catalyst,reaction temperature and reaction time on the purity and yield of the product were investigated.The optimum reaction conditions were obtained.The purity of 4,4'-(1-phenylethylidene)bisphenol was 98.85%,and the yield was 87.28%.The product structure was characterized by infrared spectrum.The 4,4'-(1-phenylethylidene)bisphenol type polycarbonate was prepared with trisphosgene method by replacing bisphenol A with synthetic 4,4'-(1-phenylethylidene)bisphenol.The heat resistance of the polycarbonate was obviously improved by measuring its glass transition temperature.
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