石油化工1128PETROCHEMICAL TECHNOLOGY2014年第43卷第10期ⅩRD表征氯化鎂乙醇醇合物的結(jié)構(gòu)岑為,夏先知,劉月祥,毛炳權(quán)(中國(guó)石化北京化工研究院,北京100013)[摘要]制備了一系列乙醇與MgCl2摩爾比(簡(jiǎn)稱醇鎂比)不同的MgCl2醇合物,采用XRD方法研究了MgCl2醇合物的晶體結(jié)構(gòu),并通過對(duì)晶胞參數(shù)的計(jì)算分析了MgCl醇合物中結(jié)構(gòu)穩(wěn)定的組分。表征結(jié)果顯示,醇鎂比在1.5-6之間的MgCl2醇合物有4種結(jié)構(gòu)穩(wěn)定的組分,分別為MgCl26EOH,MgCl23.33EtOH,MgCl22.8EOH,MgC21.5EOH。不同醇鎂比的MgCl2醇合物是由這4種結(jié)構(gòu)穩(wěn)定的組分中的一種或幾種組成的。關(guān)鍵詞]氯化鎂醇合物;丙烯聚合催化劑載體;Ⅹ射線粉末衍射;脫醇[文章編號(hào)]1000-8144(2014)10-128-05[中圖分類號(hào)]TQ42665文獻(xiàn)標(biāo)志碼]ACharacterization of Magnesium Chloride-Ethanol Adduct byX-Ray Powder DiffractionCen Wei, Xia Xianzhi, Liu Yuexiang, Mao bingquan(SINOPEC Beijing Research Institute of Chemical Industry, Beijing 100013, China)Abstract] Magnesium chloride-ethanol adducts, which were used as catalyst supports forpropylene polymerization, with different molar ratio of EtoH to MgCI,(n)were prepared andcharacterized by means of X-ray powder diffraction. The components of the adducts were investigatedthrough the calculation of the unit cell parameters of their crystal structures. It was showed that therewere four stable crystal structures in the Mg Cl, nEtoH adducts with 1.5