[1]符孟乐,于鼎杰,赵会晶,等.KFe/ZrO2的制备及催化合成丙烯酸羟丙酯[J].常州大学学报(自然科学版),2014,(01):18-22.[doi:10.3969/j.issn.2095-0411.2014.01.005]
　FU Meng-le,YU Ding-jie,ZHAO Hui-jing,et al.Study of KFe/ZrO2 Preparation and Catalytic Synthesis of Hydroxypropyl Acrylate[J].Journal of Changzhou University(Natural Science Edition),2014,(01):18-22.[doi:10.3969/j.issn.2095-0411.2014.01.005]
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KFe/ZrO2的制备及催化合成丙烯酸羟丙酯()
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常州大学学报(自然科学版)[ISSN:2095-0411/CN:32-1822/N]

卷:
期数:
2014年01期
页码:
18-22
栏目:
化学化工
出版日期:
2014-02-28

文章信息/Info

Title:
Study of KFe/ZrO2 Preparation and Catalytic Synthesis of Hydroxypropyl Acrylate
作者:
符孟乐；于鼎杰；赵会晶；朱煜；郭登峰；
常州大学 石油化工学院,江苏 常州 213164
Author(s):
FU Meng-le; YU Ding-jie; ZHAO Hui-jing; ZHU Yu; GUO Deng-feng
School of Chemistry Engineering,Changzhou University,Changzhou 213164,China
关键词:
KFe/ZrO2;  催化剂;  丙烯酸羟丙酯;  合成
Keywords:
KFe/ZrO2;  catalyst;  hydroxypropyl acrylate;  synthesis
分类号:
O625
DOI:
10.3969/j.issn.2095-0411.2014.01.005
文献标志码:
A
摘要:
以氟化钾为前驱体,硝酸铁为助催化剂,氧化锆为载体,浸渍法制备KFe/ZrO2固体碱催化剂,考察了焙烧温度、负载量对催化活性影响,采用X射线衍射(XRD)、透射电镜(TEM)和Hammett指示剂法等手段对催化剂进行表征,并对催化丙烯酸(AA)与环氧丙烷(PO)反应合成丙烯酸羟丙酯(HPA)的工艺进行了研究。结果表明:焙烧温度为500 ℃,负载量为40%时,催化剂的催化活性最高。合成丙烯酸羟丙酯适宜的工艺条件为:反应温度100 ℃,反应压力0.05～0.25 MPa,催化剂用量为2.0%,n(AA):n(PO)=1.1:1,反应时间为3.5 h,在此条件下,环氧丙烷转化率达97.7%,丙烯酸羟丙酯产率达77.8%。
Abstract:
KFe/ZrO2 catalysts,with KF as precursor and Fe(NO3)3 as promoter supported on ZrO2,were prepared by impregnation method.Their structures and surface alkalinity were characterized by XRD,TEM and Hammett indicator method,the activity of catalysts were investigated by synthesizing hydroxypropyl acrylate from acrylic acid and propylene epoxide.The results indicate that the catalyst showed the highest catalytic activity while the mass fraction of KF mixed with Fe(NO3)3 supported on ZrO2 was 40% and the calcinations temperature was 500 ℃.Conversion of PO achieved 97.7% and the yieldof hydroxypropyl acrylate attached 77.8% under the optimal reaction conditions:reaction temperature was 100 ℃,reaction pressure was controlled between 0.05～0.25 MPa,catalyst dosage was 2.0%,n(AA):n(PO)was 1.1:1 and reaction time was 3.5 h.The catalyst could be reused without treatment.

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备注/Memo

备注/Memo:
基金项目:国家自然科学基金项目资助(20671045); 江苏省高校自然科学研究重大项目资助(11KJA430007) 作者简介:符孟乐(1990-),男, 江西抚州人,硕士生; 通讯联系人:郭登峰。
更新日期/Last Update: 2014-02-20