昆明理工大学学报（自然科学版）
昆明理工大學學報（自然科學版）
곤명리공대학학보（자연과학판）
JOURNAL OF KUNMING UNIVERSITY OF SCIENCE AND TECHNOLOGY（SCIENCE AND TECHNOLOGY）
2014年
6期
107-109,124
,共4页
尹彦冰%金洺函%宋瑶
尹彥冰%金洺函%宋瑤
윤언빙%금명함%송요
H13Si2Mo13V5O62%催化%乙酸正丁酯%制备杂多酸%表征
H13Si2Mo13V5O62%催化%乙痠正丁酯%製備雜多痠%錶徵
H13Si2Mo13V5O62%최화%을산정정지%제비잡다산%표정
H13Si2Mo13V5O62%catalysis%n-Butyl acetate%preparation of heteropolyacid%characterization
采用分步加酸、乙醚－丙酮萃取的方法制备了H13Si2Mo13V5O62·24H2O杂多酸，通过IR、XRD、TG对其结构进行了表征．研究了其催化合成乙酸正丁酯的反应，考察了酸醇比、杂多酸用量、反应时间和反应温度等因素对反应的影响．最终确定最优反应条件为：催化剂用量为5％（按乙酸质量计算），酸醇摩尔比是1．0∶2．0，反应时间为75 min，反应温度为115℃．
採用分步加痠、乙醚－丙酮萃取的方法製備瞭H13Si2Mo13V5O62·24H2O雜多痠，通過IR、XRD、TG對其結構進行瞭錶徵．研究瞭其催化閤成乙痠正丁酯的反應，攷察瞭痠醇比、雜多痠用量、反應時間和反應溫度等因素對反應的影響．最終確定最優反應條件為：催化劑用量為5％（按乙痠質量計算），痠醇摩爾比是1．0∶2．0，反應時間為75 min，反應溫度為115℃．
채용분보가산、을미－병동췌취적방법제비료H13Si2Mo13V5O62·24H2O잡다산，통과IR、XRD、TG대기결구진행료표정．연구료기최화합성을산정정지적반응，고찰료산순비、잡다산용량、반응시간화반응온도등인소대반응적영향．최종학정최우반응조건위：최화제용량위5％（안을산질량계산），산순마이비시1．0∶2．0，반응시간위75 min，반응온도위115℃．
H13Si2Mo13V5O62·24H2O is synthesized by the modified method of gradually adding acid and being extracted by acetone-ether.Its structure is then characterized by means of IR,XRD and TG.Its′catalytic per-formance on synthesis of n-butyl acetate are then studied.The molar ratio of n-butyl alcohol to acetic acid,a-mount of catalyst,reaction time and temperature are investigated.The optimized condition are as follows:the a-mount of catalyst is 5% of the amount of acid;molar ratio of acetic acid and butyl alcohol is 1. 0∶2. 0;reaction time is 75 minutes;and temperature is 1 15 ℃.
