应用化工
應用化工
응용화공
APPLIED CHEMICAL INDUSTRY
2014年
8期
1549-1552
,共4页
磷钼钒杂多酸盐%苯甲醛%乙二醇%缩醛反应
燐鉬釩雜多痠鹽%苯甲醛%乙二醇%縮醛反應
린목범잡다산염%분갑철%을이순%축철반응
P-Mo-V heteropoly acid salt%benzaldehyde%ethylene glycol%acetal reaction
合成了Dawson型磷钼钒杂多酸盐，通过苯甲醛乙二醇缩醛反应，研究了催化剂用量、种类对反应过程的影响，并讨论了催化剂的重复使用性能。结果表明，UH6 P2 Mo15 V3 O62/Pa催化剂对苯甲醛和乙二醇缩醛反应具有较好的催化活性；随着催化剂用量的增加，苯甲醛的转化率逐渐增大，催化剂用量增加到0.2 g时，转化率达到93.3%；之后，苯甲醛的转化率随催化剂用量增加变化很小，0.2 g为催化剂适宜用量；催化剂具有良好的重复使用性能。
閤成瞭Dawson型燐鉬釩雜多痠鹽，通過苯甲醛乙二醇縮醛反應，研究瞭催化劑用量、種類對反應過程的影響，併討論瞭催化劑的重複使用性能。結果錶明，UH6 P2 Mo15 V3 O62/Pa催化劑對苯甲醛和乙二醇縮醛反應具有較好的催化活性；隨著催化劑用量的增加，苯甲醛的轉化率逐漸增大，催化劑用量增加到0.2 g時，轉化率達到93.3%；之後，苯甲醛的轉化率隨催化劑用量增加變化很小，0.2 g為催化劑適宜用量；催化劑具有良好的重複使用性能。
합성료Dawson형린목범잡다산염，통과분갑철을이순축철반응，연구료최화제용량、충류대반응과정적영향，병토론료최화제적중복사용성능。결과표명，UH6 P2 Mo15 V3 O62/Pa최화제대분갑철화을이순축철반응구유교호적최화활성；수착최화제용량적증가，분갑철적전화솔축점증대，최화제용량증가도0.2 g시，전화솔체도93.3%；지후，분갑철적전화솔수최화제용량증가변화흔소，0.2 g위최화제괄의용량；최화제구유량호적중복사용성능。
Dawson P-Mo-V cobalt heteropolyacid salts were synthesized by acetal reaction of benzaldehyde ethylene glycol. The influence of catalyst dosage and species on the reaction process was investigated,and the performance of the catalyst used in repeated experiments are discussed. The results shows that UH6 P2 Mo15 V3 O62/PaAPTES has better catalytic activity compared with UH6 P2 Mo15 V3 O62/P in the process of acetal reaction for benzaldehyde ethylene glycol. Conversion rate of benzaldehyde increases with catalyst dosage increasing. And the conversion rate reaches up to 93. 3% when the catalyst dosage is 0. 2 g. And conversion rate of benzaldehyde is no longer increasing with the catalyst dosage increasing. The optimal dosage of catalyst is 0. 2 g and it has good performance on repeatability.
