化学世界
化學世界
화학세계
CHEMICAL WORLD
2010年
2期
91-95
,共5页
大豆油%环氧大豆油%反应动力学%活化能
大豆油%環氧大豆油%反應動力學%活化能
대두유%배양대두유%반응동역학%활화능
soybean oil%epoxidized soybean oil%kinetics%activation energy
通过大豆油中的双键与过氧酸发生环氧化反应,合成了环氧大豆油(ESO).从动力学的角度,对反应过程中的各种影响因素,进行了较详细的研究.得知大豆油与过氧甲酸反应,大豆油的反应级数为1级,过氧甲酸的反应级数为2级,其反应活化能为22.77 kJ/mol.生成的环氧大豆油与体系内的甲酸发生水解开环反应,环氧大豆油的反应级数为0.5级,甲酸的反应级数为1级,该反应活化能为4.91 kJ/mol.通过所得动力学参数设定了无催化剂的环氧大豆油合成工艺,得到了环氧值高达6.85的环氧大豆油.
通過大豆油中的雙鍵與過氧痠髮生環氧化反應,閤成瞭環氧大豆油(ESO).從動力學的角度,對反應過程中的各種影響因素,進行瞭較詳細的研究.得知大豆油與過氧甲痠反應,大豆油的反應級數為1級,過氧甲痠的反應級數為2級,其反應活化能為22.77 kJ/mol.生成的環氧大豆油與體繫內的甲痠髮生水解開環反應,環氧大豆油的反應級數為0.5級,甲痠的反應級數為1級,該反應活化能為4.91 kJ/mol.通過所得動力學參數設定瞭無催化劑的環氧大豆油閤成工藝,得到瞭環氧值高達6.85的環氧大豆油.
통과대두유중적쌍건여과양산발생배양화반응,합성료배양대두유(ESO).종동역학적각도,대반응과정중적각충영향인소,진행료교상세적연구.득지대두유여과양갑산반응,대두유적반응급수위1급,과양갑산적반응급수위2급,기반응활화능위22.77 kJ/mol.생성적배양대두유여체계내적갑산발생수해개배반응,배양대두유적반응급수위0.5급,갑산적반응급수위1급,해반응활화능위4.91 kJ/mol.통과소득동역학삼수설정료무최화제적배양대두유합성공예,득도료배양치고체6.85적배양대두유.
The epoxidized soybean oil(ESO)was synthesized through the reaction of the double bond in the soybean oil and the peroxyformic acid.The kinetics of the reaction was studied.The results shoused that the reaction order of soybean oil was 1,and that of the peroxyformin acid was 2.The activation energy of this reaction was 22.77 kJ/mol.Meanwhile,in the side reaction of ESO and methanoic acid,the reaction order of ESO was 0.5.and that of methanoic acid was 1.The activation energy of this reaction was 4.91 kJ/mol.The reaction of synthesizing ESO without catalyst was designed according to the kinetic parameters,and the epoxide number of ESO was 6.85.
