337P日本大胆欧美裸体艺术_久久久久精品无码专区_一个人看的免费视频WWW中文字幕_欧美熟妇精品视频网免费观看
第 49 卷第 3 期Vol. 49 No. 3
2019 年 6 月Jun 2019

所屬欄目:功能材料

脂肪醇多元酸酯的合成工藝研究
劉志湘,萬(wàn)慶梅,王 震 (浙江皇馬科技股份有限公司,浙江 紹興 312363)
摘 要:以SO42-/TiO2為催化劑,進(jìn)行偏苯三酸酐和異十三醇的酯化反應,合成了其脂肪醇多元酸酯?疾炝舜呋瘎┑倪x擇、催化劑用量、醇酸配比、反應溫度、反應時(shí)間等條件對酯化反應的影響。優(yōu)化合成條件為:以SO42-/TiO2為催化劑,n(多元酸)∶n(脂肪醇)= 1.0∶3.5,催化劑用量為總反應物質(zhì)量的0.20%,200℃回流反應6 h。優(yōu)化條件下,酯化率在99.5%以上。
關(guān)鍵詞:脂肪醇多元酸酯;偏苯三酸酐;異十三醇
中圖分類(lèi)號:TQ 612.1,TS 193.2  文獻標識碼:A  文章編號:1009-9212(2019)03-0057-03
Preparation of Fatty Alcohol Polyester
LIU Zhi-xiang ,WAN Qing-mei,WANG Zhen (Zhejiang Huangma Technology Co., Ltd., Shaoxing 312363, China)
Abstract:EEsterification reaction of polyacid with fatty alcohol using SO42-/TiO2 as catalyst was investigated. The effects of factors including catalyst selection, catalyst dosage, molar ratio of alkyd, reaction temperature and reaction time on esterification were evaluated. The results showed that the optimal synthesis conditions were as followings: SO42-/TiO2 was used as catalyst; the ratio of n(polyacid) to n(fatty alcohol) was of 1.0∶3.5; catalyst dosage was 0.20% of the total mass of reactants; reflux reaction was performed at 200℃ for 6 h. Under these conditions, the degree of esterification was of more than 99.5%.
Key words:fatty alcohol polybasic acid ester; triphenyltriacid; isotridecanol
作者簡(jiǎn)介:劉志湘(1972-),女,湖南株洲人,高級工程師,研究方向:表面活性劑的合成與應用(E-mail:418179170@qq.com)。
收稿日期:2019-06-05
337P日本大胆欧美裸体艺术_久久久久精品无码专区_一个人看的免费视频WWW中文字幕_欧美熟妇精品视频网免费观看