| 第 48 卷第 2 期 |  | Vol. 48 No. 2 | | 2018 年 4 月 | Apr 2018 |
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所屬欄目：功能材料
乙�；舛讼┍季勖训暮铣� |
| 萬(wàn)慶梅1，王勝利2，劉志湘1
（1.浙江皇馬科技股份有限公司，浙江 上虞 312363；2.浙江綠科安化學(xué)有限公司，浙江 上虞 312359） |
| 摘 要：以乙酸酐為封端劑，合成乙�；舛讼┍季勖�，考察了乙酸酐和烯丙醇聚醚的物質(zhì)的量比、反應溫度、反應時(shí)間等條件對封端反應的影響。優(yōu)化了反應條件：n（乙酸酐）∶n（烯丙醇聚醚）=1.5∶1.0，120～125℃回流反應3 h。真空脫酸脫除過(guò)量的乙酸酐和生成的乙酸，最后使用庚烷共沸脫除微量的乙酸和乙酸酐。優(yōu)化條件下，乙�；舛讼┍季勖训姆舛寺蔬_95%以上，雙鍵保護率達90%以上，酸值小于0.1 mg KOH·g-1。用紅外光譜和凝膠色譜對反應產(chǎn)物進(jìn)行了表征。 |
| 關(guān)鍵詞：封端聚醚；烯丙醇聚醚；酯化封端 |
| 中圖分類(lèi)號：TQ328.3 TQ423 文獻標識碼：A 文章編號：1009-9212（2018）02-0059-03 |
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| Synthesis of Acetyl Capped Allyl Alcohol Polyether |
| WAN Qing-mei1, WANG Sheng-li2, LIU Zhi-xiang1
(1. Zhejiang Huangma Technology Co.,Ltd., Shangyu 312363, China; 2. Zhejiang Lükean Chemical Co., Ltd., Shangyu 312369, China) |
| Abstract：Using acetic anhydride as end-capping reagent, allyl alcohol polyether and acetic anhydride were reacted to obtain acetyl capped allyl alcohol polyether. Effects of factors including molar ratio of acetic anhydride and allyl alcohol polyether, reaction temperature, reaction time on the results of reaction were investigated. The optimal conditions were determined as: n(acetic anhydride)∶n(allyl alcohol polyether) equaled 1.5∶1.0; reaction temperature was of 120～125℃and reaction time was of 3 h. Excess acetic anhydride and acetic acid in the reaction were removed using vacuum pump and less acetic anhydride and acetic acid were distilled with heptane. The yield of end-capping reaction reached more than 95%. The retaining ratio of double bonds was more than 90% and the acid value was less than 0.1 mg KOH·g-1. The reaction products were characterized by the FTIR and GPC. |
| Key words：end capping polyether; allyl alcohol polyether; envelop-end of esterification |
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作者簡(jiǎn)介：萬(wàn)慶梅（1979-），女，山東德州人，高級工程師，碩士研究生，研究方向：表面活性劑的研究與開(kāi)發(fā)（E-mail：wanqingmei@huangma.com）。
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收稿日期：2018-04-22
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