合成化学研究  >> Vol. 3 No. 2 (June 2015)

甲基羧乙基二聚氧乙烯基硅烷的合成与性能
Synthesis and Performance of Methyl Carboxyethyl Dipolyoxyetheylene Silicane

DOI: 10.12677/SSC.2015.32007, PDF, HTML, XML, 下载: 1,789  浏览: 5,479 

作者: 傅 宇*, 江珊珊*, 沈海民*, 武宏科, 史鸿鑫*:浙江工业大学化工学院,浙江 杭州

关键词: 有机硅表面活性剂甲基羧乙基二聚氧乙烯基硅烷石蜡乳液分散性离心稳定性Silicone Surfactant Methyl Carboxyethyl Dipolyoxyetheylene Silicane Paraffin Emulsion Dispersivity Centrifugal Stability

摘要: 研究了甲基羧乙基二聚氧乙烯基硅烷(I)的合成方法和乳化性能。甲基二氯硅烷(II)和丙烯酸(III)发生硅氢加成反应后,不经分离,直接以聚氧乙烯600醇解反应得到I,其化学结构经红外光谱分析表征。考察了原料配比、温度和时间对硅氢加成反应转化率的影响。在优化工艺条件下:n(II):n(III) = 1:1.2,0.002 g/mL氯铂酸异丙醇溶液0.125 mL,60 mL THF,0.02 mol II在55℃反应20 h,硅氢加成反应转化率达到75.3%。0.1% I水溶液的表面张力为37.0 mN/m,I用于45%石蜡乳液的制备,可有效提高乳液的分散性和离心稳定性。
Abstract: Synthesis and performance of methyl carboxyethyl dipolyoxyetheylene silicane (I) were investi-gated. Methyl carboxyethyl dipolyoxyetheylene silicane (I) was synthesized by addition of Si-H from methyldichlorosilae(II) and acrylic acid(III), and then by alcoholysis with polyoxy-ethylene- 600. The final product I was characterized by means of FT-IR. The effects of ratio of II and III, temperature and time on the conversion of Si-H addition were investigated respectively. In the optimal process conditions: n(II):n(III) = 1:1. 2, 0.125 mL 0.002 g/L H2PtCl6/i-PrOH solution, 0.02 mol II reacted at 55˚C for 20 h, and the conversion of Si-H addition was 75.3%. The surface tension of 0.1% aqueous solution of I is 37.0 mN/m. I was used in preparation of 45% paraffin emulsion and promoted effectively its dispersivity and centrifugal stability.

文章引用: 傅宇, 江珊珊, 沈海民, 武宏科, 史鸿鑫. 甲基羧乙基二聚氧乙烯基硅烷的合成与性能[J]. 合成化学研究, 2015, 3(2): 43-49. http://dx.doi.org/10.12677/SSC.2015.32007

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