Study on Preparation of Octyltrimethoxysilane

Xiang Cheng Wang; Jian Li; Jian Bing; Gao Yun Chen

doi:10.4028/www.scientific.net/AMR.712-715.298

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 712-715Study on Preparation of Octyltrimethoxysilane

Study on Preparation of Octyltrimethoxysilane

Abstract:

Octyltrimethoxysilane was synthesized by octane and trimethoxysilane, and octane was synthesized by grignard reagent. The main effects of reacting conditions on the yield were discussed and the optimum experimental conditions were studied. Used 3-bromopropene and 1-Brompentane as raw materials, the molar ratio of octane: magnesium was 1:1.2. Droplets time was 3 hours, the reacting time in 1 hour, and yield was 45.6%. Target compounds were analysised through GC-MS. Then, used choroplatinicacid isopropanol as catalyst, octane reacted with trimethoxysilane to gain octyltrimethoxysilane, the time of activation of catalyst was 1 hour ,reacting time 1 hour, and the yield was up to 65.4%. Study found that using 1-Brompentane Grignard reagent and 3-bromopropene could extend the carbon chain successfully. On the contrary, using 3-bromopropene Grignard reagent and 1-Brompentane to react, the rate of conversion was very low, a large number of decane generated, rather than octane.

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Periodical:

Advanced Materials Research (Volumes 712-715)

Pages:

298-301

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.712-715.298

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Online since:

June 2013

Authors:

Xiang Cheng Wang, Jian Li, Jian Bing, Gao Yun Chen

Keywords:

1-Octylene, Hydrosilylation, Octyltrimethoxysilane, Trimethoxysilane

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