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Silane coupling agent process flow Briefing

Dec 19, 2017

Silane coupling agent process flow Briefing: A certain amount of purified trichlorosilane (98%) and allyl chloride (99%) first into the mixing kettle and thoroughly mixed under nitrogen atmosphere with the bulk of the platinum compound Isopropanol solution into a vacuum of 0.03-0.04Mpa and flush with nitrogen addition kettle, oil bath heating, the control temperature at 50 ~ 60 ℃, fully reacted for 5 to 6 hours, during the reaction catalyst After the batch is added, the reaction solution is gradually warmed to 80 ° C. and refluxed. When the reflux solution gradually decreases until the reflux solution can not be seen, the reaction is terminated and the reaction solution is sent to a fractionator for fractionation. The pressure in the autoclave 0.04Mpa, temperature control at 160 ℃, points to low boiling point, the crude product was further distilled to obtain γ-chloropropyl trichlorosilane products.

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