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Method for producing trifluoro-propyl silicone oil by aid of ion exchange resin

The invention discloses a method for producing trifluoro-propyl silicone oil by the aid of ion exchange resin. The method includes pretreating cyclo-rectification byproducts and water to obtain supernatant oil layers, then feeding the supernatant oil layers into a container, feeding 1, 3, 5 (3, 3, 3-trifluoro-propyl) trimethyl cyclo-trisiloxane into the container, uniformly stirring and mixing the supernatant oil layers and the 1, 3, 5 (3, 3, 3-trifluoro-propyl) trimethyl cyclo-trisiloxane with one another to obtain first mixtures, heating the first mixtures, dehydrating the first mixtures under vacuum conditions, adding end-capping agents into the first mixtures after the vacuum is eliminated, adding catalysts into the container to obtain second mixtures, continuing to heat the second mixtures, carrying out reaction under the conditions of the normal pressure and the stirring speed of 200-230 r/min for 1-3 h, then carrying out suction filtration by the aid of filter bags and measuring the conversion rate of filter liquor; pouring filtered liquid materials in three-mouth flasks, then heating the filtered liquid, removing low-boiling-point substances for 1-5 h, placing filtered resin in containers and hermetically storing the filtered resin in the containers. Products are sampled, and indexes of the appearance, the viscosity, the density, volatile matters, the flashing points and the like of the products are detected. The method has the advantages that processes for producing the trifluoro-propyl silicone oil are simple, the trifluoro-propyl silicone oil can be continuously industrially produced by the aid of the method, the products are stable in quality, and index requirements on the indexes of the conversion rate, the viscosity, the density, the volatile matters, the flashing points and the like of the products can be met.
Owner:HUBEI XINGRUI SILICON MATERIAL CO LTD
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