Acrylate modified silicone oil and preparation method thereof
A technology of acrylate and allyl acrylate, which is applied in the field of acrylate-modified silicone oil and its preparation, can solve the problem of low product quality and yield of acrylate-modified silicone oil, difficulty in synthesizing acrylate-modified silicone oil, and preparation methods to be solved. Improvement and other problems, to achieve the effect of improving crosslinking phenomenon and self-polymerization phenomenon, promoting hydrosilylation reaction, and improving synthesis quality
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Embodiment 1
[0050] The preparation method of the acrylic acid modified silicone oil provided by embodiment 1 may further comprise the steps:
[0051] S1: Stir allyl acrylate, rhodium catalyst and polymerization inhibitor in the preparation tank at a stirring speed of 200r / min for 1 hour according to the above ratio, and cool down to 8°C during the stirring process to obtain a mixed raw material;
[0052] S2: put hydrogen-containing silicone oil into the feeding tank, and stir at a stirring speed of 200r / min, and adjust the temperature to 15°C to obtain pretreated hydrogen-containing silicone oil;
[0053] S3: Add the pretreated hydrogen-containing silicone oil to the mixed raw materials, stir the mixed solution at a stirring speed of 100r / min, wait for the temperature to stabilize and then raise the temperature to 70°C, and continue the heat preservation reaction for 2h;
[0054] Step S1 and step S2 are in no particular order.
[0055] After the above steps, the acrylic modified silicone...
Embodiment 15
[0059] The difference from Example 13 is that when preparing the acrylic modified silicone oil, the temperature of the mixed raw material is controlled at 7°C, and the temperature of the hydrogen-containing silicone oil is 14°C.
Embodiment 16
[0061] The difference from Example 13 is that when preparing the acrylic modified silicone oil, the temperature of the mixed raw materials is controlled at 6°C, and the temperature of the hydrogen-containing silicone oil is 12°C.
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