A kind of oxygen avoidance device for free radical polymerization reaction
A polymerization reaction and free radical technology, applied in chemical/physical/physical-chemical stationary reactors, chemical/physical/physical-chemical processes, chemical instruments and methods, etc., can solve the problems of insufficient deoxygenation and complicated operation, etc. Achieve the effect of low cost, simple operation and shortened induction period
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Embodiment 1
[0027] Embodiment 1, reference figure 1 , Figure 3 to Figure 5
[0028] An oxygen avoidance device for free radical polymerization, comprising a magnetic stirrer 2 and an iron stand 1 arranged on one side of the magnetic stirrer, a constant temperature oil bath 3 is placed on the magnetic stirrer, and the constant temperature oil The bathing pot is provided with a reaction vessel 4 whose mouth is connected to the iron frame platform through the fixing clip 5. The reaction liquid is housed in the reaction vessel and is provided with a magnetic stirrer for stirring. The top of the reaction vessel is provided with three The opening 41 of the mouth is preferably a three-necked flask. The opening on the rightmost side of the reaction vessel is connected with a glass capillary 6 externally connected to an inert gas source. The other end of the glass capillary extends into the reaction vessel through the opening and the bottom is completely immersed in the reaction liquid to provi...
Embodiment 2
[0044] Embodiment 2, refer to Figure 2 to Figure 5
[0045] An oxygen avoidance device for free radical polymerization, comprising a magnetic stirrer 2 and an iron stand 1 arranged on one side of the magnetic stirrer, a constant temperature oil bath 3 is placed on the magnetic stirrer, and the constant temperature oil The bathing pot is provided with a reaction vessel 4 whose mouth is connected to the iron frame platform through the fixing clip 5. The reaction liquid is housed in the reaction vessel and is provided with a magnetic stirrer for stirring. The top of the reaction vessel is provided with two standard The opening 41 of the ground mouth is preferably a two-necked flask. The opening on the right side of the reaction vessel is connected with a glass capillary 6 externally connected to an inert gas source. The other end of the glass capillary extends into the reaction vessel through the opening and the bottom is completely immersed in the reaction liquid. An inert ga...
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