Apparatus for producing methyl tetrahydrophthalic anhydride
A methyltetrahydrophthalic anhydride and production equipment technology, applied in the chemical field, can solve problems such as low melting point, low volatility, and failure to meet industrial production requirements, and achieve high benefits and increase the economic benefits of enterprises
Inactive Publication Date: 2018-02-23
嘉兴清洋新材料股份有限公司
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[0002] Liquid methyltetrahydrophthalic anhydride is an excellent curing agent for epoxy resin. It has the characteristics of low melting point, low toxicity, low volatility, etc., easy to use, high reactivity with epoxy resin, and good miscibility. The electrical insulation and mechanical properties of cured epoxy resin are excellent. In recent years, with the continuous improvement of the reliability of insulation performance in the electrical, electronic and electrical industries, the application of this type of curing agent has developed rapidly and has a good market prospect. , but the production of methyl tetrahydrophthalic anhydride in the prior art is inefficient and cannot meet the requirements of industrial production
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[0013] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0014] see Figure 1-2 , the present invention provides a technical solution: a production equipment of methyltetrahydrophthalic anhydride, comprising a raw material box 2, a first conveying pipe 3, a catalytic device 4, a second conveying pipe 5, a reaction device 6, and a third conveying pipe 8 , rectifying tower 8, gas outlet 9, liquid outlet 11, liquid conveying pipe 12, operating device 14, the right side of described raw material box 2 is provided with d...
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The invention discloses an apparatus for producing methyl tetrahydrophthalic anhydride. The apparatus for producing methyl tetrahydrophthalic anhydride comprises a raw material box, a first conveyingpipe, a catalysis device, a second conveying pipe, a reaction device, a third conveying pipe, a rectifying tower, an air outlet, a liquid outlet, a liquid conveying pipe and an operating device, wherein the left side of the raw material box is provided with the first conveying pipe, the left side of the first conveying pipe is provided with the catalysis device, and the left side of the catalysisdevice is provided with the second conveying pipe; the left side of the second conveying pipe is provided with the reaction device, the third conveying pipe is arranged on the left side of the reaction device, and the rectifying tower is arranged on the left side of the third conveying pipe; the air outlet is formed in the top of the rectifying tower, the liquid outlet is formed in the bottom of the rectifying tower, and the liquid conveying pipe is arranged at the bottom of the liquid outlet. The apparatus for producing methyl tetrahydrophthalic anhydride can be applied to the production of methyl tetrahydrophthalic anhydride, the main problem in the prior art that the efficiency of the production of methyl tetrahydrophthalic anhydride is low and the requirement of industrial production cannot be met is solved, and the apparatus has the advantages of being simple in structure and easy to implement.
Description
technical field [0001] The invention relates to the technical field of chemistry, in particular to a production equipment for methyl tetrahydrophthalic anhydride. Background technique [0002] Liquid methyltetrahydrophthalic anhydride is an excellent curing agent for epoxy resin. It has the characteristics of low melting point, low toxicity, low volatility, etc., easy to use, high reactivity with epoxy resin, and good miscibility. The electrical insulation and mechanical properties of cured epoxy resin are excellent. In recent years, with the continuous improvement of the reliability of insulation performance in the electrical, electronic and electrical industries, the application of this type of curing agent has developed rapidly and has a good market prospect. , but the prior art production of methyltetrahydrophthalic anhydride is inefficient and cannot meet the requirements of industrial production. Contents of the invention [0003] The object of the present invention...
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IPC IPC(8): C07D307/89
CPCC07D307/89
Inventor 倪建华
Owner 嘉兴清洋新材料股份有限公司