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Preparation process of antioxidant 1425

A preparation process and antioxidant technology, applied in the field of preparation process of antioxidant 1425, can solve the problems of limitation, high cost, complex synthesis process of antioxidants, etc., to reduce costs, reduce the cumbersome process, and improve the scope of application and production efficiency

Pending Publication Date: 2021-04-13
SUQIAN RUIXING CHEM CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the disadvantages of this antioxidant, such as complex synthesis process and high cost, limit its application.

Method used

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Embodiment Construction

[0023] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. 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.

[0024] A kind of preparation technology of antioxidant 1425, comprises the following steps:

[0025] (1) The raw materials are stored uniformly through the storage tank, and the raw materials inside the storage tank are transported to the next step by the raw material pump;

[0026] (2) Utilize that the condensation kettle is provided with at the rear end of step (1), utilize to put in the raw material and the catalyst to the inside of the condensation kettle, utilize the effe...

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Abstract

The invention relates to the technical field of antioxidants, and discloses a preparation process of an antioxidant 1425. According to the preparation process of the antioxidant 1425, mixed raw material mixed liquid is conveyed into a distillation tower to be distilled after being filtered, the raw material mixed liquid in the distillation tower is heated through high temperature, sublimated fog water is conveyed into a condensation pipe for cooling through a pipeline, and the cooled water is processed and stored through a low-boiling-point component storage tank; a raw material pump machine and a special conveying pump machine are added in the steps, conveying of the pump machines is utilized, and a valve is arranged in a pipeline of a final finished product, so that it is guaranteed that internal antioxidant is isolated from a human body, and the situation that the effect of the antioxidant is poor due to the fact that external factors influence components of the internal antioxidant is avoided; and by means of process distillation, traditional process complexity is reduced, the cost is reduced, the application range is widened, and the production efficiency is improved.

Description

technical field [0001] The invention relates to the technical field of antioxidants, in particular to a preparation process of antioxidant 1425. Background technique [0002] In the 1970s, with the continuous deepening of the research on the mechanism of polymer stabilization and the increasingly stringent requirements for the performance of polymer products in the application field, the shortcomings of symmetrical hindered phenol antioxidants with strong steric hindrance effects became more and more obvious. . Asymmetric hindered phenol antioxidants stand out for their weak steric hindrance effect, easy formation of intermolecular hydrogen bonds between phenolic hydroxyl groups and ester bonds of thioesters, etc., thus making up for the shortcomings of symmetrical hindered phenol antioxidants. At present, commercialized asymmetric hindered phenol antioxidants include Irganox245, Cyanox1790 and ADKStabAO-80. Cyanox 1790 is a semi-hindered phenolic antioxidant developed by ...

Claims

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Application Information

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IPC IPC(8): C07F9/40C07C39/15C07C37/00C08K5/13C08K5/5333
CPCC07F9/4021C07C37/00C08K5/5333C08K5/13C07C39/15
Inventor 杨家臣吴双孟宪成朱顺吉
Owner SUQIAN RUIXING CHEM CO LTD
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