High-efficiency defoaming agent and preparation method thereof

A defoamer and high-efficiency technology, applied in the field of high-efficiency defoamer and its preparation, can solve the problems of harsh preparation equipment, potential safety hazards in the preparation process, and low defoaming efficiency, so as to achieve low equipment requirements and safe production process , good defoaming effect

Active Publication Date: 2017-12-22
NINGBO SHUNZE RUBBER
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The purpose of the present invention is to solve the shortcomings of low defoaming efficiency, harsh preparation equipment, and potential safety hazards in the preparation process in the prior art, and propose a high-efficiency defoamer and its preparation method

Method used

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  • High-efficiency defoaming agent and preparation method thereof

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Embodiment 1

[0022] A high-efficiency defoamer proposed by the present invention includes the following raw materials in parts by weight: 3 parts of organosiloxane, 15 parts of simethicone oil, 6 parts of hexenyl bis stearamide, 3 parts of monoglyceride stearate 2 parts, molybdenum disulfide 2 parts, montmorillonite powder 2 parts, metal oxide 3 parts, charcoal powder 4 parts, inorganic salt 4 parts, surfactant 2 parts, polyvinyl ether 25 parts.

[0023] Its preparation method comprises the following steps:

[0024] S1. Weigh the corresponding weight parts of simethicone and polyvinyl ether, and mix them evenly to obtain the mixed liquid A. Put the corresponding weight parts of organosiloxane into the dropping funnel, and mix it with 800r / min Stir the mixed solution A at a high speed, and at the same time add the organosiloxane in the dropping funnel dropwise to the mixed solution A, and the dropping time of the organosiloxane is 15min / L, and continue to stir after the organosiloxane is ad...

Embodiment 2

[0028] A high-efficiency defoamer proposed by the present invention includes the following raw materials in parts by weight: 2 parts of organosiloxane, 15 parts of simethicone, 5 parts of hexenyl bis stearamide, 3 parts of monoglyceride stearate 3 parts, molybdenum disulfide 3 parts, montmorillonite powder 2 parts, metal oxide 3 parts, charcoal powder 3 parts, inorganic salt 6 parts, surfactant 3 parts, polyvinyl ether 25 parts.

[0029] Its preparation method comprises the following steps:

[0030] S1. Weigh the corresponding weight parts of simethicone oil and polyvinyl ether, and mix them evenly to obtain the mixed solution A. Put the corresponding weight parts of organosiloxane into the dropping funnel, and use 1000r / min Stir the mixed solution A at a high speed, and at the same time add the organosiloxane in the dropping funnel dropwise to the mixed solution A, and the dropping time of the organosiloxane is 20min / L, and continue to stir after the organosiloxane is added d...

Embodiment 3

[0034] A high-efficiency defoamer proposed by the present invention includes the following raw materials in parts by weight: 4 parts of organosiloxane, 20 parts of simethicone oil, 6 parts of hexenyl bis stearamide, 3 parts of monoglyceride stearate 2 parts of molybdenum disulfide, 1 part of montmorillonite powder, 4 parts of metal oxide, 4 parts of charcoal powder, 6 parts of inorganic salt, 1 part of surfactant, and 25 parts of polyvinyl ether.

[0035] Its preparation method comprises the following steps:

[0036] S1. Weigh the corresponding weight parts of simethicone and polyvinyl ether, and mix them evenly to obtain the mixed liquid A. Put the corresponding weight parts of organosiloxane into the dropping funnel, and mix it with 800r / min Stir the mixed solution A at a high speed, and at the same time add the organosiloxane in the dropping funnel dropwise to the mixed solution A, and the dropping time of the organosiloxane is 20min / L, and continue to stir after the organo...

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Abstract

The invention belongs to the technical field of chemical preparations, and particularly relates to a high-efficiency defoaming agent and a preparation method thereof, which solves the problems in the prior art that the defoaming efficiency is low, the requirement on preparation equipment is strict, and the preparation process has safety potential hazard. The high-efficiency defoaming agent is prepared from the following raw materials: organosiloxane, dimethicone, hexenyl distearic amide, glycerol monostearate, molybdenum disulfide, montmorillonite powder, metal oxide, charcoal powder, inorganic salt, surfactant and polyvinylether. The preparation method comprises the following steps: S1, mixing dimethicone and polyvinylether, and adding organosiloxane; S2, slowing down, adding the hexenyl distearic amide, glycerol monostearate and surfactant, speeding up, adding the montmorillonite powder, molybdenum disulfide, charcoal powder and inorganic salt, then adding a 4A molecular sieve and metal oxide, thus obtaining the high-efficiency defoaming agent. The defoaming agent disclosed by the invention is stable in performance, good in defoaming effect, small in consumption amount, simple in preparation method, low in equipment requirement and safe in production process.

Description

technical field [0001] The invention relates to the technical field of chemical preparations, in particular to a high-efficiency defoamer and a preparation method thereof. Background technique [0002] Foam can be defined as a gas that exists stably in a liquid medium. Many harmful foams will be produced in the industrial production process of latex, textile sizing, food fermentation, biomedicine, pesticide, paint, petrochemical, papermaking and other industries, which will affect the production capacity of the factory, cause waste of raw materials, prolong the reaction cycle, and affect the product. Quality, etc., so it is often necessary to add a defoamer to reduce or avoid the generation of air bubbles. [0003] Theoretically speaking, defoamers can be divided into two ways: foam suppression and foam breaking. Foam suppression, as the name implies, refers to suppressing the generation of foam, that is to say, eliminating the favorable factors for foam generation from the...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01D19/04
Inventor 赵鸿宝张兆庆张国良陈建龙周挺宇刘同金胡沛华
Owner NINGBO SHUNZE RUBBER
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