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Organic silicon defoaming agent with anti-cracking function

An organosilicon defoamer and a technology for its action, applied in the field of chemical synthesis, can solve problems such as unfavorable popularization and use, complicated technological process, etc., and achieve the effects of no adverse side effects, less dosage, and fast defoaming

Inactive Publication Date: 2017-02-01
合肥新万成环保科技有限公司
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  • Application Information

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Problems solved by technology

[0004] Present organosilicon defoamer, as disclosed in CN103830938B in the Chinese patent database. A kind of preparation method of organosilicon defoamer, etc., its technological process is more complicated, can not simultaneously defoaming, antifoaming, is unfavorable for popularizing and using

Method used

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Embodiment Construction

[0015] A silicone defoamer with anti-cracking effect, which is made from the following raw materials in parts by weight: simethicone oil 40, silicon dioxide 20, water 10, acrylic acid emulsion 1, potassium iodide 0.3, isopentenol 0.2, oxidized polyethylene wax 0.5, kerosene 0.3, tributyl citrate 0.4, calcium stearate 2, nonylphenol polyoxyethylene ether 0.4, bentonite 2, stearamide 1, fatty acid 1, butyl stearate 0.2 .

[0016] Described a kind of organosilicon defoamer with anti-cracking effect, preparation method comprises the following steps:

[0017] (1) Soak bentonite in 3% hydrochloric acid solution for 5 hours, drain and extrude into flakes, then activate with tumble dryer at 230°C for 20 minutes, crush into 150 mesh to obtain activated powder for later use;

[0018] (2) After mixing the activated powder with silicon dioxide, kerosene, tributyl citrate and calcium stearate, add appropriate amount of water, disperse evenly at 300rpm, then dry the slurry, and ball mill a...

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Abstract

The invention discloses an organic silicon defoaming agent with an anti-cracking function. The defoaming agent is prepared from, by weight, 40-70 parts of simethicone, 20-30 parts of silicon dioxide, 10-20 parts of water, 1-2 parts of acrylic acid emulsion, 0.3-0.5 part of potassium iodide, 0.2-0.4 part of prenyl alcohol, 0.5-1 part of oxidized polyethlene wax, 0.3-0.5 part of kerosene, 0.4-0.8 part of tributyl citrate, 2-4 parts of calcium stearate, 0.4-0.8 part of nonylphenol polyoxyethylene ether, 2-4 parts of bentonite, 1-2 parts of stearamide, 1-2 parts of fatty acid and 0.2-0.4 part of butyl stearate.

Description

technical field [0001] The invention relates to the technical field of chemical synthesis, in particular to an organic silicon defoamer with anti-cracking effect. Background technique [0002] In the process of industrial production, if there is a large amount of foam, it will bring a lot of troubles to the production process, such as the production capacity will be greatly limited; cause waste of raw materials and products; affect product quality; pollute the environment, etc. Therefore, how to effectively control the foam in the production process has become the focus of researchers. Nowadays, defoamers are generally used to eliminate foam generated in industrial production. [0003] Defoamers commonly used in industry can generally be divided into three categories: organic defoamers, silicone defoamers and polyether defoamers. Silicone defoamer is composed of dimethyl silicone oil and SiO2 in a certain proportion. The defoamer made in this way has the characteristics o...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01D19/04
CPCB01D19/0409
Inventor 杨成勇杨云胡亚琼任意何庆海
Owner 合肥新万成环保科技有限公司
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