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Scale inhibitor of silicon-containing monomer and preparation method thereof

A silicon monomer and antiscalant technology, applied in chemical instruments and methods, descaling and water softening, water/sludge/sewage treatment, etc., can solve the problems of increased chemical oxygen consumption, water eutrophication, water Pollution and other problems, to achieve the effect of easy control of conditions, simple production process, and good scale inhibition performance

Inactive Publication Date: 2018-07-03
李剑峰
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Excessive phosphorus content will promote the production of algae in cooling water and form "soft scale", which will cause eutrophication and "red tide" phenomenon after discharge: although many water-soluble polycarboxylic acid water treatment agents are non-toxic, they cannot Degradation, resulting in increased chemical oxygen consumption in water, and also pollutes water bodies

Method used

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  • Scale inhibitor of silicon-containing monomer and preparation method thereof
  • Scale inhibitor of silicon-containing monomer and preparation method thereof
  • Scale inhibitor of silicon-containing monomer and preparation method thereof

Examples

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preparation example Construction

[0020] A kind of preparation method of the antiscalant of silicon-containing monomer of the present invention, realizes by following steps:

[0021] (1) Add water, cardanol sulfonate, dimethylaminoethyl methacrylate, and silicon-containing monomers into the reaction kettle, start stirring, and raise the temperature to 100-120°C for 1-3 hours;

[0022] (2) After adding the initiator, the reaction is continued for 1 to 5 hours, and then the temperature is lowered and the material is discharged to obtain the scale inhibitor.

Embodiment 1

[0025] A silicon-containing monomer scale inhibitor of the present invention is made of the following raw material components in proportions by mass:

[0026]

[0027] A kind of preparation method of the antiscalant of silicon-containing monomer of the present invention, realizes by following steps:

[0028] (1) Add 58.4 parts of water, 26 parts of sodium cardanol sulfonate, 9 parts of dimethylaminoethyl methacrylate, and 6 parts of vinyl tris(2-methoxyethoxy)silane into the reactor, and start Stir and heat up to 108°C for 2 hours;

[0029] (2) After adding 0.6 parts of sodium persulfate and continuing to react for 3.5 hours, the temperature was lowered and the material was discharged to obtain the scale inhibitor.

Embodiment 2

[0031] A silicon-containing monomer scale inhibitor of the present invention is made of the following raw material components in proportions by mass:

[0032]

[0033] A kind of preparation method of the antiscalant of silicon-containing monomer of the present invention, realizes by following steps:

[0034] (1) Add 59.2 parts of water, 28 parts of sodium cardanol sulfonate, 5 parts of dimethylaminoethyl methacrylate, and 7 parts of vinyl tris(2-methoxyethoxy)silane into the reactor, and start Stir and heat up to 105°C for 2.5 hours;

[0035] (2) After adding 0.8 parts of sodium persulfate and continuing to react for 4.5 hours, the temperature was lowered and the material was discharged to obtain the scale inhibitor.

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Abstract

The invention provides a scale inhibitor of silicon-containing monomer and a preparation method thereof. The preparation method comprises the following steps: (1) adding water, cardanol sulfonate, dimethylaminoethyl methacrylate and a silicon-containing monomer into a reaction kettle, starting to stir, increasing the temperature to 100-120 DEG C to react for 1-3 hours; and (2) adding an initiator,keeping on reacting for 1-5 hours, cooling and discharging to obtain the scale inhibitor.

Description

technical field [0001] The invention belongs to the field of fine chemical industry, in particular to a silicon-containing monomer scale inhibitor and a preparation method thereof. Background technique [0002] Water is the basic substance that maintains the gestation, growth and development of all life on earth, and is also the basic driving force for the emergence, development and prosperity of human society. my country has a vast territory and a dense population. Compared with other countries, the per capita water resources share is relatively low. As a representative of developing countries, the economy has developed rapidly in recent years, and the resulting consumption of water resources has also increased day by day. The more difficult The problem is the deteriorating water environment. As one of the important influencing factors, the shortage of water resources and the pollution of water environment have seriously hampered the stable and sustainable development of my...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08F212/14C08F220/34C08F230/08C02F5/10
CPCC02F5/10C08F212/14C08F220/34C08F230/08
Inventor 李剑峰
Owner 李剑峰
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