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Plasticizer

A plasticizer and phthalic anhydride technology, applied in the field of additives, can solve the problems of high production cost, complex production method, and large restrictions, and achieve the effects of low volatility, good speed-up effect, and good compatibility

Inactive Publication Date: 2012-05-23
王琴
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the prior art, there are many production methods of ceramic additives, but most of the production methods are relatively complicated, the production cost is high, and they are greatly restricted by the requirements of ceramic technology

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0014] A kind of plasticizer, it is characterized in that: described raw material comprises: phthalic anhydride, sulfuric acid, 2-ethylhexanol, soda ash (concentration 4%), activated carbon, and its specific weight portion is: phthalic anhydride 35 parts, sulfuric acid (≥98% ) 0.4 parts, 60 parts of 2-ethylhexanol, 4 parts of soda ash, and 0.2 parts of activated carbon.

[0015] The preparation method of above-mentioned plasticizer is:

[0016] A. Weigh phthalic anhydride, sulfuric acid, 2-ethylhexanol, and activated carbon into the reactor according to the above weight parts, and then raise the temperature of the reactor to 140°C;

[0017] B, the material in the reactor is esterified after the reactor is evacuated, and the time is 2 hours;

[0018] C, take out the liquid material that above-mentioned B step obtains and cool to normal temperature, after using the soda ash that concentration is 4 to neutralize again, leave standstill 1 hour, make it layer;

[0019] D. Washing...

Embodiment 2

[0022] A kind of plasticizer, it is characterized in that: described raw material comprises: phthalic anhydride, sulfuric acid, 2-ethylhexanol, soda ash (concentration 5%), activated carbon, and its concrete weight portion is: phthalic anhydride 45 parts, sulfuric acid (≥98% ) 0.6 parts, 70 parts of 2-ethylhexanol, 6 parts of soda ash, and 0.5 parts of activated carbon.

[0023] The preparation method of above-mentioned plasticizer is:

[0024] A. Weigh phthalic anhydride, sulfuric acid, 2-ethylhexanol, and activated carbon into the reactor according to the above weight parts, and then raise the temperature of the reactor to 160°C;

[0025] B, the material in the reactor is esterified after the reactor is evacuated, and the time is 4 hours;

[0026] C. Take out the liquid material obtained in the above B step and cool it to normal temperature, then neutralize it with 5% soda ash, and let it stand for 1.5 hours to make it layered;

[0027] D. Washing the crude ester obtained ...

Embodiment 3

[0029] A kind of plasticizer, it is characterized in that: described raw material comprises: phthalic anhydride, sulfuric acid, 2-ethylhexanol, soda ash (concentration 4%), activated carbon, and its specific weight portion is: phthalic anhydride 35 parts, sulfuric acid (≥98% ) 0.6 parts, 60 parts of 2-ethylhexanol, 6 parts of soda ash, and 0.2 parts of activated carbon.

[0030] The preparation method of above-mentioned plasticizer is:

[0031] A. Weigh phthalic anhydride, sulfuric acid, 2-ethylhexanol, and activated carbon into the reactor according to the above weight parts, and then raise the temperature of the reactor to 160°C;

[0032] B, the material in the reactor is esterified after the reactor is evacuated, and the time is 2 hours;

[0033] C. Take out the liquid material obtained in the above B step and cool it to normal temperature, then neutralize it with 4-5% soda ash, and let it stand for 1.5 hours to make it layered;

[0034] D. Washing the crude ester obtaine...

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PUM

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Abstract

The invention discloses a plasticizer. The plasticizer comprises: by weight, 35 to 45 parts of phthalic anhydride, 0.4 to 0.6 parts of great than or equal to 98% of sulfuric acid, 60 to 70 parts of 2-ethylhexanol, 4 to 6 parts of 4 to 5% of sodium carbonate, and 0.2 to 0.5 parts of active carbon. The plasticizer has good plastification effects, poor volatility, good flexibility and good electrical properties.

Description

technical field [0001] The invention designs an auxiliary agent in the ceramic production process, and mainly relates to a plasticizer. Background technique [0002] Ceramic additives are chemical additives added in the ceramic industry to meet process requirements and performance needs. They are used in various processes of ceramic production, and there are many varieties. In the prior art, there are many production methods for ceramic additives, but most of the production methods are relatively complicated, have high production costs, and are greatly limited by the requirements of ceramic technology. Contents of the invention [0003] The object of the present invention is to overcome the above technical defects and provide a plasticizer. The invention has good speed-up effect, low volatility, good flexibility and electrical performance. [0004] For realizing above-mentioned purpose of the invention, the technical scheme that the present invention adopts is: [0005]...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B35/632
Inventor 王琴
Owner 王琴