Production method for solution type acrylic solution slurry

A production method and a solution-type technology, applied in the field of solution-type acrylic solution slurry production, can solve the problems of complicated operation, complicated process, low safety, etc., and achieve good biodegradability, low process condition requirements, and high safety. Effect

Pending Publication Date: 2018-12-04
厦门纬达树脂有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The invention provides a solution-type acrylic solution slurry production method, which solves the problems of complicated process, cumbersome operation and low safety in the existing acrylic solution slurry production process

Method used

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  • Production method for solution type acrylic solution slurry
  • Production method for solution type acrylic solution slurry
  • Production method for solution type acrylic solution slurry

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] Soft water 40kg, benzoyl peroxide 14kg, acrylic acid 80kg, butyl acrylate 160kg, methacrylic acid 280kg, methyl methacrylate 80kg, styrene 330kg, butyl methacrylate 90kg, 18 methacrylate 20kg, iso Put 70kg of propanol and 280kg of ethanol into the reactor and stir, raise the temperature and control the temperature at 82-86°C, if the temperature does not rise after 4-5 hours of constant temperature, the polymerization reaction will end; then cool down, and when the temperature is below 86°C, use 140 parts by weight of ammonia water with a concentration of 12.4% is used to neutralize and adjust the pH value, then put into soft water with a temperature of 70-80° C., and stir evenly to obtain a slightly blue transparent liquid with a solid content of 26.8%-28.8% and a pH value of 6.5-7.8 finished product.

Embodiment 2

[0028] Soft water 57kg, benzoyl peroxide 11.8kg, acrylic acid 72.6kg, butyl acrylate 172kg, methacrylic acid 269.4kg, methyl methacrylate 90.6kg, styrene 312.4kg, butyl methacrylate 80.8kg, methyl Put 28kg of 18 acrylate, 85.6kg of isopropanol and 257kg of ethanol into the reactor and stir, heat up and control the temperature at 82-86°C. After 4-5 hours of constant temperature, the polymerization reaction will end if the temperature does not rise; When the temperature is below 86°C, use 152 parts by weight of 12.4% ammonia water to neutralize and adjust the pH value, then put in soft water with a temperature of 70-80°C, stir evenly to obtain a bluish transparent liquid with a solid content of 24.8%-25.8% , The finished product with a pH value of 6.6-8.0.

Embodiment 3

[0030] Soft water 274kg, benzoyl peroxide 9.1kg, acrylic acid 35.8kg, butyl acrylate 285.3kg, methacrylic acid 106.3kg, methyl methacrylate 335.7kg, styrene 18.1kg, butyl methacrylate 44.8kg, methyl Put 46.7kg of 18-acrylic acid ester, 192.5kg of isopropanol and 16.8kg of ethanol into the reaction kettle to stir, raise the temperature and control the temperature at 82-86°C, if the temperature does not rise after 4-5 hours of constant temperature, the polymerization reaction ends; then cool Cool down, when the temperature is below 86°C, use 140 parts by weight of 12.4% ammonia water to neutralize and adjust the pH value, then put in soft water with a temperature of 70-80°C, stir evenly to obtain a slightly yellowish transparent liquid with a solid content of 22.6% -23.6%, finished product with a pH value of 8.0-9.0.

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Abstract

The invention discloses a production method for a solution type acrylic solution slurry. The production method comprises the following steps: adding the following raw materials into a reaction vessel:soft water, benzoperoxide, acrylic acid, butyl acrylate, methacrylic acid, methyl methacrylate, styrene, butyl methacrylate, octadecyl methacrylate, isopropanol and ethanol, carrying out stirring, carrying out heating, controlling a temperature in a range of 82 to 86 DEG C, maintaining the temperature for 4 to 5 hours, and when the temperature does not rise, stopping a polymerization reaction; then carrying out cooling to decrease the temperature, and when the temperature is 86 DEG C or below, carrying out neutralizing with 140 to 170 parts by weight of ammonia water with a concentration of 12% to 15% to adjust the pH value of an obtained solution; and adding soft water with a temperature of 70 to 80 DEG C, and carrying out uniform mixing under stirring so as to obtain a finished product.The production method provided by the invention has the advantages of simple production process steps, low process condition requirements and high safety; the solution type acrylic resin slurry produced by using the production method provided by the invention is an environmentally-friendly product; the production method has material balance, is free of a sewage discharge link, further simplifiesthe process of production and reduces the cost of production; and the finished product obtained by using the production method provided by the invention is a non-combustible product and is convenientfor storage and transportation.

Description

technical field [0001] The invention relates to the technical field of slurry production technology, in particular to a production method of solution-type acrylic solution slurry. Background technique [0002] With the gradual improvement of people's living standards, various decorative materials appear in major public places, luxury hotels, shopping malls and families. As a new type of organic decorative material, acrylic sheet gradually plays an important role in people's daily life. In the market, general acrylic sheets are rich in color and variety, but their strength and toughness are not high, and they are expensive. They are used as cabinet panels and other products. Most of the high-end acrylic sheets are filled with marble, which has high strength, but poor toughness and bulkiness. At the same time, these acrylic sheets are flammable products. [0003] Acrylic, also known as PMMA or acrylic, comes from English acrylic (acrylic plastic). The chemical name is polym...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08F212/08C08F220/06C08F220/18C08F220/14
CPCC08F212/08C08F220/06C08F220/1804C08F220/14C08F220/1818
Inventor 蔡轩
Owner 厦门纬达树脂有限公司
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