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Multi-functional plastic auxiliary agent

A plastic additive and multi-functional technology, applied in the field of plastic processing, can solve the problems of unstable quality and poor performance of plastic additive products, and achieve the advantages of improving fluidity, reducing particle surface energy and interfacial tension, and increasing impact. Effect

Inactive Publication Date: 2016-01-27
CHIZHOU JINYI CHEM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The technical problem to be solved by the present invention is to provide a multi-functional plastic additive to solve the problems of poor product performance and unstable quality of the plastic additive, and to improve the impact, stiffness, heat resistance and dimensional stability of the product

Method used

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  • Multi-functional plastic auxiliary agent

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0009] Select 400g of calcium carbonate, 40g of stearic acid, 15g of calcined kaolin, 5g of lubricant, 4g of methacrylate, 5g of organic antimony, 2.5g of sodium carbonate, 5g of polyethylene wax, and 5g of silicon dioxide. Calcium is sent into the mixer and mixed and stirred for 15min. The stirring speed of the mixer is controlled to be 40r / min, and the temperature is controlled to be 40°C to obtain modified calcium carbonate, and then the modified calcium carbonate is sent to the high-speed mixer, and finally calcined kaolin is added, lubricated Additive, methacrylate, organic antimony, sodium carbonate, polyethylene wax, and silicon dioxide were mixed and stirred, the temperature was raised to 120°C, and kept stirring for 10 minutes, and then discharged to obtain a multifunctional plastic additive.

Embodiment 2

[0011] Select calcium carbonate 500g, stearic acid 53g, calcined kaolin 24g, lubricant 12g, methacrylate 6g, organic antimony 9g, sodium carbonate 5g, polyethylene wax 15g, silicon dioxide 15g, take stearic acid and calcium carbonate to send Mix and stir in the mixer for 18min, control the stirring speed of the mixer to be 40r / min, and control the temperature to be 45°C to obtain modified calcium carbonate, then send the modified calcium carbonate into the high-speed mixer, and finally add calcined kaolin, lubricant, Mix and stir methacrylate, organic antimony, sodium carbonate, polyethylene wax, and silicon dioxide, heat up to 125°C, keep stirring for 12 minutes, and then discharge to obtain a multifunctional plastic additive.

Embodiment 3

[0013] Select 600g of calcium carbonate, 67g of stearic acid, 33g of calcined kaolin, 20g of lubricant, 10g of methacrylate, 13g of organic antimony, 6g of sodium carbonate, 10g of polyethylene wax, and 10g of silicon dioxide. Put into the blender and mix and stir for 20min, control the stirring speed of the blender to be 40r / min, and control the temperature to be 50°C to obtain modified calcium carbonate, then send the modified calcium carbonate into the high-speed mixer, and finally add calcined kaolin, lubricant, Mix and stir methacrylate, organic antimony, sodium carbonate, polyethylene wax, and silicon dioxide, heat up to 130° C., keep stirring for 15 minutes, and then discharge to obtain a multifunctional plastic additive.

[0014] The multifunctional plastic auxiliary agent (modified calcium carbonate) obtained by the above examples and common plastic auxiliary agent (unmodified calcium carbonate) are added to PVC plastics, wood fiber, and composite stabilizer respective...

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Abstract

The invention discloses a multi-functional plastic auxiliary agent comprising the components in parts by weight: 80-90 parts of calcium carbonate, 8-10 parts of stearic acid, 3-5 parts of calcined kaolin, 1-3 parts of a lubricant, 0.8-1.5 parts of methyl acrylate, 1-2 parts of organic antimony, 0.5-1 part of sodium carbonate, 1-2 parts of polyethylene wax, and 1-2 parts of silica. Modified calcium carbonate is mixed with the auxiliary agent, so that the particle surface energy and interfacial tension can be greatly reduced, auto-agglutination of micronized particles is effectively prevented, the compatibility of the auxiliary agent in plastics is increased, the macromolecule plasticization is promoted, the product impact degree, stiffness and heat resistance are increased, the melt viscosity is reduced, the liquidity is improved, and the processability of the plastics is increased; and the calcined kaolin is filled into a mixture, and the plasticity of the plastic auxiliary agent is increased.

Description

technical field [0001] The invention relates to the field of plastic processing, in particular to a multifunctional plastic additive. Background technique [0002] The three major elements that affect the quality of plastic products are resin, additives, and processing. Attention should be paid to plastic additives, because plastic additives can achieve good results by adding a small amount of plastic additives to plastics. Plastic additives or processing aids, in fact, process The development and use of additives are almost in sync with the development of plastic raw materials, both of which have a history of decades. The overall level of plastic additives in my country is at least behind industrially developed countries, especially high-efficiency and high-performance additives, which are seriously restricted. With the development of my country's plastics industry. Most of the manufacturers of plastic additives in my country are small workshop enterprises with small scale, ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08K13/06C08K9/04C08K3/26C08K3/34C08K5/101C08K3/36C08L23/06C08L27/06C08L97/02
Inventor 王建强
Owner CHIZHOU JINYI CHEM
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