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Multifunctional scratchproof plastic additive

A plastic additive and multi-functional technology, applied in the field of plastic processing, can solve the problem of whitening of plastic under stress, achieve the effect of increasing plasticity, reducing melt viscosity, and avoiding whitening easily

Inactive Publication Date: 2018-05-11
广州源泰新材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Existing plastics generally have the problem of whitening under stress

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0014] Select 400g of calcium carbonate, 40g of stearic acid, 15g of calcined kaolin, 5g of lubricant, 4g of methacrylate, 5g of organic tin, 2.5g of sodium carbonate, 5g of polyethylene wax, 5g of mica powder, and 2.5g of silicone oil. Acid and calcium carbonate are sent into the mixer and mixed and stirred for 12min, the stirring speed of the control mixer is 40r / min, and the control temperature is 40°C to obtain modified calcium carbonate, and the obtained modified calcium carbonate is dried until the moisture content is 0.3%, then send the modified calcium carbonate into the high-speed mixer, and finally add calcined kaolin, lubricant, methacrylate, organic tin, sodium carbonate, polyethylene wax, mica powder, silicone oil for mixing and stirring, and heat up to 100°C, heat preservation and stirring for 8 minutes, and then discharge to obtain multifunctional plastic additives.

Embodiment 2

[0016] Select calcium carbonate 500g, stearic acid 53g, calcined kaolin 24g, lubricant 12g, methacrylate 6g, organotin 9g, sodium carbonate 5g, polyethylene wax 15g, mica powder 15g, silicone oil 5g, stearic acid and carbonic acid Calcium is sent into the mixer and mixed and stirred for 15 minutes. The stirring speed of the mixer is controlled to be 40r / min, and the temperature is controlled to be 45°C to obtain modified calcium carbonate. Dry the obtained modified calcium carbonate until the water content is below 0.3%. , and then send the modified calcium carbonate into the high-speed mixer, and finally add calcined kaolin, lubricant, methacrylate, organic tin, sodium carbonate, polyethylene wax, mica powder, silicone oil for mixing and stirring, and heat up to 110 °C, Insulated and stirred for 9 minutes, and then discharged to obtain a multifunctional plastic additive.

Embodiment 3

[0018] Select calcium carbonate 600g, stearic acid 67g, calcined kaolin 33g, lubricant 20g, methacrylate 10g, organic tin 13g, sodium carbonate 6g, polyethylene wax 10g, mica powder 10g, silicone oil 6g, take stearic acid and carbonic acid Calcium is sent into the mixer and mixed and stirred for 18 minutes. The stirring speed of the mixer is controlled to be 40r / min, and the temperature is controlled to be 50°C to obtain modified calcium carbonate. Dry the obtained modified calcium carbonate until the water content is below 0.3%. , and then send the modified calcium carbonate into the high-speed mixer, and finally add calcined kaolin, lubricant, methacrylate, organic tin, sodium carbonate, polyethylene wax, mica powder, silicone oil for mixing and stirring, and heat up to 120 °C, Insulated and stirred for 10 minutes, and then discharged to obtain a multifunctional plastic additive.

[0019] The multifunctional plastic auxiliary agent (modified calcium carbonate) obtained by th...

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PUM

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Abstract

The invention discloses a multifunctional scratchproof plastic additive. The multifunctional scratchproof plastic additive is prepared from, by weight, 80-90 parts of calcium carbonate, 8-10 parts ofstearic acid, 3-5 parts of calcined kaolin, 1-3 parts of lubricant, 0.8-1.5 parts of methacrylate, 1-2 parts of organic tin, 0.5-1 part of sodium carbonate, 1-2 parts of polyethylene wax, 1-2 parts ofmica powder and 0.5-1 part of silicone oil. Modified calcium carbonate is adopted for being blended with the additive to substantially reduce the particle surface energy and the interfacial tension,auto-agglutination of micronized particles is effectively prevented, the compatibility of the plastic additive in plastic is improved, the macromolecular plastification is improved, the shock degree,rigidity and heat resistance of a product are improved, the melt viscosity is reduced, the mobility is improved, and the processing performance of the plastic is improved; by filling mixed materials with calcined kaolin, the plasticity of the plastic additive is improved; the use pressure of a finished product is correspondingly and normally reduced, the constant pressure time of the finished product is correspondingly and normally shortened, and more convenience is provided for preventing the plastic from being scrapped easily.

Description

technical field [0001] The invention relates to the field of plastic processing, in particular to a multifunctional anti-scratch whitening 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. [0003] Most of the manufacturers of plastic additives in my country are small worksho...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L23/06C08L83/04C08K13/06C08K9/04C08K3/26C08K3/34C08K5/57C08L27/06C08L97/02
CPCC08L23/06C08K3/26C08K3/34C08K3/346C08K5/57C08K9/04C08K13/06C08K2003/265C08L27/06C08L83/04C08L2201/08C08L2205/035C08L2205/16C08L97/02
Inventor 徐克谋
Owner 广州源泰新材料有限公司