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Preparation method of negative-ion master batch

A technology of negative ions and master batches, applied in the field of preparation of polymer additives, can solve the problems of reduced negative ion generation speed, increased processing difficulty, limited negative ion generation amount, etc., and achieves increased negative ion generation, good compatibility, and improved mechanical properties. Effect

Inactive Publication Date: 2010-10-13
GUANGDONG HIGH & NEW ENG PLASTICS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the addition of negative ion generating raw materials will not only increase the difficulty of processing, but also affect the mechanical properties of plastics and limit the scope of use of plastics.
At the same time, due to the plastic package, the negative ion generation speed of the negative ion generating raw materials is greatly reduced, and the generation of negative ions is limited.

Method used

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  • Preparation method of negative-ion master batch

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Effect test

preparation example Construction

[0026] A preparation method of negative ion masterbatch, comprising:

[0027] 1) Put the negative ion additive and surface treatment agent into a high-speed mixer at a mass ratio of 100:3 to 10, stir or heat during stirring until the surface treatment agent melts;

[0028] 2) Put the stirred raw materials into a low-speed mixer, and stir while cooling until the raw materials are cooled to room temperature to obtain a cooling material;

[0029] 3) The cooling material is ball milled to obtain a modified negative ion additive (FL additive);

[0030] 4) Mixing 20-80 parts by mass of modified anion additive, 20-80 parts by mass of organic carrier, antioxidant and lubricant;

[0031] 5) extruding the raw material, cooling, cutting into pellets, and drying to obtain the negative ion masterbatch.

[0032] The schematic diagram of its preparation process is shown in figure 1 shown.

[0033] Surface treatment agents include stearic acid, stearates, polyethylene wax, and oxidized po...

Embodiment 1

[0044] 1) Take 100 parts of negative ion additives and 5 parts of stearic acid, put them into a high-speed mixer for stirring, and heat up to 75°C to melt the surface treatment agent;

[0045] 2) Blowing the material in the high-speed mixer into a low-speed mixer with a cooling device, and cooling to room temperature while stirring;

[0046] 3) The cooling material is ball milled to 400 mesh without sieve residue to obtain a modified negative ion additive;

[0047] 4) Take 80 parts of modified anion additives, 20 parts of organic carrier EVA, antioxidant 1010: 1 part, antioxidant 168: 1 part, lubricant PE wax: 2 parts and put them into the mixer, mix well;

[0048] 5) The uniformly mixed raw materials are kneaded and extruded through a high-shear twin-screw extruder with an aspect ratio of 40, air-cooled, and cut to obtain an anion masterbatch.

Embodiment 2

[0050] 1) Take 100 parts of negative ion additives and 6 parts of oxidized polyethylene wax, put them into a high-speed mixer for stirring, and heat up to 105°C to melt the surface treatment agent;

[0051] 2) Blowing the material in the high-speed mixer into a low-speed mixer with a cooling device, and cooling to room temperature while stirring;

[0052] 3) The cooling material is ball milled to 400 mesh without sieve residue to obtain a modified negative ion additive;

[0053] 4) Take 40 parts of modified anion additives, 50 parts of organic carrier polypropylene, antioxidant 1010: 1 part, lubricant PE wax: 3 parts and put them into the mixer, and mix well;

[0054] 5) The uniformly mixed raw materials are kneaded and extruded through a high-shear twin-screw extruder with an aspect ratio of 45, air-cooled, and cut to obtain an anion masterbatch.

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Abstract

The invention discloses a preparation method of a negative-ion master batch, which comprises the following steps of: putting a negative-ion auxiliary agent and a surface treatment agent into a high-speed stirrer and stirring until the surface treatment agent is molten; putting the stirred raw materials into a low-speed stirrer and stirring when cooling until the raw materials are cooled to room temperature so as to obtain a cooled material; carrying out ball milling on the cooled material and pulverizing so as to obtain a modified negative-ion auxiliary agent; mixing 20 to 80 parts of modified negative-ion auxiliary agent, 20 to 80 parts of organic carrier, an antioxidant and a lubricant evenly; and extruding the raw materials, cooling, pelleting and drying so as to obtain the negative-ion master batch. The negative-ion master batch prepared by the method has good compatibility with resin, can be mixed with various kinds of resin and then can be prepared into a plastic product by a conventional method. The additive amount of the master batch can be regulated according to the concrete application occasion of the plastic product so as to regulate the release concentration of negative ions, the application range is wide, and the application mode is flexible.

Description

technical field [0001] The invention relates to a preparation method of a polymer additive, in particular to a preparation method of an anion masterbatch. Background technique [0002] Negative air ions can restore active oxygen (oxygen free radicals) produced by atmospheric pollutants, nitrogen oxides, cigarettes, etc., and reduce the harm of excessive active oxygen to the human body; neutralize positively charged air dust and settle without charge, making The air is purified. [0003] Negative ions can not only promote the synthesis and storage of vitamins in the human body, but also strengthen and activate the physiological activities of the human body, so it is also called "air vitamin". , such as after a thunderstorm, the negative ions in the air increase, and people feel comfortable. [0004] After negative ions can combine with bacteria, they can cause the bacteria to die and finally sink to the ground. Medical research shows that the negatively charged particles i...

Claims

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Application Information

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IPC IPC(8): C08L23/08C08L31/04C08L23/12C08L77/00C08L55/02C08L69/00C08L67/02C08K13/06C08K9/04
Inventor 曾斌张积宾皮正亮朱国良
Owner GUANGDONG HIGH & NEW ENG PLASTICS
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