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Rare-earth doped polypropylene plastic material and its preparation method

A polypropylene plastic, rare earth doping technology, applied in the field of materials, can solve the problems of reducing the stability of finished polypropylene, poor polypropylene compatibility, poor wear resistance, etc., to improve surface activity, good weather resistance, and improve mechanical stability. The effect of sexual intensity

Inactive Publication Date: 2018-05-18
桐城市祥泰塑业有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] However, the wear resistance of traditional polypropylene is poor, and it is easy to cause damage after long-term friction. In order to improve the wear resistance of polypropylene, inorganic lubricants, such as graphite powder, are often added to it. These inorganic lubricants are compatible with polypropylene. Poor tolerance, easy to reduce the stability of the finished polypropylene

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] A rare earth-doped polypropylene plastic material, which is composed of the following raw materials in parts by weight:

[0024] Low-density polypropylene 110, lanthanum citrate 0.1, cerium citrate 0.1, dimethylethanolamine 1, pentaerythritol 3, tributyl citrate 4, aluminum stearate 1, benzotriazole 0.7, thionyl chloride 10 , Ethylenediamine 2, Hydrocarbyl Succinic Acid 1, Precipitated Barium Sulfate 10, Lauryl Dimethyl Amine Oxide 1.

[0025] A preparation method for rare earth-doped polypropylene plastic material, comprising the following steps:

[0026] (1) Get soda, add it to deionized water 10 times its weight, and stir evenly;

[0027] (2) Mix lanthanum citrate and cerium citrate, add to deionized water 20 times the weight of the mixture, stir evenly, add ethylenediamine, raise the temperature to 65°C, keep stirring for 10 minutes, add the above soda aqueous solution dropwise , continue stirring for 1 hour to obtain aminated rare earth solution;

[0028] (3) Ta...

Embodiment 2

[0035] A rare earth-doped polypropylene plastic material, which is composed of the following raw materials in parts by weight:

[0036] Low-density polypropylene 130, lanthanum citrate 0.2, cerium citrate 0.2, dimethylethanolamine 2, pentaerythritol 4, tributyl citrate 5, aluminum stearate 2, benzotriazole 1, thionyl chloride 14 , Ethylenediamine 3, Hydrocarbyl Succinic Acid 2, Precipitated Barium Sulfate 17, Lauryl Dimethyl Amine Oxide 2.

[0037] A preparation method for rare earth-doped polypropylene plastic material, comprising the following steps:

[0038] (1) Get soda, add it to 15 times of its weight in deionized water, and stir evenly;

[0039] (2) Mix lanthanum citrate and cerium citrate, add to deionized water 30 times the weight of the mixture, stir evenly, add ethylenediamine, raise the temperature to 70°C, keep stirring for 15 minutes, add the above soda aqueous solution dropwise , continue stirring for 2 hours to obtain aminated rare earth solution;

[0040] (...

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Abstract

The invention discloses a rare-earth doped polypropylene plastic material, which is characterized by being prepared from, by weight, 110-130 parts of low-density polypropylene, 0.1-0.2 part of lanthanum citrate, 0.1-0.2 part of cerium citrate, 1-2 parts of dimethylethanolamine, 3-4 parts of pentaerythritol, 4-5 parts of tributyl citrate, 1-2 parts of aluminium stearate, 0.7-1 part of benzotriazole, 10-14 parts of sulfoxide chloride, 2-3 parts of ethanediamine, 1-2 parts of alkyl succinic acid, 10-17 parts of precipitated barium sulphate, and 1-2 parts of lauryl dimethyl amine oxide. The rare-earth solution is blended with modified barium sulfate and then blended with succinic acid; through reaction of amine and acid, the good compatibility of filler between polymers is realized; thus the physical stability intensity of a finished product is improved. The material is good in whether resistance, high in physical intensity, and excellent in comprehensive performance.

Description

technical field [0001] The invention belongs to the field of materials, and in particular relates to a rare earth-doped polypropylene plastic material and a preparation method thereof. Background technique [0002] Polypropylene is a semi-crystalline thermoplastic. It has high impact resistance, strong mechanical properties, and resistance to various organic solvents and acid and alkali corrosion. It is widely used in industry and is one of the common polymer materials; [0003] The chemical stability of polypropylene is very good, except that it can be corroded by concentrated sulfuric acid and concentrated nitric acid, it is relatively stable to various other chemical reagents, but low molecular weight aliphatic hydrocarbons, aromatic hydrocarbons and chlorinated hydrocarbons can soften polypropylene and Swelling, and its chemical stability increases with the increase of crystallinity, so polypropylene is suitable for making various chemical pipes and fittings, and has g...

Claims

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Application Information

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IPC IPC(8): C08L23/12C08K13/06C08K9/04C08K3/30C08K5/098C08K5/11
CPCC08K13/06C08K3/30C08K5/098C08K5/11C08K9/04C08K2003/3045C08K2201/014C08L2201/08C08L23/12
Inventor 李学跃
Owner 桐城市祥泰塑业有限公司
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