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High-hardness scratch-resistant high-gloss modified polypropylene (PP) material

A polypropylene material, scratch-resistant technology, applied in the field of polymer materials, can solve problems such as poor appearance, improve mechanical strength, ensure service life, and improve gloss.

Inactive Publication Date: 2015-02-18
杭州金州高分子科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At the same time, the production process is considered, and it is expected to avoid the adsorption of dust and impurities as much as possible during the production and storage of the product, resulting in poor appearance

Method used

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  • High-hardness scratch-resistant high-gloss modified polypropylene (PP) material

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] 1. Take 46 parts of homopolypropylene and / or copolymerized polypropylene and 9.5 parts of polymethyl methacrylate, mix with 14 parts of compatibilizer, then treat with 0.5 part of coupling agent, mix and stir for 5-10 minutes and set aside. Described compatibilizer is maleic anhydride grafted polypropylene, and described coupling agent is titanate coupling agent;

[0025] 2. Add 15 parts of barium sulfate and 5 parts of modifier to the mixture treated with coupling agent, and mix at high speed for 5-10 minutes. The modifier is β(3,5-di-tert-butyl-4 -Hydroxyphenyl)propionate pentaerythritol, 2-(2'-hydroxy-3',5'bis(a,a-dimethylbenzyl)phenyl)benzotriazole, 2,2'-methylene Bis(4,6-di-tert-butylphenyl)sodium phosphate, ethylene oxide amine antistatic agent, N,N'-bis[β(3,5-di-tert-butyl-4-hydroxybenzene Base) the mixture of propionyl] hydrazine and terpolymer rubber, the diameter particle of described barium sulfate is 3000 orders;

[0026] 3. Through the twin-screw extruder...

Embodiment 2

[0029] 1. Take 60 parts of homopolypropylene and / or copolymerized polypropylene and 5 parts of polymethyl methacrylate, mix 9.3 parts of compatibilizer, and then treat with 0.2 parts of coupling agent, mix and stir for 5-10 minutes and set aside. The compatibilizer is maleic anhydride grafted polyethylene, and the coupling agent is a titanate coupling agent;

[0030] 2. Add 20 parts of barium sulfate and 0.5 parts of modifier to the mixture treated with coupling agent, and mix at high speed for 5-10 minutes. The modifier is 1,3,5-tris(3,5- Di-tert-butyl-4-hydroxybenzyl) 2,4,6-trimethylbenzene, 4,4'-butylenebis(6-tert-butyl-3-methylphenol), 2-(2'- Hydroxy-3',5'-di-tert-butylphenyl)-benzotriazole, 2,2'-methylene bis(4-tert-octyl-6-benzotriazole phenol), complex sorbitol Aldehyde nucleating agent 390, ANSTEX SA-8MB type antistatic agent, N,N'-bis[β(3,5-di-tert-butyl-4-hydroxyphenyl)propionyl]-1,6-hexanedi A mixture of amine and POE, the particle size of the barium sulfate is 30...

Embodiment 3

[0034] 1. Take 40 parts of homopolypropylene and / or copolymerized polypropylene and 30 parts of polymethyl methacrylate, mix with 5.4 parts of compatibilizer, then treat with 0.6 parts of coupling agent, mix and stir for 5-10 minutes and set aside. The compatibilizer is maleic anhydride grafted polyethylene, and the coupling agent is a titanate coupling agent;

[0035] 2. Add 16 parts of barium sulfate and 2 parts of modifier to the mixture treated with coupling agent, and mix at high speed for 5-10 minutes. The modifier is 2,6-di-tert-butyl-4-methanol phenylphenol and bis(3,5-di-tert-butylphenyl)pentaerythritol diphosphite, [[3,5-di-tert-butyl-4-hydroxyphenyl]methyl]butylmalonate bis(1 ,2,2,6,6-pentamethyl-4-piperidinyl) ester, bis-2,2,6,6-tetramethylpiperidinol sebacate, β crystal nucleating agent, ANSTEX SA-8MB antistatic agent, N,N'-bis[β(3,5-di-tert-butyl-4-hydroxyphenyl)propionyl]hydrazine, N,N'-bis[β(3,5- The mixture of di-tert-butyl-4-hydroxyphenyl) propionyl]-1,6-he...

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Abstract

The invention discloses a high-hardness scratch-resistant high-gloss modified polypropylene (PP) material, belonging to the technical field of high polymer materials. The high-hardness scratch-resistant high-gloss modified PP material is prepared from the following raw materials in parts by weight: 40-80 parts of homopolymerized or copolymerized PP, 5-30 parts of polymethyl methacrylate (PMMA), 15-20 parts of barium sulfate, 5-10 parts of glass fiber, 0.5-10 parts of modifier, 5-20 parts of compatilizer and 0.2-0.8 part of coupling agent. PP is compatible with PMMA to ensure that the mechanical strength of the material is improved, meanwhile, the surface hardness and corrosion resistance of the product are improved, and the surface gloss of the product is increased; inorganic fillers of glass fiber and barium sulfate are filled into the modified PP material disclosed by the invention to ensure that the mechanical performance of the product is further improved, and meanwhile, the glossiness of the product is improved; various antioxidants, weather resistance agents, antistatic agents and anti-freezing agents are added into the modified PP material disclosed by the invention to ensure the service life of the product, prevent the product from aging, and ensure that the product can adapt to various environments and can be normally used under rigorous conditions.

Description

technical field [0001] The invention belongs to the technical field of polymer materials, and in particular relates to a modified polypropylene material with high hardness, scratch resistance and high gloss. Background technique [0002] At present, domestic home appliance manufacturers are paying more and more attention to the cost reduction of materials, thus requiring manufacturers of modified materials to provide competitive cost solutions. In order to meet the needs of customers, the new application of modified and enhanced low-cost materials is used as a breakthrough point to achieve continuous cost optimization and become an ideal material solution for major suppliers in the industry. [0003] As a general-purpose plastic with low price and good rigidity, polypropylene material has been continuously expanded in use, and currently has a certain seat in the field of daily electrical appliances. As the most ideal material to replace high-gloss products such as ABS and H...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L23/12C08L23/14C08L33/12C08K13/04C08K7/14C08K3/30
CPCC08L23/12C08L23/14C08L2205/02C08L2205/035C08L33/12C08L51/06C08L23/16C08K13/04C08K5/10C08K2003/3045C08K5/1345C08K5/3475C08K5/523C08K5/25C08K7/14C08L23/0815C08K5/13C08K5/20
Inventor 王晓群徐凤鸣陈家锋黄珂伟严斌标
Owner 杭州金州高分子科技有限公司
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