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Scratch-resistant polypropylene material and preparation method thereof

A polypropylene material and scratch-resistant technology, applied in the field of scratch-resistant polypropylene materials and their preparation, can solve the problems of general scratch resistance and achieve the effect of optimizing the overall performance

Inactive Publication Date: 2020-04-03
王国银
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the scratch resistance of polypropylene-based low-smoke halogen-free cable materials is average, and there is still room for improvement

Method used

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  • Scratch-resistant polypropylene material and preparation method thereof

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Embodiment 1

[0031] A scratch-resistant polypropylene material, consisting of 60 parts of modified polypropylene, 15 parts of composite basic flame retardant, 10 parts of composite synergistic flame retardant, 5 parts of composite lubricant, 3 parts of compatibilizer, and 5 parts of coupling agent 5 parts, 5 parts of dispersant, 2 parts of composite cross-linking agent, 2 parts of antioxidant, utilize high-speed mixer to blend, obtain by melt blending by three-screw extruder;

[0032] The mass ratio of each component of the modified polypropylene is: polypropylene: POE thermoplastic elastomer: EPDM rubber: dicumyl peroxide=89:5:5:1;

[0033] The mass ratio of each component of the composite basic flame retardant is: magnesium hydroxide: calcium carbonate: raw gypsum=2:2:1;

[0034] The mass ratio of each component of the composite lubricant is: polyethylene wax: stearic acid: paraffin wax=1:1:1;

[0035] Described compatibilizer is maleic anhydride grafted polypropylene;

[0036] The ant...

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Abstract

The invention discloses a scratch-resistant polypropylene material which is prepared by blending modified polypropylene, a composite basic flame retardant, a composite synergistic flame retardant, a composite lubricant, a compatilizer, a coupling agent, a dispersing agent, a composite cross-linking agent and an antioxidant by using a high-speed mixer and then carrying out melt blending by using athree-screw extruder. Wherein the mass ratio of the components of the composite synergistic flame retardant is as follows: methyl trimethoxy silane: zinc borate: melamine = 1: 3: 1; the coupling agentis ethylene glycol diisostearoyl titanate; the mass ratio of triethylhexyl phosphoric acid to 4-methyl-2-pentanol in the dispersing agent is 2: 1; the mass ratio of tert-butyl carbonate peroxide to ethylene glycol dimethacrylate in the composite cross-linking agent is 3: 1. Compared with the prior art, the polypropylene material disclosed by the invention is more reasonable in formula and more excellent in scratch resistance.

Description

technical field [0001] The invention belongs to the field of polymer materials, in particular to a scratch-resistant polypropylene material and a preparation method thereof. Background technique [0002] As one of the five general-purpose plastics, polypropylene has the characteristics of low density, excellent chemical resistance, balanced physical and mechanical properties, and easy recycling. It has been widely used in the fields of home appliances and automobiles, especially in the automotive industry. The most widely used type of plastic is widely used in automobile bumpers, instrument panels, door panels and other components. However, the scratch resistance of polypropylene material is poor, especially the scratch resistance of polypropylene material filled with talcum powder is poor, and the material will yield under the action of pressing force and sliding force or transverse (lateral) force , resulting in ductile / brittle damage, resulting in scratches on the surfac...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L23/12C08L23/08C08L23/16C08L51/06C08K13/02C08K5/14C08K3/22C08K3/26C08K3/30C08K5/5419C08K3/38C08K5/3492C08K5/10C08K5/05C08K5/521
CPCC08K2003/2224C08K2003/265C08K2003/3045C08K2003/387C08L23/12C08L2205/035C08L23/0815C08L23/16C08L51/06C08K13/02C08K5/14C08K3/22C08K3/26C08K3/30C08K5/5419C08K3/38C08K5/34922C08K5/10C08K5/05C08K5/521
Inventor 王国银
Owner 王国银
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