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Flame-retardant antibacterial polypropylene material and preparation method thereof

An antibacterial polypropylene and polypropylene technology is applied in the field of flame retardant and antibacterial polypropylene materials and their preparation, which can solve the problems of high price and easy discoloration, and achieve the effects of reduced production cost, excellent product performance and wide application.

Inactive Publication Date: 2013-03-20
SHENZHEN KEJU NEW MATERIAL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The antibacterial agents that play an antibacterial role in antibacterial plastics can be mainly divided into organic antibacterial agents and inorganic antibacterial agents. At present, the commonly used inorganic antibacterial agents have problems such as high price and easy discoloration.

Method used

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  • Flame-retardant antibacterial polypropylene material and preparation method thereof
  • Flame-retardant antibacterial polypropylene material and preparation method thereof
  • Flame-retardant antibacterial polypropylene material and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0055] Mixing by weight, polypropylene 50.8%; linear low density polyethylene 10.0%; white oil 0.1%; magnesium hydroxide 35.0%; melamine 1.0%; phenolic 1.0%; antibacterial agent 1.5%; lubricant 0.4%; Oxygen 0.2%. The mixed material is put into the hopper of the twin-screw extruder, melted and blended, extruded and granulated to form a composite material. Among them, the temperature settings of each heating zone of the screw are: in the temperature control section of the twin-screw machine, the temperature of the first zone is 210°C; the temperature of the second zone is 230°C; the temperature of the third zone is 240°C; the temperature of the fourth zone is 220°C; The head temperature of the screw machine is 240°C; the residence time is 3 to 4 minutes. The pressure is 15MPa.

Embodiment 2

[0057] Mixing by weight, polypropylene 46.3%; linear low density polyethylene 8.0%; white oil 0.1%; magnesium hydroxide 40.0%; melamine 1.4%; phenolic 1.4%; Oxygen 0.3%. The mixed material is put into the hopper of the twin-screw extruder, melted and blended, extruded and granulated to form a composite material. Among them, the temperature settings of each heating zone of the screw are: in the temperature control section of the twin-screw machine, the temperature of the first zone is 210°C; the temperature of the second zone is 240°C; the temperature of the third zone is 240°C; the temperature of the fourth zone is 230°C; The head temperature of the screw machine is 240°C; the residence time is 3 to 4 minutes. The pressure is 15MPa.

Embodiment 3

[0059] Mixing by weight, polypropylene 41.9%; linear low density polyethylene 6.0%; white oil 0.1%; magnesium hydroxide 45.0%; melamine 1.8%; phenolic 1.8%; Oxygen 0.3%. . The mixed material is put into the hopper of the twin-screw extruder, melted and blended, extruded and granulated to form a composite material. Among them, the temperature settings of each heating zone of the screw are as follows: in the temperature control section of the twin-screw machine, the temperature of the first zone is 200°C; the temperature of the second zone is 250°C; the temperature of the third zone is 250°C; the temperature of the fourth zone is 220°C; The head temperature of the screw machine is 230°C; the residence time is 3 to 4 minutes. The pressure is 15MPa.

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Abstract

The invention relates to the technical field of high polymer materials, and discloses a flame-retardant antibacterial polypropylene material and a preparation method thereof. The flame-retardant antibacterial polypropylene material consists of the following components: polypropylene, linear low density polyethylene, white oil, magnesium hydroxide, tripolycyanamide, phenolic aldehyde, an antibacterial agent, a lubricating agent and an antioxidant. The flame-retardant antibacterial polypropylene material can make plastic achieve flame-retardant and antibacterial effects.

Description

technical field [0001] The invention relates to the technical field of polymer materials, in particular to a flame-retardant and antibacterial polypropylene material and a preparation method thereof. Background technique [0002] Polypropylene has the characteristics of low production cost, good comprehensive mechanical properties, non-toxic, light weight, corrosion resistance, easy processing and recycling, etc., so it has been widely used, but it is a flammable material, so it is very important to give it flame retardant properties. important and necessary. At present, most of them are halogen-based flame retardants. Halogen-containing flame retardants produce large and toxic smoke during the flame retardant process. As people's awareness of environmental protection increases, halogen-free flame retardants have become a trend in the development of polypropylene. [0003] Linear low-density polyethylene is non-toxic, tasteless and odorless milky white particles with a dens...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08L23/12C08L23/08C08K13/06C08K9/04C08K3/34C08K3/22C08K5/3492B29B9/06B29C47/92B29C48/92
CPCB29C48/04B29C48/875B29C48/92B29C2948/92514B29C2948/92561B29C2948/92704B29C2948/92895B29C2948/92904
Inventor 徐东徐永杨秋会
Owner SHENZHEN KEJU NEW MATERIAL
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