Soft-touch antibacterial wood-plastic composite material and preparation method thereof

A composite material and antibacterial wood technology, which is applied in the field of soft-touch antibacterial wood-plastic composite materials and its preparation, can solve the problems of hidden dangers to the health of residents and children, affecting the appearance of materials, and mildew on the surface, so as to reduce the number of bacteria, improve the appearance, and prevent mildew Effect

Inactive Publication Date: 2019-06-14
王少卿 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] At the same time, whether it is traditional solid wood, plywood or ordinary wood-plastic panels, there are defects such as moldy and discolored surfaces after a period of use. A large part of this is due to the corrosion of fungi, molds and their metabolites in the environment. On the one hand, it affects the aesthetics of the material, on the other hand, it is a potential health hazard for residents, especially children

Method used

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  • Soft-touch antibacterial wood-plastic composite material and preparation method thereof
  • Soft-touch antibacterial wood-plastic composite material and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0042] S1, the core layer material according to the following mass parts: 25 parts of HDPE resin, 50 parts of poplar wood powder, 20 parts of calcium carbonate, 3 parts of silane coupling agent, 2 parts of PE wax, 0.2 parts of 1076 and 168 are put into the high-speed mixer Stir for 5 minutes;

[0043]S2. Put the mixed material in step S1 into the twin-screw extruder through the main feeding hopper, melt, extrude, and granulate; wherein, the barrel temperature of the twin-screw extruder is 150°C, and the degree of vacuum is -0.06 to -0.08MPa;

[0044] S3, the surface layer material according to the following mass parts: 70 parts of EVA, 20 parts of sarin resin, 3 parts of zinc borate, 1 part of nano-zinc oxide, 1 part of nano-silver oxide, 5 parts of maleic anhydride grafted polyethylene, azo 1 part of dimethylamide, 0.2 parts of 1076 and 168 in total, 0.4 parts of light stabilizer 944 were put into a high-speed mixer and stirred for 3 minutes;

[0045] S4. Put the blended pe...

Embodiment 2

[0047] S1, the core layer material according to the following mass parts: 45 parts of PP resin, 40 parts of rice husk powder, 10 parts of talcum powder, 4 parts of maleic anhydride grafted polypropylene, 1 part of lubricant calcium stearate, and 1010 parts of antioxidant and 0.4 parts of 168 were put into a high-speed mixer and stirred for 3 minutes;

[0048] S2. Put the mixed material in step S1 into the twin-screw extruder through the main feeding hopper, melt, extrude, and granulate; wherein, the barrel temperature of the twin-screw extruder is 210°C, and the degree of vacuum is -0.06 to -0.08MPa;

[0049] S3, the surface layer material according to the following mass parts: 75 parts of EVA, 10 parts of sarin resin, 4 parts of zinc borate, 2 parts of nano-zinc oxide, 2 parts of nano-silver oxide, 2 parts of maleic anhydride grafted polypropylene, azo 3 parts of diisopropyl diformate, 1 part of antioxidant 1010 and 168, and 1 part of light stabilizer 770 were put into a hig...

Embodiment 3

[0052] S1, the core layer material according to the following mass parts: 30 parts of HDPE resin, 45 parts of straw powder, 15 parts of short glass fiber, 5 parts of titanate coupling agent, 3 parts of lubricant glyceryl monostearate, antioxidant A total of 0.3 parts of 1076 and DSTP were put into a high-speed mixer and stirred for 4 minutes;

[0053] S2. Put the mixed material in step S1 into the twin-screw extruder through the main feeding hopper, melt, extrude, and granulate; wherein, the barrel temperature of the twin-screw extruder is 180°C, and the degree of vacuum is -0.06 to -0.08MPa;

[0054] S3, the surface layer material according to the following mass parts: 65 parts of EVA, 12 parts of sarin resin, 5 parts of zinc borate, 3 parts of nano-zinc oxide, 3 parts of nano-silver oxide, 8 parts of maleic anhydride grafted polyethylene, bicarbonate Put 2 parts of sodium, 0.6 parts of antioxidant 1076 and DSTP in total, and 2 parts of light stabilizer 622 into a high-speed...

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Abstract

The invention relates to the technical field of high polymer materials, in particular to a soft-touch antibacterial wood-plastic composite material and a preparation method thereof. The composite material comprises a core layer and a surface layer, and the surface layer wraps the surface of the core layer; wherein the core layer comprises the following components in parts by mass: 25-45 parts of polyolefin resin, 40-50 parts of plant fibers, 10-20 parts of an inorganic filler, 3-5 parts of a compatilizer, 1-3 parts of a lubricant and 0.2-0.4 part of an antioxidant; and the surface layer comprises the following components in parts by mass: 70-80 parts of ethylene-vinyl acetate copolymer, 10-20 parts of sarin resin, 3-5 parts of zinc borate, 1-3 parts of nano zinc oxide, 1-3 parts of nano silver oxide, 3-8 parts of a compatilizer, 1-3 parts of a foaming agent, 0.2-1 part of an antioxidant and 0.4-2 parts of a light stabilizer.

Description

technical field [0001] The invention relates to the technical field of polymer materials, in particular to a soft-touch antibacterial wood-plastic composite material and a preparation method thereof. Background technique [0002] As a new type of environmentally friendly material, wood-plastic composite material is being widely used in indoor and outdoor decoration materials with its various designs, solid wood texture and practical performance. Especially with the gradual maturity of the second-generation co-extrusion wood-plastic technology, Wood-plastic composite materials are used more and more widely, such as indoor floors, park fences, and even wooden villas. Now in many places, people hope that the applied materials have a "soft touch", such as children's playgrounds, kindergartens, and children's rooms, which can largely avoid or reduce children's learning, playing, and bumps in life. the harm caused. [0003] At the same time, whether it is traditional solid wood,...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L97/02C08L23/06C08L23/12C08K3/34C08K3/26C08L23/08C08L51/06C08K3/38C08K3/22C08J9/10C08J9/08B32B27/08B32B27/18B32B27/20B32B27/30B32B27/32
Inventor 王少卿王军宫威威
Owner 王少卿
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