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Preparation method of wood-plastic composite material surface decoration based on UV-ink-jet 3D printing

A wood-plastic composite material, 3D printing technology, applied in the direction of 3D object support structure, additive manufacturing, manufacturing tools, etc., can solve the problems of high cost, difficult surface decoration of wood-plastic composite materials, complicated process, etc. Promoting high value-added applications and simple process effects

Inactive Publication Date: 2020-12-08
NANJING FORESTRY UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide a method for preparing the surface decoration of wood-plastic composite materials based on UV-inkjet 3D printing, so as to solve the problems of difficult surface decoration, complicated process and high cost of wood-plastic composite materials proposed in the above-mentioned background technology.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] The preparation method of the wood-plastic composite material surface decoration based on UV-inkjet 3D printing described in this embodiment comprises the following steps:

[0025] Step 1: Grinding the surface of the polyethylene wood-plastic composite material, the surface roughness after grinding is 1mm;

[0026] Step 2: Place the polyethylene wood-plastic composite material described in Step 1 in a UV-inkjet 3D printer, adjust the resolution of the pattern used for surface decoration to 1280×1040dpi, and the color is the original color of the pattern;

[0027] Step 3: Using the surface decoration pattern described in step 2, adjust the printing resolution of the UV-inkjet 3D printer to 1280dpi, the printing speed to 0.1m / s, and the UV wavelength to 385nm, and mix hydroxyethyl acrylate and epoxy acrylate The mixture is printed layer by layer on the surface of the polyethylene wood-plastic composite material, and the UV-inkjet 3D printing decoration on the surface of t...

Embodiment 2

[0029] The preparation method of the wood-plastic composite material surface decoration based on UV-inkjet 3D printing described in this embodiment comprises the following steps:

[0030] Step 1: Grinding the surface of the polypropylene wood-plastic composite material, the surface roughness after grinding is 1mm;

[0031] Step 2: Place the polypropylene wood-plastic composite material described in Step 1 in a UV-inkjet 3D printer, adjust the resolution of the pattern used for surface decoration to 1280×1040dpi, and the color is the original color of the pattern;

[0032] Step 3: Using the surface decoration pattern described in step 2, adjust the printing resolution of the UV-inkjet 3D printer to 1280dpi, the printing speed to 0.1m / s, and the UV wavelength to 385nm, and mix hydroxyethyl acrylate and epoxy acrylate The mixture is printed layer by layer on the surface of polypropylene wood-plastic composite material, and the surface of polypropylene wood-plastic composite mater...

Embodiment 3

[0034] The preparation method of the wood-plastic composite material surface decoration based on UV-inkjet 3D printing described in this embodiment comprises the following steps:

[0035] Step 1: Grinding the surface of the PVC wood-plastic composite material, the surface roughness after grinding is 1mm;

[0036] Step 2: Place the polyvinyl chloride wood-plastic composite material described in Step 1 in a UV-inkjet 3D printer, adjust the resolution of the pattern used for surface decoration to 1280×1040dpi, and the color is the original color of the pattern;

[0037] Step 3: Using the surface decoration pattern described in step 2, adjust the printing resolution of the UV-inkjet 3D printer to 1280dpi, the printing speed to 0.1m / s, and the UV wavelength to 385nm, and mix hydroxyethyl acrylate and epoxy acrylate The mixture is printed layer by layer on the surface of the polyvinyl chloride wood-plastic composite material, and the UV-inkjet 3D printing decoration on the surface o...

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Abstract

The invention provides a preparation method of wood-plastic composite material surface decoration based on UV-ink-jet 3D printing. The preparation method comprises following steps: cleaning and flattening the surface of a wood-plastic composite material, and putting the wood-plastic composite material in a UV-ink-jet 3D printer with the clean and flattened surface facing upwards; and adjusting patterns for surface decoration and printing parameters of the UV-ink-jet 3D printer, printing a resin material on the surface of the wood-plastic composite material, and preparing the UV-ink-jet 3D printing decoration on the surface of the wood-plastic composite material. According to the method, the surface decoration of the wood-plastic composite material is performed through UV-ink-jet 3D printing, problems that the surface of the wood-plastic composite material is difficult to decorate, the process is complex, the cost is high and the like are solved, and the method has very important significance in expanded application and high-added-value utilization of the wood-plastic composite material.

Description

technical field [0001] The invention relates to a preparation method for surface decoration of wood-plastic composite materials, in particular to a preparation method for surface decoration of wood-plastic composite materials based on UV-inkjet 3D printing, and belongs to the field of material decoration processing. Background technique [0002] Wood-plastic composite material is an environmentally friendly composite material prepared by compounding wood fiber materials and thermoplastics. Its raw materials can be agricultural and forestry waste (wood chips, wheat straw, etc.) Ethylene phthalate, etc.), which provides an effective way for the recycling of agricultural, forestry and plastic resources. Wood-plastic composites have the advantages of both wood and plastic, namely high strength, wear resistance, water resistance, corrosion resistance, durability, and no formaldehyde release. They have been widely used in construction, fences, floors, wall panels, etc. [0003] H...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B29C64/135B29C64/393B33Y10/00B33Y50/02
CPCB33Y10/00B33Y50/02B29C64/135B29C64/393
Inventor 冯鑫浩吴智慧吴燕
Owner NANJING FORESTRY UNIV
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