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High temperature resistant environment-friendly decorative sheet and preparation method thereof

A technology for high-temperature-resistant decorative panels, applied in the field of high-temperature-resistant and environmentally-friendly decorative panels and their preparation, can solve problems such as high production costs, complex preparation processes, and poor secondary processing performance, and achieve low cost, wide source of raw materials, and improved strength and the effect of high temperature resistance

Inactive Publication Date: 2015-10-14
SHANGHAI SHENGJIAN ENVIRONMENTAL PROTECTION SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Ordinary plastic high-temperature boards use plastic as raw material, the preparation process is complicated, and the production cost is high; the fireproof and waterproof capabilities of the middle board are poor, and the secondary processing performance is poor, and it cannot be nailed, nor can it be recycled and recycled
At the same time, agricultural production will produce a large amount of straw waste every year, and straw waste is usually treated by incineration, which is not conducive to environmental protection and also causes a certain degree of waste. The wide application of thermoplastic materials also produces a large amount of waste. Most of the waste is difficult to decompose naturally and has become one of the main pollutants at present. In summary, a high temperature resistant environmental protection board with high temperature resistance and recyclable recycling is prepared, and at the same time, the waste resources can be fully recovered. It is more meaningful to use

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] The high temperature resistant environmental protection decorative board is composed of the following components by weight percentage:

[0024] Waste thermoplastic material 20%,

[0025] Wood fiber 78%,

[0026] Aluminum hydroxide 1%,

[0027] Fiberglass 1%.

[0028] The preparation method of high temperature resistant environment-friendly decorative board comprises the following steps:

[0029] (1) Pulverization: pulverize the sawdust fiber to 20-30 mesh, and dry at 50°C;

[0030] (2) Cleaning: Clean the discarded thermoplastic materials, remove surface sediment, and dry at a temperature of 50°C;

[0031] (3) Mixing: Take 78% of the above-mentioned pulverized and dried sawdust fibers and mix them with 20% of waste thermoplastic materials in parts by weight to prepare a preliminary mixture;

[0032] (4) The first high-temperature melting and stirring: put the preliminary compound prepared in step (3) into a melting extruder, and simultaneously add 1% (parts by weig...

Embodiment 2

[0037] The high temperature resistant environmental protection decorative board is composed of the following components by weight percentage:

[0038] 46% of waste thermoplastic materials,

[0039] Straw fiber 50%,

[0040] Antimony trioxide 2%,

[0041] Fiberglass 2%.

[0042] The preparation method of high temperature resistant environment-friendly decorative board comprises the following steps:

[0043] (1) Crush: Crush the straw fiber to 20-30 mesh, dry at 70°C;

[0044] (2) Cleaning: Clean the discarded thermoplastic materials, remove surface sediment, and dry at a temperature of 70°C;

[0045] (3) Mixing: Take 50% of the above-mentioned pulverized and dried straw fiber and 46% of waste thermoplastic material in parts by weight to prepare a preliminary mixture;

[0046] (4) The first high-temperature melting and stirring: put the preliminary compound prepared in step (3) into a melting extruder, and add 2% (parts by weight) of antimony trioxide and 2% (parts by weigh...

Embodiment 3

[0051] The high temperature resistant environmental protection decorative board is composed of the following components by weight percentage:

[0052] 40% of waste thermoplastic materials,

[0053] Straw fiber 60%.

[0054] The preparation method of high temperature resistant environment-friendly decorative board comprises the following steps:

[0055] (1) Crush: Crush the straw fibers to 20-30 mesh, dry at 60°C;

[0056] (2) Cleaning: Clean the discarded thermoplastic materials, remove surface sediment, and dry at 60°C;

[0057] (3) Mixing: Mix 60% of the above-mentioned pulverized and dried straw fiber with 40% of waste thermoplastic material in parts by weight to prepare a preliminary mixture;

[0058] (4) The first high-temperature melting and stirring: Put the preliminary mixture prepared in step (3) into the melting extruder at a temperature of 200-300°C, stir at high temperature, melt and mix for 2 minutes and then extrude to obtain the first molten material;

[00...

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Abstract

The invention discloses a high temperature resistant environment-friendly decorative sheet and a preparation method thereof. The high temperature resistant environment-friendly decorative sheet comprises a thermoplastic plastic material, a plant fiber, a fire retardant and a reinforcing material. The preparation method comprises the steps: (1) grinding the plant fiber and drying; (2) washing the thermoplastic plastic material and drying; (3) mixing the plant fiber and the thermoplastic plastic material; (4) putting a primary mixture obtained in the step (3) in a melt extruding machine, and simultaneously adding the flame retardant and the reinforcing material, thus obtaining first melting charge; (5) injecting the first melting charge prepared in the step (4) into a high temperature blender, thus obtaining second melting charge; (6) carrying out high temperature oil pressure molding on the second melting charge prepared in the step (5) by using an oil press to obtain a molding plate; and (7) trimming and sanding the molding plate to obtain the finished product.

Description

technical field [0001] The invention relates to the technical field of environment-friendly building materials, in particular to a recyclable high-temperature-resistant and environment-friendly decorative board and a preparation method thereof. Background technique [0002] At present, high temperature resistant boards mainly include plastic high temperature boards, medium boards, etc. Ordinary plastic high-temperature boards use plastic as raw material, the preparation process is complicated, and the production cost is high; the fireproof and waterproof ability of the middle board is poor, and the secondary processing performance is poor, and it cannot be nailed, nor can it be recycled and recycled. At the same time, agricultural production produces a large amount of straw waste every year, and straw waste is usually disposed of by incineration, which is not conducive to environmental protection and also causes a certain degree of waste. The wide application of thermoplasti...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L97/02C08L101/00C08K13/04C08K7/14C08K3/22B29B7/00B29C43/58
Inventor 谢勍
Owner SHANGHAI SHENGJIAN ENVIRONMENTAL PROTECTION SCI & TECH
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