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Mildew-proof wood plastic material and production method thereof

A wood-plastic material and anti-mildew technology, applied in the field of composite materials, can solve the problems of mildew and poor system compatibility.

Active Publication Date: 2013-02-27
桐乡市大毅塑木有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, the main product is PVC wood-plastic material obtained by combining wood chips and PVC. However, due to the poor compatibility of the system after being mixed with wood powder, the wood-plastic material will suffer from long-term use under harsh environmental conditions such as water and humid environments. get mouldy

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] Embodiment 1, each component mass composition is as follows:

[0027] Recycled HDPE plastic: 50 parts;

[0028] Wood flour: 135 parts;

[0029] Light calcium carbonate: 26 parts;

[0030] Coupling agent: 7 parts;

[0031] Zinc stearate: 1 part;

[0032] EBS: 1 copy;

[0033] Paraffin: 1 part;

[0034] Ultraviolet light absorber UV-531: 0.4 parts;

[0035] Antioxidant 1010: 0.4 parts;

[0036] Iron red 110B: 3 parts;

[0037] Iron brown 66: 0.7 parts;

[0038] Carbon black C3113: 0.6 parts.

[0039] The wood powder has a moisture content of 1% and a fineness of 60 mesh.

Embodiment 2

[0040] Embodiment two, each component mass composition is as follows:

[0041] Recycled HDPE plastic: 58 parts;

[0042] Wood powder: 137.5 parts;

[0043] Light calcium carbonate: 25 parts;

[0044] Coupling agent: 7 parts;

[0045] Zinc stearate: 2 parts;

[0046] EBS: 2 copies;

[0047] Paraffin: 2 parts;

[0048] Ultraviolet light absorber UV-531: 0.5 parts;

[0049] Antioxidant 1010: 0.5 parts;

[0050] Iron red 110B: 3.6 parts;

[0051] Iron brown 66: 0.8 parts;

[0052] Carbon black C3113: 0.7 parts.

[0053] The moisture content of the wood powder is 2%, and the fineness is 70 mesh.

Embodiment 3

[0054] Embodiment three, each component mass composition is as follows:

[0055] Recycled HDPE plastic: 60 parts;

[0056] Wood powder: 140 parts;

[0057] Light calcium carbonate: 30 parts;

[0058] Coupling agent: 8 parts;

[0059] Zinc stearate: 3 parts;

[0060] EBS: 3 copies;

[0061] Paraffin: 3 parts;

[0062] Ultraviolet light absorber UV-531: 0.6 parts;

[0063] Antioxidant 1010: 0.6 parts;

[0064] Iron red 110B: 4 parts;

[0065] Iron brown 66: 0.9 parts;

[0066] Carbon black C3113: 0.8 parts.

[0067] The moisture content of the wood powder is 3%, and the fineness is 80 mesh.

[0068] The preparation method of the mildew-resistant plastic wood material has the following steps:

[0069] (1) Premix preparation: Add wood powder into the high-speed mixer, stir at a high speed of 2000 rpm for 5 minutes, control the humidity of wood powder at 0.4%, and then add other components respectively, and mix the above mixture by The hot mixing system of the mixer is ...

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Abstract

The intention discloses a mildew-proof wood plastic material which contains 50-60 parts of recycled high-density polyethylene (HDPE) plastics, 130-140 parts of wood powder, 20-30 parts of light calcium carbonate, 6-8 parts of coupling reagents, 1-3 parts of zinc stearate, 1-3 parts of ethylene bis stearamide (EBS), 1-3 parts of paraffins, 0.4-0.6 part of ultraviolet (UV) absorber UV-531, 0.4-0.6 part of antioxidant 1010, 3-4 parts of iron oxide red 110B, 0.7-0.9 part of iron oxide brown 66 and 0.6-0.8 part of carbon black 3113 according to weight. Moisture content of the wood powder is no more than 3%, and fineness of the wood powder is 60-80 meshes. A production method of the mildew-proof wood plastic material includes the following steps: (1) premix preparing; (2) semi-finished product pelleting material preparing and (3) extrusion molding. According to the mildew-proof wood plastic material and the production method thereof, the obtained mildew-proof wood plastic material cannot mildew when meeting water or being used in severe environments such as the humid environment for a long time.

Description

technical field [0001] The invention relates to the technical field of composite materials, in particular to a mildew-resistant plastic-wood material and a preparation method thereof. Background technique [0002] WPC, as the name suggests, is a combination of solid wood and plastic. It not only maintains the affinity of solid wood, but also has good moisture-proof, water-resistant, acid and alkali resistance, anti-fungal, anti-static, anti-moth and other properties. A series of wood-plastic composite materials produced from waste such as sawdust, straw, and waste plastics are gradually entering the fields of decoration and construction. At present, the main product is PVC wood-plastic material obtained by combining wood chips and PVC. However, due to the poor compatibility of the system after being mixed with wood powder, the wood-plastic material will suffer from long-term use under harsh environmental conditions such as water and humid environments. get mouldy. Content...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L97/02C08L23/06C08K13/02C08K3/26C08K5/098C08K3/22C08K3/04
Inventor 姚琪峰
Owner 桐乡市大毅塑木有限公司
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