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A formula for producing wood-plastic materials by recycling waste plastic resources and its preparation method

A waste plastic and wood-plastic technology, applied in the field of wood-plastic boards and their preparation, can solve problems such as poor surface wear resistance, increased process difficulty, and reduced application life, achieving excellent performance, high production efficiency, and easy operation.

Active Publication Date: 2015-08-12
山东宜居新材料科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

For example, the patent of Chinese Patent Publication No. CN1872915A discloses a profile made of waste plant stalks. Plate, the synthetic plate produced has certain mechanical properties, but poor water resistance, the second is poor surface wear resistance, and the third is low strength and is easy to damage; the patent of Chinese Patent Publication No. CN1958253A discloses a kind of crop straw wood-plastic composite Board, this kind of wood-plastic composite board is to paste veneers on the upper and lower sides of the core board, which greatly improves the physical strength of the wood-plastic composite board, but the process difficulty increases, and the bonding force between different layers is weak , reducing its application life

Method used

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  • A formula for producing wood-plastic materials by recycling waste plastic resources and its preparation method
  • A formula for producing wood-plastic materials by recycling waste plastic resources and its preparation method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0068] Weigh the raw materials according to the following weight ratio:

[0069] Recycled PVC resin powder: 100 copies;

[0070] Wood fiber powder: 60 parts;

[0071] Calcium filler: 60 parts;

[0072] Plasticizer: 6 parts;

[0073] Stabilizer: 6 parts;

[0074] PE wax: 0.9 parts;

[0075] Stearic acid: 1.2 parts;

[0076] Foaming regulator: 8 parts;

[0077] Foaming agent: 1.5 parts;

[0078] Dispersant: 0.2 parts.

[0079] Then use the following methods to prepare wood-plastic panels:

[0080] 1) Mix wood fiber powder and calcium filler at high speed for 30 minutes at 1200rpm;

[0081] 2) Add the above mixture to stearic acid, PE wax, and dispersant, heat it to 150°C, and mix it thoroughly with a stirring mixer;

[0082] 3) Add the recycled PVC resin powder to the plasticizer and stabilizer, heat to 150°C, use a stirring mixer to fully mix, and then enter the mixture prepared in step 2), and then add the foaming regulator and the foaming agent to fully mix, Cool to 70℃ and release;

[0083] 4)...

Embodiment 2

[0088] Weigh the raw materials according to the following weight ratio:

[0089] Recycled PVC resin powder: 100 copies;

[0090] Wood fiber powder: 40 parts;

[0091] Calcium filler: 90 parts;

[0092] Plasticizer: 6 parts;

[0093] Stabilizer: 6 parts;

[0094] PE wax: 1.3 parts;

[0095] Stearic acid: 0.8 parts;

[0096] Foaming regulator: 5 parts;

[0097] Foaming agent: 1.0 part;

[0098] Dispersant: 0.1 part.

[0099] Then use the following methods to prepare wood-plastic panels:

[0100] 1) Mix wood fiber powder and calcium filler at high speed for 40 minutes at a speed of 1200rpm;

[0101] 2) Add the above mixture to stearic acid, PE wax, and dispersant, heat it to 130°C, and mix it thoroughly with a stirring mixer;

[0102] 3) Add recycled PVC resin powder to plasticizers and stabilizers, heat to 130°C, use a stirring mixer to fully mix, and then enter the mixture prepared in step 2), and then add foaming regulator and foaming agent to fully mix, Cool down to 80℃ and release;

[0103] 4)...

Embodiment 3

[0108] Weigh the raw materials according to the following weight ratio:

[0109] Recycled PVC resin powder: 100 copies;

[0110] Wood fiber powder: 50 parts;

[0111] Calcium filler: 80 parts;

[0112] Plasticizer: 5 parts;

[0113] Stabilizer: 5 parts;

[0114] PE wax: 1.0 part;

[0115] Stearic acid: 1.0 part;

[0116] Foaming regulator: 6 parts;

[0117] Foaming agent: 1.2 parts;

[0118] Dispersant: 0.15 parts.

[0119] Then use the following methods to prepare wood-plastic panels:

[0120] 1) Mix the wood fiber powder and the calcium filler at a high speed for 50 minutes at a speed of 1000 rpm;

[0121] 2) Add the above mixture to stearic acid, PE wax, and dispersant, heat it to 140°C, and mix it thoroughly with a stirring mixer;

[0122] 3) Add recycled PVC resin powder to plasticizers and stabilizers, heat to 140°C, use a stirring mixer to fully mix, and then enter the mixture prepared in step 2), and then add foaming regulator and foaming agent to fully mix, Then cool to 70~80℃ and rele...

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Abstract

The invention relates to a wood-plastic sheet material prepared by utilizing waste and old plastic resource. The wood-plastic sheet material is prepared from recovered PVC resin powder, modified clay, modified plant fiber powder and multiple auxiliary agents. Compared with the prior art, the wood-plastic material is prepared by fully utilizing waste and old plastic resource; the prepared wood-plastic sheet material is easy to process without being limited by processing length, is excellent in physical performances, high in strength, high in toughness, waterproof and moistureproof, surface crust is hard and flat, production efficiency is high, wood resource is saved, and the prepared wood-plastic sheet material is 100% recyclable after being used for years; and the preparation method of the material is simple, operation is easy, stability is good, and processing is easy.

Description

Technical field [0001] The invention relates to a wood-plastic material, in particular to a wood-plastic board prepared from recycled materials of waste plastics and a preparation method thereof. Background technique [0002] With the widespread use of plastics, the disposal of waste plastics has attracted increasing attention. Generally, there are three main ways to deal with waste plastics: landfill, incineration, and recycling. The recycling and reuse of waste plastics can not only reduce environmental pollution problems, but also save resources. It is the first choice for processing waste plastics. [0003] By combining plant fibers with recycled plastics to form wood-plastic composite materials, not only can some performance defects of a single material be effectively solved, but the wide application of these wood-plastic composite materials in the construction and engineering fields is important for solving the recycling and utilization of waste plastics. Long-term use of t...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08L27/06C08L97/02C08K9/02C08K3/34
Inventor 赵悦英杨明顾元喆
Owner 山东宜居新材料科技有限公司
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