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High-temperature-resistant wood-plastic composite material and preparation method thereof

A technology of wood-plastic composite materials and high temperature resistance, which is applied in the field of chemical materials, can solve the problems of resource waste of mulberry branches, and achieve the effects of alleviating over-harvesting, enhancing interface interaction force, and reducing costs

Inactive Publication Date: 2015-11-18
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The present invention will aim at the current waste of resources in wood-plastic composite materials and mulberry branches, and provide a kind of high-temperature-resistant, high-strength wood-plastic composite material with mulberry branches, waste plastics, modified phenolic resin and silicone rubber as main raw materials. composite material

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] A high-temperature-resistant wood-plastic composite material, which is composed of the following raw materials: 80kg of mulberry branches, 50kg of waste plastics, 20kg of modified phenolic resin, 12kg of silicone rubber, 3kg of glass fiber, 5kg of sepiolite fiber, 4kg of maleic anhydride, nano Aluminum oxide 3kg, zinc borate flame retardant 4kg, 5571 light stabilizer 5kg and butyl hydroxyanisole antioxidant 4kg.

[0025] Preparation:

[0026] (1) Modification pretreatment: Add 80kg of mulberry branches, 4kg of maleic anhydride and 3kg of nano-alumina into a ball mill, and stir for 20min at a speed of 100r / min to obtain modified fibers;

[0027] (2) High-speed mixing: Add the above-mentioned modified fiber and the remaining raw materials of each component into the high-speed mixer, at a speed of 100

[0028] Stirring 8min under r / min, obtains mixed material;

[0029] (3) Hot pressing molding: put the mixed material into the hot pressing shaping machine, hot pressing an...

Embodiment 2

[0032] A high-temperature-resistant wood-plastic composite material, which is composed of the following raw materials: 100kg of mulberry branches, 60kg of waste plastics, 25kg of modified phenolic resin, 10kg of silicone rubber, 4kg of glass fiber, 7kg of sepiolite fiber, 6kg of maleic anhydride, nano Aluminum oxide 5kg, zinc borate flame retardant 5kg, 5571 light stabilizer 6kg and butyl hydroxyanisole antioxidant 5kg.

[0033] Preparation:

[0034] (1) Modification pretreatment: Add 100kg of mulberry branches, 6kg of maleic anhydride and 5kg of nano-alumina into a ball mill, and stir for 15min at a speed of 120r / min to obtain modified fibers;

[0035] (2) High-speed mixing: Add the above-mentioned modified fiber and the remaining raw materials of each component into the high-speed mixer at a speed of 200

[0036] Stirring 6min under r / min, obtains mixed material;

[0037] (3) Hot pressing molding: put the mixed material into the hot pressing shaping machine, hot pressing a...

Embodiment 3

[0040] A high-temperature-resistant wood-plastic composite material, which is composed of the following raw materials: 120kg of mulberry branches, 70kg of waste plastics, 30kg of modified phenolic resin, 15kg of silicone rubber, 5kg of glass fiber, 8kg of sepiolite fiber, 7kg of maleic anhydride, nano Aluminum oxide 6kg, zinc borate flame retardant 6kg, 5571 light stabilizer 7kg and butyl hydroxyanisole antioxidant 6kg.

[0041] Preparation:

[0042] (1) Modification pretreatment: Add 120kg of mulberry branches, 7kg of maleic anhydride and 6kg of nano-alumina into a ball mill, and stir for 15min at a speed of 150r / min to obtain modified fibers;

[0043] (2) High-speed mixing: Add the above-mentioned modified fiber and the remaining raw materials of each component into the high-speed mixer at a speed of 300

[0044] Stirring 5min under r / min, obtains mixed material;

[0045] (3) Hot pressing molding: put the mixed material into the hot pressing shaping machine, hot pressing a...

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Abstract

The invention discloses a high-temperature-resistant wood-plastic composite material and a preparation method thereof. The high-temperature-resistant wood-plastic composite material comprises components in parts by weight as follows: 80-120 parts of mulberry twigs, 50-70 parts of waste plastic, 20-35 parts of modified phenolic resin, 10-15 parts of silicone rubber, 3-5 parts of glass fibers, 5-8 parts of sepiolite fibers, 4-7 parts of maleic anhydride, 3-6 parts of nanometer aluminum oxide, 3-6 parts of a zinc borate flame-retardant, 5-7 parts of a 5571 light stabilizer and 4-6 parts of a butyl hydroxyanisole antioxidant. The preparation method comprises technological steps of modifying pretreatment, high-speed mixing, hot-press molding and cooling setting. The waste plastic, the modified phenolic resin and the silicone rubber are used as main raw materials, the cost is reduced, and the problem of environmental pollution caused by waste is solved. The obtained wood-plastic composite material has the advantages that the material is good in stability at high temperatures, high in compressive strength and high in abrasion resistance and does not deform easily, the cost is reduced, and the like; the wood-plastic composite material also has the advantages that the processing technology is simple, the processing time is short, the cost is low and the like, and is applicable to industrial production.

Description

Technical field [0001] The invention involves the field of chemical materials technology, especially a high -temperature wood -resistant wood plastic composite material and its preparation methods. Background technique [0002] The reserves of unable renewable resources on the earth are very limited. With the rapid development of the plastic industry, the "white pollution" caused by plastic products has brought great harm to human production and living environment.In order to solve the shortage of raw materials and environmental problems, people gradually transfer their eyes to the renewable resources on the earth.Plant fiber material is a natural polymer material, a resource that is inexhaustible and inexhaustible.The potential advantages of plant fiber for composite materials are increasingly attracted people's attention. It is low in price, low density, high elastic modulus, similar to inorganic fiber, and its biodegradation and regeneration are the most prominent.The advantag...

Claims

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Application Information

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IPC IPC(8): C08L97/02C08L101/00C08L83/04C08L61/06C08K13/04C08K7/14C08K7/10C08K3/22C08K5/1539C08K3/38
Inventor 许超群
Owner 许超群
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