Sandwich material plate and preparation method thereof

A multi-layer structure and plate technology, applied in chemical instruments and methods, lamination, lamination devices, etc., can solve the problems of low strength, high cost of hemp-plastic composite materials, easy warping and deformation, etc., and achieve low cost and difficult Effect of warpage deformation and low production cost

Inactive Publication Date: 2011-04-06
NANJING FORESTRY UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, these structural materials also have some obvious deficiencies, such as wood-plastic composite materials have low strength, are easy to warp and deform, and the cost of hemp-plastic composite materials is relatively high.

Method used

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  • Sandwich material plate and preparation method thereof
  • Sandwich material plate and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0039] Embodiment 1: a kind of preparation method of multilayer structure material plate, its preparation process is:

[0040] (1) According to the mass ratio of hemp fiber cloth and silane coupling agent 100:1, weigh 0.02kg of silane coupling agent, dilute the silane coupling agent with water, and the amount of water shall be based on the immersion of hemp fiber cloth; Soak 2kg in silane coupling agent diluted with water for 30min. After soaking, take out the hemp fiber cloth, drain it, put it in a vacuum oven, and dry it in vacuum for 3h at 40°C;

[0041] (2) Take wood powder, plastic particles, interface solubilizer, calcium carbonate, lubricant, and plasticizer in a mass ratio of 100:30:3:5:1:1, weigh 10kg of 60-mesh wood powder, and polyethylene plastic particles 3kg, maleic anhydride grafted polyethylene 0.3kg, calcium carbonate 0.5kg, calcium stearate 0.1kg, terpene resin 0.1kg, dry mixed and calendered to form a wood-plastic composite layer, the thickness of the wood-p...

Embodiment 2

[0048] Embodiment 2: a kind of preparation method of multi-layer structure material plate, its preparation process is:

[0049] (1) According to the mass ratio of hemp fiber cloth and silane coupling agent 100:5, weigh 0.15 kg of silane coupling agent, dilute the silane coupling agent with water, and the amount of water shall be based on immersing the hemp fiber cloth; Soak 3kg in silane coupling agent diluted with water for 120min. After soaking, take out the hemp fiber cloth, drain it, put it in a vacuum oven, and dry it in vacuum at 80°C for 6h;

[0050] (2) Take wood powder, plastic particles, interface solubilizer, calcium carbonate, lubricant, and plasticizer in a mass ratio of 100:50:5:10:2:2, and weigh 10 kg of 100-mesh wood powder, polystyrene plastic 5kg of particles, 0.5kg of maleic anhydride grafted polystyrene, 1kg of calcium carbonate, 0.2kg of zinc stearate, 0.2kg of terpene resin, dry mixed and calendered to form a wood-plastic composite material layer, the thi...

Embodiment 3

[0059] Embodiment 3: a kind of preparation method of multi-layer structure material plate, its preparation process is:

[0060] (1) According to the mass ratio of hemp fiber cloth and silane coupling agent 100:3, weigh 0.12 kg of silane coupling agent, dilute the silane coupling agent with water, and the amount of water shall be based on immersing the hemp fiber cloth; Soak 4kg in silane coupling agent diluted with water for 75min. After soaking, take out the hemp fiber cloth, drain it, put it in a vacuum oven, and dry it under vacuum for 4.5h at 60°C;

[0061] (2) Take wood powder, plastic particles, interface solubilizer, calcium carbonate, lubricant, and plasticizer in a mass ratio of 100:40:4:7.5:1.5:1.5, weigh 10kg of 80-mesh wood powder, and polypropylene plastic particles 4kg, maleic anhydride grafted polypropylene 0.4kg, calcium carbonate 0.75kg, zinc stearate 0.15kg, terpene resin 0.15kg, dry mixed and calendered to form wood-plastic composite material layer, wood-pla...

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Abstract

The invention discloses a sandwich material plate and a preparation method thereof, relates to a composite material, an environment-friendly material and a preparation method thereof, and is applied to manufacturing door plates, instrument panel frames, trunk liners, rear shelf panels for vehicles and the like of automobiles, airplanes and other means of transportation, building templates, clapboards, seaside floors, industrial floors and the like in the field of buildings, outdoor open tables and chairs, storage tanks, movable shelves and the like in the furniture industry, and pavement plates, flower boxes and the like in municipal landscape engineering. The sandwich material plate consists of 2 to 4 layers of flax fabric reinforced plastic layers and wood plastic composite material layers, wherein 3 to 5 wood plastic composite material layers are pressed between two adjacent flax fabric reinforced plastic layers; the flax fabric reinforced plastic layers are formed by pressing flaxfabrics treated by plastic particles and silane coupling agents; and the wood plastic composite material layers are prepared by drying, mixing and rolling the plastic particles, wood powder, interface solubilizers, calcium carbonate, lubricating agents and plasticizers.

Description

technical field [0001] The invention relates to a multi-layer structural material plate and its preparation method, which relate to a composite material, an environment-friendly material and a preparation method thereof, and are suitable for making door panels, ceilings, and instrument panel frames of transportation vehicles such as automobiles and airplanes in the field of transportation. , audio racks, seat accessories, trunk liners, rear window sills, etc., building templates, wall panels, ceilings, decorative panels, highway noise barriers, seaside flooring, industrial floors, etc. in the construction field, furniture industry Outdoor tables and chairs, stairs, door covers, office partitions, storage boxes, movable racks, etc., walkway boards, flower boxes, beach chairs, etc. in municipal garden projects. Background technique [0002] In recent years, with the enhancement of people's awareness of environmental protection, more and more attention has been paid to structur...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B32B9/04B32B27/04B32B37/02
Inventor 雷文杨春虎
Owner NANJING FORESTRY UNIV
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