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Composite filling material and application thereof

A composite filling material and content technology, which is applied in the direction of adhesive additives, wood processing equipment, and wooden veneer joints, can solve the problems of large demand for food resources and high cost, and achieve the effect of reducing production costs and saving food resources

Active Publication Date: 2022-02-25
湖北凡高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

[0003]At present, the wood plywood industry generally uses industrial flour as the main filler, but industrial flour is mainly prepared from grain crops such as wheat and soybeans, which has a large demand for grain resources , the cost is relatively high

Method used

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  • Composite filling material and application thereof
  • Composite filling material and application thereof
  • Composite filling material and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] This embodiment provides a composite filling material, the preparation method of which includes the following steps: respectively weigh 600 kg of industrial flour, 350 kg of sodium bentonite, 28.7 kg of powdered quartz, 20 kg of polyacrylamide, 1 kg of oxidized polyethylene, and 0.3 kg of sodium phenylpropionate. kg, pour the above-mentioned raw materials into a ribbon mixer and stir at a speed of 60r / min for 10min, and mix evenly to obtain the product.

Embodiment 2

[0030] The present embodiment provides a kind of composite filling material, and its preparation method comprises the following steps: Weigh respectively 650kg of industrial flour, 300kg of sodium bentonite, 18.7kg of powdery quartz, 30kg of polyacrylamide (molecular weight), 1kg of oxidized polyethylene, styrene-acrylic acid 0.3 kg of sodium bicarbonate, pour the above-mentioned raw materials into a ribbon mixer, stir and react at a speed of 60 r / min for 10 min, and mix evenly to obtain final product.

Embodiment 3

[0032] This embodiment provides a composite filling material, the preparation method of which includes the following steps: Weighing 615kg of industrial flour, 331kg of sodium bentonite, 31.7kg of powdered quartz, 20kg of polyacrylamide, 2kg of oxidized polyethylene, and 0.3kg of sodium phenylpropionate. kg, pour the above-mentioned raw materials into a ribbon mixer and stir at a speed of 60r / min for 10min, and mix evenly to obtain the product.

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Abstract

The invention provides a composite filling material and application thereof. The composite filling material is prepared by mixing sodium bentonite containing montmorillonite with a specific content, powdery quartz, polyacrylamide, polyoxyethylene and other organic matters according to a specific proportion. The composite filling material has swelling property, is easy to disperse, has rheological property and thixotropy required for adjusting a mixed glue solution, and can ensure and even improve water resistance, aging resistance and mildew resistance, reduce formaldehyde residual quantity of plywood and ensure the strength of the plywood. The composite filling material is applied to the plywood and can replace part of flour, and grain resources are saved.

Description

technical field [0001] The invention relates to the field of filling materials, in particular to a composite filling material and its application. Background technique [0002] Plywood is a three-layer or multi-layer board-like material that is made of wood sections that are peeled into veneers or sliced ​​into thin wood, and then glued with adhesives. Usually, odd-numbered veneers are used, and adjacent layers of veneers are used. The fiber directions are glued perpendicular to each other. [0003] At present, the wood plywood industry generally uses industrial flour as the main filler, but industrial flour is mainly prepared from grain crops such as wheat and soybeans, which has a large demand for food resources and relatively high costs. Contents of the invention [0004] Based on this, it is necessary to provide a composite filling material and its preparation method and application, which can promote the reduction of industrial flour consumption in the plywood produc...

Claims

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Application Information

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IPC IPC(8): C09J11/08C09J11/04C09J11/06B27D1/04
CPCC09J11/08C09J11/04C09J11/06B27D1/04C08L99/00C08L33/26C08L23/30C08K3/36C08K3/346C08K5/098C08K2201/005
Inventor 杨亚东张艺
Owner 湖北凡高新材料科技有限公司
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