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Synthetic resin reinforced wood composite board and method for processing same

A technology of synthetic resin and composite board, which is applied in the field of wood composite board, can solve the problems of low compressive strength, poor load-bearing capacity, poor elastic modulus and static bending strength, etc., and achieve the effect of improving mechanical strength and increasing operators

Inactive Publication Date: 2009-11-18
SHANDONG XINGANG ENTERPRISE GRP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Low compressive strength, poor elastic modulus and static bending strength, and poor load-bearing capacity cannot meet the technical requirements of plywood for outdoor concrete formwork and manufacturing of trains, automobiles, and ships; processing of freight containers; wood composite panels for building curtain walls

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0036] Embodiment 1 A kind of processing method of synthetic resin reinforced wood composite board suitable for outdoor concrete formwork

[0037] a. veneer drying; plywood raw material - poplar slabs are dried to a moisture content of 12% -18%, for later use;

[0038] b. Adhesive paving; the three-layer slab is coated with urea-formaldehyde resin adhesive, and a layer of corona-treated polypropylene grid is embedded on the top and bottom of the middle slab, 1000 mesh, and the diameter of the mesh cable is 0.2mm;

[0039] c. Preloading; preloading according to traditional techniques;

[0040] d. Hot pressing; temperature 130°C-150°C, pressure 0.9-1.0Mpa;

[0041] e. Trimming; Trimming according to the design size;

[0042] f. After passing the quality inspection, pack.

Embodiment 2

[0043] Embodiment 2 is applicable to the manufacture of train, automobile and ship box board; the processing method of the synthetic resin reinforced wood composite board processed by freight container

[0044] According to the method and steps of Example 1, it is characterized in that three layers of blockboards are composited, embedded with polyethylene grid nets, and epoxy resin adhesive is used.

Embodiment 3

[0045] Embodiment 3 A kind of processing method applicable to the wood composite panel reinforced with synthetic resin for building curtain wall

[0046] According to the method and steps of Example 1, it is characterized in that particle board is used, polystyrene grid net is embedded, and phenolic resin adhesive is used.

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PUM

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Abstract

The invention provides a synthetic resin reinforced wood composite board and a method for processing the same, and belongs to the field of wood composite boards. The wood composite board is characterized in that: synthetic resin grid boards are embedded among wood plywood green bodies, and glued with the wood plywood green bodies by a bonding agent into one body. The synthetic resin reinforced wood composite board solves the problems existing in the prior art that the prior wood composite board is low in compressive strength, poor in elastic modulus and static bending strength, and low in weight bearing capacity. The invention provides a method for improving the mechanical strength of the wood composite board on the premises of not changing the conventional composite process basically, not adding new processing equipment and not increasing operators. The synthetic resin reinforced wood composite board of the invention is widely used for manufacturing plywood of outdoor concrete formworks, and boards in trains, automobiles and ships, processing freight containers and constructing building curtain walls; moreover, the wood composite board is also widely applied to industries such as furniture, interior and exterior decoration, and the like. Compared with the prior art, the elastic modulus and the static bending strength of the wood composite board of the invention are improved by over 30 percent.

Description

technical field [0001] The invention is a wood composite board reinforced by synthetic resin and its processing method. It belongs to the field of wood composite panels. Background technique [0002] In order to make full use of wood resources, people cut tree trunks into sheets along the circumference, and then spliced, bonded layer by layer, and pressed into plywood; waste materials such as sawdust, shavings, fine wood cores, etc. produced in wood processing were used to glue and press them with adhesives. It can be made into various wood plywood boards such as chipboard, fiberboard, particleboard, blockboard, etc. Greatly enriched the timber market. [0003] However, in the prior art, the wood composite board is made by bonding various wood slabs with an adhesive. Low compressive strength, poor elastic modulus and static bending strength, and poor load-bearing capacity cannot meet the technical requirements of plywood for outdoor concrete formwork and manufacturing of ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B27D1/04B32B21/08
Inventor 魏孝新张文利
Owner SHANDONG XINGANG ENTERPRISE GRP CO LTD