Method for producing full-eucalyptus parquet with flame-retardant composite urea-formaldehyde resin

A technology of solid wood composite flooring and urea-formaldehyde resin, which is applied to the jointing of wooden veneers, chemical instruments and methods, and aldehyde/ketone condensation polymer adhesives, etc., to achieve good freeze-thaw resistance, white color, and reduce free formaldehyde The effect of content

Inactive Publication Date: 2017-01-25
南宁市林润木业有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Flame-retardant solid wood composite flooring is a product designed for public places, but it is also a wise move to buy this type of flooring in daily decoration

Method used

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  • Method for producing full-eucalyptus parquet with flame-retardant composite urea-formaldehyde resin

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0072] The method for producing full eucalyptus solid wood composite flooring by adopting flame-retardant composite urea-formaldehyde resin comprises the following steps:

[0073] (1) Rotary slices: use a rotary cutter to cut the eucalyptus into 1.5-3 mm thick slices to obtain eucalyptus veneers, and pick out the unqualified boards with insect eyes, decay and excessive defects;

[0074] (2) Veneer drying: Dry the eucalyptus veneer with a hot air stove, and control the moisture content of the veneer to be less than or equal to 10%;

[0075] (3) Glue application: use a glue applicator to apply glue to the eucalyptus veneers and arrange 8-10 layers of glued eucalyptus veneers in criss-cross layers according to the wood texture structure, and glue them together to get the eucalyptus planks Blank; the glue is a flame-retardant composite urea-formaldehyde resin, and the amount of glue on one side is 200g / m 2 ;

[0076] (4) Three times of cold pressing: the eucalyptus slab is cold ...

Embodiment 2

[0101] The method for producing full eucalyptus solid wood composite flooring by adopting flame-retardant composite urea-formaldehyde resin comprises the following steps:

[0102] (1) Rotary slices: use a rotary cutter to cut the eucalyptus into 1.5-3 mm thick slices to obtain eucalyptus veneers, and pick out the unqualified boards with insect eyes, decay and excessive defects;

[0103] (2) Veneer drying: Dry the eucalyptus veneer with a hot air stove, and control the moisture content of the veneer to be less than or equal to 10%;

[0104] (3) Glue application: use a glue applicator to apply glue to the eucalyptus veneers and arrange 8-10 layers of glued eucalyptus veneers in criss-cross layers according to the wood texture structure, and glue them together to get the eucalyptus planks Blank; the glue is a flame-retardant composite urea-formaldehyde resin, and the amount of glue on one side is 210g / m 2 ;

[0105] (4) Three times of cold pressing: the eucalyptus slab is cold ...

Embodiment 3

[0129] The method for producing full eucalyptus solid wood composite flooring by adopting flame-retardant composite urea-formaldehyde resin comprises the following steps:

[0130] (1) Rotary slices: use a rotary cutter to cut the eucalyptus into 1.5-3 mm thick slices to obtain eucalyptus veneers, and pick out the unqualified boards with insect eyes, decay and excessive defects;

[0131] (2) Veneer drying: Dry the eucalyptus veneer with a hot air stove, and control the moisture content of the veneer to be less than or equal to 10%;

[0132] (3) Glue application: use a glue applicator to apply glue to the eucalyptus veneers and arrange 8-10 layers of glued eucalyptus veneers in criss-cross layers according to the wood texture structure, and glue them together to get the eucalyptus planks Blank; the glue is a flame-retardant composite urea-formaldehyde resin, and the amount of glue on one side is 230g / m 2 ;

[0133] (4) Three times of cold pressing: the eucalyptus slab is cold ...

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Abstract

The invention relates to a method for producing full-eucalyptus parquet with flame-retardant composite urea-formaldehyde resin, comprising the steps of wood board peeling->veneer drying -> gluing -> three times of cold pressing -> standing for curing->three times of hot pressing ->heat dissipation for curing->slab calibrating and sanding-> substrate surface gluing -> curing and slotting-> leaching paint, drying and shaping. The method is characterized in that the melamine modified urea-formaldehyde resin is used as the main ingredient in the adhesive; the oxidized starch as adhesive compound, the polyving akohol as toughening agent, the hydrogenated rosin as antioxidant, the polyisocyanate as curing agent, i-butyltriethoxanesilane as bridging agent, phenolic lignin as formaldehyde scavenger and flame retardant agent are added together to produce the flame-retardant composite urea-formaldehyde resin. The flame-retardant composite urea-formaldehyde resin has such advantages as little formaldehyde residue, perfect flame resistance and lowering combustion temperature by internal endothermic reaction so that the full-eucalyptus parquet contains little formaldehyde residue and has good flame-retardant effect in case of fire disasters.

Description

technical field [0001] The invention belongs to the field of wood-based panel manufacturing, in particular to a method for producing full eucalyptus solid wood composite flooring by using flame-retardant composite urea-formaldehyde resin. Background technique [0002] With the development of China's economy and the improvement of people's living standards, the requirements for home decoration are also constantly increasing. Because of its natural and beautiful texture and good texture, wooden floor has become the first choice material for home floor decoration. Solid wood composite flooring overcomes the shortcomings of solid wood flooring swelling and shrinking, has good dimensional stability, and at the same time retains the natural wood grain and comfortable foot feeling of solid wood flooring, thus becoming an important variety in flooring. Solid wood composite flooring is made of cross-laminated boards of different tree species, which overcomes the disadvantage of unid...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B27M3/04B27D1/08B32B37/06B32B37/10B32B37/12E04F15/04C09J161/32C09J103/10C09J11/04C09J11/06C09J11/08
CPCB27M3/04B27D1/08B32B37/06B32B37/10B32B37/12B32B2037/1269C08L2201/02C08L2205/035C09J11/04C09J11/06C09J11/08C09J161/32E04F15/046C08L3/10C08L29/04C08L93/04C08L71/02C08L97/005C08K13/02C08K2003/026C08K5/03C08K3/2279
Inventor 王飞虎
Owner 南宁市林润木业有限公司
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