Manufacturing method of environment-friendly five-layer plywood

A production method and technology of five-plywood, which is applied in the field of wood processing, can solve the problem of large formaldehyde released by five-plywood, and achieve the effects of improving environmental protection, providing environmental protection effects, and high bonding strength

Inactive Publication Date: 2018-06-29
广西艾尚嘉家居有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to provide a method for making environmentally friendly five-plywood to solve the problem that existing five-plywood releases a large amount of formaldehyde

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] A kind of manufacturing method of environment-friendly five-ply board, comprises the following steps:

[0029] (1) Veneer drying: several veneers are dried so that the moisture content of the veneers is 5%.

[0030] (2) Embryo formation treatment: the veneers processed in step (1) are grouped into five pieces to form embryos, and the five veneers are synthesized from bottom to top into a five-ply embryo, and two adjacent veneers Glue them together with a special adhesive. The special adhesive is prepared from the following raw materials in parts by weight: 50 parts of modified phenolic glue, 20 parts of soybean protein glue, 8 parts of sodium hydroxide, 4 parts of anti-enzyme agent, 4 parts of flame retardant and 15 parts of filler . Wherein, the flame retardant is prepared from the following raw materials in parts by weight: 20 parts of chlorinated paraffin, 30 parts of ammonium oligophosphate, 10 parts of ammonium pyrophosphate and 10 parts of boric acid. The antif...

Embodiment 2

[0041] A kind of manufacturing method of environment-friendly five-ply board, comprises the following steps:

[0042] (1) Veneer drying: several veneers are dried so that the moisture content of the veneers is 10%.

[0043] (2) Embryo formation treatment: the veneers processed in step (1) are grouped into five pieces to form embryos, and the five veneers are synthesized from bottom to top into a five-ply embryo, and two adjacent veneers Glue them together with a special adhesive. The special adhesive is prepared from the following raw materials in parts by weight: 60 parts of modified phenolic glue, 30 parts of soybean protein glue, 12 parts of sodium hydroxide, 8 parts of anti-enzyme agent, 8 parts of flame retardant and 20 parts of filler . Wherein, the flame retardant is prepared from the following raw materials in parts by weight: 30 parts of chlorinated paraffin, 40 parts of ammonium oligophosphate, 16 parts of ammonium pyrophosphate and 16 parts of boric acid. The ant...

Embodiment 3

[0054] A kind of manufacturing method of environment-friendly five-ply board, comprises the following steps:

[0055] (1) Veneer drying: several veneers are dried so that the moisture content of the veneers is 8%.

[0056] (2) Embryo formation treatment: the veneers processed in step (1) are grouped into five pieces to form embryos, and the five veneers are synthesized from bottom to top into a five-ply embryo, and two adjacent veneers Glue them together with a special adhesive. The special adhesive is prepared from the following raw materials in parts by weight: 55 parts of modified phenolic glue, 25 parts of soybean protein glue, 10 parts of sodium hydroxide, 6 parts of anti-enzyme agent, 6 parts of flame retardant and 17 parts of filler . Wherein, the flame retardant is prepared from the following raw materials in parts by weight: 25 parts of chlorinated paraffin, 35 parts of ammonium oligophosphate, 13 parts of ammonium pyrophosphate and 13 parts of boric acid. The anti...

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PUM

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Abstract

The invention discloses a manufacturing method of environment-friendly five-layer plywood and belongs to the technical field of wood processing. The method comprises the following steps of veneer drying, blank grouping treatment, hot-pressing treatment, cold-pressing treatment, edge cutting and polishing, wherein in the step of blank grouping treatment, veneers subjected to drying treatment are subjected to blank grouping, and every five veneers serve as a group; the five veneers is combined into a five-layer plate blank from bottom to top; every two adjacent veneers are bonded through a special adhesive; the special adhesive comprises, by weight, 50-60 parts of modified phenolic glue, 20-30 parts of casein-soybean glue, 8-12 parts of sodium hydroxide, 4-8 parts of anti-enzyme agent, 4-8 parts of fire retardant and 15-20 parts of filling agent. Through the manufacturing method, the problem that existing five-layer plywood release a great deal of formaldehyde is solved.

Description

technical field [0001] The invention belongs to the technical field of wood processing, and in particular relates to a method for making an environment-friendly five-ply board. Background technique [0002] Five-plywood is a plywood made by sticking five layers of veneer together in different grain directions, which requires adhesives to be applied during the manufacturing process. Plywood is widely used in daily life because of its excellent properties such as uniform structure, small expansion and contraction, small vertical and horizontal strength difference, and not easy to crack, and its demand is increasing day by day. In the traditional five-plywood production method, the added adhesive contains a large amount of formaldehyde, so furniture made of five-plywood will release a large amount of formaldehyde. In addition to causing diseases of the human respiratory tract and nervous system, formaldehyde can even induce the occurrence of various cancers, seriously affectin...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B27D1/08B27D5/00C09J161/14C09J189/00C09J11/04C09J11/06C09J11/08
Inventor 杨静
Owner 广西艾尚嘉家居有限公司
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