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Manufacturing method of bamboo wood composite container baseboard

A container base plate and manufacturing method technology, applied to the jointing of wooden veneers, manufacturing tools, wood processing appliances, etc., can solve the problems that the product cannot fully meet the performance indicators, processing defects, etc., and achieve resource saving, good toughness, The effect of low production cost

Active Publication Date: 2008-05-07
南通新洋环保板业有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In order to adapt to the characteristics of repeated use of containers, the quality requirements of the container bottom plate are very high: longitudinal static bending strength ≥ 90Mpa, elastic modulus ≥ 10000Mpa; transverse static bending strength ≥ 35Mpa, elastic modulus ≥ 3500Mpa; bonding strength ≥ 1.8Mpa In the application of bamboo-wood composite plywood as the bottom plate of the container, due to the defects of the processing technology, the manufactured products cannot fully meet the above performance indicators

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0019] Example 1: First, 0.3% polyvinyl alcohol is added to the phenolic resin to make a modified phenolic resin. The content of free phenol and free aldehyde in this resin is very low, and the formaldehyde content in the plate is less than 1ppm, which meets the international environmental protection requirements. The bonding strength reaches Above 1.8Mpa, stable quality and low cost.

[0020] Bamboo curtains and bamboo mats are dipped in No. I modified phenolic resin made by adding 0.3% Meganium 2000 insect repellent, and the amount of glue applied to bamboo curtains impregnated with No. I modified phenolic resin reaches 200g / m 2 , Bamboo mat impregnated with No. I modified phenolic resin, the amount of gluing reached 450g / m 2 , after gluing, take it out and dry it at 95-98°C, so that the moisture content of bamboo curtains and bamboo mats can reach 10-13%; the impregnated paper is made by adding 0.3% Meganium 2000 insect repellant and 2% mold release agent No. III modified ...

Embodiment 2

[0022] Embodiment 2: first in phenolic resin, add 0.4% polyvinyl alcohol to make modified phenolic resin, in the No. I modified phenolic resin that bamboo curtain, bamboo mat impregnate adding 0.2% Meganium 2000 insect repellant to make, wherein bamboo Curtain impregnation No. I modified phenolic resin glue amount reaches 220g / m 2 , Bamboo mat impregnated with No. I modified phenolic resin, the amount of gluing reached 400g / m 2 , and dry at 90°C to make the moisture content of bamboo curtains and mats reach 12-14%; impregnate the impregnated paper with 0.2% Meganium 2000 insect repellant and 2.5% mold release agent to make No. III modified phenolic In the resin, the glue amount is 125g / m 2 , removed and dried to a volatile content of 18-22%. Roll coating of wood veneer with No. II modified phenolic resin made by adding 0.4% Meganium 2000 insect repellant, the glue amount reaches 160g / m 2 Take out and store for 4 hours;

[0023] Using a hot press of more than 1600 tons, the...

Embodiment 3

[0024] Embodiment 3: first add 0.35% polyvinyl alcohol to make modified phenolic resin in phenolic resin, bamboo curtain, bamboo mat are immersed in No. I modified phenolic resin that adds 0.25% Meganium 2000 insect repellent and makes, wherein bamboo Curtain impregnation No. I modified phenolic resin glue amount reaches 210g / m 2 , Bamboo mat impregnated with No. I modified phenolic resin, the amount of gluing reached 420g / m 2 , and dry at 90-95°C, so that the moisture content of bamboo curtains and mats reaches 10-14%; impregnated paper impregnated with 0.4% Meganium 2000 insect repellent and 2.2% mold release agent made of modified No. III Phenolic resin, glue amount 115g / m 2 , taken out and dried to a volatile content of 20%. Roll coating of wood veneer with No. II modified phenolic resin added with 0.35% Meganium 2000 insect repellant, the glue amount reaches 180g / m 2 Take out and store for 5 hours;

[0025] Using a hot press of more than 1600 tons, the top and bottom ...

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PUM

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Abstract

A method for manufacturing the bamboo and wood combined bottom board of container includes such steps as preparing the modified phenolic resin, coating it on the surface of bamboo curtain, bamboo mat, dipped paper and wood plays, criss-cross combination of bamboo curtain and wood plys, covering by bamboo mats and dipped paper, hot pressing for 50-55 min, and cooling.

Description

1. Technical field [0001] The invention relates to the technical field of bamboo-wood composite plywood, in particular to a method for manufacturing container bottom plates using bamboo curtains, bamboo mats and wooden veneers as raw materials. 2. Background technology [0002] In recent years, with the rapid development of China's international trade, China has become a major container manufacturing country in the world. With the increase of artificial mining, cloned wood has become a rare tree species, and the raw materials used in the production of container floor are gradually developing from 100% cloned wood to multi-material species. China is very rich in bamboo resources, and the growth cycle of bamboo is short. Compared with wood, bamboo has the characteristics of high strength, good toughness, high rigidity, and easy longitudinal cutting. Replacing cloned wood with bamboo-wood composite container floor has a good development prospect. [0003] In order to adapt to...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B27D1/08B27G11/00
Inventor 吴植泉
Owner 南通新洋环保板业有限公司
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