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Manufacturing method of novel high-strength bamboo-bundle plate

A manufacturing method and technology of bamboo beams, which are applied in the manufacture of tools, the joining of wooden veneers, textiles and papermaking, etc., can solve the problems of unresolved interface gluing and unsatisfactory manufacturing methods, so as to achieve better resistance to deformation and improve The effect of load carrying capacity and strong creep resistance

Active Publication Date: 2017-07-25
LONGYOU SHENYU BAMBOO PLYWOOD MFG CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, when bamboo and wood engineering structural materials with higher strength and strong creep resistance requirements are required, the original manufacturing method can no longer meet the requirements.
Chinese patent (CN 104589428) proposes that high-strength materials such as glass fiber mesh or glass fiber rods and basalt rods are arranged at the bottom of the bamboo beam board, which effectively increases the strength of bamboo, but still does not solve the problem of bamboo and glass fiber rods, basalt rods, etc. Interfacial bonding between materials

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] Embodiment 1: The manufacturing method of the novel high-strength bamboo bundle plate of symmetrical structure

[0025] Choose moso bamboo over 5 years old as raw material, cut off the original bamboo, cut it longitudinally into 3 arc-shaped bamboo slices, roll and flatten the arc-shaped bamboo slices, crack the yellow layer of bamboo when flattening, keep the green surface of the bamboo sticking, and flatten it into a whole sheet; the flattened bamboo slices are based on the bamboo green surface, and the bamboo yellow is removed by planing, and then the bamboo green is removed, and processed into a fixed-thickness bamboo veneer; the fixed-thickness bamboo veneer is dried until it contains water The rate is 10%; the dried bamboo bundle veneer is impregnated with phenolic resin glue, the amount of impregnation is 10%, and the impregnation is dried at low temperature to a moisture content of 10%;

[0026] Select high-quality reinforced non-alkali glass fiber yarn, and wea...

Embodiment 2

[0030] Embodiment 2: A new type of high-strength bamboo beam board manufacturing method with asymmetric structure

[0031] Choose moso bamboo over 5 years old as raw material, cut off the original bamboo, cut it longitudinally into 3 arc-shaped bamboo slices, roll and flatten the arc-shaped bamboo slices, crack the yellow layer of bamboo when flattening, keep the green surface of the bamboo sticking, and flatten it into a whole sheet; the flattened bamboo slices are based on the bamboo green surface, and the bamboo yellow is removed by planing, and then the bamboo green is removed, and processed into a fixed-thickness bamboo veneer; the fixed-thickness bamboo veneer is dried until it contains water rate of 10%; the dried bamboo veneer is impregnated with phenolic resin, the amount of impregnation is 10%, and the impregnation is dried at low temperature to a moisture content of 10%;

[0032] Select high-quality reinforced non-alkali glass fiber yarn, and weave it into glass fib...

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Abstract

The invention relates to a manufacturing method of a novel high-strength bamboo-bundle plate. According to the manufacturing method, a glass fiber grid is coated with modified asphalt and is then dipped into phenolic resin glue; the glass fiber grid is well compatible to the solidified glue layer, so the gluability is improved; in a hot-pressing process, the phenolic resin glue and the modified asphalt play an interlocking effect and are cross-linked with a bamboo material; a composite mechanical interlocking system is formed during a bearing process, so the bearing capacity of a composite material is improved; and the glass fiber grid has extremely high creep deformation resistance and has extremely good deformation resistance either under a long-time loading effect or under an alternating loading effect, so the novel high-strength bamboo-bundle plate meets the use requirements of a floor base plate of a railway boxcar and also has the characteristics of corresponding impact toughness, low-temperature impact toughness, acid and base resistance, no crack on a high-temperature working surface and the like.

Description

technical field [0001] The invention belongs to the technical field of bamboo wood-based panels, and relates to a method for manufacturing a glass-reinforced high-strength bamboo wood-based panel. Background technique [0002] With the rapid development of my country's economy, the demand for wood has increased sharply. In 2014, my country's wood imports reached 87.63 million m 3 , foreign dependence exceeds 50%, which seriously threatens the security of my country's timber supply; in addition, 86 countries and regions have restricted or banned the export of rare and large-diameter logs. What is even more serious is that my country will completely stop commercial logging of natural forests by the end of 2017, and the medium- and long-term timber supply gap will reach more than 75%, and the contradiction between timber supply and demand will become more prominent; therefore, domestic fast-growing forest and bamboo resources will be tapped to make up for the shortage of timber...

Claims

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Application Information

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IPC IPC(8): B27D1/00B27J1/00D04C1/02
CPCB27D1/00B27J1/00D04C1/02D10B2101/06
Inventor 姜建春
Owner LONGYOU SHENYU BAMBOO PLYWOOD MFG CO LTD
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