Honeycomb plate

A technology of honeycomb panels and panels, applied in the direction of coating, layered products, powder coatings, etc., can solve the problems of complicated edge banding process, unsuitable for honeycomb panels, and impossibility of thick coating, etc., to achieve simple and convenient edge banding process, The effect of meeting the mechanical strength requirements

Inactive Publication Date: 2014-05-07
TIGER DRYLAC TAICANG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The applicant has tested various disclosed improvement schemes in the background technology, and found that they are all in order to avoid the problem of cracks in existing commercialized powder coating spraying, and adopt edge sealing to honeycomb panels in advance, specifically, as Use hot melt adhesive to apply edge banding, or use UV-curable UV-curable coating to apply edge banding. Although a certain procedure solves the problem of cracks caused by spraying with conventional low-temperature curing powder coatings, the edge banding process is complicated and is not suitable for Honeycomb panels with complex shapes and structures are edge-banded. At the same time, the penetration of liquid application is poor, and thick coating cannot be achieved, which limits the strength and leveling of the edge-banding coating, and ultimately cannot produce high-quality honeycombs. Panel edge coating, making the application of powder coatings on honeycomb panel edge bands subject to extremely difficult constraints

Method used

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Experimental program
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Effect test

Embodiment 1

[0050] See figure 2 As shown, a honeycomb panel includes a honeycomb panel body 100, the side of the panel body has an edge-seal coating 200, and a thermosetting coating 300 is provided on the edge-seal coating 200 and the surface of the panel body 100, wherein the edge-seal coating The layer 200 is obtained by electrostatic spraying and infrared spectrum curing on the side of the plate body 100 with powder coating for edge sealing. The specific wavelength range of the infrared spectrum is 100-300 μm. Certainly, in other specific implementation manners, infrared spectra of other specific wavelength ranges may also be selected.

[0051] In this embodiment, the powder coating for edge sealing includes the following raw materials in parts by weight:

[0052] 63 parts of epoxy resin, wherein, epoxy resin is prepared by adopting semi-crystalline or full crystallization or superesterification process, and is used to reduce viscosity and improve curing speed. Specifically, in this ...

Embodiment 2

[0066] The rest of the technical solutions of this embodiment 2 are the same as those of the above-mentioned embodiment 1, the only difference being that the powder coating for edge sealing includes the following raw materials in parts by weight:

[0067] 25 parts of epoxy resin;

[0068] 20 parts of curing agent;

[0069] 35 parts of pigments and fillers;

[0070]20 parts of auxiliary agent, specifically, in this embodiment, the auxiliary agent includes 3 parts of leveling agent, 5 parts of rheological agent, 5 parts of viscosity reducer, 3 parts of degassing agent and 4 parts of defoamer.

Embodiment 3

[0072] The remaining technical solutions of this embodiment 3 are the same as those of the above-mentioned embodiment 1, and the only difference is that the powder coating for edge sealing includes the following raw materials in parts by weight:

[0073] 30 parts of epoxy resin;

[0074] 18 parts of curing agent;

[0075] 32 parts of pigments and fillers;

[0076] 20 parts of auxiliary agent, specifically, in this embodiment, the auxiliary agent includes 3 parts of leveling agent, 5 parts of rheological agent, 5 parts of viscosity reducer, 3 parts of degassing agent and 4 parts of defoamer.

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Abstract

The invention relates to a honeycomb plate. The honeycomb plate comprises a honeycomb plate body, wherein an edge sealing coating is arranged on the side of the plate body; thermosetting coatings are arranged on the edge sealing coating and the surface of the plate body; the edge sealing coating is obtained by electro-statically coating edge sealing powder coating on the side of the plate body and curing; the thermosetting coatings are obtained by electro-statically coating low-temperature curing powder coating on the edge sealing coating and the surface of the plate body and curing. According to the honeycomb plate, a good edge sealing effect is achieved; the cracking of the side of the honeycomb plate can be effectively prevented; due to the adoption of the electro-static coating, the edge sealing process is simple, convenient and suitable for sealing edges of substrate workpieces in various shapes.

Description

technical field [0001] The invention relates to a board, in particular to a honeycomb board. Background technique [0002] Thermosetting powder coatings are widely used in various fields due to their advantages of no organic solvent, good environmental protection, high utilization rate, and convenient storage and transportation. Due to the heat sensitivity of heat-sensitive substrates (such as wood, fiberboard, plastic, cement board, etc.), conventional thermosetting powder coatings cannot be directly applied to heat-sensitive substrates. With the development of modern science and technology, there are many low-temperature curing powder coatings for heat-sensitive substrates. However, the following problems still exist in the actual production process: [0003] Heat-sensitive substrates such as honeycomb panels will crack on the side of the substrate during the baking and curing process after spraying of low-temperature curing powder coatings and after curing. This is beca...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B32B33/00C09D163/00C09D167/00C09D167/06C09D5/03
Inventor 刘际平高志豪顾颂文
Owner TIGER DRYLAC TAICANG
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