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A method of manufacturing a building panel

A technology of building panels and mixtures, which is applied in the direction of building construction, construction, building materials, etc., can solve problems such as panel warping, and achieve the effects of reducing waste, reducing production costs, and reducing costs

Inactive Publication Date: 2016-05-25
VÄLINGE INNOVATION AB
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Internal stresses formed in the decorative surface layer can lead to warping of the panel

Method used

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  • A method of manufacturing a building panel
  • A method of manufacturing a building panel
  • A method of manufacturing a building panel

Examples

Experimental program
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Effect test

Embodiment Construction

[0052] Figure 1a -e shows a method of forming building panels. The building panel 1 may be a floor panel, a wall panel, a ceiling panel, a furniture part, a worktop or the like. The method includes arranging the cores 2 on a conveyor belt. The core 2 may be a board, such as a wood board. For example, the wood substrate may be HDF, MDF, particle board, OSB, plywood, etc., or WPC (wood plastic composite). The core 2 may also be a thermoplastic core.

[0053] The method also includes applying the first mixture 3 on the first surface of the core 2 . The first mixture 3 comprises granules formed from production waste comprising resin impregnated paper and individual granules of thermosetting binder. The first mixture 3 is applied as a powder.

[0054] Production waste refers to production residues and leftovers used in production, such as unconsumed materials.

[0055] The production of building panels, such as floor panels, generates a certain amount of production waste. F...

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Abstract

The disclosure relates to a method of manufacturing a building panel (6) comprising including a core (2), a decorative layer (12) and a balancing layer (13), including mechanically processing production waste including a resin impregnated paper to processed production waste, applying a first mix (3) including said processed production waste and a thermosetting binder on a first surface of a core (2), applying a decorative layer (12) on a second surface of the core (2), and curing the first mix (3) to a balancing layer (13) of the building panel (6). The disclosure also relates to such a building panel.

Description

technical field [0001] The invention relates to a method of manufacturing building panels comprising a core, a decorative layer and a balancing layer. Background technique [0002] Floor panels such as laminate floor panels or wood fiber floor (WFF) panels are usually provided with a balancing layer on the back of the panel. A balancing layer may also be referred to as a lining layer or a counteracting layer. A decorative surface layer is provided on the opposite side of the core. The decorative layer may include a resin-impregnated decorative paper and a resin-impregnated overlay paper. The decorative layer may also be a surface layer formed from a mixture comprising wood fibers and a thermosetting binder as described in WO2009 / 065769. Such floor panels are listed under the trademark down sale. [0003] When a thermosetting binder such as melamine formaldehyde resin in the decorative surface layer is cured, the shrinkage of the melamine formaldehyde resin causes tensi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B44C5/02B27N3/00B32B21/02E04C2/16E04F15/02B32B27/42B32B37/24C08J11/00
CPCB32B37/24B32B2037/243B32B2038/0076B32B2307/718B32B2309/02B32B2309/04B32B2309/12B32B2398/10B32B2607/02B32B21/02B32B21/12B32B2260/046B32B2307/4026E04C2/24E04F15/102E04F15/107B32B21/14B32B27/10B32B29/002B32B2264/102B32B2264/12B32B2419/00B32B2471/00B32B2479/00B32B21/06B32B2250/03B32B2260/028B32B2264/065B32B2607/00Y10T428/31993
Inventor H·佩尔松P·武加德赫
Owner VÄLINGE INNOVATION AB
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