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Processing method for a printing base for melaminated paper

A printing base and resin technology, which can be used in fiber raw material processing, chemical instruments and methods, synthetic resin layered products, etc., and can solve problems such as increased manufacturing costs.

Inactive Publication Date: 2010-01-06
PAPETERIES DU LEMAN
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, this method requires many production steps, and thus leads to an increase in its manufacturing cost

Method used

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  • Processing method for a printing base for melaminated paper
  • Processing method for a printing base for melaminated paper

Examples

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Embodiment Construction

[0042] As already seen, resin flooring includes trim boards, covering boards, particle-based (MDF (medium density fibre), HDF (high density fibre), etc.) panels and covering boards. The present invention relates to an improvement in the processing of paper used as a printing base (decorative sheet) for resin paper, the overlay sheet being applied by a converter if necessary.

[0043]To this end, support papers based on slightly refined fibers comprising a mixture of 50-20% by weight of long-fiber pulp (softwood) and 50-80% by weight of short-fiber pulp (hardwood) are first produced.

[0044] By long fibers is meant fibers of 3-5 mm, from trees such as pine, spruce, radiata pine or Douglas fir. Short fiber pulp of about 1-2 mm comes from eg eucalyptus, acacia, maple, birch or chestnut.

[0045] The specific components of this mixture are chosen to form a support which is particularly suitable for impregnating its core with the resin to be coated on the paper surface.

[0046]...

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Abstract

The invention relates to a method for processing a paper strip for producing a printing base for a melaminated paper that involves an application according to a low-pressure impregnation technique, and that comprises the following steps: e) producing a paper containing coarsely refined fibres, the paper containing pigments; f) applying a resin-based mixture on the upper surface of the paper to be printed; g) applying a resin-based layer on the lower surface of the paper to be applied against a panel; h) drying the paper; characterised in that the application steps (b) and (c) are carried out simultaneously and in that the mixtures applied on the upper and lower surfaces of the paper have different composition.

Description

technical field [0001] The present invention relates to tissue papers for use in multi-ply or multi-ply decorations, and methods for their manufacture. [0002] The invention relates more particularly to printing bases for resin papers (papiers mélaminés) intended for the production of floors or high-end furniture. Background technique [0003] Depending on the desired application of the finished product and the cost of manufacture, two families of papers have developed on the market: "feuilles finies" and "resin papers". [0004] Finished paper is paper that, after manufacture in a paper machine, is placed continuously in a converter, adhered to a desired support (such as a panel) with an adhesive film, and then processed in a printer. decorate. If no extra steps were taken in their method of manufacture, they would be called "washi paper (papier japonais)" and their pound size (in g m -2 The weight of cardboard per square meter) in 20g m -2 with 50g·m -2 between. Thi...

Claims

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Application Information

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IPC IPC(8): D21H19/84D21H27/26B32B27/10E04F15/16
CPCB44C5/0469D21H27/26D21H19/84
Inventor E·赫勒N·班约尔斯O·皮萨斯基
Owner PAPETERIES DU LEMAN
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