Manufacturing method of melamine impregnated paper used for laminate flooring

A technology of melamine and laminated flooring, which is applied in the direction of paper, papermaking, textiles and papermaking, etc., to achieve the effects of increased output, good physical properties, and high bonding strength

Active Publication Date: 2014-09-03
佛山简晟装饰材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The technical problem to be solved by the present invention is to provide a method for preparing melamine-impregnated paper for laminate flooring with high strength, low brittleness and low manufacturing cost in view of various problems existing in existing melamine-impregnated paper

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] The manufacture method of surface layer melamine impregnated wear-resistant paper, comprises the following steps:

[0024] 1), preparation of bacterial cellulose membrane

[0025] Acetobacter xylinum or Acetobacter pasteurianus as raw material, 55-70wt% sucrose and 30-45wt% fructose as carbon source, casein hydrolyzate as nitrogen source, fermented in a reactor with agitator The bacterial cellulose wet film was obtained, and then the bacterial cellulose wet film was taken out from the reaction kettle and soaked in a NaOH solution with a concentration of 0.15mol / L, and then soaked and rinsed with deionized water several times to make the pH value reach neutral. for backup or storage.

[0026] 2) Preparation of high-strength impregnated base paper

[0027] The neutral bacterial cellulose wet film obtained in step 1) is cut into small pieces of 5-8mm × 5-8mm in size, mixed with water in a weight ratio of 1:7, and heated in a standard fiber disintegrator at 12500 The bac...

Embodiment 2

[0038] The manufacture method of melamine decorative impregnated paper, compared with embodiment 1, is:

[0039] Step 4) Impregnating once and drying twice: manufacture according to the processes of impregnating high-strength base paper into softened melamine resin, drying, impregnating softened melamine resin, drying, cooling, and cutting.

[0040] The melamine decoration impregnated paper that present embodiment makes is compared with the product purchased in the market, and is as follows after testing:

[0041] The wet longitudinal tensile strength is 10N, and the wet transverse tensile strength is 8N, an increase of 30%;

[0042] The wet folding strength is 50 times, which is increased by 3 times;

[0043] The wet bursting index is 1kPa·m 2 / g, doubled;

[0044] The wet tear index is 3.5mN m 2 / g, increased by 30%.

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PUM

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Abstract

The invention discloses a manufacturing method of melamine impregnated paper used for laminate flooring. The manufacturing method comprises the following steps of preparing a bacterial cellulose membrane, preparing high strength impregnated body paper, softening a melamine resin and preparing the melamine impregnated paper. The manufacturing method takes mixed sugar as a carbon source and casein hydrolysate as a nitrogen source, so that output of the bacterial cellulose membrane is greatly increased. Isocyanate with high glue strength and good toughness is added in the softening process of the melamine resin; and the whole preparation process is reasonable in design and is scientific and controllable, so that preparation cost is reduced and physical properties of products are good, thereby meeting use requirements of the laminate flooring.

Description

technical field [0001] The invention belongs to the field of wood-based panels, and relates to a method for manufacturing melamine-impregnated paper, in particular to a method for manufacturing melamine-impregnated paper for reinforced floors. Background technique [0002] Laminate flooring, also known as impregnated paper laminated wood flooring, is a kind of wood flooring made of high-density fiberboard or particle board as the base material, covered with melamine impregnated paper on the surface, and coated with a balance layer on the back. Laminate flooring has the advantages of beautiful surface, good wear resistance, good dimensional stability, strong pollution resistance, good impact resistance, and convenient installation. It has been widely used in the field of decoration and is deeply loved by consumers. [0003] In the manufacture of laminate flooring, the performance of melamine-impregnated paper plays a very important role in the quality of laminate flooring, wh...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): D21H17/51D21H13/02D21C5/00
Inventor 杜春贵金春德
Owner 佛山简晟装饰材料有限公司
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