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Novel sheet material and application thereof

A new material and board technology, applied in wood compression, wood treatment, impregnated wood, etc., can solve the problems of unclear process parameters, poor operability, and low production efficiency, and achieve clear process parameters and strong operability , the effect of high production efficiency

Inactive Publication Date: 2014-09-10
ZHANGWU MEISHUO FURNITURE PLATE R & D CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

But it has the following deficiencies: (1) in the airtight container, the plantation soft wood is processed, the process is complicated, the operation is difficult, and the production efficiency is low; , did not indicate whether it was gauge pressure or unit pressure, the process parameters were not clear, and the operability was not strong; (3) The hot pressing pressure was too high, which greatly reduced the utilization rate of wood; (4) The surface compacted material was obtained color is still dark

Method used

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  • Novel sheet material and application thereof

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Embodiment Construction

[0029] First prepare light-colored water-soluble low-molecular-weight phenolic resin glue. The raw materials are phenol, formaldehyde, sodium hydroxide and melamine. The molar ratio of the first three is phenol:formaldehyde:sodium hydroxide=1:1.5~3.0:0.1~0.2, melamine The amount of input is 20-40% of the total amount of phenol, and the process is as follows:

[0030] (a) Melt phenol, when the temperature is 60-65°C, add NaOH, the amount added accounts for 50-70% of the total NaOH dosage, and react for 20 minutes;

[0031] (b) Adding formaldehyde, the first addition accounted for 70-80% of the total formaldehyde dosage, raised the temperature to 85-95°C, and reacted for 10-30 minutes; lowered the temperature to 60-75°C, added the second batch of formaldehyde, the amount added Accounting for 10-15% of the total dosage of formaldehyde; and adding NaOH, the amount added accounts for 10-20% of the total dosage of NaOH;

[0032] (c) Heat up to 85-95°C, keep warm for 10-20 minutes, ...

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Abstract

The invention relates to a novel sheet material and application thereof. The objective of the invention is to provide manufacturing and application of the novel sheet material with the advantages of high surface density, great lightness, uneasy deformability, simple process, good controllability and a shallow color. Manufacturing of the novel sheet material comprises the following steps: (1) drying, wherein water content is controlled to be 20 to 30%; (2) rolling, wherein a compression ratio is controlled to be 10 to 30%; (3) surface impregnation: a step of soaking one or two surfaces of the sheet material in a light-color water-soluble low-molecular-weight phenolic resin glue with a concentration of 10 to 25%; (4) steam softening, wherein softening temperature is controlled to be 120 to 140 DEG C, and softening time is 20 to 60 min; and (5) surface compaction, wherein a compression ratio is controlled to be 15 to 50%, a hot pressing temperature is 160 to 180 DEG C and unit pressure is 1.5 to 4.5 MPa. The novel sheet material can be applied both to a kitchen cabinet with adjustable temperature and in fields like furniture manufacturing and interior decoration.

Description

technical field [0001] The invention relates to a new plate material and its application. It is suitable for use in temperature-adjustable kitchen cabinets, as well as in furniture manufacturing, interior decoration and other fields. Background technique [0002] At present, my country is in the stage of developing and using a large number of plantation fast-growing wood, but the material of plantation wood is loose, low density, and poor in mechanical strength, so it cannot be directly used as materials for furniture and interior decoration. In order to overcome the shortcomings of the above-mentioned artificial forest wood, the existing technology usually adopts methods such as impregnation and compaction to strengthen it. Among them, ordinary compressed wood, surface compacted wood (surface compacted wood), and compressed wood produced by compaction methods Orthopedic wood, etc. have greatly improved the hardness, density, and strength of plantation wood, and realized th...

Claims

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Application Information

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IPC IPC(8): B27K3/02B27K3/50B27K5/06B27M1/02B27M3/18
Inventor 刘宏亮
Owner ZHANGWU MEISHUO FURNITURE PLATE R & D CO LTD
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