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Modification and cooling treatment method for profile

A treatment method and profile technology, applied in wood treatment, wood treatment details, impregnated wood, etc., can solve the problems of profile surface performance degradation and achieve good surface properties

Inactive Publication Date: 2017-08-11
ZHEJIANG YONGYU FURNITURE CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

As a result, the modified medium content on the surface of the profile is less or even transferred to a more internal position. As we all know, the surface properties of the profile determine the performance of the profile, such as surface hardness, surface anti-corrosion and anti-mildew performance, etc., and the modified medium Excessive transfer to the inside will reduce the surface properties of the profile

Method used

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  • Modification and cooling treatment method for profile
  • Modification and cooling treatment method for profile

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0029] Example 1: Choose a bamboo reconstituted profile with a water content of 20-30% and a specification of 1920*200*24mm. After a high-temperature oil heat treatment at 180°C, before the surface temperature of the bamboo reconstituted profile drops to 160°C, the bamboo The recombined profile is placed in a medium at a temperature of 30°C, and the immersion process is completed within 5 minutes. The medium is vegetable oil with preservatives added at a ratio of 1:100 (1g of preservatives per 100g of medium oil). The obtained surface layer of the finished bamboo recombined profile has a medium layer (vegetable oil anti-corrosion modified layer) with a thickness of 1-3 mm.

Embodiment 2

[0030] Example 2: Select a poplar solid wood profile with a moisture content of 12-16% and a specification of 1900*180*24mm. After acetylation treatment at 160°C under pressure, before the surface temperature of the poplar solid wood profile drops to 140°C, The poplar solid wood profile is placed in a medium with a temperature of 20°C, and the immersion process is completed within 2 minutes. The medium is mineral oil with antifungal agent added at a ratio of 1:150 (1g antifungal agent per 150g medium). The surface layer of the obtained poplar solid wood profile product has a medium layer (mineral oil anti-mildew modified layer) with a thickness of 0.7-1.4 mm.

Embodiment 3

[0031] Example 3: Select a bamboo reconstituted profile with a moisture content of 14-20% and a specification of 2400*260*40mm. After acetylation treatment under pressure at 130°C, before the surface temperature of the reconstituted bamboo profile drops, the bamboo The recombined profile is placed in a medium at a temperature of 10°C, and the immersion process is completed within 3 minutes. The medium is heat transfer oil with flame retardant added at a ratio of 1:120 (1g of flame retardant per 120g of medium). The obtained surface layer of the finished bamboo recombined profile has a medium layer (heat-conducting oil flame-retardant modified layer) with a thickness of 0.8-1.8 mm.

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Abstract

The invention discloses a modification and cooling treatment method for a profile and discloses an oil-bath cooling treatment method for the profile. The method is characterized in that the profile at the first temperature is arranged in a medium at the second temperature; the first temperature ranges from 130 DEG C to 220 DEG C; the second temperature ranges from 10 DEG C to 35 DEG C; and the time from contact of the profile with the liquid surface of the medium to immersion in the medium is 2-10 min. The method has the characteristic of better surface performance of the profile.

Description

technical field [0001] The present application relates to a modification treatment method of profiles, in particular to a modified cooling treatment method of profiles. Background technique [0002] High-temperature impregnation treatment is a common treatment method in the field of wood and bamboo modification. The specific treatment methods include: high-temperature oil heat treatment, high-temperature and high-pressure acetylation treatment, etc. [0003] For example, Chinese patent 201510592039.1 discloses a bamboo oil heat dipping treatment process, which includes the following process steps: (1) drying step, drying the bamboo to a moisture content of 25-30%; (2) oil immersion step, drying the dried bamboo The temperature is 120-260 ℃ oil hot dipping treatment, the treatment time is 1-7h; (3) Automatic oil absorption step: unload the bamboo material, the oil attached to the surface of the bamboo material is automatically sucked into the material, specifically, the p...

Claims

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Application Information

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IPC IPC(8): B27K5/00B27K3/02
CPCB27K5/00B27K3/025B27K2240/20B27K2240/30
Inventor 宋剑刚刘福清孙芳利张晓春
Owner ZHEJIANG YONGYU FURNITURE CO LTD