CN1299897C - Method for mfg. nano self-cleaning type wood composite material - Google Patents
Method for mfg. nano self-cleaning type wood composite material Download PDFInfo
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- CN1299897C CN1299897C CNB2005100410100A CN200510041010A CN1299897C CN 1299897 C CN1299897 C CN 1299897C CN B2005100410100 A CNB2005100410100 A CN B2005100410100A CN 200510041010 A CN200510041010 A CN 200510041010A CN 1299897 C CN1299897 C CN 1299897C
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- cleaning
- impregnated paper
- composite material
- nano self
- self
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- Dry Formation Of Fiberboard And The Like (AREA)
- Chemical And Physical Treatments For Wood And The Like (AREA)
Abstract
The present invention relates to a method for preparing nanometer self-cleaning wood composite material, which belongs to the technical field of man-made boards and composite material. The method is characterized in that the method comprises the following steps: (1) preparing nanometer self-cleaning facing material: a proper quantity of anatase type nanometer solid powder TiO2 and resin are uniformly prepared according to the weight proportion of 1:2 to 3, the mixture of the solid powder TiO2 and the resin is uniformly coated on impregnated paper, the coated impregnated paper is hung outside a room to be air-dried until the impregnated paper does not stick hands, the air-dried impregnated paper is put in a baking oven of 60 to 80DEGC to be baked for 5 to 8 minutes, and the baked impregnated paper is taken out to be preserved; (2) a facing process of the nanometer self-cleaning facing material: both sides of a plain board of a man-made board are coated and bonded with the nanometer self-cleaning facing material, wherein the facing temperature is from 135 to 150 DEG C, the heat pressing time is from 6 to 15 minutes, and the pressure is from 1.4 to 2.0MPa.
Description
Technical field
The invention belongs to wood-based plate and technical field of composite materials, relate to the manufacture method of nano self-cleaning type wood composite material.
Background technology
In recent years, utilize nano-TiO
2, conductor photocatalysis such as ZnO is eliminated and degradation of contaminant becomes an active research direction.TiO
2Has stable, the indissoluble, nontoxic of chemical property as anti-biotic material, characteristics such as antibiotic and sterilizing power are strong and have the mildew-resistant effect, and application cost is low can most organic pollution of oxidation and part inorganic pollution, it is carried out photocatalytic degradation, finally generate nonpoisonous and tasteless CO
2, H
2O and some simple inorganic matters.
Formaldehyde is more typical indoor environmental pollution thing, it is by the multiple indoor finishing material, as furniture, paint, wallpaper, plastic floor, chemical fibre carpet, door and window etc., all might be to indoor release formaldehyde, especially now artificial board generally uses Lauxite etc. can discharge the adhesive of formaldehyde, sustainable several years of release formaldehyde in indoor environment.Can cause the DNA-protein cross, and and DNA in conjunction with forming adduct, hide in the hiding in carcinogenic danger, the grievous injury mankind's is healthy.
Summary of the invention
The purpose of this invention is to provide a kind of self-cleaning characteristic of utilizing nano-photocatalyst, be manufactured on and have degraded indoor formaldehyde, the method for the composite wooden material of air purification function under ultraviolet light or the dayligth effect.
Purpose of the present invention can realize by following manner:
The manufacture method of nano self-cleaning type wood composite material is characterized in that may further comprise the steps:
(1) Nano self-cleaning surface lining preparation: with an amount of dichloride in anatase type pressed powder TiO
2(0.005～0.03g/cm
2) and resin (phenolic resins or melmac, decide on the impregnated paper kind) 1: 2 by weight～3 ratios allotments evenly, evenly brushing hangs over it outdoor air-dry to tack-free on impregnated paper, put it into 60～80 ℃ of baking ovens again, toast to take out after 5～8 minutes and preserve;
(2) Nano self-cleaning surface lining surfacing process: wood-based plate (glued board, particieboard or medium density fibre board (MDF) plate) plain plate two sides is posted the Nano self-cleaning surface lining, 135～150 ℃ of veneer temperature, hot pressing time 6～15min, pressure 1.4～2.0Mpa (deciding) on surface lining with by the pasting board material category.
Advantage of the present invention:
(1) production technology is simple, need not to change the production technology of original veneer composite wooden material;
(2) to fall the aldehyde effect remarkable for nano self-cleaning type wood composite material, and as long as composite material surface does not does not wear and tear, this self-cleaning effect has permanent.
Description of drawings
Fig. 1 is the self-cleaning design sketch of nanometer composite wooden material of the present invention.
The tool present embodiment
Embodiment 1:
With 0.03g/cm
2Dichloride in anatase type pressed powder TiO
2With phenolic resins by weight the allotment of 1: 2 ratio evenly, evenly brushing hangs over it and outdoorly air-dryly puts it into 80 ℃ of baking ovens again to tack-free on resin impregnating paper, toast and takes out preservation after 6 minutes.
As adhesive, suppress wooden flake board with urea-formaldehyde resin adhesive (free formaldehyde content is 1.01%) by following technological parameter:
Particieboard specification: 50 * 50 * 1cm
Particieboard unit weight: 0.65g/cm
3
Resin added: 10%
Hot pressing temperature: 160 ℃
Hot pressing pressure: 3MPa
Hot pressing time: 0.6min/mm thickness of slab
Cut out repair into good slab taking-up, sanding is carried out on two surfaces, remove pre-hardening thickness with abrasive paper for wood.Selecting the veneer temperature is 135 ℃, time 6min, pressure 1.4MPa.
Two of particieboards behind the veneer are positioned in the airtight container, through after a while, allow the interior formaldehyde amount of closed box reach a stationary value, open the ultraviolet light on the case top, regularly measure the concentration of formaldehyde in the casing, obtain following result: Fig. 1 medium blue colo(u)r streak partly represents the particieboard behind the veneer is positioned over the situation of change of concentration of formaldehyde in the airtight container, and concentration of formaldehyde reaches stationary value 0.42ppm in the about 20 hours rear box.Red line partly represents to open the situation of change of the interior concentration of formaldehyde of ultraviolet light rear box on the case top, and after about 4 hours, the concentration of formaldehyde in the casing drops to 0.05pppm, and the rate of descent of concentration of formaldehyde reaches 88% in the casing.
Claims (2)
1, a kind of manufacture method of nano self-cleaning type wood composite material is characterized in that may further comprise the steps:
(1) Nano self-cleaning surface lining preparation: with an amount of dichloride in anatase type pressed powder TiO
2With the allotment of phenolic resins or melmac 1: 2 by weight～3 ratios evenly, evenly brushing hangs over it and outdoorly air-dryly puts it into 60～80 ℃ of baking ovens again to tack-free on impregnated paper, toast and takes out preservation after 5～8 minutes;
(2) Nano self-cleaning surface lining surfacing process: artificial laminin plate two sides is posted the Nano self-cleaning surface lining, 135～150 ℃ of veneer temperature, hot pressing time 6～15min, pressure 1.4～2.0Mpa.
2, the manufacture method of nano self-cleaning type wood composite material according to claim 1 is characterized in that dichloride in anatase type pressed powder TiO
2Adopt 0.005～0.03g/cm
2
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100410100A CN1299897C (en) | 2005-07-13 | 2005-07-13 | Method for mfg. nano self-cleaning type wood composite material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100410100A CN1299897C (en) | 2005-07-13 | 2005-07-13 | Method for mfg. nano self-cleaning type wood composite material |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1724256A CN1724256A (en) | 2006-01-25 |
| CN1299897C true CN1299897C (en) | 2007-02-14 |
Family
ID=35923947
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2005100410100A Expired - Fee Related CN1299897C (en) | 2005-07-13 | 2005-07-13 | Method for mfg. nano self-cleaning type wood composite material |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1299897C (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102152550A (en) * | 2010-12-13 | 2011-08-17 | 东北林业大学 | Method for preparing overlaid artificial board composite material of functional polymerizing monomer modified wooden veneer |
| CN102390068B (en) * | 2011-11-03 | 2013-12-25 | 福建农林大学 | Production method of modified bamboo veneer made of nanomaterials |
| CN106393387B (en) * | 2016-08-30 | 2019-05-17 | 中山乐宜嘉家居设备有限公司 | A kind of nano-photocatalyst wood-based plate processing equipment control system |
| CN106217515B (en) * | 2016-08-30 | 2019-05-14 | 乐宜嘉家居集团有限公司 | A kind of nano-photocatalyst artificial board processor |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001149448A (en) * | 1999-11-26 | 2001-06-05 | Mariko Kaneko | Method for cleaning internal air and cloth product for photocatalyst |
| CN2556247Y (en) * | 2002-05-16 | 2003-06-18 | 中国林业科学研究院木材工业研究所 | Antibiotic impregnated bond paper |
| CN2632207Y (en) * | 2003-07-16 | 2004-08-11 | 南京林业大学 | Nanometer composite floor |
| WO2005002727A1 (en) * | 2003-07-04 | 2005-01-13 | Kansai Technology Licensing Organization Co., Ltd. | Photocatalytically active nanoporous material and method for producing same |
-
2005
- 2005-07-13 CN CNB2005100410100A patent/CN1299897C/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001149448A (en) * | 1999-11-26 | 2001-06-05 | Mariko Kaneko | Method for cleaning internal air and cloth product for photocatalyst |
| CN2556247Y (en) * | 2002-05-16 | 2003-06-18 | 中国林业科学研究院木材工业研究所 | Antibiotic impregnated bond paper |
| WO2005002727A1 (en) * | 2003-07-04 | 2005-01-13 | Kansai Technology Licensing Organization Co., Ltd. | Photocatalytically active nanoporous material and method for producing same |
| CN2632207Y (en) * | 2003-07-16 | 2004-08-11 | 南京林业大学 | Nanometer composite floor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1724256A (en) | 2006-01-25 |
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Granted publication date: 20070214 Termination date: 20160713 |
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| CF01 | Termination of patent right due to non-payment of annual fee |