CN105983332A - Remover for harmful organic matter on artificial sheet material and preparation method thereof - Google Patents
Remover for harmful organic matter on artificial sheet material and preparation method thereof Download PDFInfo
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- CN105983332A CN105983332A CN201510062641.4A CN201510062641A CN105983332A CN 105983332 A CN105983332 A CN 105983332A CN 201510062641 A CN201510062641 A CN 201510062641A CN 105983332 A CN105983332 A CN 105983332A
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Abstract
The invention relates to a remover for a harmful organic matter on an artificial sheet material and a preparation method thereof. The remover comprises the following raw materials in parts by weight: 100 parts of fine diatomite, 10 parts of sodium pyrosulfite, 0.5 parts of nano-level titanium dioxide, 1 part of kaolin, and 0.1 parts of silver nitrate. The remover solves the problem that the artificial sheet material releases harmful substances such as formaldehyde due to an adhesive from the root causes, can increase the application amount of the artificial sheet material, increases the utilization rate of the timber processing scrap, saves the energy, reduces the deforestation, reduces indoor air pollution, and greatly reduces the hidden trouble of the interior decoration to human health.
Description
Technical field
The present invention relates to a kind of for artificial board release harmful organic substance remover and preparation method thereof.
Technical background
Since the nineties in 20th century, room air pollution healthhazard becomes one of environmental problem of national governments and public attention, and wherein Formaldehyde is especially prominent.Formaldehyde is to have more highly toxic material, is in second on China's toxic chemical priority acccess control list.By universally acknowledged for allergen, it it is one of potential strong mutagen.It is defined as suspicious carcinogenic and teratogen by World Health Organization (WHO).There are some researches show: formaldehyde has strong carcinogenic and tumor promotion.
Formaldehyde is the primary raw material producing and improving binding agent bonding intensity during sheet material, various artificial boards (such as particieboard, fibre board, core-board, lumber core, medium-density plate, plywood etc.) the most in the market all use the Lauxite using formaldehyde as main component can constantly discharge as binding agent, therefore free formaldehyde.It may be said that wood-based plate and Hepplewhite thereof are the important polluter of formaldehyde in indoor air.
Formaldehyde is not only originated extensively, and the phase that discharges in sheet material is the longest, finds according to the study, there is peak value after finishing completes 3 days in concentration of formaldehyde, keeps higher concentration, be gradually reduced later in 7 months, after about 5 years, ability is the most identical with the concentration of formaldehyde of non-decorated house, and the highest release phase was up to 15 years.
Being broadly divided into two aspects for controlling the research of indoor formaldehyde gas harm, one is the production channel controlling formaldehyde, and two is to administer formaldehyde gas free in air.
For principle, being controlled polluter is method best, that effect a permanent cure.But result is the most not fully up to expectations, range of application is narrow, inefficiency.
The present invention has filled up the vacancy of the watershed management to harmful gas especially formaldehyde, and after testing, burst size of methanal only has 0.02mg/100g (standard-required is 9mg/100g) to the beaver board plate produced after the application that puts goods on the market, less than standard
99.78%.While removing the harmful substances such as formaldehyde, the most do not affect the bonding intensity of binding agent, secondly do not affect the indexs such as the density of sheet material, moisture content, internal bond strength, surface bonding strength, MOR.
Summary of the invention
It is an object of the invention to provide a kind of solve in root artificial board due to binding agent the product of the harmful substance such as release formaldehyde；Another object of the present invention also resides in the preparation method providing this product.
The object of the present invention is achieved like this, and the product of the present invention is made up of the raw material of following parts by weight proportioning:
| Essence kieselguhr | 100 parts |
| Sodium pyrosulfite | 10 parts |
| Nano titanium dioxide | 0.5 part |
| Kaolin | 1 part |
| Silver nitrate | 0.1 part |
The diatomaceous preparation process of essence is as follows:
The diatomite original soil that Ma'an Mountain of Jiang Changbai county diatomite original ore is produced in pulverizer with under the rotating speed of below 10000r/min pulverize 2s, original soil after pulverizing is placed in airflow dryer, under the air-flows of 150 DEG C promote, with the speed of the 15m/s caliber by 50m length, the material after drying passes sequentially through gas flow sizing machine, swirl separator, pulse dust collector select the material of qualified particle diameter.The said equipment rotating speed is all at below 2000r/min, and the particle diameter that material is qualified can be by the standard screen of 150 mesh.
Material qualified for particle diameter is placed in rotary kiln, 45min is calcined at a temperature of 100～1500 DEG C, in calcination process, material is purified and is activated, the rotating speed pulverizing 2s with below 10000r/min it is placed in pulverizer by purifying the material activated, the material of qualified particle diameter chosen again under the rotating speed of below 2000r/min by material after pulverizing through gas flow sizing machine, swirl separator, pulse dust collector, the qualified particle diameter of material can i.e. obtain the kieselguhr after Purification by activation in raw material by the standard screen of 325 mesh.
Product preparation method is as follows:
Silver nitrate, with the concentration chemical medicine of 10%, is configured to solution
The kieselguhr of said ratio, sodium pyrosulfite, titanium dioxide, Kaolin, silver nitrate solution are placed in double spiral agitator, stir 20min with the rotating speed of below 1000r/min so that pack after raw material mix homogeneously, warehouse-in.Get product.
Main material performance of the present invention is as follows:
Kieselguhr: diatomaceous being noteworthy characterized by has special microcellular structure, specific surface area is relatively big, and specific surface area size directly affects the size of its absorbability.Purified silicon diatomaceous earth, not only effectively removes contained most of impurity and active substance, and has obtained more rich internal pore structure, and specific surface area significantly increases, and absorbability significantly improves.
After the fired purification of kieselguhr, available SiO2Content reaches the smart kieselguhr of more than 90%.After measured, essence diatomaceous adsorption isothermal curve shape such as anti-" S ", it it is typical IIth type adsorption isotherm, it forms monolayer adsorption about formaldehyde equilibrium concentration 1mg/L, along with the increase of equilibrium concentration gradually produces multilayer adsorption, when equilibrium concentration increases to certain value, adsorbance steeply rises again, this is because essence kieselguhr aperture is bigger, when concentration is higher, formaldehyde is after within it hole surface completes absorption monolayer, still leave space, formaldehyde molecule goes successively to endoporus, it is adsorbed in the surface of ground floor formaldehyde adsorption, condense at endoporus.
Sulphite and methanol carry out additive reaction and generate carboxaldehyde radicals bisulphate sodium salt, process further and can obtain carboxaldehyde radicals sulphoxylic acid sodium salt, and through test determination, sulphite purifying formaldehyde is more stable, before the sulphite in system is not totally consumed, purification efficiency change is little, does not affects purification efficiency with the changes of contents of sulphite.
A small amount of nanoscale TiO that this product adds2, i.e. photocatalyst, is a kind of photosemiconductor material with photo-catalysis function.Under the irradiation of light, similar photosynthetic light-catalyzed reaction can be produced, produce the extremely strong free hydroxy of oxidability and active oxygen, there is the strongest photoredox function, the various organic compound of oxidable decomposition and part inorganic matter, resolve into free of contamination water and carbon dioxide organic pollution.
Additionally, in Kaolin rich in Al2O3Use as catalyst and can make the organic compound generation redox reaction such as formaldehyde, make Organic substance deep oxidation generate carbon dioxide and water.
A small amount of silver nitrate solution that the present invention adds can play the effect of sterilization, mildew-resistant.
The problem that the present invention fundamentally solves artificial board release harmful organic substance, decomposing removal harmful organic substance by modes such as absorption, chemical reaction decomposition, illumination, catalysis, the present invention will not produce impact to other physical and chemical indexs of sheet material and adhesive viscosities.
The present invention solves the pollution problem of artificial board, it is possible to increase the usage amount of artificial board, improves the utilization rate of timber processing leftover pieces, save the energy, reduce the felling to forest, reduce room air pollution, interior decoration potential safety hazard to human health is greatly reduced.
Detailed description of the invention
nullThe diatomite original soil that original soil ore deposit, saddle mountain village, embodiment 1: Jiang Changbai county produces pulverizes about 2s at the pulverizer of below 10000r/min，In airflow dryer，Transmitted the caliber of 50m length with the speed of 15m/s by the air-flows of 150 DEG C，Pass sequentially through gas flow sizing machine again、Swirl separator、Pulse dust collector selects particle diameter with the rotating speed of below 2000r/min can be by the material of 150 mesh standard sieves，The material of qualified particle diameter is placed in rotary kiln，45min is calcined at a temperature of 100 ~ 1500 DEG C，Material after calcining is placed in pulverizer pulverizing，About 2s is pulverized with the rotating speed of below 10000r/min，Material after pulverizing again is placed in pneumatic separation device，Pass sequentially through gas flow sizing machine、Swirl separator、Pulse dust collector selects particle diameter with the rotating speed of below 2000r/min can be by the smart kieselguhr of 325 mesh standard sieves.
Smart kieselguhr above step prepared takes 100 parts, sodium pyrosulfite takes 10 parts, titanium dioxide takes 0.5 part, and Kaolin takes 1 part, and silver nitrate takes 0.1 part and is melted into the solution that concentration is 10%, it is placed in double spiral agitator, 20min is stirred so that material mix homogeneously, packaging with the rotating speed of below 1000r/min, warehouse-in, obtains product.
Taking quality is synthetic plate wood flour quality less than the 20% of product of the present invention, uniformly mixing is with in wood flour, prepares sheet material.
Example 2: product preparation method takes quality is bonding glue material quality the 5% ~ 50% of product of the present invention with example 1 is identical, uniformly mixes, prepares sheet material.
The content of formaldehyde that records of beaver board prepared after adding product of the present invention only has 0.02mg/100g, and substandard 99.78%, and do not affect the indexs such as timber intensity, density, adhesive viscosities.
Claims (1)
1. an artificial board harmful organic substance remover, it is characterised in that: this organic matter removal agent is made up of the raw material of following parts by weight proportioning:
100 parts of kieselguhr of essence
Sodium pyrosulfite 10 parts
Nano titanium dioxide 0.5 part
Kaolin 1 part
Silver nitrate 0.1 part
nullThe diatomite original soil that original soil ore deposit, saddle mountain village, Jiang Changbai county produces pulverizes about 2s at the pulverizer of below 10000r/min，In airflow dryer，Transmitted the caliber of 50m length with the speed of 15m/s by the air-flows of 150 DEG C，Pass sequentially through gas flow sizing machine again、Swirl separator、Pulse dust collector selects particle diameter with the rotating speed of below 2000r/min can be by the material of 150 mesh standard sieves，The material of qualified particle diameter is placed in rotary kiln，45min is calcined at a temperature of 100～1500 DEG C，Material after calcining is placed in pulverizer pulverizing，About 2s is pulverized with the rotating speed of below 10000r/min，Material after pulverizing again is placed in pneumatic separation device，Pass sequentially through gas flow sizing machine、Swirl separator、Pulse dust collector selects particle diameter with the rotating speed of below 2000r/min can be by the smart kieselguhr of 325 mesh standard sieves；
Smart kieselguhr above step prepared takes 100 parts, sodium pyrosulfite takes 10 parts, titanium dioxide takes 0.5 part, and Kaolin takes 1 part, and silver nitrate takes 0.1 part and is melted into the solution that concentration is 10%, it is placed in double spiral agitator, 20min is stirred so that material mix homogeneously, packaging with the rotating speed of below 1000r/min, warehouse-in, obtains product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510062641.4A CN105983332A (en) | 2015-02-06 | 2015-02-06 | Remover for harmful organic matter on artificial sheet material and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510062641.4A CN105983332A (en) | 2015-02-06 | 2015-02-06 | Remover for harmful organic matter on artificial sheet material and preparation method thereof |
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| CN105983332A true CN105983332A (en) | 2016-10-05 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007004507A1 (en) * | 2005-07-06 | 2007-01-11 | Ipposha Oil Industries Co., Ltd. | Aldehyde capture material and process for production of plywood with the same |
| CN101456698A (en) * | 2008-10-24 | 2009-06-17 | 北京崇高纳米科技有限公司 | Rapid forming high intensity and high functional diatomite composition and method for making the same |
| CN101804338A (en) * | 2009-05-19 | 2010-08-18 | 王秀宝 | Process for producing nano titanium dioxide/diatomite composite photocatalytic material |
| CN102532970A (en) * | 2010-12-14 | 2012-07-04 | 徐卉 | Antibacterial paint containing nano silver and application thereof in furniture field |
| CN103864395A (en) * | 2014-01-10 | 2014-06-18 | 长春市蓝薇硅藻泥有限公司 | Nanometer compound type anti-microbial diatom ooze |
-
2015
- 2015-02-06 CN CN201510062641.4A patent/CN105983332A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007004507A1 (en) * | 2005-07-06 | 2007-01-11 | Ipposha Oil Industries Co., Ltd. | Aldehyde capture material and process for production of plywood with the same |
| CN101456698A (en) * | 2008-10-24 | 2009-06-17 | 北京崇高纳米科技有限公司 | Rapid forming high intensity and high functional diatomite composition and method for making the same |
| CN101804338A (en) * | 2009-05-19 | 2010-08-18 | 王秀宝 | Process for producing nano titanium dioxide/diatomite composite photocatalytic material |
| CN102532970A (en) * | 2010-12-14 | 2012-07-04 | 徐卉 | Antibacterial paint containing nano silver and application thereof in furniture field |
| CN103864395A (en) * | 2014-01-10 | 2014-06-18 | 长春市蓝薇硅藻泥有限公司 | Nanometer compound type anti-microbial diatom ooze |
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Application publication date: 20161005 |
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