CN101319478A - Preparation method and application of composite paper based material with organic matter adsorption and degradation function - Google Patents
Preparation method and application of composite paper based material with organic matter adsorption and degradation function Download PDFInfo
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- CN101319478A CN101319478A CNA2008100713179A CN200810071317A CN101319478A CN 101319478 A CN101319478 A CN 101319478A CN A2008100713179 A CNA2008100713179 A CN A2008100713179A CN 200810071317 A CN200810071317 A CN 200810071317A CN 101319478 A CN101319478 A CN 101319478A
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Abstract
The invention relates to a method for preparing a composite paper base material with functions of adsorbing and degrading organic matters, and an application of the composite paper base material. The material consists of 30 to 50 percent of metal oxide powder, 15 to 35 percent of absorbent powder, 0 to 25 percent of inorganic fiber, 10 to 30 percent of paper pulp and 0.5 to 5 percent of dual retention aid. When the material is prepared, the metal oxide powder, the absorbent powder, the inorganic fiber and the paper pulp are mixed into a suspension liquid with the concentration of between 2 to 8 percent, the suspension liquid is subjected to mediation for 5 to 30min, and added with the dual retention aid to dilute until the concentration is reduced down to 0.5 percent so as to prepare wet paper sheets; the paper sheets are subjected to pressing and drying to prepare the composite paper base material. The composite paper base material prepared is further processed into a paper component, and the paper component is placed in a low concentration volatile organic compound environment to realize continuous photocatalysis degradation. By utilizing the paper base material of the invention, the problems that the cost is high and the pulverization occurs due to the friction between granular materials when the zeolite is used as a carrier to prepare compound catalytic materials are resolved, and the paper base material can also adsorb low concentration volatile organic gases.
Description
Technical field
The present invention relates to a kind of preparation method with composite of photo-catalysis function, is a kind of composite paper based material with absorption and low concentration volatile organic matter degradation of preparation specifically, belongs to material science.
Background technology
Exist a large amount of low concentration volatile organic matter pollution sources in the space of people's live and work at present, pollute or the like as the volatile organic solvent of Shoes Factory's adhesive, the pernicious gas (formaldehyde, benzene) that interior decoration produces, the healthy of people in serious harm.In recent years, low concentration volatile organic matter is administered in metal oxide multiphase photocatalysis reactions such as application titanium dioxide has become an environmental area and a most active research direction of inorganic material science, but the engineering of large-scale commercial applications application or product are also rarely seen.This mainly can ascribe two reasons to: metal-oxide powder concretion technologies such as (1) titanium dioxide are unresolved.During metal-oxide powder photocatalytic degradation volatile organic matters such as titanium dioxide, easily cause problems such as stream pressure sharply loses in the reactor, light radiation is obstructed.Situation from literature search, relevant both at home and abroad zeolite, glass, monocrystalline silicon, the electro-conductive glass etc. of utilizing are the existing more report of preparing carriers metal oxide compound catalyze material, but the preparation cost height of these methods, still there is the problem that causes stream pressure loss, light radiation to be obstructed in granular composite in reactor, and also has friction between bulk material and the problem of powdered.(2) metal-oxide powder such as titanium dioxide is slow to the photocatalytic degradation speed of light-concentration volatile organic gas, mainly is because low concentration volatile organic matter is little in the concentration of titanium dioxide powder surface.
The nearest Wu Zong Hua of Fujian Normal University etc. has developed a kind of new paper technology (Chen Wanchun, Chen Najie, Lu Yudong, Wu Zonghua, papermaking chemical product, 2006,18 (2), 45; Chen Wanchun, Chen Najie, Lu Yudong, Wu Zonghua, paper science and technology, 2006,25 (1), 24; Chen Najie, Chen Shaoping, Lu Yudong, Chen Wanchun, Wu Zonghua, nonmetallic ore, 2006,29 (5), 6), this technology can prepare the function combination board that inorganic content reaches more than 90%, inorganic particle reaches the high inorganic particle content more than 60%.Use this technology, invented a kind of method with metal oxide-adsorbent combination board photocatalytic degradation low concentration volatile organic matter.
Summary of the invention
The purpose of this invention is to provide a kind of composite paper based material that constitutes by the metal-oxide powder with photo-catalysis function, adsorbent powder, inorfil and paper pulp and to the application of the photocatalytic degradation of low concentration volatile organic matter.
For achieving the above object, concrete technical scheme of the present invention is:
1, material is formed
Metal-oxide powder 30～50%, adsorbent powder 15～35%, inorfil 0～25%, paper pulp 10～30%, binary retention agent 0.5～5%.Described percentage is material oven dry weight percentage.
2, material preparation
Metal-oxide powder, inorfil, adsorbent powder and paper pulp are added water be made into 2～8% suspension, pour beaker into after discongesting 5～30min with fluffer; Add cation superpolymer while stirring, add anion-polyacrylamide again behind the stirring 3min, add water suspension is diluted to 0.5%, copy to get at page and copy the l Water Paper plate on the device.L Water Paper plate squeezing back 105 ℃～125 ℃ oven dry down, is promptly obtained composite paper based material of the present invention.
3, material is used
The composite paper based material for preparing further is processed into the various paper members of cellular or tiny bulk, place the low concentration volatile organic matter environment that has lamp or artificial ultraviolet source, can realize the absorption and the continuous light catalytic degradation of low concentration volatile organic matter.
Metal-oxide powder of the present invention is a kind of in titanium dioxide, zinc oxide or the cupric oxide powder, or the mixture of its arbitrary proportion.
Adsorbent powder of the present invention is a kind of of zeolite, diatomite, active carbon or bamboo charcoal, or the mixture of its arbitrary proportion.
Inorfil of the present invention is a kind of of ceramic fibre or glass fibre, or its arbitrary proportion mixture.
Paper pulp of the present invention is a kind of of needlebush chemical pulp, leaf wood chemical pulp or straw pulp, or the mixture of its arbitrary proportion.
Binary retention agent of the present invention is made of anion-polyacrylamide and cationic high polymer, and wherein cationic high polymer is a kind of of PDDA, cationic starch or polyvinylamine or its mixture.
Page of the present invention is copied and got device is that pattern is copied and got a kind of in device, cylinder machine or the low speed fourdrinier.
A large amount of inorganic particles such as calcium carbonate, titanium dioxide that use in the paper industry, but, both caused raw material to waste in a large number because the inorganic particle retention is low, polluted water quality again, increased burden to water treatment, so the maximum consumption of inorganic particle is no more than 30%.Inorganic particle content can reach more than 60% in the combination board provided by the invention, the retention of inorganic particle can reach more than 90% during manufacturing, for the development and application of the paper with photocatalysis, absorption, insulation or fire-proof function (plate) that develops rapidly in recent ten years provides a kind of high efficiency, low cost preparation method, have a extensive future.
Utilize member that composite paper based material provided by the invention further is processed into to efficiently solve problems such as metal-oxide powder such as titanium dioxide causes that light radiation is obstructed, also solved with zeolite, glass, monocrystalline silicon, electro-conductive glass etc. between the preparation cost height of the metal oxide compound catalyze materials such as titanium dioxide of preparing carriers, bulk material because of the problem of friction powdered.It has suction-operated to the light-concentration volatile organic gas in addition, significantly increase the concentration of organic gas in the titanium dioxide powder surface, the photocatalytic degradation speed that improves has realized the large-scale commercial applications application of the continuous light catalytic degradation of low concentration volatile organic matter.
The specific embodiment
Below in conjunction with specific embodiment technical scheme of the present invention is further described:
Embodiment 1:
Get the Eucalyptus chemical pulp of 0.8 gram, the ceramic fibres of 2.0 grams, the anatase titanium dioxides of 3.8 grams and the zeolites of 1.0 grams, add water and be made into 5% suspension, pour beaker into after discongesting 10min with fluffer; The PDDA that adds 0.08 gram while stirring adds 0.12 anion-polyacrylamide that restrains behind the stirring and adsorbing 3min, add water suspension is diluted to 0.5%, copies to get at pattern and copies the l Water Paper plate on the device.L Water Paper plate squeezing back 105 ℃ of oven dry down, is promptly obtained composite paper based material of the present invention.
Embodiment 2:
Get the Straw Pulp of 0.6 gram and the mixed pulp of the 0.4 masson pine chemical pulp that restrains, the ceramic fibres of 3.0 grams, anatase titanium dioxides and the mixed powder of 1.0 rutile titanium dioxides that restrain, the zeolite of 1.0 grams and the mixed adsorbent of 0.6 active carbon that restrains of 3.0 grams, add water and be made into 8% suspension, pour beaker into after discongesting 15min with fluffer; The PDDA that adds 0.15 gram while stirring adds 0.25 anion-polyacrylamide that restrains behind the stirring and adsorbing 3min, add water suspension is diluted to 0.5%, copies to get at pattern and copies the l Water Paper plate on the device.L Water Paper plate squeezing back 115 ℃ of oven dry down, is promptly obtained composite paper based material of the present invention.
Embodiment 3:
Get the mixture of mixed pulp, 1.5 ceramic fibres that restrain and the 1.5 gram glass fibres of the dragon spruce chemical pulp of 0.6 Eucalyptus chemical pulp that restrains and 0.4 gram, anatase titanium dioxides and the mixed powder of 1.0 cupric oxide that restrain, the zeolites of 1.0 grams and the mixed adsorbent of 0.5 bamboo charcoal that restrains of 3.0 grams, add water and be made into 2% suspension, pour beaker into after discongesting 20min with fluffer; Add the PDDA of 0.1 gram and the cationic starch of 0.15 gram while stirring, add the anion-polyacrylamide of 0.25 gram behind the stirring 3min, add water suspension is diluted to 0.5%, copy to get at pattern and copy the l Water Paper plate on the device.L Water Paper plate squeezing back 115 ℃ of oven dry down, is promptly obtained composite paper based material of the present invention.
Embodiment 4:
Get the masson pine chemical pulps of 1.5 grams, the glass fibres of 2.0 grams, the zinc oxide of 4.0 grams and the active carbons of 2.2 grams, add water and be made into 2% suspension, pour beaker into after discongesting 20min with fluffer; The PDDA that adds 0.1 gram while stirring adds 0.2 anion-polyacrylamide that restrains behind the stirring 3min, add water suspension is diluted to 0.5%, copies to get at pattern and copies the l Water Paper plate on the device.The l Water Paper plate is folded into corrugated, and after fixing with sodium silicate solution, 500 ℃ of following calcination 30min can get cellular member after the typing.It is 0.5mW/cm that member is placed ultraviolet ray intensity
2Environment in, every square metre the combination board per hour concentration of degradable 0.5 gram is the toluene gas of 10 micrograms per litre.
Embodiment 5:
Get the Straw Pulp of 1.5 grams and 1.0 grams and land the ceramic fibres of loose chemical pulp, 1.1 grams, the cupric oxide of 4.0 grams and the diatomite of 3.2 grams, add water and be made into 3% suspension, pour beaker into after discongesting 30min with fluffer; The polyvinylamine that adds 0.05 gram while stirring adds 0.15 anion-polyacrylamide that restrains behind the stirring and adsorbing 3min, add water suspension is diluted to 0.5%, copies to get to copy on the device at pattern and gets the l Water Paper plate.The l Water Paper plate is folded into corrugated, and after fixing with alumina sol, 500 ℃ of following calcination 30min can get cellular member after the typing.It is 0.5mW/cm that member is placed ultraviolet ray intensity
2In the environment, every square metre the combination board per hour concentration of degradable 1.5 grams is the formaldehyde gas of 20 micrograms per litre.
Embodiment 6:
Get reed pulp and the mixed pulp of 2.0 gram masson pine chemical pulps, the titanium dioxide of 1.8 grams and mixed powder, 2.1 zeolites that restrain and the diatomaceous mixed adsorbent powder of 2.1 grams of 1.8 zinc oxide that restrain of 2.0 grams, add water and be made into 2% suspension, pour beaker into after discongesting 5min with fluffer; The cationic starch that adds 0.45 gram while stirring adds 0.15 anion-polyacrylamide that restrains behind the stirring 3min, add water suspension is diluted to 0.5%, copies to get at pattern and copies the l Water Paper plate on the device.The l Water Paper plate is folded into corrugated, after fixing with alumina sol, 500 ℃ of following calcination 30min, the cellular member in typing back.It is 0.5mW/cm that member is placed ultraviolet ray intensity
2The environment of cardboard, every square metre the combination board per hour concentration of degradable 1.7 grams are the pentane gas of 20 micrograms per litre.
Claims (7)
1, a kind of preparation method and application thereof with composite paper based material of absorption and degradation of organic substances function is characterized in that:
Form
Metal-oxide powder 30～50%, adsorbent powder 15～35%, inorfil 0～25%, paper pulp 10～30%, binary retention agent 0.5～5%, described percentage are material oven dry weight percentage;
Preparation
It is 2～8% suspension that metal-oxide powder, adsorbent powder, inorfil and paper pulp are mixed with concentration expressed in percentage by weight, discongests 5～30min with fluffer; Adding the suspension dilution that water will have been prepared after the binary retention agent again is 0.5%, forms the l Water Paper plate; After squeezing,, promptly obtain composite paper based material in oven dry;
Use
The composite paper based material for preparing is placed the low concentration volatile organic matter environment, can realize organic absorption and continuous light catalytic degradation.
2. preparation method and the application thereof with composite paper based material of absorption and degradation of organic substances function according to claim 1 is characterized in that described metal-oxide powder is titanium dioxide, zinc oxide or cupric oxide powder, or its mixture.
3, preparation method and the application thereof with composite paper based material of absorption and degradation of organic substances function according to claim 1 is characterized in that described adsorbent powder is zeolite, diatomite, active carbon or bamboo charcoal, or its mixture.
4, preparation method and the application thereof with composite paper based material of absorption and degradation of organic substances function according to claim 1 is characterized in that described inorfil is ceramic fibre or glass fibre, or its mixture.
5, preparation method and the application thereof with composite paper based material of absorption and degradation of organic substances function according to claim 1, it is characterized in that described paper pulp is a kind of of needlebush chemical pulp, leaf wood chemical pulp or straw pulp, or the mixture of its arbitrary proportion.
6, preparation method and the application thereof with composite paper based material of absorption and degradation of organic substances function according to claim 1, it is characterized in that described binary retention agent is the binary retention agent that anion-polyacrylamide and cationic high polymer constitute, wherein cationic high polymer is PDDA, cationic starch or polyvinylamine, or its mixture.
7, a kind of preparation method and application thereof with composite paper based material of absorption and degradation of organic substances function, it is characterized in that the composite paper based material that will prepare further is processed into the paper member of cellular or tiny bulk, place the environment of the low concentration volatile organic matter that has lamp or artificial ultraviolet source, can realize continuous adsorption and photocatalytic degradation.
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| CN101831835A (en) * | 2010-05-01 | 2010-09-15 | 陈美章 | Stone papermaking method |
| CN101649575B (en) * | 2009-09-10 | 2011-01-05 | 天津商业大学 | Ceramic fiber furnish composite paper and preparation method thereof |
| CN102199903A (en) * | 2011-04-13 | 2011-09-28 | 北京联飞翔科技股份有限公司 | Filter paper of energy-saving and environment-friendly filter and making method thereof |
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| CN102834565A (en) * | 2010-04-07 | 2012-12-19 | 赫尔克里士公司 | Stable and aqueous compositions of polyvinylamines with catlonic starch, and utility for papermaking |
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