CN107570156A - A kind of catalyzing hydrogen peroxide prepares catalyst of oxygen and preparation method thereof - Google Patents
A kind of catalyzing hydrogen peroxide prepares catalyst of oxygen and preparation method thereof Download PDFInfo
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Abstract
Catalyst of oxygen and preparation method thereof is prepared the present invention relates to a kind of catalyzing hydrogen peroxide.A kind of catalyzing hydrogen peroxide prepares the catalyst of oxygen, is formed by being prepared for catalyzing hydrogen peroxide in the nano-catalytic particle insertion foamed substrate of oxygen.Preparation method：First, the main material for preparing foamed substrate is weighed, nano-catalytic particle is added thereto, mechanical agitation, nano-catalytic particle is fully suspended；2nd, by foam theory, continue to add various auxiliary materials into main material, carry out foamed substrate preparation；3rd, foamed, after the completion of foaming, cut into required shape, that is, complete to prepare.A kind of catalyzing hydrogen peroxide of the present invention prepares catalyst of oxygen and preparation method thereof, and nanocatalyst particles are embedded in foamed substrate by foam theory, improve catalyst stability and reliability, overcome agglomeration, improve catalytic efficiency, be easy to reclaim, it is easy to process, it can recycle；Preparation method is simple, easy to operate, is easy to factory to mass produce.
Description
Technical field
The present invention relates to a kind of oxygen preparing technical field, and urging for oxygen is prepared more particularly to a kind of catalyzing hydrogen peroxide
Agent and preparation method thereof.
Background technology
The method of current oxygen processed is broadly divided into industrial oxygenerating and chemical oxygen generation.The raw material of industrial oxygenerating is air, and advantage is
Measure big and cheap.But the storage of oxygen, transport, using inconvenient.It is more difficult in remote mountain area transport, separately
Under some external particular surroundings as in patients home, the submarine of underwater navigation, diving operation, mine rescue carry huge, heavy
Steel cylinder is extremely inconvenient, and small-sized steel cylinder storage oxygen amount is small, and usage time is short.Due to inorganic peroxide oxygen content in chemical oxygen generation method
Discharge at most and easily, at present more using peroxide come oxygen processed.Hydrogen peroxide is material most basic in peroxide, and various countries
The chemical oxygen-producing agent that scientist recognizes earliest.Hydrogen peroxide has oxygen-producing amount, and larger (in 30% dilution, effective oxygen is
And lower-cost benefit 14.1%).Producing oxygen from hydrogen peroxide has cleanliness without any pollution, and energy-conservation, without heating, cost is low, reaction speed
Degree is easy to the advantages that control.
The method that hydrogen peroxide decomposes oxygen producing under the catalytic action of manganese dioxide is commonly used in laboratory, is used
Powdered manganese dioxide, when the particles sre larger, reaction speed is not ideal enough, also has some other catalyst to replace dioxy now
Change manganese, be also all single material catalysis, catalysed particulate is big, is unable to reach Nano grade.Simultaneously during the course of the reaction with hydrogen peroxide
Fully contact is not readily separated, and can not be reused；And the powdered oxygen that is vulnerable to impacts, reunion is produced, influences oxygen generation efficiency,
And catalyst is not easily recycled, increase oxygen cost processed.
The content of the invention
Catalyst of oxygen and preparation method thereof is prepared the invention provides a kind of catalyzing hydrogen peroxide, passes through foam theory
Nanocatalyst particles are embedded in foamed substrate, the stability and reliability of catalyst is improved, on the one hand adds and urge
The contact area of agent, on the one hand overcomes agglomeration, greatly improves catalytic efficiency, and is easy to reclaim, processing side
Just, can recycle.
A kind of catalyzing hydrogen peroxide prepares the catalyst of oxygen, and it is the nanometer by preparing oxygen for catalyzing hydrogen peroxide
Catalyst particle is embedded in foamed substrate and formed.
The foamed substrate full open aperture, quickly infiltrated into the hole of foamed substrate for hydrogen peroxide.
The nano-catalytic particle is embedded in foamed substrate by foam theory.
The nano-catalytic particle is alloy nano-powder；The alloy nano-powder is Nanoscale Iron, nano phase ag_2 o, received
A kind of or its kind of several mixture in any proportion in Miboplatin and Nanometer Copper.
The foamed substrate is polyurethane material.
The dosage of the nano-catalytic particle is the 0.01%-10% of foamed substrate quality.
Catalyst processing granulates, wire, strip or bulk.
A kind of catalyzing hydrogen peroxide prepares the preparation method of the catalyst of oxygen, and it is carried out according to the following steps：First, claim
The main material for preparing foamed substrate is taken, nano-catalytic particle is added thereto, mechanical agitation, makes nano-catalytic particle fully outstanding
It is floating；
2nd, by foam theory, continue to add various auxiliary materials into main material, carry out the preparation of foamed substrate；
3rd, foamed, after the completion of foaming, required shape is cut into using instrument, that is, complete to prepare.
The foamed substrate is polyurethane material；The preparation method of its catalyst, specifically carry out according to the following steps：
First, PPG is weighed, in the environment of 25-35 DEG C, nano-catalytic particle is added into PPG, is stirred to nanometer
Catalyst particle is fully dispersed and is suspended in PPG；
2nd, triethylene diamine solution and diethylene glycol are added into step 1, continues to stir；
3rd, stannous octoate and silicone oil are added into step 2, continues to stir；
4th, distilled water is added into step 3, continues to stir；
5th, in the environment of 25-35 DEG C, toluene di-isocyanate(TDI) is added into step 4, continues to stir, Ran Houjing
Put foaming；
6th, after the completion of foaming, baking oven is put into, at 70-90 DEG C, vacuum bakeout；Then, place at room temperature, obtain foaming material
Material, further according to the shape needed required for expanded material is processed into, that is, complete to prepare.
The dosage of the nano-catalytic particle is the 0.01%-10% of foamed substrate dosage；Each component in foamed substrate
Dosage be conventional amount used.
Advantages of the present invention：A kind of catalyzing hydrogen peroxide of the present invention prepares catalyst of oxygen and preparation method thereof, leads to
Cross foam theory nanocatalyst particles are embedded in foamed substrate, improve the stability and reliability of catalyst, a side
Face adds the contact area of catalyst, on the one hand overcomes agglomeration, greatly improves catalytic efficiency, and be easy to back
Receive, it is easy to process, it can recycle；Preparation method is simple, easy to operate, is easy to factory to mass produce.
Embodiment
In order to deepen the understanding of the present invention, the present invention is described in further detail below in conjunction with embodiment, the reality
Apply example to be only used for explaining the present invention, protection scope of the present invention is not formed and limited.
Embodiment one
The catalyzing hydrogen peroxide of the present embodiment prepares the catalyst of oxygen, is by nanometer iron powder particle and copper nanoparticle particle
It is embedded in what is formed in polyurethane foam material jointly.
Preparation method：First, weigh 100 grams of PPG to be put into beaker, under 25 DEG C of environment of temperature, add nanometer
Iron powder and copper nanoparticle, the addition of Nanoscale Iron powder add 150mg for every 100 grams of polyether solutions, and Nanometer Copper powder is every 100
Gram polyether solutions add 200mg, mechanical agitation 60 minutes, two kinds of nanometer powders is fully suspended；2nd, 0.06g triethylenes are added
Diamine solution and 0.12g diethylene glycols, mechanical agitation 15 minutes；3rd, 0.2g stannous octoates and 1.5g silicone oil, mechanical agitation are added
10 minutes；4th, 2.5g distilled water, mechanical agitation 30 seconds are added；5th, under 30 DEG C of environment of temperature, 32g toluene diisocynates are added
Ester mechanical agitation 15 seconds；6th, solution is quickly poured into square glass container and foamed；7th, after the completion of foaming, it is put into baking
Case, temperature：90 DEG C, vacuum bakeout 3 minutes；Place 24 hours at room temperature.
The catalyst that the catalyzing hydrogen peroxide of the present embodiment prepares oxygen can work at -10 DEG C -50 DEG C；Catalyst is cut
Being cut into the wide * height of long * is respectively：20mm*20mm*20mm bulk, under conditions of -10 DEG C, by the 3% of 10mL dioxygen water droplet
It is added in catalyst, the gas volume collected in 20 seconds is 110mL (production oxygen rate is account for theoretical value 99.9%).
Embodiment two
The catalyzing hydrogen peroxide of the present embodiment prepares the catalyst of oxygen, is by nanometer iron powder particle and Platinum Nanoparticles powder
It is embedded in what is formed in polyurethane foam material jointly.
Preparation method：First, weigh 100 grams of PPG to be put into beaker, under 25 DEG C of environment of temperature, add nanometer
Iron powder and nanometer platinum powder, the addition of Nanoscale Iron powder add 300mg for every 100 grams of polyether solutions, and Nanometer Copper powder is every 100
Gram polyether solutions add 400mg, mechanical agitation 60 minutes, two kinds of nanometer powders is fully suspended；2nd, 0.05g triethylenes are added
Diamine solution and 0.10g diethylene glycols, mechanical agitation 15 minutes；3rd, 0.25g stannous octoates are added and 1.6g silicone oil, machinery stirs
Mix 10 minutes；4th, 2.8g distilled water, mechanical agitation 30 seconds are added；5th, under 30 DEG C of environment of temperature, 38g toluene diisocyanates are added
Acid esters mechanical agitation 15 seconds；6th, solution is quickly poured into square glass container and foamed；7th, after the completion of foaming, it is put into baking
Case, temperature：90 DEG C, vacuum bakeout 3 minutes；Place 24 hours at room temperature.The square strip of cut growth.
The catalyst that the catalyzing hydrogen peroxide of the present embodiment prepares oxygen can work at -10 DEG C -50 DEG C；Catalyst is cut
Being cut into the wide * height of long * is respectively：20mm*20mm*20mm bulk, under conditions of 10 DEG C, by the 3% of 10mL dioxygen water droplet
It is added in catalyst, the gas volume collected in 10 seconds is 110mL (production oxygen rate is account for theoretical value 99.9%).
Embodiment three
The catalyzing hydrogen peroxide of the present embodiment prepares the catalyst of oxygen, is by copper nanoparticle particle and Platinum Nanoparticles powder
It is embedded in what is formed in polyurethane foam material jointly.
Preparation method：First, weigh 100 grams of PPG to be put into beaker, under 30 DEG C of environment of temperature, add nanometer
Copper and Platinum Nanoparticles powder, the addition of Nanometer Copper powder add 600mg for every 100 grams of polyether solutions, and Platinum Nanoparticles powder is every 100
Gram polyether solutions add 700mg, mechanical agitation 90 minutes, two kinds of nanometer powders is fully suspended；2nd, 0.05g triethylenes are added
Diamine solution and 0.10g diethylene glycols, mechanical agitation 30 minutes；3rd, 0.27g stannous octoates are added and 1.8g silicone oil, machinery stirs
Mix 10 minutes；4th, 3.2g distilled water, mechanical agitation 30 seconds are added；5th, under 30 DEG C of environment of temperature, 42g toluene diisocyanates are added
Acid esters mechanical agitation 15 seconds；6th, solution is quickly poured into square glass container and foamed；7th, after the completion of foaming, it is put into baking
Case, temperature：90 DEG C, vacuum bakeout 3 minutes；Place 24 hours at room temperature.
The catalyst that the catalyzing hydrogen peroxide of the present embodiment prepares oxygen can work at -10 DEG C -50 DEG C；Catalyst is cut
Being cut into the wide * height of long * is respectively：20mm*20mm*20mm bulk, under conditions of 20 DEG C, by the 3% of 10mL dioxygen water droplet
It is added in catalyst, the gas volume collected in 8 seconds is 110mL (production oxygen rate is account for theoretical value 99.9%).
Example IV
The catalyzing hydrogen peroxide of the present embodiment prepares the catalyst of oxygen, is by nanometer iron powder particle and nano oxidized silver powder
Particle is embedded in what is formed in polyurethane foam material jointly.
Preparation method：First, weigh 100 grams of PPG to be put into beaker, under 30 DEG C of environment of temperature, add nanometer
Iron and nano oxidized silver powder, the addition of Nanoscale Iron powder add 800mg, nano oxidized silver powder for every 100 grams of polyether solutions
End adds 1g for every 100 grams of polyether solutions, mechanical agitation 90 minutes, two kinds of nanometer powders is fully suspended；2nd, 0.1g tri- is added
Ethylene diamine solution and 0.1g diethylene glycols, mechanical agitation 30 minutes；3rd, 0.15g stannous octoates and 1.5g silicone oil, machinery are added
Stirring 10 minutes；4th, 3g distilled water, mechanical agitation 30 seconds are added；5th, under 30 DEG C of environment of temperature, 40g toluene diisocyanates are added
Acid esters mechanical agitation 15 seconds；6th, solution is quickly poured into square glass container and foamed；7th, after the completion of foaming, it is put into baking
Case, temperature：90 DEG C, vacuum bakeout 3 minutes；Place 24 hours at room temperature.
The catalyst that the catalyzing hydrogen peroxide of the present embodiment prepares oxygen can work at -10 DEG C -50 DEG C；Catalyst is cut
Being cut into the wide * height of long * is respectively：20mm*20mm*20mm bulk, under conditions of 30 DEG C, by the 3% of 10mL dioxygen water droplet
It is added in catalyst, the gas volume collected in 8 seconds is 110mL (production oxygen rate is account for theoretical value 99.9%).
Embodiment five
The catalyzing hydrogen peroxide of the present embodiment prepares the catalyst of oxygen, is by nanometer iron powder particle, Platinum Nanoparticles powder
It is embedded in what is formed in polyurethane foam material jointly with nano phase ag_2 o powder.
Preparation method：First, weigh 100 grams of PPG to be put into beaker, under 30 DEG C of environment of temperature, add nanometer
Iron, Platinum Nanoparticles and nano oxidized silver powder, the addition of Nanoscale Iron powder add 1g, nanometer platinum powder for every 100 grams of polyether solutions
End adds 1g for every 100 grams of polyether solutions, and nano oxidized silver powder is that every 100 grams of polyether solutions add 1g, and mechanical agitation 90 is divided
Clock, three kinds of nanometer powders are made fully to suspend；2nd, 0.08g triethylene diamines solution and 0.1g diethylene glycols, mechanical agitation 30 are added
Minute；3rd, 0.18g stannous octoates and 1g silicone oil, mechanical agitation 15 minutes are added；4th, 2.5g distilled water, mechanical agitation 30 are added
Second；5th, under 30 DEG C of environment of temperature, 35g toluene di-isocyanate(TDI)s mechanical agitation is added 15 seconds；6th, by the solution side of being quickly poured into
Foamed in shape glass container；7th, after the completion of foaming, baking oven, temperature are put into：90 DEG C, vacuum bakeout 3 minutes；Room temperature is transferred
Put 24 hours.
The catalyst that the catalyzing hydrogen peroxide of the present embodiment prepares oxygen can work at -10 DEG C -50 DEG C；Catalyst is cut
Being cut into the wide * height of long * is respectively：20mm*20mm*20mm bulk, under conditions of 40 DEG C, by the 3% of 10mL dioxygen water droplet
It is added in catalyst, (gas volume of collection is 110mL in 5 seconds (production oxygen rate is account for theoretical value 99.9%).
Embodiment six
The catalyzing hydrogen peroxide of the present embodiment prepares the catalyst of oxygen, be by nanometer iron powder particle, copper nanoparticle particle,
Platinum Nanoparticles powder and nano phase ag_2 o powder are embedded in what is formed in polyurethane foam material jointly.
Preparation method：First, weigh 100 grams of PPG to be put into beaker, under 30 DEG C of environment of temperature, add nanometer
Iron, Platinum Nanoparticles, Nanometer Copper and nano oxidized silver powder, the addition of Nanoscale Iron powder add 1g for every 100 grams of polyether solutions, received
Miboplatin powder is that every 100 grams of polyether solutions add 1g, and Nanometer Copper powder is that every 100 grams of polyether solutions add 1g, nano phase ag_2 o
Powder is that every 100 grams of polyether solutions add 1g, mechanical agitation 60-90 minutes, three kinds of nanometer powders is fully suspended；2nd, add
0.12g triethylene diamines solution and 0.12g diethylene glycols, mechanical agitation 30 minutes；3rd, 0.12g stannous octoates and 1.7g are added
Silicone oil, mechanical agitation 15 minutes；4th, 2.5g distilled water, mechanical agitation 40 seconds are added；5th, under 30 DEG C of environment of temperature, add
35g toluene di-isocyanate(TDI)s mechanical agitation 15 seconds；6th, solution is quickly poured into square glass container and foamed；7th, foam
After the completion of, it is put into baking oven, temperature：90 DEG C, vacuum bakeout 3 minutes.Place 24 hours at room temperature.
The catalyst that the catalyzing hydrogen peroxide of the present embodiment prepares oxygen can work at -10 DEG C -50 DEG C；Catalyst is cut
Being cut into the wide * height of long * is respectively：20mm*20mm*20mm bulk, under conditions of 50 DEG C, by the 3% of 10mL dioxygen water droplet
It is added in catalyst, the gas volume collected in 5 seconds is 110mL (production oxygen rate is account for theoretical value 99.9%).
The catalyzing hydrogen peroxide of above example prepares the catalyst of oxygen, has between nano-catalytic particle and foamed substrate
There is very strong adhesion, drastically increase the service life of nano-catalytic particle；The expanded material hole hole of generation is connected, low close
Degree, full open aperture, hydrogen peroxide can be penetrated into quickly inside foamed substrate, and contact is abundant, improves nano-catalytic particle and mistake
The contact area of hydrogen oxide, significantly reduces cost of material, improves the speed of oxygen processed；The speed and yield of oxygen processed are common
More than 100 times of manganese dioxide-catalyst, catalysis hydrogen peroxide is more thorough, and production oxygen rate reaches 99.9%；There is excellent thing simultaneously
Manage mechanical performance, elasticity is good, the features such as intensity is high, can according to be actually needed be processed into it is variously-shaped；In preparation process fully
Nano-particle, is embedded into foamed substrate by stirring using foam theory, is avoided nano-particle from producing reunion when directly using, is increased
Carrier has been added to resist the ability that caused impact occurs for oxygen, so as to be greatly enhanced the stability of catalyst and reliability；Together
When add the convenience of recovery, catalyst can be recycled, and contribute to the later stage to reduce cost.
The catalyzing hydrogen peroxide of above example prepares catalyst of oxygen and preparation method thereof, will be received by foam theory
Rice catalyst particle is embedded in foamed substrate, is improved the stability and reliability of catalyst, is on the one hand added catalyst
Contact area, on the one hand overcome agglomeration, greatly improve catalytic efficiency, and be easy to reclaim, it is easy to process, can
Recycle；Preparation method is simple, easy to operate, is easy to factory to mass produce.
The catalyzing hydrogen peroxide of above example is prepared in the catalyst of oxygen, it is various obviously can and peroxidating
The nano-catalytic metal foaming material of hydrogen reaction, the application are all applicable, should be all included in the protection domain of the application.
Above-described embodiment should not in any way limit the present invention, all to be obtained by the way of equivalent substitution or equivalency transform
Technical scheme all fall within protection scope of the present invention.
Claims (10)
1. a kind of catalyzing hydrogen peroxide prepares the catalyst of oxygen, it is characterised in that：It is by being prepared for catalyzing hydrogen peroxide
The nano-catalytic particle of oxygen is embedded in foamed substrate and formed.
2. a kind of catalyzing hydrogen peroxide according to claim 1 prepares the catalyst of oxygen, it is characterised in that：The foaming
Base material full open aperture, quickly infiltrated into the hole of foamed substrate for hydrogen peroxide.
3. a kind of catalyzing hydrogen peroxide according to claim 1 prepares the catalyst of oxygen, it is characterised in that：The nanometer
Catalyst particle is embedded in foamed substrate by foam theory.
4. a kind of catalyzing hydrogen peroxide according to claim 1 prepares the catalyst of oxygen, it is characterised in that：The nanometer
Catalyst particle is alloy nano-powder；The alloy nano-powder is one in Nanoscale Iron, nano phase ag_2 o, Platinum Nanoparticles and Nanometer Copper
Kind or its kind of several mixture in any proportion.
5. a kind of catalyzing hydrogen peroxide according to claim 1 prepares the catalyst of oxygen, it is characterised in that：The foaming
Base material is polyurethane material.
6. a kind of catalyzing hydrogen peroxide according to claim 1 prepares the catalyst of oxygen, it is characterised in that：The nanometer
The dosage of catalyst particle is the 0.01%-10% of foamed substrate quality.
7. a kind of catalyzing hydrogen peroxide according to claim 1 prepares the catalyst of oxygen, it is characterised in that：The catalysis
Agent processing granulates, wire, strip or bulk.
8. any one catalyzing hydrogen peroxide prepares the preparation method of the catalyst of oxygen in such as claim 1-4, its feature exists
In：Preparation method is carried out according to the following steps：First, the main material for preparing foamed substrate is weighed, adds nano-catalytic thereto
Particle, mechanical agitation, nano-catalytic particle is set fully to suspend；2nd, by foam theory, continue to add into main material various auxiliary
Material, carries out the preparation of foamed substrate；3rd, foamed, after the completion of foaming, required shape is cut into using instrument, i.e., it is complete
Into preparation.
9. a kind of catalyzing hydrogen peroxide according to claim 8 prepares the preparation method of the catalyst of oxygen, its feature exists
In：The foamed substrate is polyurethane material；The specific preparation method of catalyst based on polyurethane material is according to the following steps
Carry out：First, PPG is weighed, in the environment of 25-35 DEG C, nano-catalytic particle is added into PPG, is stirred
Mix fully dispersed to nano-catalytic particle and be suspended in PPG；2nd, triethylene diamine solution is added into step 1
And diethylene glycol, continue to stir；3rd, stannous octoate and silicone oil are added into step 2, continues to stir；4th, Xiang Bu
Distilled water is added in rapid three, continues to stir；5th, in the environment of 25-35 DEG C, toluene diisocynate is added into step 4
Ester, continue to stir, then stand foaming；6th, after the completion of foaming, baking oven is put into, at 70-90 DEG C, vacuum bakeout；Then,
Place at room temperature, obtain expanded material, further according to the shape needed required for expanded material is processed into, that is, complete to prepare.
10. a kind of catalyzing hydrogen peroxide according to claim 9 prepares the preparation method of the catalyst of oxygen, its feature exists
In：The dosage of the nano-catalytic particle is the 0.01%-10% of foamed substrate dosage；The dosage of each component in foamed substrate
For conventional amount used.
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Cited By (1)
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| CN110437418A (en) * | 2019-08-29 | 2019-11-12 | 万华化学集团股份有限公司 | A kind of hard polyurethane foams and preparation method thereof of delay foaming |
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Application publication date: 20180112 |