CN108675791A - It is a kind of using foam waste as the preparation method of the carbon foam of raw material - Google Patents
It is a kind of using foam waste as the preparation method of the carbon foam of raw material Download PDFInfo
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- CN108675791A CN108675791A CN201810937908.3A CN201810937908A CN108675791A CN 108675791 A CN108675791 A CN 108675791A CN 201810937908 A CN201810937908 A CN 201810937908A CN 108675791 A CN108675791 A CN 108675791A
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- foam
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/515—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics
- C04B35/52—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on carbon, e.g. graphite
- C04B35/524—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on carbon, e.g. graphite obtained from polymer precursors, e.g. glass-like carbon material
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/62204—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products using waste materials or refuse
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- C04B38/00—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof
- C04B38/08—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof by adding porous substances
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/70—Aspects relating to sintered or melt-casted ceramic products
- C04B2235/74—Physical characteristics
- C04B2235/77—Density
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/70—Aspects relating to sintered or melt-casted ceramic products
- C04B2235/96—Properties of ceramic products, e.g. mechanical properties such as strength, toughness, wear resistance
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/70—Aspects relating to sintered or melt-casted ceramic products
- C04B2235/96—Properties of ceramic products, e.g. mechanical properties such as strength, toughness, wear resistance
- C04B2235/9607—Thermal properties, e.g. thermal expansion coefficient
Abstract
The invention discloses a kind of using foam waste as the preparation method of the carbon foam of raw material, includes the following steps：Thermosetting foams waste and thermoplastic foam waste are cleaned respectively, dried, crushes obtained foam beads, then foam beads are mixed, hot pressing, are pyrolyzed the obtained carbon foam of carbonization.It is raw material that the present invention, which selects foam waste, not only abundance, at low cost, but also can effectively reduce the environmental problem that foam waste is brought, and opens a kind of new way solving foam pollution；The carbon foam of acquisition has good mechanical property and thermal stability；Preparation process is simple, can be mass-produced, and application prospect is considerable.
Description
Technical field
The present invention relates to a kind of preparation methods of carbon foam, are steeped by the carbon of raw material of foam waste more particularly, to a kind of
The preparation method of foam belongs to carbon material field.
Background technology
With scientific and technological progress, the quickening of urbanization process and the increasing living standard of people, various Municipal Garbage Yields
Increase year by year, and has been exactly gradually " white dirt difficult to degrade to the important house refuse of rural area extension one of which from city
Dye ", i.e., the foam plastic product being made of polystyrene, polyethylene is polluted caused by ecological environment.Currently, many both at home and abroad
Experts and scholars etc. propose many feasible solutions and further research direction to white pollution, wherein common side
Method has：Reduce the use to white plastic products；Recycling to plastic products；It recycles various waste plastics at a low price and develops
New way is applied to it；Development of new degradation plastic.It can be seen that plastics pollution is not only China's ecological environment
Need the important environmental protection subject that the critical issue solved and the whole world are paid close attention to jointly.The present invention opens a kind of solution white
The new way of pollution：Recycling foam waste is fabricated to carbon foam, reduces cost, application prospect is considerable.
Carbon foam be it is a kind of by hole steep and be connected with each other hole steep that wall form have tridimensional network, in class it is spongy
Novel carbonaceous material, have low-density, high porosity, larger specific surface area, good absorption property, lower thermal expansion
The features such as coefficient and low thermal conductivity coefficient, it can be used as heat-barrier material, high-quality sandwich material, ability storage electrode, energy absorbing material,
Catalyst carrier and deodorization eliminating smell agent etc., in chemical industry, the fields such as aerospace and electronics have a wide range of applications value.
The preparation method of the preparation method and carbon foam of 201410219197.8 ferroso-ferric oxide carbon foam compounds of CN,
A kind of preparation method of ferroso-ferric oxide carbon foam compound is provided, is included the following steps：By rubber grain and iron compound
Mixing, obtains mixture；The mixture is heated to 500 DEG C~1000 DEG C, up to the generation of no flame, obtains ferroso-ferric oxide
Carbon foam compound.The present invention, by physical mixed, combustion reaction, is catalyzed using rubber grain as carbon source material in iron compound
Under the action of rubber carbonization, ferroso-ferric oxide carbon foam compound is simply, efficiently prepared.Using one-step method quick catalysis
Rubber is carbonized, and iron compound can be fully converted into ferroso-ferric oxide, be attached to carbon foam surface, due to the damage of not no iron compound
It loses, it is more more economical than infusion process.The invention is preferably using recycling scrap tire rubber as carbon source, also more economic, environmental protection.
A kind of methods for the carbon foam preparing absorption oil and organic solvent using waste paper of CN 201310472616.4, specifically
For waste paper after paper pulp, freeze-drying, pyrolytic, annealing, is obtained the carbon foam of hydrophobic.Utilization provided by the invention
The method that waste paper prepares the carbon foam of absorption oil and organic solvent, method is simple, it is at low cost, can be mass-produced；The invention system
Standby carbon foam, with very strong adsorption capacity, therefore, can be used with extraordinary mechanical performance and to organic solvent or grease
In sewage disposal or the field of Liquid liquid Separation；And the method that the carbon foam can utilize fractionation, squeeze, is realized to the carbon foam
Recycling and recycling to absorbate.
Invention content
The purpose of the present invention overcomes the shortcomings of the prior art, and provides a kind of using foam waste as the carbon foam of raw material
Preparation method, include the steps that following sequence：
（1）By thermosetting foams waste and thermoplastic foam waste respectively with being cleaned and dried；
（2）By step（1）Treated, and thermosetting foams waste crushes respectively with thermoplastic foam waste, is sieved and grain is made
The foam beads that diameter is 1-50 μm；
（3）By step（2）Thermosetting foams particle after crushing is put into thermoplastic foam particle 1 ︰ 0.5 ~ 1 in mass ratio to turn
0.5-3h is mixed in the ball mill of fast 100-200r/min；
（4）By step（3）The foam beads mixed are put into mold, and carry out hot pressing, hot pressing temperature to mix-froth waste
100-250 DEG C, hot pressing time 5-20min, hot pressing pressure 100-200KPa of degree；
（5）By step（4）Mix-froth particle after hot pressing is put into pyrolysis oven, is passed through the argon gas of flowing, with 10-15 DEG C/min liters
Temperature keeps the temperature 10-30min, then be warming up to 500-800 DEG C with 1-15 DEG C/min, keeps the temperature 1-3h, cool to the furnace to 100-250 DEG C
Carbon foam is made in room temperature.
The beneficial technical effect of the present invention lies in：
（1）Raw material sources are abundant, at low cost；（2）The environmental problem that foam waste is brought can be effectively reduced；（3）The carbon of acquisition
Foam has good mechanical property and thermal stability；（4）Preparation process is simple, can be mass-produced.
Specific implementation mode
With reference to specific embodiment, the present invention is furture elucidated, it should be understood that these embodiments are merely to illustrate the present invention
Rather than limit the scope of the invention, after having read the present invention, various equivalences of the those skilled in the art to the present invention
It is as defined in the appended claims that the modification of form falls within the application.
Embodiment 1
（1）By thermosetting foams waste（Phenolic resin foam）With thermoplastic foam waste（Polyethylene）Respectively with into
Row cleans and drying；
（2）By step（1）Treated, and thermosetting foams waste crushes respectively with thermoplastic foam waste, is sieved and grain is made
The foam beads that diameter is 20 μm；
（3）By step（2）Thermosetting foams particle after crushing is put into thermoplastic foam particle 1 ︰ 1 in mass ratio as rotating speed
2h is mixed in the ball mill of 200r/min；
（4）By step（3）The foam beads mixed are put into mold, and carry out hot pressing, hot pressing temperature to mix-froth waste
150 DEG C, hot pressing time 8min, hot pressing pressure 150KPa of degree；
（5）By step（4）Mix-froth particle after hot pressing is put into pyrolysis oven, is passed through the argon gas of flowing, is heated up with 10 DEG C/min
To 150 DEG C, 30min is kept the temperature, then 600 DEG C are warming up to 5 DEG C/min, keep the temperature 3h, cooled to room temperature with the furnace and carbon foam is made.
Carbon foam top obtained aperture is big, and lower part aperture is small, and aperture has gradient from top to bottom and connects inside carbon foam
Continuous variation, can be used as gradient filtration material, can selectively be collected by the particle in filtering fluid, favorably in filter process
Dirty space is received in raising, is reduced filtration resistance, is prolonged the service life, while can guarantee that material possesses enough filtering accuracies and mistake
Filter efficiency.
Embodiment 2
（1）By thermosetting foams waste（Epoxy foams）With thermoplastic foam waste（Polyvinyl chloride foam）It uses respectively
It is cleaned and is dried；
（2）By step（1）Treated, and thermosetting foams waste crushes respectively with thermoplastic foam waste, is sieved and grain is made
The foam beads that diameter is 40 μm；
（3）By step（2）Thermosetting foams particle after crushing is put into thermoplastic foam particle 1 ︰ 0.6 in mass ratio as rotating speed
3h is mixed in the ball mill of 180r/min；
（4）By step（3）The foam beads mixed are put into mold, and carry out hot pressing, hot pressing temperature to mix-froth waste
180 DEG C, hot pressing time 10min, hot pressing pressure 180KPa of degree；
（5）By step（4）Mix-froth particle after hot pressing is put into pyrolysis oven, is passed through the argon gas of flowing, is heated up with 12 DEG C/min
To 200 DEG C, 15min is kept the temperature, then 780 DEG C are warming up to 10 DEG C/min, keep the temperature 1h, cooled to room temperature with the furnace and carbon foam is made.
Carbon foam aperture obtained is between 80-250 μm, even aperture distribution, and density is 7.68 kg/m3,Thermal coefficient
Lightweight aerospace heat-barrier material is can be used as 0.536 W/ (m K).
Embodiment 3
（1）By thermosetting foams waste（Melamine resin foam）With thermoplastic foam waste（Polypropylene foam）Respectively
With being cleaned and dried；
（2）By step（1）Treated, and thermosetting foams waste crushes respectively with thermoplastic foam waste, is sieved and grain is made
The foam beads that diameter is 30 μm；
（3）By step（2）Thermosetting foams particle after crushing is put into thermoplastic foam particle 1 ︰ 0.8 in mass ratio as rotating speed
2.5h is mixed in the ball mill of 150r/min；
（4）By step（3）The foam beads mixed are put into mold, and carry out hot pressing, hot pressing temperature to mix-froth waste
200 DEG C, hot pressing time 10min, hot pressing pressure 120KPa of degree；
（5）By step（4）Mix-froth particle after hot pressing is put into pyrolysis oven, is passed through the argon gas of flowing, is heated up with 15 DEG C/min
To 250 DEG C, 20min is kept the temperature, then 650 DEG C are warming up to 12 DEG C/min, keep the temperature 2h, cooled to room temperature with the furnace and carbon foam is made.
Carbon foam aperture obtained is between 100-400 μm, even aperture distribution, and density is 8.87 kg/m3,, can be used as
Adsorb the material of greasy dirt.
Three specific implementation modes of the invention are above are only, but the design concept of the present invention is not limited thereto, all utilizations
This design carries out the present invention change of unsubstantiality, should all belong to the behavior for invading the scope of protection of the invention.In every case it is not
It is detached from the content of technical solution of the present invention, according to the technical essence of the invention to any type of simple made by above example
Modification, equivalent variations and remodeling, still fall within the protection domain of technical solution of the present invention.
Claims (1)
1. it is a kind of using foam waste as the preparation method of the carbon foam of raw material, include the steps that following sequence：
（1）By thermosetting foams waste and thermoplastic foam waste respectively with being cleaned and dried；
（2）By step（1）Treated, and thermosetting foams waste crushes respectively with thermoplastic foam waste, is sieved and grain is made
The foam beads that diameter is 1-50 μm；
（3）By step（2）Thermosetting foams particle after crushing and thermoplastic foam particle in mass ratio 1：0.5 ~ 1 is put into turn
0.5-3h is mixed in the ball mill of fast 100-200r/min；
（4）By step（3）The foam beads mixed are put into mold, and carry out hot pressing, hot pressing temperature to mix-froth waste
100-250 DEG C, hot pressing time 5-20min, hot pressing pressure 100-200KPa of degree；
（5）By step（4）Mix-froth particle after hot pressing is put into pyrolysis oven, is passed through the argon gas of flowing, with 10-15 DEG C/min liters
Temperature keeps the temperature 10-30min, then be warming up to 500-800 DEG C with 1-15 DEG C/min, keeps the temperature 1-3h, cool to the furnace to 100-250 DEG C
Carbon foam is made in room temperature.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810937908.3A CN108675791A (en) | 2018-08-17 | 2018-08-17 | It is a kind of using foam waste as the preparation method of the carbon foam of raw material |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810937908.3A CN108675791A (en) | 2018-08-17 | 2018-08-17 | It is a kind of using foam waste as the preparation method of the carbon foam of raw material |
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Citations (11)
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| JPS61191573A (en) * | 1985-02-15 | 1986-08-26 | 呉羽化学工業株式会社 | Resin reinforced porous carbon material |
| EP0462288A1 (en) * | 1989-12-29 | 1991-12-27 | Nippon Steel Chemical Co., Ltd. | Process for producing porous carbonaceous material |
| CN1162287A (en) * | 1994-11-04 | 1997-10-15 | 拜尔公司 | Heat-insulating body |
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| CN101428785A (en) * | 2008-12-12 | 2009-05-13 | 中国科学院山西煤炭化学研究所 | Method for producing phenolic resin based foam carbon with secondary curing method |
| CN101439852A (en) * | 2008-12-12 | 2009-05-27 | 中国科学院山西煤炭化学研究所 | Method for preparing open cell type phenolic resin based foam carbon by one-step process |
| CN101633225A (en) * | 2009-08-07 | 2010-01-27 | 天津大学 | Method for preparing composite board by waste thermosetting foamed plastics |
| CN102351170A (en) * | 2011-07-26 | 2012-02-15 | 福州大学 | Preparation method of high strength resin base foam charcoal material |
| CN102675733A (en) * | 2011-03-11 | 2012-09-19 | 同济大学 | Plate made of waste polyurethane and reclaimed polypropylene and manufacturing method thereof |
| KR20160148935A (en) * | 2015-06-17 | 2016-12-27 | 한국세라믹기술원 | Method for preparing porous carbon materials using polymer |
| CN108380206A (en) * | 2018-02-22 | 2018-08-10 | 万华化学集团股份有限公司 | A method of based on the catalyst and preparation method that carbonize polyurethane material and using the catalyst preparation cyclopentanone |
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2018
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| EP0462288A1 (en) * | 1989-12-29 | 1991-12-27 | Nippon Steel Chemical Co., Ltd. | Process for producing porous carbonaceous material |
| CN1162287A (en) * | 1994-11-04 | 1997-10-15 | 拜尔公司 | Heat-insulating body |
| CN1829667A (en) * | 2003-07-31 | 2006-09-06 | 布卢薄膜有限责任公司 | Method for the production of porous carbon-based molded bodies, and use thereof as cell culture carrier systems and culture systems |
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| CN101439852A (en) * | 2008-12-12 | 2009-05-27 | 中国科学院山西煤炭化学研究所 | Method for preparing open cell type phenolic resin based foam carbon by one-step process |
| CN101633225A (en) * | 2009-08-07 | 2010-01-27 | 天津大学 | Method for preparing composite board by waste thermosetting foamed plastics |
| CN102675733A (en) * | 2011-03-11 | 2012-09-19 | 同济大学 | Plate made of waste polyurethane and reclaimed polypropylene and manufacturing method thereof |
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Application publication date: 20181019 |