CN107987375A - A kind of PP composite material and preparation method thereof - Google Patents
A kind of PP composite material and preparation method thereof Download PDFInfo
- Publication number
- CN107987375A CN107987375A CN201711075842.3A CN201711075842A CN107987375A CN 107987375 A CN107987375 A CN 107987375A CN 201711075842 A CN201711075842 A CN 201711075842A CN 107987375 A CN107987375 A CN 107987375A
- Authority
- CN
- China
- Prior art keywords
- boron mud
- composite material
- carbonized residue
- mud carbonized
- parts
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K11/00—Use of ingredients of unknown constitution, e.g. undefined reaction products
- C08K11/005—Waste materials, e.g. treated or untreated sewage sludge
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K9/00—Use of pretreated ingredients
- C08K9/04—Ingredients treated with organic substances
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K9/00—Use of pretreated ingredients
- C08K9/04—Ingredients treated with organic substances
- C08K9/06—Ingredients treated with organic substances with silicon-containing compounds
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Treatment Of Sludge (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses a kind of PP composite material and preparation method thereof, including component：70 90 parts of acrylic resin, 5 ~ 30 parts of boron mud carbonized residue.Boron mud carbonized residue is applied in PP composite material by the present invention, pass through the optimization of each component in formula and the optimization of technique, it can obviously improve the compatibility between boron mud carbonized residue and polypropylene, the polypropylene composite material being prepared has preferable tensile strength, bending strength and impact property, it can replace the inorganic reinforced fillings such as talcum powder and calcium carbonate, the production cost of polypropylene articles can not only be reduced, also there is energy conservation and environmental protection, greatly improve the comprehensive utilization value of boron mud.
Description
Technical field
The invention belongs to the technical field of comprehensive utilization of solid waste, and in particular to a kind of PP composite material and its
Preparation method.
Background technology
Boron mud is the alkali solid discarded object produced during producing borax as raw material using boron magnesium ore, produces 1 ton of borax
Simultaneous produces 4 tons of boric sludge waste, and the discharge capacity of boron mud is larger, bulk deposition land occupation, and the production of borax
There is the addition of soda ash in journey, cause boron mud alkalescence stronger, polluted river.
The domestic processing means to boron mud mainly have at present produces basic magnesium carbonate using boric sludge waste, and boron magnesium phosphorus is compound
Fertilizer, building brick etc..It is the most ripe that the technique of basic magnesium carbonate is wherein prepared by carbonizatin method using boron mud as raw material, while boron mud
Usage amount it is maximum, but add a large amount of calcium oxide during this method production basic magnesium carbonate, the secondary of almost equivalent can be produced
Solid waste（That is boron mud carbonized residue）.It is magnesia 26.98% that it, which is mainly formed, calcium oxide 18.35%, aluminium oxide 4.09%,
Iron oxide 2.53%, potassium oxide 0.31%, titanium oxide 0.14%, manganese oxide 0.12% etc..This comprehensive utilization to boron mud be it is unfavorable,
" minimizing, the recycling, recycling " treatment principle of country to waste resource is not met yet.Therefore boron mud is produced by carbonizatin method
Solid waste caused by basic magnesium carbonate（That is boron mud carbonized residue）Must further it be developed.
Found by the analysis to boron mud carbonized residue, its primary chemical composition is：Magnesia, silica, aluminium oxide, oxygen
Change calcium, iron oxide, sodium oxide molybdena, potassium oxide etc..Its thing phase composition is mainly forsterite, calcite, quartz, pyrite, sodium length
Stone, potassium feldspar etc..After being handled at present using boron mud as polypropylene reinforced filling research it has been reported that such as CN1044479, but should
Patent disclosed that to the simple process mode of boron mud, the active principle in boron mud is not utilized sufficiently.
The content of the invention
In order to overcome above-mentioned the shortcomings of the prior art, primary and foremost purpose of the invention is to provide a kind of polypropylene composite materials
Material, the composite material use boron mud carbonized residue to replace the fillers such as talcum powder and calcium carbonate for raw material, greatly improve boron
The comprehensive utilization value of mud.
Another object of the present invention is to provide the preparation method of above-mentioned PP composite material.
The present invention is achieved by the following technical solutions：
A kind of PP composite material, is counted in parts by weight, including following components：
70-90 parts of acrylic resin
5 ~ 30 parts of boron mud carbonized residue.
Boron mud carbonized residue of the present invention is during using carbonizatin method production basic magnesium carbonate as raw material using boron mud
The solid waste of generation.Using the D8-FOCUS type X x ray diffractometer xs of German Bruker companies, test condition is：
5-70 ° of scanning range, sweep speed are 2 °/min, and Cu, K α radiation, wavelength is 1.54 A, its is main by analysis
Composition is：Magnesia 25-27%, calcium oxide 17-20%, aluminium oxide 3-5%, iron oxide 2-3%, potassium oxide 0-0.5%, titanium oxide 0-
0.2%, manganese oxide 0-0.2% etc., its average grain diameter is tested less than 3 μm with laser particle size analyzer.
Preferably, the boron mud carbonized residue is with the pretreated boron mud carbonized residue of coupling agent, based on 100 parts of boron muds
Carbonized residue, the addition of the coupling agent is 0-2 parts, and the coupling agent is in silane coupling agent, Aluminate or stearic acid
One or more of mixing, is preferably Si69 or KH560.The boron mud carbonized residue that the present invention uses belongs to secondary residue, in alkali
Property, for pH value between 9.5 ~ 10, the present invention is directed to the alkaline physical characteristic of boron mud carbonized residue, rational to select coupling agent to boron
Mud carbonized residue carries out surface preparation, can improve the compatibility of it and polypropylene matrix, increases loading, improves composite wood
The mechanical performance of material.
According to actual performance needs, the above-mentioned PP composite material of the present invention, counts, further includes other and help in parts by weight
0-2 parts of agent, other described auxiliary agents are one or more of mixing in antioxidant, lubricant or light stabilizer.
Wherein, the antioxidant is 2,6- di-tert-butyl-4-methy phenols (antioxidant 264), 3-（3 ', 5 '-two tertiary fourths
Base -4- hydroxy phenyls）Propionic acid ］ pentaerythritol ester (antioxidant 1010) etc..
The lubricant is Tissuemat E, N, N '-ethyl bis-stearamides EBS etc.；
The light stabilizer is 4- benzoyloxys -2,2,6,6- tetramethyl piperidines（Light stabilizer 744）, 2,2 '-thiobis
（4- t-octyl phenol epoxides）Nickel（Light stabilizer AM-101）Deng.
Present invention also offers the preparation method of above-mentioned PP composite material, include the following steps：
（1）According to the quality proportioning shared by raw material, boron mud carbonized residue is placed in high speed ballmillmixer, is pre-processed,
Pretreated boron mud carbonized residue is obtained, it is spare；
（2）Acrylic resin, pretreated boron mud carbonized residue, other auxiliary agents are placed in high-speed mixer be mixed to get it is pre-
Batch mixing, premix obtain PP composite material through screw extruder melting extrusion, granulation.
Preferably, step（1）In, the condition of the pretreatment is：The r/min of rotating speed 800r/min ~ 1000, the time 10 ~
30min, 80 ~ 100 DEG C of temperature.
Preferably, step（2）In, the extrusion condition of the extruder is：140 DEG C -160 DEG C of one area temperature control, area temperature control
150 DEG C -170 DEG C, 180 DEG C -190 DEG C of 3rd area temperature control, 180 DEG C -190 DEG C of 4th area temperature control, 180 DEG C -190 DEG C of 5th area temperature control, head
190 DEG C -210 DEG C of temperature control；Rotating speed 200-500r/min.
As a kind of preferable technical solution of the present invention, in step（1）Before, high temperature is carried out to boron mud carbonized residue to forge
Burn, concretely comprise the following steps：Boron mud carbonized residue is put into heat safe chunk, is setting the high-temperature cabinet of temperature and time
Calcined in formula resistance furnace and taken out after cooling to room temperature with the furnace, obtain the boron mud carbonized residue after high-temperature calcination, the height
Temperature calcining condition be：Heated up in high temperature box type resistance furnace with the speed of 5 DEG C/min before 600 DEG C, after 600 DEG C with 3 DEG C/
Min heats up, then natural cooling after 800 DEG C of insulation 4h.The present invention can make in advance by boron mud carbonized residue high-temperature calcination
The type and quantity of the surface-active point of boron mud carbonized residue all increase, and particle diameter increase, specific surface area reduces, and surface energy reduces,
Make the dispersiveness raising of boron mud carbonized residue, and high-temperature calcination partial amorphism makes structure become loose, and it is scattered to further improve it
Property.
Compared with prior art, the present invention has the advantages that：
（1）Boron mud carbonized residue is applied in PP composite material by the present invention, by the optimization of each component in formula and
The optimization of technique, can obviously improve the compatibility between boron mud carbonized residue and polypropylene, compound poly- third be prepared
Alkene material has preferable tensile strength, bending strength and impact property, the inorganic reinforcement such as talcum powder, calcium carbonate can be replaced to fill out
Material, can significantly reduce the use to reinforced fillings such as high energy consumption, high pollution talcum powder and calcium carbonate, can not only drop
The production cost of oligomerisation of propene product, also has the characteristics that energy conservation and environmental protection, greatly improves the comprehensive utilization value of boron mud.
（2）Production method of the present invention is simple, and this method is produced during can effectively handling boron mud production basic magnesium carbonate
Raw a large amount of waste materials, meet " minimizing, the recycling, recycling " treatment principle of country to waste resource.
Embodiment
Embodiment is given below so that the present invention to be specifically described, but not limited to this.
Boron mud carbonized residue：It is main raw material(s) using boron mud, digestion reaction is carried out by adding calcium oxide, then will mixing
Liquid cooling is placed in autoclave, and pressurization is passed through carbon dioxide and carries out carburizing reagent, and liquid pH to be mixed stops two after reaching 7
Carbonoxide is passed through, and the solid waste drying of mixed liquor filtering is levigate to obtain boron mud carbonized residue, uses laser particle size analyzer
Its average grain diameter is tested as 2.54 μm.
Other raw materials derive from purchased in market used by the embodiment of the present invention and comparative example.
Embodiment 1 and embodiment 6-7, comparative example 1-2：
（1）As shown in table 1, boron mud carbonized residue is placed in high speed ballmillmixer, is pre-processed, obtained pretreated
Boron mud carbonized residue, it is spare；The condition of the pretreatment is：Rotating speed 800r/min ~ 1000 r/min, 10 ~ 30min of time, temperature
80 ~ 100 DEG C of degree；
（2）Acrylic resin, pretreated boron mud carbonized residue, other auxiliary agents are placed in high-speed mixer be mixed to get it is pre-
Batch mixing, premix obtain PP composite material through screw extruder melting extrusion, granulation；The extrusion condition is：One area's temperature
140 DEG C -160 DEG C of control, 150 DEG C -170 DEG C of area temperature control, 180 DEG C -190 DEG C of 3rd area temperature control, 180 DEG C -190 DEG C of 4th area temperature control, five
180 DEG C -190 DEG C of area's temperature control, 190 DEG C -210 DEG C of head temperature control；Rotating speed 200r/min.
Embodiment 2-5：
As shown in table 1, boron mud carbonized residue and coupling agent are placed in high speed ballmillmixer, pre-processed, obtained pre-
Boron mud carbonized residue after processing, it is spare；The condition of the pretreatment is：The r/min of rotating speed 800r/min ~ 1000, time
10 ~ 30min, 80 ~ 100 DEG C of temperature；
Remaining is the same as embodiment 1.
Embodiment 8：
In step（1）Before pretreatment, high-temperature calcination is carried out to boron mud carbonized residue, is concretely comprised the following steps：By boron mud carbonized residue
It is put into heat safe chunk, is calcined in the high temperature box type resistance furnace for setting liter temperature and time and with furnace cooling
But to taking out after room temperature, the boron mud carbonized residue after high-temperature calcination is obtained, the condition of the high-temperature calcination is：High-temperature box type resistance
Heated up with the speed of 5 DEG C/min before 600 DEG C in stove, heated up after 600 DEG C with 3 DEG C/min, then after 800 DEG C of insulation 4h
Natural cooling；
Remaining step is the same as embodiment 1.
Gained PP composite material is dried, drying condition is：105 DEG C of temperature, time 2 h；Then by mark
Standard is molded into corresponding batten, and injecting condition is：160-180 DEG C of front-end temperature, 180-200 DEG C of stage casing temperature, back segment temperature
190-210 DEG C, injection pressure 70-80MPa, dwell pressure 70-80MPa, dwell time 10-15s；Progressive as follows
It can test, test result is as shown in table 2.
Performance test methods：
Tensile strength：Tested according to GB/T1040-2006, draw speed 10mm/min；
Bending strength：Tested according to GB/T9341-2000, rate of bending 2mm/min；
Bending modulus：Tested according to GB/T9341-2000, rate of bending 2mm/min；
Cantilever beam impact strength：Tested according to GB/T1843-2008, notch type A；
Elongation at break：Tested according to GB/T1040-2006, draw speed 10mm/min；
Average grain diameter：Using laser particle analyzer, using water as medium, a certain amount of boron mud carbonized residue examination is added into sample cell
Sample, makes sample particle scatter in water, opens ultrasonic wave and spread out by agglomerated particle, open by physical mechanical stirring
Circulating pump, makes particle be uniformly distributed in systems, and it is 1-2 that whole process, which controls shading ratio, is tested.
The specific proportioning of each component in 1 each embodiment of table and comparative example（Parts by weight）
The performance test data of 2 each embodiment of table and comparative example sample
Contrasted from embodiment 1 in table 2 and comparative example 1-2, poly- third be prepared using boron mud carbonized residue as raw material
Alkene composite property is better than using the comparative example of talcum powder and calcium carbonate as raw material, therefore boron mud carbonized residue can complete generation
For talcum powder and calcium carbonate applications in the preparation of PP composite material.
Claims (10)
- A kind of 1. PP composite material, it is characterised in that count in parts by weight, including following components：70-90 parts of acrylic resin5-30 parts of boron mud carbonized residue.
- 2. PP composite material according to claim 1, it is characterised in that the boron mud carbonized residue be using boron mud as It is average to test it using the solid waste produced during carbonizatin method production basic magnesium carbonate with laser particle size analyzer for raw material Particle diameter is less than 3 μm.
- 3. PP composite material according to claim 2, it is characterised in that the boron mud carbonized residue is with coupling agent Pretreated boron mud carbonized residue.
- 4. PP composite material according to claim 3, it is characterised in that described based on 100 parts of boron mud carbonized residues The addition of coupling agent is 0-2 part, and the coupling agent is that one or more of in silane coupling agent, Aluminate or stearic acid mix Close, be preferably Si69 or KH560.
- 5. PP composite material according to claim 1, it is characterised in that count in parts by weight, further include other and help 0-2 parts of agent.
- 6. PP composite material according to claim 5, it is characterised in that other described auxiliary agents are antioxidant, lubrication One or more of mixing in agent or light stabilizer.
- 7. according to the preparation method of claim 1-6 any one of them PP composite materials, it is characterised in that including as follows Step：（1）According to the quality proportioning shared by raw material, boron mud carbonized residue is placed in high speed ballmillmixer, is pre-processed, Pretreated boron mud carbonized residue is obtained, it is spare；（2）Acrylic resin, pretreated boron mud carbonized residue, other auxiliary agents are placed in high-speed mixer be mixed to get it is pre- Batch mixing, premix obtain PP composite material through screw extruder melting extrusion, granulation.
- 8. the preparation method of PP composite material according to claim 7, it is characterised in that step（1）In, it is described pre- The condition of processing is：Rotating speed 800r/min ~ 1000 r/min, 10 ~ 30min of time, 80 ~ 100 DEG C of temperature.
- 9. the preparation method of PP composite material according to claim 7, it is characterised in that step（2）In, it is described to squeeze The extrusion condition for going out machine is：140 DEG C -160 DEG C of one area temperature control, 150 DEG C -170 DEG C of area temperature control, 180 DEG C -190 DEG C of 3rd area temperature control, 180 DEG C -190 DEG C of 4th area temperature control, 180 DEG C -190 DEG C of 5th area temperature control, 190 DEG C -210 DEG C of head temperature control；Rotating speed 200-500r/min.
- 10. the preparation method of PP composite material according to claim 7, it is characterised in that in step（1）Before, High-temperature calcination is carried out to boron mud carbonized residue, is concretely comprised the following steps：Boron mud carbonized residue is put into heat safe chunk, Set and taken out after room temperature is calcined and cooled to the furnace in the high temperature box type resistance furnace of temperature and time, obtain high-temperature calcination Boron mud carbonized residue afterwards, the condition of the high-temperature calcination are：With the speed of 5 DEG C/min before 600 DEG C in high temperature box type resistance furnace Degree heating, 600 DEG C are heated up with 3 DEG C/min later, then natural cooling after 800 DEG C of insulation 4h.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711075842.3A CN107987375B (en) | 2017-11-06 | 2017-11-06 | Polypropylene composite material and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711075842.3A CN107987375B (en) | 2017-11-06 | 2017-11-06 | Polypropylene composite material and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107987375A true CN107987375A (en) | 2018-05-04 |
| CN107987375B CN107987375B (en) | 2020-09-29 |
Family
ID=62030781
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711075842.3A Active CN107987375B (en) | 2017-11-06 | 2017-11-06 | Polypropylene composite material and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107987375B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109111599A (en) * | 2018-07-07 | 2019-01-01 | 大连地拓环境科技有限公司 | A kind of PVC fillers activated boron preparation method |
| CN109279833A (en) * | 2018-08-28 | 2019-01-29 | 武汉金发科技有限公司 | A kind of boron mud carbonized residue/foamed polystyrene insulation board and a kind of preparation method of foaming insulation board |
| CN109370044A (en) * | 2018-09-11 | 2019-02-22 | 上海宝田新型建材有限公司 | A kind of slag micropowder modified polypropylene composite material and preparation method thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0051230A1 (en) * | 1980-10-31 | 1982-05-12 | Deutsche ITT Industries GmbH | Suspensions containing microfibrillated cullulose, and process for their preparation |
| CN1044479A (en) * | 1989-11-11 | 1990-08-08 | 姜国刚 | Application in boron mud powder production technique and the rubber item |
| CN101962458A (en) * | 2010-10-11 | 2011-02-02 | 北京立高科技股份有限公司 | PVC waterproof coiled material and preparation process thereof |
| CN103923379A (en) * | 2013-01-14 | 2014-07-16 | 中国地质大学（北京） | Method for preparing fire retardation polymer composite material by using boron mud |
| CN103979584A (en) * | 2014-06-03 | 2014-08-13 | 李广凡 | Process for preparing light magnesium carbonate from boron mud |
| CN105566773A (en) * | 2014-10-13 | 2016-05-11 | 夏安娜 | Environment-friendly flame retardant rubber and preparation method thereof |
-
2017
- 2017-11-06 CN CN201711075842.3A patent/CN107987375B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0051230A1 (en) * | 1980-10-31 | 1982-05-12 | Deutsche ITT Industries GmbH | Suspensions containing microfibrillated cullulose, and process for their preparation |
| CN1044479A (en) * | 1989-11-11 | 1990-08-08 | 姜国刚 | Application in boron mud powder production technique and the rubber item |
| CN101962458A (en) * | 2010-10-11 | 2011-02-02 | 北京立高科技股份有限公司 | PVC waterproof coiled material and preparation process thereof |
| CN103923379A (en) * | 2013-01-14 | 2014-07-16 | 中国地质大学（北京） | Method for preparing fire retardation polymer composite material by using boron mud |
| CN103979584A (en) * | 2014-06-03 | 2014-08-13 | 李广凡 | Process for preparing light magnesium carbonate from boron mud |
| CN105566773A (en) * | 2014-10-13 | 2016-05-11 | 夏安娜 | Environment-friendly flame retardant rubber and preparation method thereof |
Non-Patent Citations (2)
| Title |
|---|
| YUXIA YIN, ET AL.: "Thermal degradation and flame retarding characteristics of polypropylene composites incorporated with boron mud", 《COMPOSITES SCIENCE AND TECHNOLOGY》 * |
| 叶君德 等: "硼泥的性质及其在填充聚氯乙烯塑料中的应用", 《无机盐工业》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109111599A (en) * | 2018-07-07 | 2019-01-01 | 大连地拓环境科技有限公司 | A kind of PVC fillers activated boron preparation method |
| CN109279833A (en) * | 2018-08-28 | 2019-01-29 | 武汉金发科技有限公司 | A kind of boron mud carbonized residue/foamed polystyrene insulation board and a kind of preparation method of foaming insulation board |
| CN109370044A (en) * | 2018-09-11 | 2019-02-22 | 上海宝田新型建材有限公司 | A kind of slag micropowder modified polypropylene composite material and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107987375B (en) | 2020-09-29 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103897434B (en) | The preparation method that plastic master batch is Nano calcium carbonate dedicated | |
| CN107987375A (en) | A kind of PP composite material and preparation method thereof | |
| CN108726904A (en) | A kind of road slow setting cement and preparation method thereof | |
| CN101768290B (en) | Modified phosphorous slag used as plastic filler and preparation method thereof | |
| CN104058591B (en) | A kind of processing method utilizing fluorite mine tailing to produce foam crystallite heat insulating decorative board | |
| CN100467621C (en) | Molten steel refining agent and preparation method | |
| CN104830079A (en) | Modified asphalt binder and preparation method thereof | |
| CN103979787B (en) | A kind of method utilizing high-calcium fly ass to prepare mineral wool | |
| CN102531440A (en) | Method for recycling red mud | |
| Wu et al. | Properties of red mud-filled and modified resin composites | |
| CN101696364A (en) | Metallurgical lump coke bonding agent manufactured by using coke powder and preparation method thereof | |
| KR101078336B1 (en) | Process of producing geopolymer using waste glass and geo concrete composition using the geopolymer | |
| CN100462399C (en) | Preparation method of transparent polypropylene | |
| CN115353377B (en) | Ultralow-temperature ceramic tile green body and preparation method thereof | |
| CN106892558A (en) | A kind of novel high-strength method for glass preparation | |
| CN107778553B (en) | Rubber composite material and preparation method thereof | |
| CN101696016B (en) | Hydrothermal synthesis method of alkali lithium pentaborate | |
| CN102659327A (en) | High-activity composite micro powder and production method and application thereof | |
| RU2653746C1 (en) | Composition for manufacture of formed products from waste of metallurgical manufactures, a method for obtaining a composition and a method for manufacture of formed products | |
| CN108640521A (en) | A kind of preparation method of Red Mud Foam devitrified glass | |
| CN104003631B (en) | Germanium tailings portland cement as primary raw material and preparation method thereof is carried with brown coal | |
| CN106701236A (en) | Briquette binder prepared by utilizing landfill leachate and method for producing industrial briquette | |
| CN106633191B (en) | A method of Flame-retardant ceramic rubber filling is produced using red mud | |
| CN110357485A (en) | A kind of pervious concrete additive and preparation method thereof using the preparation of ferrosilicon ash | |
| CN106746624A (en) | A kind of novel glass fiber and preparation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |