CN108033461A - A kind of mineral foaming warm-mixing agent and preparation method thereof - Google Patents
A kind of mineral foaming warm-mixing agent and preparation method thereof Download PDFInfo
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- CN108033461A CN108033461A CN201711367545.6A CN201711367545A CN108033461A CN 108033461 A CN108033461 A CN 108033461A CN 201711367545 A CN201711367545 A CN 201711367545A CN 108033461 A CN108033461 A CN 108033461A
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B39/00—Compounds having molecular sieve and base-exchange properties, e.g. crystalline zeolites; Their preparation; After-treatment, e.g. ion-exchange or dealumination
- C01B39/02—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof; Direct preparation thereof; Preparation thereof starting from a reaction mixture containing a crystalline zeolite of another type, or from preformed reactants; After-treatment thereof
- C01B39/20—Faujasite type, e.g. type X or Y
- C01B39/22—Type X
-
- 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
- C04B40/00—Processes, in general, for influencing or modifying the properties of mortars, concrete or artificial stone compositions, e.g. their setting or hardening ability
- C04B40/0028—Aspects relating to the mixing step of the mortar preparation
- C04B40/0039—Premixtures of ingredients
- C04B40/0046—Premixtures of ingredients characterised by their processing, e.g. sequence of mixing the ingredients when preparing the premixtures
-
- 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
- C04B2103/00—Function or property of ingredients for mortars, concrete or artificial stone
- C04B2103/42—Pore formers
-
- 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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/30—Adapting or protecting infrastructure or their operation in transportation, e.g. on roads, waterways or railways
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Materials Engineering (AREA)
- Ceramic Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Structural Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Road Paving Structures (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The present invention discloses a kind of mineral foaming warm-mixing agent, is made of the raw material of following parts by weight：20~40 parts of kaolin, 5~10 parts of sodium hydroxide, 10~20 parts of silicon source, 13~25 parts of silicon source, 0.5~2 part of molecular sieve structure directed agents, 1~3 part of amide groups fat polyamine.In addition, the preparation method the present invention also provides a kind of mineral foaming warm-mixing agent.The present invention is activated using conventional kaolin for raw material through hydro-thermal, silicon source, silicon source and structure directing agent synthetic mineral foaming warm-mixing agent are added, and utilizes the amophoteric surface active of amide groups fat polyamine, strengthen the lipophile of mineral foaming warm-mixing agent, improve its water stabilizing in asphalt.Mineral foaming warm-mixing agent provided by the invention solves the problems, such as that its stability of asphalt mixture of foaming warm-mixing agent can be poor in the prior art, and material is easy to get, and cost is relatively low, and preparation method is simple.
Description
【Technical field】
The invention belongs to pavement material technical field, more particularly to a kind of mineral foaming warm-mixing agent and preparation method thereof.
【Background technology】
The research origin of Warm-Mix Bitumen Mixture refers to that a kind of mix temperature mixes drip between heat in the Europe nineties in last century
Between blue or green mixture (150 DEG C~180 DEG C) and cold-mix asphalt mixture (10 DEG C~40 DEG C), performance reaches hot-mix asphalt mixture
Novel asphalt mixture.Warm-Mix Bitumen Mixture is mixed by adding additive or the method using foamed asphalt, keeping heat
While the excellent pavement performance of asphalt and construction quality, mix, the construction temperature of asphalt are effectively reduced, is mixed
Can be generally down to by closing temperature by 100 DEG C~130 DEG C.
In addition, according to the warm mix mechanism of action, warm mix technology, which can be classified as three big major technique types, to be included：
(1) organic viscosity reduction warm mix technology, by using organic thinner, reduces viscosity during heated bitumen mix, with wax or
Based on wax, representative has Sasobit；
(2) foamed asphalt viscosity reduction warm mix technology, reduces the viscosity of pitch, representative has Aspha- by water come foamed asphalt
min；
(3) surface-active warm mix technology, is acted on using surfactant interface emulsion dispersion, and offsetting mix temperature reduces drip
The increase of blue or green viscosity, so as to reach warm mix effect, representative has virtue dimension reality Wei Keyi roads warm-mixing agent.
Mineral foaming warm-mixing agent technology belong to foamed asphalt viscosity reduction technology, using in mineral warm-mixing agent at 80~100 DEG C
Moisture evaporation makes asphalt foaming, and temperature and compacting temperature are mixed and stirred so as to reduce.But the relatively low mixture production temperature meeting of this technology
So that the evaporation of moisture slows down, and remain in mixture, cause the adhesive type of asphalt and aggregate to decline, cause the water on road surface to damage
Evil.
Molecular screen material is a kind of crystalline material with uniform pore passage structure, its channel diameter and some molecular diameters
Sizableness, can sieve material on a molecular scale, therefore the zeolite molecular sieve that is otherwise known as, and molecular sieve is as warm-mixing additive
Action principle is that the water in molecular sieve is evaporated with superfine state at a certain temperature, plays the work for making asphalt foaming viscosity reduction
With.
【The content of the invention】
In order to overcome the technological deficiency of the prior art, the technical problems to be solved by the invention are to provide a kind of mineral hair
Warm-mixing agent and preparation method thereof is steeped, the present invention is activated using conventional kaolin for raw material through hydro-thermal, addition silicon source, silicon source and molecule
Sieve structure directed agents synthetic mineral foaming warm-mixing agent, and utilize the amophoteric surface active of amide groups fat polyamine, enhancing mineral hair
The lipophile of warm-mixing agent is steeped, improves its water stabilizing in asphalt.
The present invention provides a kind of mineral foaming warm-mixing agent, is made of the raw material of following parts by weight：20~40 parts of kaolin, hydrogen
5~10 parts of sodium oxide molybdena, 10~20 parts of silicon source, 13~25 parts of silicon source, 0.5~2 part of molecular sieve structure directed agents, amide groups fat are more
1~3 part of amine.
Further, the kaolin is calcined kaolin, and particle diameter is less than 200 mesh.
Further, the silicon source is sodium metasilicate or waterglass.
Further, source of aluminium is sodium aluminate or aluminium hydroxide.
Further, the molecular sieve structure directed agents are X-type molecular sieve.
Present invention also offers a kind of preparation method of mineral foaming warm-mixing agent, concretely comprise the following steps：
A. kaolin is mixed with sodium hydroxide solution and be placed in autoclave, be heated to 180~240 DEG C and pressing certainly
Under the conditions of 4~8h of activation process；
B. water is added after cooling down with amount of makeup water, is uniformly mixed, while adds silicon source and silicon source, allocates rubbing for material
You match；
C. molecular sieve structure directed agents are added, are uniformly mixed；Still aging 8~12h under the conditions of 70~90 DEG C；
D. by step C be aged after mixture under the conditions of 90~110 DEG C 3~10h of crystallization；
E. step D crystallization products are washed, then adds amide groups fat polyamine, filtering, 60 in crystallization product
It is dry under the conditions of~80 DEG C, obtain mineral foaming warm-mixing agent.
Further, the mol ratio of each materials of step B：Na2O：Al2O3：SiO2：H2O=2~3：1：3~5：110
~180.
Further, the amide groups fat polyamine is C12-C18 fat-based ethylene oxide adducts..
Further, the pH value of the crystallization product is not more than 11 after step E washings.
Further, 800 DEG C of calcination losses of the mineral foaming warm-mixing agent are 18%~23%.
Compared with prior art, the present invention has the advantage that as follows with effect：
The present invention is activated using conventional kaolin for raw material through hydro-thermal, addition silicon source, silicon source and molecular sieve structure directed agents
Synthetic mineral foaming warm-mixing agent, and using the amophoteric surface active of amide groups fat polyamine, improving surfactant reduces interface
The ability of tension force, the lipophile of enhancing mineral foaming warm-mixing agent, improves its water stabilizing in asphalt.In addition,
When mixture produces, mineral foaming warm-mixing agent, which is heated, discharges water outlet, and water is with adsorbing the amide groups in warm-mixing agent molecular sieve pore passage
Fat polyamine, which combines, to carry out pitch fretting map and plays emulsification, and " moisture film " is formed in asphalt and aggregate, improve construction and
Yi Xing.Mineral foaming warm-mixing agent provided by the invention solves its stability of asphalt mixture of foaming warm-mixing agent in the prior art
Can be poor the problem of, further improve construction workability, and material is easy to get, cost is relatively low, and preparation method is simple.
【Embodiment】
With reference to specific embodiment, technical solution of the present invention is further elaborated.
Embodiment 1：
A kind of mineral foaming warm-mixing agent, is made of the raw material of following parts by weight：20 parts of kaolin, 5 parts of sodium hydroxide, silicon source
10 parts, 13 parts of silicon source, 0.5 part of molecular sieve structure directed agents, 1 part of amide groups fat polyamine.
The present embodiment also provides a kind of preparation method of mineral foaming warm-mixing agent, includes the following steps：
5 parts of sodium hydroxides are dissolved in 50 parts of water, 20 parts of kaolin mix with sodium hydroxide solution to be placed on high pressure anti-
Answer in kettle, be heated to 180 DEG C when activation process 8 is small under the conditions of pressing；Water is added after cooling with amount of makeup water, is stirred
It is even, while 10 parts of silicon sources and 13 parts of silicon sources are added, allocate the mol ratio of material；Add 0.5 part of X-type molecular sieve structure directing
Agent, is uniformly mixed；Under the conditions of 70 DEG C it is still aging 12 it is small when；Mixture after the ageing crystallization 3 under the conditions of 110 DEG C is small
When；Crystallization product is washed, then adds 1 part of amide groups fat polyamine in crystallization product, filtering, does under the conditions of 60 DEG C
It is dry, obtain mineral foaming warm-mixing agent.
Embodiment 2：
A kind of mineral foaming warm-mixing agent, is made of the raw material of following parts by weight：40 parts of kaolin, 10 parts of sodium hydroxide, silicon
20 parts of source, 25 parts of silicon source, 2 parts of molecular sieve structure directed agents, 1 part of amide groups fat polyamine.
The present embodiment also provides a kind of preparation method of mineral foaming warm-mixing agent, includes the following steps：
10 parts of sodium hydroxides are dissolved in 100 parts of water, 40 parts of kaolin are mixed with sodium hydroxide solution and are placed on high pressure
In reaction kettle, 240 DEG C are heated to when activation process 4 is small under the conditions of pressing；Water is added after cooling with amount of makeup water, is stirred
Uniformly, while 20 parts of silicon sources and 25 parts of silicon sources are added, allocates the mol ratio of material；Add 1 part of X-type molecular sieve structure directing
Agent, is uniformly mixed；Under the conditions of 90 DEG C it is still aging 8 it is small when；Mixture after the ageing crystallization 10 under the conditions of 90 DEG C is small
When；Crystallization product is washed, then adds 3 parts of amide groups fat polyamines in crystallization product, filtering, does under the conditions of 80 DEG C
It is dry, obtain mineral foaming warm-mixing agent.
Embodiment 3：
A kind of mineral foaming warm-mixing agent, is made of the raw material of following parts by weight：30 parts of kaolin, 8 parts of sodium hydroxide, silicon source
16 parts, 19 parts of silicon source, 1.5 parts of molecular sieve structure directed agents, 2 parts of amide groups fat polyamine.
The present embodiment also provides a kind of preparation method of mineral foaming warm-mixing agent, includes the following steps：
8 parts of sodium hydroxides are dissolved in 80 parts of water, 30 parts of kaolin mix with sodium hydroxide solution to be placed on high pressure anti-
Answer in kettle, be heated to 200 DEG C when activation process 6 is small under the conditions of pressing；Water is added after cooling with amount of makeup water, is stirred
It is even, while 16 parts of silicon sources and 19 parts of silicon sources are added, allocate the mol ratio of material；1 part of X-type molecular sieve structure directing agent is added,
It is uniformly mixed；Under the conditions of 80 DEG C it is still aging 9 it is small when；Mixture after ageing is when crystallization 8 is small under the conditions of 100 DEG C；
Crystallization product to be washed, then adds 2 parts of amide groups fat polyamines in crystallization product, filtering is dry under the conditions of 80 DEG C,
Obtain mineral foaming warm-mixing agent.
Embodiment 4：
A kind of mineral foaming warm-mixing agent, is made of the raw material of following parts by weight：25 parts of kaolin, 7 parts of sodium hydroxide, silicon source
14 parts, 17 parts of silicon source, 2 parts of molecular sieve structure directed agents, 2.5 parts of amide groups fat polyamine.
The present embodiment also provides a kind of preparation method of mineral foaming warm-mixing agent, includes the following steps：
7 parts of sodium hydroxides are dissolved in 80 parts of water, 25 parts of kaolin mix with sodium hydroxide solution to be placed on high pressure anti-
Answer in kettle, be heated to 220 DEG C when activation process 7 is small under the conditions of pressing；Water is added after cooling with amount of makeup water, is stirred
It is even, while 14 parts of silicon sources and 17 parts of silicon sources are added, allocate the mol ratio of material；2 parts of X-type molecular sieve structure directing agents are added,
It is uniformly mixed；Under the conditions of 90 DEG C it is still aging 8 it is small when；Mixture after ageing is when crystallization 8 is small under the conditions of 100 DEG C；
Crystallization product to be washed, then adds 2 parts of amide groups fat polyamines in crystallization product, filtering is dry under the conditions of 80 DEG C,
Obtain mineral foaming warm-mixing agent.
Comparative example 1：
Using the Aspha-min mineral foaming warm-mixing agent of the PR companies bought on the market.
Indoor asphalt mixture test method：
(1) addition of gathering materials after heating is mixed and stirred in pot, adds pitch, mineral foaming warm-mixing agent is sprinkling upon the table of pitch
120s is mixed and stirred in face,
(2) add miberal powder and mix and stir 90s, take the dish out of the pot shaping；
Note：Method for testing and detecting is according to existing《Highway engineering pitch and Asphalt Mixture Experiment code》(JTG E20-
2011) method as defined in performs.
The experiment of the present invention uses AC-13 asphalts, and pitch is the heavy traffic paving asphalt of Nanjing 70, is met after testing《It is public
Road Asphalt Pavement Construction Technique specification》The requirement of (JTG F40-2004) to A grades of standards of No. 70 bi tumenf orr oads.
AC-13 Bituminous Mixture Ratios use diabase：10-20mm rubbles, 10-15mm rubbles, 5-10mm rubbles,
0-5 aggregate chips.Meet after testing《Standard specification for construction and acceptance of highway asphalt pavement》(JTG F40-2004) is to asphalt surface course matter of gathering materials
Amount requires.AC-13 Filler in Asphalt Concrete uses limestone mineral powder, meets after testing《Standard specification for construction and acceptance of highway asphalt pavement》
(JTG F40-2004) requires asphalt surface course with packing quality.Grading data see the table below 1.
1 AC-13 mixture gradation type lists of table
End properties test obtained by embodiment：According to《Standard specification for construction and acceptance of highway asphalt pavement》(JTG F40-2004) heat
Asphalt mixture mixing proportion design method is mixed, carries out Marshall asphalt optimum content design experiment.
Embodiment and comparative example test technology temperature control：
(1) the drying temperature gathered materials is 150 DEG C；
(2) asphalt heating temperature is 150 DEG C；
(3) mix temperature is 140 DEG C (forming machine preheating temperature is 100 ± 5 DEG C.Small-sized compaction hammer is put into 100 ± 5 DEG C of baking
1h is preheated in case)；
(4) drop temperature is not less than 125 DEG C；
(5) forming temperature is not less than 120 DEG C
The performance of asphalt mixture index of embodiment 1~4 and comparative example 1 see the table below 2.
2 performance of asphalt mixture index of table
By upper table 2 as can be seen that the mineral of the admixture present invention foam after warm-mixing agent, the sky of each test specimen in embodiment 1~4
Gap rate all decreases compared with comparative example 1, illustrates to add the more conducively compacting of mixture after mineral of the present invention foaming warm-mixing agent, also adds
Add the workability of its mixture of warm-mixing agent of the present invention more preferable；The water stabilizing of embodiment 1~4 is significantly improved compared with comparative example 1, therefore
The water resistant stability of asphalt significantly improves；The dynamic stability and low temperature for finding the embodiment of the present invention 1~4 are contrasted at the same time
Failure strain and comparative example 1 are slightly lifted, and are illustrated after the asphalt modifier of the present invention to the cryogenic property of asphalt
Improve；In conclusion addition anti-rut agent property indices of the present invention all make moderate progress, and property indices satisfaction according to
《Standard specification for construction and acceptance of highway asphalt pavement》(JTG F40-2004) associated specifications.
The foregoing is merely the embodiment of the present invention, is not intended to limit the scope of the invention, every to utilize this hair
The equivalent structure or equivalent flow shift that bright specification is made, is directly or indirectly used in other related technical areas,
Similarly it is included within the scope of the present invention.
Claims (10)
- The warm-mixing agent 1. a kind of mineral foam, it is characterised in that be made of the raw material of following parts by weight：20~40 parts of kaolin, hydrogen 5~10 parts of sodium oxide molybdena, 10~20 parts of silicon source, 13~25 parts of silicon source, 0.5~2 part of molecular sieve structure directed agents, amide groups fat are more 1~3 part of amine.
- 2. a kind of mineral foaming warm-mixing agent according to claim 1 stated, it is characterised in that the kaolin is high for calcining Ridge soil, particle diameter are less than 200 mesh.
- 3. a kind of mineral foaming warm-mixing agent according to claim 1 stated, it is characterised in that the silicon source is sodium metasilicate Or waterglass.
- 4. a kind of mineral foaming warm-mixing agent according to claim 1 stated, it is characterised in that the silicon source is sodium aluminate Or aluminium hydroxide.
- 5. a kind of mineral foaming warm-mixing agent according to claim 1 stated, it is characterised in that the molecular sieve structure is oriented to Agent is X-type molecular sieve.
- 6. according to the preparation method of any mineral foaming warm-mixing agents of claim 1-5, it is characterised in that concretely comprise the following steps：A. kaolin is mixed with sodium hydroxide solution and be placed in autoclave, be heated to 180~240 DEG C from press strip part 4~8h of lower activation process；B. water is added after cooling down with amount of makeup water, is uniformly mixed, while adds silicon source and silicon source, allocates mole matching somebody with somebody for material Than；C. molecular sieve structure directed agents are added, are uniformly mixed；Still aging 8~12h under the conditions of 70~90 DEG C；D. by the mixture after ageing obtained by step C under the conditions of 90~110 DEG C 3~10h of crystallization；E. crystallization product obtained by step D is washed, then to amide groups fat polyamine is added in crystallization product, is filtered, It is dry under the conditions of 60~80 DEG C, obtain mineral foaming warm-mixing agent.
- 7. the preparation method of mineral foaming warm-mixing agent according to claim 6, it is characterised in that each materials of step B Mol ratio：Na2O：Al2O3：SiO2：H2O=2~3：1：3~5：110~180.
- 8. the preparation method of the mineral foaming warm-mixing agent according to claim 1-6, it is characterised in that the amide groups fat Polyamines is C12-C18 fat-based ethylene oxide adducts.
- 9. the preparation method of mineral foaming warm-mixing agent according to claim 6, it is characterised in that described after step E washings The pH value of crystallization product is less than 11.
- 10. the preparation method of mineral foaming warm-mixing agent according to claim 6, it is characterised in that the mineral foaming temperature 800 DEG C of calcination losses for mixing agent are 18%~23%.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711367545.6A CN108033461A (en) | 2017-12-18 | 2017-12-18 | A kind of mineral foaming warm-mixing agent and preparation method thereof |
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| CN201711367545.6A CN108033461A (en) | 2017-12-18 | 2017-12-18 | A kind of mineral foaming warm-mixing agent and preparation method thereof |
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ID=62099558
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111138080A (en) * | 2020-02-13 | 2020-05-12 | 崇州市蜀玻科学仪器有限责任公司 | High borosilicate glass and preparation method thereof |
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| CN1225335A (en) * | 1998-11-21 | 1999-08-11 | 吉林大学 | Method for synthesizing zeolite molecular sieve using minerals as raw material |
| KR20110130328A (en) * | 2010-05-27 | 2011-12-05 | 주식회사 뉴페이브 | Composition of warm mix asphalt additives containing softening, foaming and lubricating agents |
| CN103773010A (en) * | 2012-10-25 | 2014-05-07 | 中国石油化工股份有限公司 | Hot mix asphalt additive and preparation method thereof |
| CN104559248A (en) * | 2013-10-22 | 2015-04-29 | 中国石油化工股份有限公司 | Cationic pitch warm mixing agent and preparation method thereof |
| CN107501969A (en) * | 2017-10-10 | 2017-12-22 | 唐林元 | One kind foaming viscosity reduction type warm-mixing agent and preparation method thereof |
-
2017
- 2017-12-18 CN CN201711367545.6A patent/CN108033461A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1225335A (en) * | 1998-11-21 | 1999-08-11 | 吉林大学 | Method for synthesizing zeolite molecular sieve using minerals as raw material |
| KR20110130328A (en) * | 2010-05-27 | 2011-12-05 | 주식회사 뉴페이브 | Composition of warm mix asphalt additives containing softening, foaming and lubricating agents |
| CN103773010A (en) * | 2012-10-25 | 2014-05-07 | 中国石油化工股份有限公司 | Hot mix asphalt additive and preparation method thereof |
| CN104559248A (en) * | 2013-10-22 | 2015-04-29 | 中国石油化工股份有限公司 | Cationic pitch warm mixing agent and preparation method thereof |
| CN107501969A (en) * | 2017-10-10 | 2017-12-22 | 唐林元 | One kind foaming viscosity reduction type warm-mixing agent and preparation method thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111138080A (en) * | 2020-02-13 | 2020-05-12 | 崇州市蜀玻科学仪器有限责任公司 | High borosilicate glass and preparation method thereof |
| CN111138080B (en) * | 2020-02-13 | 2022-04-12 | 崇州市蜀玻科学仪器有限责任公司 | High borosilicate glass and preparation method thereof |
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Application publication date: 20180515 |