CN106830797A - A kind of self-healing polymers non-fragment orbit CA mortars based on nano material and preparation method thereof - Google Patents
A kind of self-healing polymers non-fragment orbit CA mortars based on nano material and preparation method thereof Download PDFInfo
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- CN106830797A CN106830797A CN201710051615.0A CN201710051615A CN106830797A CN 106830797 A CN106830797 A CN 106830797A CN 201710051615 A CN201710051615 A CN 201710051615A CN 106830797 A CN106830797 A CN 106830797A
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- 239000004570 mortar (masonry) Substances 0.000 title claims abstract description 63
- 239000012634 fragment Substances 0.000 title claims abstract description 40
- 239000002086 nanomaterial Substances 0.000 title claims abstract description 35
- 229920006299 self-healing polymer Polymers 0.000 title claims abstract description 33
- 238000002360 preparation method Methods 0.000 title claims abstract description 12
- 229920000642 polymer Polymers 0.000 claims abstract description 80
- 239000010426 asphalt Substances 0.000 claims abstract description 68
- 239000002245 particle Substances 0.000 claims abstract description 58
- 239000002775 capsule Substances 0.000 claims abstract description 34
- 239000004576 sand Substances 0.000 claims abstract description 27
- 239000011324 bead Substances 0.000 claims abstract description 25
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 22
- 239000002657 fibrous material Substances 0.000 claims abstract description 20
- 230000001804 emulsifying effect Effects 0.000 claims abstract description 19
- 239000000463 material Substances 0.000 claims abstract description 19
- 239000000843 powder Substances 0.000 claims abstract description 19
- 239000012492 regenerant Substances 0.000 claims abstract description 19
- 230000008929 regeneration Effects 0.000 claims abstract description 17
- 238000011069 regeneration method Methods 0.000 claims abstract description 17
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 15
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 15
- 239000004411 aluminium Substances 0.000 claims abstract description 15
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 15
- 239000004568 cement Substances 0.000 claims abstract description 13
- 239000003365 glass fiber Substances 0.000 claims abstract description 13
- 239000003607 modifier Substances 0.000 claims abstract description 9
- 229920005989 resin Polymers 0.000 claims abstract description 7
- 239000011347 resin Substances 0.000 claims abstract description 7
- 229940113581 uramit Drugs 0.000 claims abstract description 7
- 239000004793 Polystyrene Substances 0.000 claims abstract description 6
- 229920002223 polystyrene Polymers 0.000 claims abstract description 6
- 239000004743 Polypropylene Substances 0.000 claims abstract description 5
- 239000003822 epoxy resin Substances 0.000 claims abstract description 5
- 229920000647 polyepoxide Polymers 0.000 claims abstract description 5
- -1 polypropylene Polymers 0.000 claims abstract description 5
- 229920001155 polypropylene Polymers 0.000 claims abstract description 5
- 239000003995 emulsifying agent Substances 0.000 claims description 17
- 239000003795 chemical substances by application Substances 0.000 claims description 10
- 239000002563 ionic surfactant Substances 0.000 claims description 10
- 150000001412 amines Chemical class 0.000 claims description 9
- 229940000635 beta-alanine Drugs 0.000 claims description 9
- 229920005610 lignin Polymers 0.000 claims description 9
- LZZYPRNAOMGNLH-UHFFFAOYSA-M Cetrimonium bromide Chemical group [Br-].CCCCCCCCCCCCCCCC[N+](C)(C)C LZZYPRNAOMGNLH-UHFFFAOYSA-M 0.000 claims description 8
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 claims description 6
- 229920001732 Lignosulfonate Polymers 0.000 claims description 5
- 239000002253 acid Substances 0.000 claims description 5
- 229920000877 Melamine resin Polymers 0.000 claims description 4
- JDSHMPZPIAZGSV-UHFFFAOYSA-N melamine Chemical compound NC1=NC(N)=NC(N)=N1 JDSHMPZPIAZGSV-UHFFFAOYSA-N 0.000 claims description 4
- 238000003756 stirring Methods 0.000 claims description 4
- 239000004094 surface-active agent Substances 0.000 claims description 4
- 230000003467 diminishing effect Effects 0.000 claims description 2
- 241000196324 Embryophyta Species 0.000 claims 1
- 240000007594 Oryza sativa Species 0.000 claims 1
- 235000007164 Oryza sativa Nutrition 0.000 claims 1
- 235000009566 rice Nutrition 0.000 claims 1
- 230000007774 longterm Effects 0.000 abstract description 6
- 230000032683 aging Effects 0.000 abstract description 3
- 238000003860 storage Methods 0.000 abstract description 3
- UCMIRNVEIXFBKS-UHFFFAOYSA-N beta-aminopropionic acid Natural products NCCC(O)=O UCMIRNVEIXFBKS-UHFFFAOYSA-N 0.000 description 15
- 239000002002 slurry Substances 0.000 description 9
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 7
- 229910052799 carbon Inorganic materials 0.000 description 7
- 239000000203 mixture Substances 0.000 description 7
- 239000008187 granular material Substances 0.000 description 6
- 238000006116 polymerization reaction Methods 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 4
- 150000001875 compounds Chemical class 0.000 description 3
- 229920001807 Urea-formaldehyde Polymers 0.000 description 2
- GZCGUPFRVQAUEE-SLPGGIOYSA-N aldehydo-D-glucose Chemical compound OC[C@@H](O)[C@@H](O)[C@H](O)[C@@H](O)C=O GZCGUPFRVQAUEE-SLPGGIOYSA-N 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 238000005336 cracking Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- MGJURKDLIJVDEO-UHFFFAOYSA-N formaldehyde;hydrate Chemical compound O.O=C MGJURKDLIJVDEO-UHFFFAOYSA-N 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- OMDQUFIYNPYJFM-XKDAHURESA-N (2r,3r,4s,5r,6s)-2-(hydroxymethyl)-6-[[(2r,3s,4r,5s,6r)-4,5,6-trihydroxy-3-[(2s,3s,4s,5s,6r)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxyoxan-2-yl]methoxy]oxane-3,4,5-triol Chemical compound O[C@@H]1[C@@H](O)[C@@H](O)[C@@H](CO)O[C@@H]1OC[C@@H]1[C@@H](O[C@H]2[C@H]([C@@H](O)[C@H](O)[C@@H](CO)O2)O)[C@H](O)[C@H](O)[C@H](O)O1 OMDQUFIYNPYJFM-XKDAHURESA-N 0.000 description 1
- 229920000049 Carbon (fiber) Polymers 0.000 description 1
- 229920000926 Galactomannan Polymers 0.000 description 1
- VBIIFPGSPJYLRR-UHFFFAOYSA-M Stearyltrimethylammonium chloride Chemical compound [Cl-].CCCCCCCCCCCCCCCCCC[N+](C)(C)C VBIIFPGSPJYLRR-UHFFFAOYSA-M 0.000 description 1
- 208000013201 Stress fracture Diseases 0.000 description 1
- 241000276425 Xiphophorus maculatus Species 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- SWLVFNYSXGMGBS-UHFFFAOYSA-N ammonium bromide Chemical compound [NH4+].[Br-] SWLVFNYSXGMGBS-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 210000000481 breast Anatomy 0.000 description 1
- 239000004917 carbon fiber Substances 0.000 description 1
- 125000002091 cationic group Chemical group 0.000 description 1
- 229920003086 cellulose ether Polymers 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 239000004567 concrete Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000013530 defoamer Substances 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- 239000010881 fly ash Substances 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 229910010272 inorganic material Inorganic materials 0.000 description 1
- 239000011147 inorganic material Substances 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000004816 latex Substances 0.000 description 1
- 229920000126 latex Polymers 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- 239000002121 nanofiber Substances 0.000 description 1
- 239000002736 nonionic surfactant Substances 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 125000000913 palmityl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 229920001084 poly(chloroprene) Polymers 0.000 description 1
- 239000004848 polyfunctional curative Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
Classifications
-
- 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
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
-
- 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
- C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
- C04B2201/50—Mortars, concrete or artificial stone characterised by specific physical values for the mechanical strength
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Road Paving Structures (AREA)
Abstract
The present invention provides a kind of self-healing polymers non-fragment orbit CA mortars based on nano material and preparation method thereof, the component of the self-healing polymers non-fragment orbit CA mortars based on nano material, by weight, including 45 65 parts of modified emulsifying asphalt, 20 25 parts of micro-nano polymer beads, 5 10 parts of polymer modifiers, 15 20 parts of polymer selfreparing capsule, 80 100 parts of cement, 50 60 parts of fine sand of regeneration, 15 25 parts of fibrous material containing glass fibre and CNT, 5 10 parts of 20 25 parts of aluminium powder and water reducer, wherein micro-nano polymer beads are polystyrene of the particle diameter less than 5 μm, polypropylene or epoxy resin, the wall material of polymer selfreparing capsule is uramit resin, core is pitch and plant biological type bitumen regenerant.The performance of CA mortars prepared by the present invention is homogeneous, good with long term mechanical strength in early days, ageing-resistant with self-repair function, and preparation method is simple, and storage characteristics are good.
Description
Technical field
The invention belongs to emulsified asphalt slurry field of material technology, and in particular to a kind of selfreparing based on nano material gathers
Compound non-fragment orbit CA mortars and preparation method thereof.
Background technology
With continuing to develop for economic construction, the trip requirements of people also more and more higher, track traffic is gone on a journey as people
One of first-selection.Requirement of the track to roadbed and railway roadbed is higher, and non-fragment orbit is mixed with the preferable concrete of globality or pitch
Solidifying soil bearing bed replaces the stone ballast bed of a prose style free from parallelism, and compared with Ballast track, non-fragment orbit is suitable for high-speed railway, rail electricity
The requirement to high stability, high ride and circuit utilization rate high such as car, city subway, while maintenance capacity is few.Cement-emulsified drip
Blue or green mortar is the composite organic-inorganic material between ballastless track system track plates and floor, and thickness is 30-60mm, plays branch
The effect of support, leveling, absorbing and vibration isolation, is one of key function material and weak link in platy ballastless track structure.
The non-fragment orbit cement emulsified asphalt mortar that China uses mainly is made using cement, emulsified asphalt, sand, additive etc.
To prepare the raw material of cement emulsified asphalt mortar.Plate-type ballastless track CA sand disclosed in Chinese patent CN 101058493B
Slurry and its production method, plate-type ballastless track CA mortars include that CA mortar dry powders, CA mortars emulsifying agent and water are constituted, wherein
CA mortar dry powders are by cement, AEA swelling agents, flyash, cement hardener aluminium powder, defoamer, high efficiency water reducing agent, dispersible breast
Rubber powder, spun yarn, AE air entraining agents, lignocellulosic and cellulose ether composition, CA mortars emulsifying agent are to split slow hardening type cationic galactomannan slowly
Change pitch and polychloroprene latex multiple emulsion, the CA mortars emulsifying agent can well be adhered to cement grains, improve the close of CA mortars
Reality, and the CA mortar dry powders performance for preparing is good, convenient transportation, simple operation, but the getting up early intensity of the CA mortars for preparing
Well, but long-term strength is difficult to ensure that, the easy phenomenon such as cracking.In order to improve the uniformity of CA mortars and steady in a long-term
Property, modified emulsifying asphalt its preparation method disclosed in Chinese patent CN 101508848B and the CA mortars including the emulsified asphalt,
The materials such as polymer modifiers and matrix pitch by particle diameter less than or equal to 5 μm are wanted to combine and prepare modified pitch, then again with sun
Ion and nonionic surfactant are mixed to form mortar, and the particle of the thinning polymer in the mortar can be uniformly dispersed in pitch
In, do not limited by polymer kind, but there was only the network structure of cement formation in mortar, mechanical strength and frost resistance still have
Wait to improve.
The content of the invention
The technical problem to be solved in the present invention is to provide a kind of self-healing polymers non-fragment orbit CA based on nano material
Mortar and preparation method thereof, after emulsified asphalt is modified with micro-nano polymer beads, selfreparing capsule, glass fibre and
Carbon fiber is combined, and the mortar performance for preparing is homogeneous, good with long term mechanical strength in early days, ageing-resistant with self-repair function,
And preparation method is simple, storage characteristics are good.
In order to solve the above technical problems, the technical scheme is that：
A kind of self-healing polymers non-fragment orbit CA mortars based on nano material, the selfreparing based on nano material
The component of polymer non-fragment orbit CA mortars, by weight, including modified emulsifying asphalt 45-65 parts, micro-nano polymer particles
Grain 20-25 parts, polymer modifiers 5-10 parts, 15-20 parts of polymer selfreparing capsule, cement 80-100 parts, fine sand 50-60
Part, fibrous material 15-25 part, aluminium powder 20-25 part and water reducer 5-10 parts, the micro-nano polymer beads are particle diameter less than 5 μ
The polystyrene of m, polypropylene or epoxy resin, the polymer selfreparing capsule include wall material and core, and the wall material is
Uramit resin, the core is pitch and bitumen regenerant.
Used as the preferred of above-mentioned technical proposal, the fibrous material is that length is glass fibre and the carbon nanometer of 0.1-1cm
Pipe.
Used as the preferred of above-mentioned technical proposal, the polymer modifiers is SBS, SBR or NBR.
Used as the preferred of above-mentioned technical proposal, the content of core is not less than 50%, institute in the polymer selfreparing capsule
The mass ratio for stating pitch and bitumen regenerant is 2:1, the bitumen regenerant is plant biological type bitumen regenerant.
As the preferred of above-mentioned technical proposal, the component in the modified emulsifying asphalt, by weight, including asphaltic base
Matter 80-90 parts, asphalt emulsifier 5-8 parts, micro-nano polymer beads 5-10 parts and surfactant 1-10 parts.
Used as the preferred of above-mentioned technical proposal, the asphalt emulsifier is cetyl trimethylammonium bromide, octadecyl
Trimethyl ammonium chloride and lignin amine.
As the preferred of above-mentioned technical proposal, the surfactant be amphoteric ionic surfactant N- lauryls-
Beta-alanine.
Used as the preferred of above-mentioned technical proposal, the fine sand is regeneration fine sand, and the fine sand includes that particle diameter is 0.3-0.5mm
Particle and particle diameter are 0.1-0.2mm particles, and the particle diameter is that 0.3-0.5mm particles and particle diameter are the weight of 0.1-0.2mm particles
Than being 1:1.
Used as the preferred of above-mentioned technical proposal, the water reducer is lignin sulfonate, condensate of melamine and formaldehyde
Or high performance water reducing agent of polyocarboxy acid, the aluminium powder is flakey.
The present invention also provides a kind of preparation method of the self-healing polymers non-fragment orbit CA mortars based on nano material, wraps
Include following steps：
According to formula, modified emulsifying asphalt is added in water, stirred, then stir while add, it is micro-nano
Polymer beads, polymer modifiers, cement, fine sand, fibrous material, polymer selfreparing capsule, aluminium powder 20-25 parts and diminishing
Agent, stirs, and obtains the self-healing polymers non-fragment orbit CA mortars based on nano material.
Compared with prior art, the invention has the advantages that：
(1) modified emulsifying is contained in the self-healing polymers non-fragment orbit CA mortars based on nano material prepared by the present invention
Pitch, contains micro-nano polymer beads and compound emulsifying agent, wherein the grain of micro-nano polymer beads in modified emulsifying asphalt
Footpath is small, is easily uniformly scattered in emulsified asphalt, can obtain toughness and flexible in the case of less use polymer
CA mortars, reduces cost, contain in compound emulsifying agent split soon, in split and slow fragility emulsifying agent, comprehensive adjustment system it is broken
The newborn time, emulsifying capacity is improved, improve early stage and the long-term strength of CA mortars.
(2) polymer is contained in the self-healing polymers non-fragment orbit CA mortars based on nano material prepared by the present invention certainly
Repairing capsule, the core of polymer selfreparing capsule is pitch and bitumen regenerant, and excessive load is received after mortar solidifies
Or having the trend of cracking, the polymer selfreparing capsule in mortar is subject to excessive stress fracture, polymer selfreparing capsule
In pitch and bitumen regenerant pass out, repaired in time and solidified, increase the service life, reduce repair cost,
And the bitumen regenerant for using is plant biological type bitumen regenerant, unrighted acid and grease generation using plant biological
It is economic and environment-friendly for petroleum derived oils.
(3) glass fibre is contained in the self-healing polymers non-fragment orbit CA mortars based on nano material prepared by the present invention
With CNT as fibrous material, glass fibre is grade, and CNT is nanoscale, in the macro-level of mortar and microcosmic
Level builds network, improves the intensity of CA mortars, and does not influence the smooth degree of mortar.
(4) various nanometers are contained in the self-healing polymers non-fragment orbit CA mortars based on nano material prepared by the present invention
Material, nanometer polymer and selfreparing capsule are uniformly distributed in mortar with particle shape, and nanofiber is distributed in network morphology
In mortar, therefore nano material improves the performances such as intensity, the toughness of mortar from multiple angles, has little influence on the smear of mortar
And slickness.
(5) the self-healing polymers non-fragment orbit CA method for preparing mortar based on nano material prepared by the present invention is simple,
Operability is good, and the mortar performance of preparation is homogeneous, good with long term mechanical strength in early days, ageing-resistant with self-repair function, and system
Preparation Method is easy, and storage characteristics are good, the use requirement of composite orbit traffic.
Specific embodiment
Describe the present invention in detail below in conjunction with specific embodiment, herein illustrative examples of the invention and explanation
It is for explaining the present invention but not as a limitation of the invention.
Embodiment 1：
A kind of self-healing polymers non-fragment orbit CA slurry components based on nano material, by weight, including it is modified
45 parts of emulsified asphalt, 20 parts of micro-nano polymer beads, 5 parts of SBS polymer modifying agent, 15 parts of polymer selfreparing capsule, water
5 parts of mud 80- parts, 50 parts of fine sand of regeneration, 15 parts of fibrous material, 20 parts of flakey aluminium powder and lignin sulfonate water reducer.
Wherein micro-nano polymer beads are polystyrene of the particle diameter less than 5 μm, and the wall material of polymer selfreparing capsule is
Uramit resin, core is that mass ratio is 2:1 pitch and plant biological type bitumen regenerant, in polymer selfreparing capsule
The content of core is not less than 50%, and fibrous material is that mass ratio is 1:0.01 length is received for the glass fibre and carbon of 0.1-1cm
Mitron, regeneration fine sand is that weight ratio is 1:1 particle diameter is 0.3-0.5mm particles and particle diameter is 0.1-0.2mm particles.
Wherein, the component in modified emulsifying asphalt, by weight, including 80 parts of bitumen base, mass ratio are 1:1:1
5 parts of the asphalt emulsifier of cetyl trimethylammonium bromide, OTAC and lignin amine, micro-nano polymerization
5 parts of composition granule and amphoteric ionic surfactant N- lauryls -1 part of Beta-alanine.
Embodiment 2：
A kind of self-healing polymers non-fragment orbit CA slurry components based on nano material, by weight, including it is modified
65 parts of emulsified asphalt, 25 parts of micro-nano polymer beads, 10 parts of SBR polymer modifiers, 20 parts of polymer selfreparing capsule, water
100 parts of mud, 60 parts of fine sand of regeneration, 25 parts of fibrous material, 25 parts of flakey aluminium powder and condensate of melamine and formaldehyde water reducer 10
Part.
Wherein micro-nano polymer beads are polypropylene of the particle diameter less than 5 μm, and the wall material of polymer selfreparing capsule is poly-
Urea formaldehyde resin, core is that mass ratio is 2:1 pitch and plant biological type bitumen regenerant, polymer selfreparing capsule SMIS
The content of material is not less than 50%, and fibrous material is that mass ratio is 1:0.1 length is glass fibre and the carbon nanometer of 0.1-1cm
Pipe, regeneration fine sand is that weight ratio is 1:1 particle diameter is 0.3-0.5mm particles and particle diameter is 0.1-0.2mm particles.
Wherein, the component in modified emulsifying asphalt, by weight, including 90 parts of bitumen base, mass ratio are 1:1:1
8 parts of the asphalt emulsifier of cetyl trimethylammonium bromide, OTAC and lignin amine, micro-nano polymerization
10 parts of composition granule and amphoteric ionic surfactant N- lauryls -10 parts of Beta-alanine.
Embodiment 3：
A kind of self-healing polymers non-fragment orbit CA slurry components based on nano material, by weight, including it is modified
50 parts of emulsified asphalt, 23 parts of micro-nano polymer beads, 7 parts of NBR polymer modifying agent, 18 parts of polymer selfreparing capsule, water
5 parts of 95 parts of mud, 55 parts of fine sand of regeneration, 20 parts of fibrous material, 21 parts of flakey aluminium powder and high performance water reducing agent of polyocarboxy acid.
Wherein micro-nano polymer beads are epoxy resin of the particle diameter less than 5 μm, and the wall material of polymer selfreparing capsule is
Uramit resin, core is that mass ratio is 2:1 pitch and plant biological type bitumen regenerant, in polymer selfreparing capsule
The content of core is not less than 50%, and fibrous material is that mass ratio is 1:0.05 length is received for the glass fibre and carbon of 0.1-1cm
Mitron, regeneration fine sand is that weight ratio is 1:1 particle diameter is 0.3-0.5mm particles and particle diameter is 0.1-0.2mm particles.
Wherein, the component in modified emulsifying asphalt, by weight, including 85 parts of bitumen base, mass ratio are 1:1:1
6 parts of the asphalt emulsifier of cetyl trimethylammonium bromide, OTAC and lignin amine, micro-nano polymerization
8 parts of composition granule and amphoteric ionic surfactant N- lauryls -6 parts of Beta-alanine.
Embodiment 4：
A kind of self-healing polymers non-fragment orbit CA slurry components based on nano material, by weight, including it is modified
60 parts of emulsified asphalt, 22 parts of micro-nano polymer beads, 7 parts of SBS polymer modifying agent, 18 parts of polymer selfreparing capsule, water
8 parts of 85 parts of mud, 52 parts of fine sand of regeneration, 19 parts of fibrous material, 24 parts of flakey aluminium powder and lignin sulfonate water reducer.
Wherein micro-nano polymer beads are polypropylene of the particle diameter less than 5 μm, and the wall material of polymer selfreparing capsule is poly-
Urea formaldehyde resin, core is that mass ratio is 2:1 pitch and plant biological type bitumen regenerant, polymer selfreparing capsule SMIS
The content of material is not less than 50%, and fibrous material is that mass ratio is 1:0.07 length is glass fibre and the carbon nanometer of 0.1-1cm
Pipe, regeneration fine sand is that weight ratio is 1:1 particle diameter is 0.3-0.5mm particles and particle diameter is 0.1-0.2mm particles.
Wherein, the component in modified emulsifying asphalt, by weight, including 84 parts of bitumen base, mass ratio are 1:1:1
7 parts of the asphalt emulsifier of cetyl trimethylammonium bromide, OTAC and lignin amine, micro-nano polymerization
9 parts of composition granule and amphoteric ionic surfactant N- lauryls -3 parts of Beta-alanine.
Embodiment 5：
A kind of self-healing polymers non-fragment orbit CA slurry components based on nano material, by weight, including it is modified
56 parts of emulsified asphalt, 23 parts of micro-nano polymer beads, 7 parts of NBR polymer modifying agent, 18 parts of polymer selfreparing capsule, water
7 parts of 95 parts of mud, 54 parts of fine sand of regeneration, 21 parts of fibrous material, 23 parts of flakey aluminium powder and high performance water reducing agent of polyocarboxy acid.
Wherein micro-nano polymer beads are epoxy resin of the particle diameter less than 5 μm, and the wall material of polymer selfreparing capsule is
Uramit resin, core is that mass ratio is 2:1 pitch and plant biological type bitumen regenerant, in polymer selfreparing capsule
The content of core is not less than 50%, and fibrous material is that mass ratio is 1:0.03 length is received for the glass fibre and carbon of 0.1-1cm
Mitron, regeneration fine sand is that weight ratio is 1:1 particle diameter is 0.3-0.5mm particles and particle diameter is 0.1-0.2mm particles.
Wherein, the component in modified emulsifying asphalt, by weight, including 83 parts of bitumen base, mass ratio are 1:1:1
5 parts of the asphalt emulsifier of cetyl trimethylammonium bromide, OTAC and lignin amine, micro-nano polymerization
7 parts of composition granule and amphoteric ionic surfactant N- lauryls -4 parts of Beta-alanine.
Embodiment 6：
A kind of self-healing polymers non-fragment orbit CA slurry components based on nano material, by weight, including it is modified
53 parts of emulsified asphalt, 24 parts of micro-nano polymer beads, 8 parts of NBR polymer modifying agent, 16 parts of polymer selfreparing capsule, water
9 parts of 85 parts of mud, 53 parts of fine sand of regeneration, 21 parts of fibrous material, 22 parts of flakey aluminium powder and condensate of melamine and formaldehyde water reducer.
Wherein micro-nano polymer beads are polystyrene of the particle diameter less than 5 μm, and the wall material of polymer selfreparing capsule is
Uramit resin, core is that mass ratio is 2:1 pitch and plant biological type bitumen regenerant, in polymer selfreparing capsule
The content of core is not less than 50%, and fibrous material is that mass ratio is 1:0.03 length is received for the glass fibre and carbon of 0.1-1cm
Mitron, regeneration fine sand is that weight ratio is 1:1 particle diameter is 0.3-0.5mm particles and particle diameter is 0.1-0.2mm particles.
Wherein, the component in modified emulsifying asphalt, by weight, including 84 parts of bitumen base, mass ratio are 1:1:1
7 parts of the asphalt emulsifier of cetyl trimethylammonium bromide, OTAC and lignin amine, micro-nano polymerization
8 parts of composition granule and amphoteric ionic surfactant N- lauryls -3 parts of Beta-alanine.
Comparative example：
A kind of polymer non-fragment orbit CA slurry components, by weight, including 45 parts of modified emulsifying asphalt, polystyrene
20 parts of particle, 5 parts of SBS polymer modifying agent, cement 80- parts, regeneration 50 parts of fine sand, length for 0.1-1cm glass fibre 15
5 parts of part, 20 parts of flakey aluminium powder and lignin sulfonate water reducer.
Wherein regeneration fine sand is that weight ratio is 1:1 particle diameter is 0.3-0.5mm particles and particle diameter is 0.1-0.2mm particles,
Component in modified emulsifying asphalt, by weight, including 80 parts of bitumen base, mass ratio are 1:1:1 cetyl front three
5 parts of the asphalt emulsifier of base ammonium bromide, OTAC and lignin amine, 5 parts of micro-nano polymer beads and
Amphoteric ionic surfactant N- lauryls -1 part of Beta-alanine.
After testing, the self-healing polymers non-fragment orbit CA mortars based on nano material that prepared by embodiment 1-6 and existing
There are mobility, mortar state, mechanical strength, freeze-thaw resistance and the self-healing properties of the polymer non-fragment orbit CA mortars of technology
Result is as follows：
As seen from the above table, the flowing of the self-healing polymers non-fragment orbit CA mortars based on nano material prepared by the present invention
Property is good, and mortar is in stable condition, mechanical strength, and freeze-thaw resistance and self-healing properties are good.
The above-described embodiments merely illustrate the principles and effects of the present invention, not for the limitation present invention.It is any ripe
The personage for knowing this technology all can carry out modifications and changes under without prejudice to spirit and scope of the invention to above-described embodiment.Cause
This, those of ordinary skill in the art is complete with institute under technological thought without departing from disclosed spirit such as
Into all equivalent modifications or change, should be covered by claim of the invention.
Claims (10)
1. a kind of self-healing polymers non-fragment orbit CA mortars based on nano material, it is characterised in that：It is described based on nanometer material
The component of the self-healing polymers non-fragment orbit CA mortars of material, by weight, including modified emulsifying asphalt 45-65 parts, micro-nano
Rice 20-25 parts of polymer beads, polymer modifiers 5-10 parts, 15-20 parts of polymer selfreparing capsule, cement 80-100 parts,
Fine sand 50-60 parts, fibrous material 15-25 parts, aluminium powder 20-25 parts and water reducer 5-10 parts, the micro-nano polymer beads are
Polystyrene of the particle diameter less than 5 μm, polypropylene or epoxy resin, the polymer selfreparing capsule include wall material and core,
The wall material is uramit resin, and the core is pitch and bitumen regenerant.
2. a kind of self-healing polymers non-fragment orbit CA mortars based on nano material according to claim 1, its feature
It is：The fibrous material is that length is the glass fibre and CNT of 0.1-1cm.
3. a kind of self-healing polymers non-fragment orbit CA mortars based on nano material according to claim 1, its feature
It is：The polymer modifiers is SBS, SBR or NBR.
4. a kind of self-healing polymers non-fragment orbit CA mortars based on nano material according to claim 1, its feature
It is：The content of core is not less than 50% in the polymer selfreparing capsule, the mass ratio of the pitch and bitumen regenerant
It is 2:1, the bitumen regenerant is plant biological type bitumen regenerant.
5. a kind of self-healing polymers non-fragment orbit CA mortars based on nano material according to claim 1, its feature
It is：Component in the modified emulsifying asphalt, by weight, including bitumen base 80-90 parts, asphalt emulsifier 5-8 parts,
Micro-nano polymer beads 5-10 parts and surfactant 1-10 parts.
6. a kind of self-healing polymers non-fragment orbit CA mortars based on nano material according to claim 5, its feature
It is：The asphalt emulsifier is cetyl trimethylammonium bromide, OTAC and lignin amine.
7. a kind of self-healing polymers non-fragment orbit CA mortars based on nano material according to claim 5, its feature
It is：The surfactant is amphoteric ionic surfactant N- lauryls-Beta-alanine.
8. a kind of self-healing polymers non-fragment orbit CA mortars based on nano material according to claim 1, its feature
It is：The fine sand is regeneration fine sand, and the fine sand includes that particle diameter is that 0.3-0.5mm particles and particle diameter are 0.1-0.2mm particles,
The particle diameter is 0.3-0.5mm particles and particle diameter for the weight ratio of 0.1-0.2mm particles is 1:1.
9. a kind of self-healing polymers non-fragment orbit CA mortars based on nano material according to claim 1, its feature
It is：The water reducer be lignin sulfonate, condensate of melamine and formaldehyde or high performance water reducing agent of polyocarboxy acid, it is described
Aluminium powder is flakey.
10. a kind of preparation method of the self-healing polymers non-fragment orbit CA mortars based on nano material, it is characterised in that including
Following steps：According to formula, modified emulsifying asphalt is added in water, stirred, then stir while add, it is micro-nano
Polymer beads, polymer modifiers, cement, fine sand, fibrous material, polymer selfreparing capsule, aluminium powder 20-25 parts and diminishing
Agent, stirs, and obtains the self-healing polymers non-fragment orbit CA mortars based on nano material.
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| CN109535749A (en) * | 2018-11-14 | 2019-03-29 | 山东建筑大学 | A kind of carbon nanotube SBS composite modified asphalt and preparation method thereof |
| CN111320436A (en) * | 2020-03-16 | 2020-06-23 | 浙江工业大学 | Design and preparation method of carbon nanotube panel concrete mixing proportion |
| CN112250830A (en) * | 2020-09-24 | 2021-01-22 | 长安大学 | Environment-friendly road microcapsule, preparation method thereof and application of illegal cooking oil |
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Denomination of invention: A self-healing polymer ballastless track CA mortar based on nanomaterials and its preparation method Granted publication date: 20190329 Pledgee: Zhejiang Shaoxing Hengxin Rural Commercial Bank Co.,Ltd. Jianhu Sub branch Pledgor: ZHEJIANG YISEN TECHNOLOGY Co.,Ltd. Registration number: Y2024980039380 |