CN112125702B - Light-transmitting cement based on mechanoluminescence and preparation method thereof - Google Patents
Light-transmitting cement based on mechanoluminescence and preparation method thereof Download PDFInfo
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- CN112125702B CN112125702B CN202010966949.2A CN202010966949A CN112125702B CN 112125702 B CN112125702 B CN 112125702B CN 202010966949 A CN202010966949 A CN 202010966949A CN 112125702 B CN112125702 B CN 112125702B
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- 238000005166 mechanoluminescence Methods 0.000 title claims abstract description 78
- 238000002360 preparation method Methods 0.000 title claims abstract description 15
- 239000000463 material Substances 0.000 claims abstract description 74
- 239000002002 slurry Substances 0.000 claims description 44
- 239000012752 auxiliary agent Substances 0.000 claims description 20
- 239000000654 additive Substances 0.000 claims description 16
- 230000000996 additive effect Effects 0.000 claims description 15
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- 230000001070 adhesive effect Effects 0.000 claims description 15
- 229910052751 metal Inorganic materials 0.000 claims description 15
- 239000002184 metal Substances 0.000 claims description 15
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 13
- 239000011230 binding agent Substances 0.000 claims description 12
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 12
- 229910044991 metal oxide Inorganic materials 0.000 claims description 11
- 150000004706 metal oxides Chemical class 0.000 claims description 11
- 239000012621 metal-organic framework Substances 0.000 claims description 11
- 239000011368 organic material Substances 0.000 claims description 11
- 239000011347 resin Substances 0.000 claims description 11
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- 239000011248 coating agent Substances 0.000 claims description 10
- 238000000576 coating method Methods 0.000 claims description 10
- 239000005084 Strontium aluminate Substances 0.000 claims description 8
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 8
- 229910052802 copper Inorganic materials 0.000 claims description 8
- 239000010949 copper Substances 0.000 claims description 8
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
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- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 claims description 7
- 239000002562 thickening agent Substances 0.000 claims description 7
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- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 4
- 239000011083 cement mortar Substances 0.000 claims description 4
- 229910052748 manganese Inorganic materials 0.000 claims description 4
- 239000011572 manganese Substances 0.000 claims description 4
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 claims description 4
- 229920000620 organic polymer Polymers 0.000 claims description 4
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- NBVXSUQYWXRMNV-UHFFFAOYSA-N fluoromethane Chemical compound FC NBVXSUQYWXRMNV-UHFFFAOYSA-N 0.000 description 2
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Images
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
- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/60—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone of only artificial stone
- C04B41/61—Coating or impregnation
- C04B41/70—Coating or impregnation for obtaining at least two superposed coatings having different compositions
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B13/00—Layered products comprising a a layer of water-setting substance, e.g. concrete, plaster, asbestos cement, or like builders' material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B13/00—Layered products comprising a a layer of water-setting substance, e.g. concrete, plaster, asbestos cement, or like builders' material
- B32B13/04—Layered products comprising a a layer of water-setting substance, e.g. concrete, plaster, asbestos cement, or like builders' material comprising such water setting substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
- B32B7/04—Interconnection of layers
- B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
-
- 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
- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/45—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements
- C04B41/52—Multiple coating or impregnating multiple coating or impregnating with the same composition or with compositions only differing in the concentration of the constituents, is classified as single coating or impregnation
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K11/00—Luminescent, e.g. electroluminescent, chemiluminescent materials
- C09K11/02—Use of particular materials as binders, particle coatings or suspension media therefor
- C09K11/025—Use of particular materials as binders, particle coatings or suspension media therefor non-luminescent particle coatings or suspension media
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K11/00—Luminescent, e.g. electroluminescent, chemiluminescent materials
- C09K11/08—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials
- C09K11/57—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing manganese or rhenium
- C09K11/572—Chalcogenides
- C09K11/574—Chalcogenides with zinc or cadmium
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K11/00—Luminescent, e.g. electroluminescent, chemiluminescent materials
- C09K11/08—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials
- C09K11/77—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing rare earth metals
- C09K11/7715—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing rare earth metals containing cerium
- C09K11/7716—Chalcogenides
- C09K11/7717—Chalcogenides with zinc or cadmium
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2255/00—Coating on the layer surface
- B32B2255/20—Inorganic coating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2419/00—Buildings or parts thereof
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Structural Engineering (AREA)
- Ceramic Engineering (AREA)
- Inorganic Chemistry (AREA)
- Luminescent Compositions (AREA)
Abstract
The invention discloses a light-transmitting cement based on mechanoluminescence and a preparation method thereof, wherein the preparation method comprises the following steps: the light-emitting device comprises at least two light-transmitting cement layers and a plurality of first light-emitting layers, wherein the at least two light-transmitting cement layers are bonded through the plurality of first light-emitting layers, a second light-emitting layer is arranged between the at least two light-transmitting cement layers and the first light-emitting layers, and the first light-emitting layer and the second light-emitting layer both comprise a mechanoluminescence material. According to the invention, the first light-emitting layer and the second light-emitting layer containing the mechanoluminescence material are introduced to the surfaces of the at least two light-transmitting cement layers, and under the action of mechanical force, the mechanoluminescence material can excite visible light and pass through the light-transmitting cement layers, so that the light-transmitting cement has a self-luminous characteristic, the energy waste caused by an external light source is avoided, the light-transmitting cement can be directly laid on a traffic road or a building with a demand, the light-transmitting cement is green and environment-friendly, the energy is saved, and the safety and the artistry can be provided for the life.
Description
Technical Field
The invention relates to the technical field of cement, in particular to light-transmitting cement based on mechanoluminescence and a preparation method thereof.
Background
The light-transmitting cement, invented for the first time by Aron losonici, also called light-transmitting concrete, achieves the transparent characteristic of cement materials by embedding light-guiding materials (such as optical fibers or light-transmitting resins, etc.) in cement mortar. The addition of the light guide material not only keeps the original firmness of the building, but also plays a role in making a clunked wall body transparent. However, the conventional light-transmitting cement mainly depends on the action of an external light source, such as natural illumination or artificial illumination, so that a large amount of energy is consumed every year.
Accordingly, the prior art is yet to be improved and developed.
Disclosure of Invention
The invention aims to solve the technical problem that in order to overcome the defects in the prior art, the invention provides the light-transmitting cement based on the forced luminescence and the preparation method thereof, and aims to solve the problem that the traditional light-transmitting cement mainly depends on the action of an external light source to cause the consumption of a large amount of energy.
The technical scheme adopted by the invention for solving the technical problem is as follows: a light-transmitting cement based on mechanoluminescence, comprising: the light-emitting device comprises at least two light-transmitting cement layers and a plurality of first light-emitting layers, wherein the at least two light-transmitting cement layers are bonded through the plurality of first light-emitting layers, a second light-emitting layer is arranged between the at least two light-transmitting cement layers and the first light-emitting layers, and the first light-emitting layer and the second light-emitting layer both comprise a mechanoluminescence material.
The light-transmitting cement based on the mechanoluminescence is characterized in that the mechanoluminescence material is a composite material consisting of ZnS doped with metal or metal oxide and an organic material.
The light-transmitting cement based on mechanoluminescence is characterized in that the metal is one or more of Fe, Co, Ni, Mn and Cu; the metal oxide is Al2O3、SrO、Sr3Al2O6One or more of (a).
The light-transmitting cement based on mechanoluminescence is characterized in that the organic material is one or more of an organic polymer material, a metal organic framework material and a covalent organic framework material; the metal in the metal organic framework material is one or more of manganese, copper, iron, zinc, nickel and cerium.
The light-transmitting cement based on mechanoluminescence is characterized in that the first luminescent layer and the second luminescent layer both further comprise additives; the additive comprises one or more of resin, pigment and auxiliary agent; the auxiliary agent comprises one or more of a dispersing agent, a defoaming agent, a bactericide, a film-forming auxiliary agent, a curing agent, a thickening agent and a wetting agent.
The light-transmitting cement based on mechanoluminescence, wherein the first light-emitting layer further comprises a binder; the adhesive is one or two of epoxy resin adhesive and water glass adhesive.
A preparation method of light-transmitting cement based on mechanoluminescence comprises the following steps:
coating the slurry added with the mechanoluminescence material on the surfaces of at least two light-transmitting cement layers to form a second light-emitting layer on the surfaces of the at least two light-transmitting cement layers;
adding a binder into the slurry, and coating the binder-added slurry on the surface of the second light-emitting layer away from the at least two light-transmitting cement layers to form a first light-emitting layer;
and bonding the at least two light-transmitting cement layers through the first light-emitting layer to obtain the light-transmitting cement based on mechanoluminescence.
The preparation method of the light-transmitting cement based on the mechanoluminescence comprises the step of preparing a composite material consisting of ZnS doped with metal or metal oxide and an organic material by using a mechanoluminescence material.
The preparation method of the light-transmitting cement based on mechanoluminescence comprises the following steps of:
adding the mechanoluminescence material and an additive to water to form a slurry; wherein the additive comprises one or more of a resin, a pigment and an auxiliary agent; the auxiliary agent comprises one or more of a dispersing agent, a defoaming agent, a bactericide, a film-forming auxiliary agent, a curing agent, a thickening agent and a wetting agent.
The preparation method of the light-transmitting cement based on mechanoluminescence comprises the step of preparing a mechanoluminescence material, wherein the mass of the mechanoluminescence material is 2-50% of that of the slurry.
The invention has the beneficial effects that: according to the invention, the first light-emitting layer and the second light-emitting layer containing the mechanoluminescence material are introduced to the surfaces of the at least two light-transmitting cement layers, and under the action of mechanical force, the mechanoluminescence material can excite visible light and pass through the light-transmitting cement layers, so that the light-transmitting cement has a self-luminous characteristic, and the energy waste caused by an external light source is avoided. The light-transmitting cement based on mechanoluminescence has the characteristics of high sensitivity, high brightness and quick self-recovery, can be directly paved on traffic roads or buildings with requirements, is green, environment-friendly and energy-saving, and can provide safety and artistry for the life of people.
Drawings
FIG. 1 is a schematic structural diagram of a light-transmitting cement based on mechanoluminescence, provided by the present invention;
fig. 2 is a flow chart of a preferred embodiment of the preparation method of the light-transmitting cement based on mechanoluminescence, provided by the invention.
Detailed Description
The invention provides light-transmitting cement based on mechanoluminescence and a preparation method thereof, and the invention is further described in detail below in order to make the purpose, technical scheme and advantages of the invention clearer and clearer. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The traditional light-transmitting cement mainly depends on the action of an external light source, such as natural illumination or artificial illumination, so that a large amount of energy is consumed every year. In order to solve the above problem, the present embodiment provides a light-transmitting cement based on mechanoluminescence, the specific structure of which is shown in fig. 1, and the mechanoluminescence cement includes: at least two light-transmitting cement layers 1 and a plurality of first light-emitting layers 2, the at least two light-transmitting cement layers 1 being composed of cement mortar doped with a light-guiding material such as an optical fiber or a light-transmitting resin, and being transparent to visible light. The at least two light-transmitting cement layers 1 are bonded through the plurality of first light-emitting layers 2, a second light-emitting layer 3 is arranged between the at least two light-transmitting cement layers 1 and the first light-emitting layer 2, and the first light-emitting layer 2 and the second light-emitting layer 3 both comprise a mechanoluminescence material. The mechanoluminescence material is a material which releases energy externally in the form of light when being stimulated by external force, the force is common and easily-regulated physical stimulation in life, and the material can emit light under the stimulation of the force as long as the intermolecular interaction, the molecular configuration, the accumulation mode and the like are changed, and the characteristics can be applied to the aspects of sensing, anti-counterfeiting, information recording and the like. In the embodiment, by introducing the first luminescent layer 2 and the second luminescent layer 3 containing the mechanoluminescence material on the surfaces of at least two light-transmitting cement layers 1, the mechanoluminescence material can excite visible light and pass through the light-transmitting cement layers 1 under the action of mechanical force. This kind of translucent cement based on mechanoluminescence can be applied to the pavement, sends decurrent effort to the material through people's on the road walking, makes translucent cement luminous, and not only green energy saving provides an artistic intention more urban traffic to can remind the motor vehicle to have the pedestrian to pass through, can also apply bedroom or corridor ground in addition, avoid walking inconvenience and the various creative idea building arts that bring at night.
In specific implementation, the mechanoluminescence material is a composite material consisting of ZnS doped with metal or metal oxide and an organic material. The organic material is one or more of an organic polymer material, a metal organic framework material and a covalent organic framework material, and the mechanoluminescence material with excellent performance can be obtained by changing ion doping in ZnS and metal ion types, end group substituent groups, central groups, molecular structures and the like in the metal organic framework material.
In a specific embodiment, the metal in the metal-doped ZnS is one or more of Fe, Co, Ni, Mn, Cu, for example, Fe-doped ZnS, Co-doped ZnS, Ni-doped ZnS, Mn-doped ZnS, Cu-doped ZnS, Fe-and Co-doped ZnS, Co-and Ni-doped ZnS, Ni-and Mn-doped ZnS, or Fe-, Co-Ni, Mn-and Cu-doped ZnS, etc.
In one embodiment, the metal oxide in the metal oxide doped ZnS is Al2O3、SrO、Sr3Al2O6One or more of (A), e.g. Al2O3Doped ZnS, SrO doped ZnS, Sr3Al2O6Doped ZnS, Al2O3ZnS doped with SrOSrO and Sr3Al2O6Doped ZnS, Al2O3And Sr3Al2O6Doped ZnS, Al2O3SrO and Sr3Al2O6Doped ZnS.
In a specific embodiment, the organic material is mainly a thiophene metal organic framework material, and the metal in the metal organic framework material is one or more of manganese, copper, iron, zinc, nickel and cerium. For example, the metal organic framework material may be a manganese-based metal organic framework material, a copper-based metal organic framework material, an iron-based metal organic framework material, a zinc-based metal organic framework material, a nickel-based metal organic framework material, a cerium-based metal organic framework material, or the like.
In a specific embodiment, the first light emitting layer 2 and the second light emitting layer 3 further include an additive, and the additive is used for uniformly distributing each component in the first light emitting layer 2 and the second light emitting layer 3, so that the whole material achieves the effect of transferring mechanical force. In specific implementation, the mechanoluminescence material and the additive are added into water, stirred uniformly to prepare slurry, and then the slurry is coated on the surfaces of at least two light-transmitting cement layers 1 to obtain the second light-emitting layer 3, wherein the mass of the mechanoluminescence material is 2-50% of that of the slurry. The additive comprises one or more of resin, pigment and auxiliary agent, wherein the resin comprises one or more of fluorocarbon resin, acrylic resin, silicone-acrylic resin, epoxy resin and polyester resin, the pigment is used for enabling the light-transmitting cement to present different colors, and the auxiliary agent comprises one or more of dispersing agent, defoaming agent, bactericide, film-forming auxiliary agent, curing agent, thickening agent and wetting agent. The dispersing agent is used for enabling all materials in the slurry to be dispersed more uniformly, the defoaming agent is used for eliminating foam in the slurry and preventing the transmission of the influence of the foam, and the thickening agent is used for improving the stability of the slurry.
In a specific embodiment, the first luminescent layer 2 further comprises a binder for binding the at least two light-transmitting cement layers 1. In specific implementation, a binder is added into a slurry containing a mechanoluminescence material and an additive to form a viscous slurry, then the viscous slurry is coated on the surface of the second light-emitting layer 3 away from the at least two light-transmitting cement layers 1, a first light-emitting layer 2 is formed between the at least two light-transmitting cement layers 1, and the at least two light-transmitting cement layers 1 are bonded through the first light-emitting layer 2. The adhesive is one or two of epoxy resin adhesive and water glass adhesive.
In addition, the invention also provides a preparation method of the light-transmitting cement based on mechanoluminescence, which comprises the following steps:
s1, applying the slurry added with the mechanoluminescence material to the surfaces of at least two light-transmitting cement layers to form second light-emitting layers on the surfaces of the at least two light-transmitting cement layers;
s2, adding a binder into the slurry, and coating the slurry added with the binder on the surface of the second light-emitting layer away from the at least two light-transmitting cement layers to form a first light-emitting layer;
and S3, bonding the at least two light-transmitting cement layers through the first light-emitting layer to obtain the light-transmitting cement based on the force-induced luminescence.
In specific implementation, in this embodiment, at least two pieces of light-transmitting cement with the same size and shape are polished smooth, and then the slurry added with the mechanoluminescence material is coated on the surfaces of the at least two light-transmitting cement layers to form second light-emitting layers on the surfaces of the at least two light-transmitting cement layers; and then adding a binder into the slurry, coating the slurry added with the binder on the surface of the second light-emitting layer far away from the at least two light-transmitting cement layers to form a first light-emitting layer, and bonding the at least two light-transmitting cement layers through the first light-emitting layer to obtain the light-transmitting cement based on the mechanoluminescence. The mechanoluminescence material is a composite material consisting of ZnS doped with metal or metal oxide and an organic material, the metal is one or more of Fe, Co, Ni, Mn and Cu, and the metal oxide is Al2O3、SrO、Sr3Al2O6One or more of (a). The organic material is organic polymer material, metal organic frame material and covalent bondOne or more of machine frame materials; the metal in the metal organic framework material is one or more of manganese, copper, iron, zinc, nickel and cerium; the adhesive is one or two of epoxy resin adhesive and water glass adhesive.
In a specific embodiment, the step S1 is preceded by:
s0, adding the mechanoluminescence material and the additive into water to form slurry.
In specific implementation, before the step of applying the slurry added with the mechanoluminescence material to the surfaces of at least two light-transmitting cement layers, the method further comprises the step of adding the mechanoluminescence material and the additive into water to form the slurry. The mass of the mechanoluminescence material is 2-50% of that of the slurry, the additive comprises one or more of resin, pigment and auxiliary agent, and the auxiliary agent comprises one or more of dispersing agent, defoaming agent, bactericide, film-forming auxiliary agent, curing agent, thickening agent and wetting agent.
According to the invention, the first light-emitting layer and the second light-emitting layer containing the mechanoluminescence material are introduced to the surfaces of the at least two light-transmitting cement layers, and under the action of mechanical force, the mechanoluminescence material can excite visible light and pass through the light-transmitting cement layers, so that the light-transmitting cement has a self-luminous characteristic, and the energy waste caused by an external light source is avoided. The light-transmitting cement based on mechanoluminescence has the characteristics of high sensitivity, high brightness and quick self-recovery, can be directly paved on traffic roads or buildings with requirements, is green, environment-friendly and energy-saving, and can provide safety and artistry for the life of people.
The invention is further illustrated by the following specific examples.
Example 1
(1) Adding Mn-doped ZnS, acrylic resin and an auxiliary agent into water to prepare slurry, wherein the mass of the Mn-doped ZnS is 10% of that of the slurry;
(2) coating the slurry on the surfaces of two light-transmitting cement layers in a thin manner, and forming a second light-emitting layer on the surfaces of the two light-transmitting cement layers;
(3) adding a water glass binder into the slurry to obtain viscous slurry, and coating 2mm of viscous slurry on the surface of the second light-emitting layer away from the at least two light-transmitting cement layers to form a first light-emitting layer;
(4) and after standing for 30 minutes, bonding the at least two light-transmitting cement layers through the first light-emitting layer to assemble the light-transmitting cement based on mechanoluminescence.
Example 2
(1) Adding the Ce-doped ZnS, fluorocarbon resin and an auxiliary agent into water to prepare slurry, wherein the mass of the Mn-doped ZnS is 15% of that of the slurry;
(2) coating the slurry on the surfaces of two light-transmitting cement layers in a thin manner, and forming a second light-emitting layer on the surfaces of the two light-transmitting cement layers;
(3) adding a water glass binder into the slurry to obtain viscous slurry, and coating 2.5mm of viscous slurry on the surface of the second light-emitting layer away from the at least two light-transmitting cement layers to form a first light-emitting layer;
(4) and after standing for 30 minutes, bonding the at least two light-transmitting cement layers through the first light-emitting layer to assemble the light-transmitting cement based on mechanoluminescence.
In summary, the invention discloses a light-transmitting cement based on mechanoluminescence and a preparation method thereof, wherein the method comprises the following steps: the light-emitting device comprises at least two light-transmitting cement layers and a plurality of first light-emitting layers, wherein the at least two light-transmitting cement layers are bonded through the plurality of first light-emitting layers, a second light-emitting layer is arranged between the at least two light-transmitting cement layers and the first light-emitting layers, and the first light-emitting layer and the second light-emitting layer both comprise a mechanoluminescence material. According to the invention, the first light-emitting layer and the second light-emitting layer containing the mechanoluminescence material are introduced to the surfaces of the at least two light-transmitting cement layers, and under the action of mechanical force, the mechanoluminescence material can excite visible light and pass through the light-transmitting cement layers, so that the light-transmitting cement has a self-luminous characteristic, and the energy waste caused by an external light source is avoided. The light-transmitting cement based on mechanoluminescence has the characteristics of high sensitivity, high brightness and quick self-recovery, can be directly paved on traffic roads or buildings with requirements, is green, environment-friendly and energy-saving, and can provide safety and artistry for the life of people.
It is to be understood that the invention is not limited to the examples described above, but that modifications and variations may be effected thereto by those of ordinary skill in the art in light of the foregoing description, and that all such modifications and variations are intended to be within the scope of the invention as defined by the appended claims.
Claims (6)
1. A light-transmitting cement based on mechanoluminescence, comprising: the light-emitting device comprises at least two light-transmitting cement layers and a plurality of first light-emitting layers, wherein the at least two light-transmitting cement layers are bonded through the plurality of first light-emitting layers, a second light-emitting layer is arranged between the at least two light-transmitting cement layers and the first light-emitting layers, and the first light-emitting layer and the second light-emitting layer both comprise a mechanoluminescence material; the at least two light-transmitting cement layers are made of cement mortar doped with light guide materials; the first light-emitting layer and the second light-emitting layer are formed by slurry consisting of a mechanoluminescence material, an additive and water, and the mass of the mechanoluminescence material is 2-50% of that of the slurry;
the mechanoluminescence material is a composite material consisting of ZnS doped with metal or metal oxide and an organic material;
the first light-emitting layer further comprises a binder; the adhesive is one or two of epoxy resin adhesive and water glass adhesive.
2. A light-transmitting cement based on mechanoluminescence according to claim 1, characterized in that said metal is one or more of Fe, Co, Ni, Mn, Cu; the metal oxide is Al2O3、SrO、Sr3Al2O6One or more of (a).
3. The light-transmitting cement based on mechanoluminescence according to claim 1, wherein the organic material is one or more of an organic polymer material, a metal-organic framework material, a covalent organic framework material; the metal in the metal organic framework material is one or more of manganese, copper, iron, zinc, nickel and cerium.
4. A light-transmitting cement based on mechanoluminescence according to claim 1, characterized in that said additive comprises one or more of a resin, a pigment and an auxiliary agent; the auxiliary agent comprises one or more of a dispersing agent, a defoaming agent, a bactericide, a film-forming auxiliary agent, a curing agent, a thickening agent and a wetting agent.
5. A preparation method of light-transmitting cement based on mechanoluminescence is characterized by comprising the following steps:
coating the slurry added with the mechanoluminescence material on the surfaces of at least two light-transmitting cement layers to form a second light-emitting layer on the surfaces of the at least two light-transmitting cement layers; the at least two light-transmitting cement layers are made of cement mortar doped with light guide materials; the mass of the mechanoluminescence material is 2-50% of that of the slurry;
adding a binder into the slurry, and coating the binder-added slurry on the surface of the second light-emitting layer away from the at least two light-transmitting cement layers to form a first light-emitting layer; the adhesive is one or two of epoxy resin adhesive and water glass adhesive;
bonding the at least two light-transmitting cement layers through the first light-emitting layer to obtain light-transmitting cement based on mechanoluminescence;
the mechanoluminescence material is a composite material consisting of ZnS doped with metal or metal oxide and an organic material.
6. The method for preparing light-transmitting cement based on mechanoluminescence according to claim 5, wherein the step of applying the slurry added with the mechanoluminescence material to the surface of at least two light-transmitting cement layers is preceded by:
adding the mechanoluminescence material and an additive to water to form a slurry; wherein the additive comprises one or more of a resin, a pigment and an auxiliary agent; the auxiliary agent comprises one or more of a dispersing agent, a defoaming agent, a bactericide, a film-forming auxiliary agent, a curing agent, a thickening agent and a wetting agent.
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