CN110255971A - A kind of aqueous terrace phase transformation epoxy resin mortar coating and preparation method thereof - Google Patents
A kind of aqueous terrace phase transformation epoxy resin mortar coating and preparation method thereof Download PDFInfo
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- CN110255971A CN110255971A CN201910532715.4A CN201910532715A CN110255971A CN 110255971 A CN110255971 A CN 110255971A CN 201910532715 A CN201910532715 A CN 201910532715A CN 110255971 A CN110255971 A CN 110255971A
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- epoxy resin
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- mortar coating
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B26/00—Compositions of mortars, concrete or artificial stone, containing only organic binders, e.g. polymer or resin concrete
- C04B26/02—Macromolecular compounds
- C04B26/10—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- C04B26/14—Polyepoxides
-
- 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
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/00474—Uses not provided for elsewhere in C04B2111/00
- C04B2111/00482—Coating or impregnation materials
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Paints Or Removers (AREA)
Abstract
The present invention discloses a kind of aqueous terrace phase transformation epoxy resin mortar coating and preparation method thereof, belong to technical field of coatings, the coating in parts by weight, including following component: component A: 30-50 parts of epoxy hardener, 30-40 parts of deionized water, 0.1-0.3 parts of defoaming agent, 0.1-0.4 parts of dispersing agent, 0.2-0.6 parts of substrate wetting agents, 10-20 parts of microencapsulated phase change material；B component: 85-95 parts of epoxy resin, 5-15 parts of aliphatic glycidyl ether；Component C: 80-120 parts of quartz sand, 0.5-1.5 parts of wood fibre, 1-3 parts of PP fiber.Mortar paint of the present invention has the function of preferable levelling, decoration, closed substrate, also has the function of heat accumulation, the heat release of stability and high efficiency, metope temperature is absorbed heat at 45 DEG C or more, 25 DEG C or less heat releases automatically adjust building bulk temperature, reduce energy consumption, it is with strong applicability, application easy to spread.
Description
Technical field
The present invention relates to technical field of coatings, more particularly to a kind of aqueous terrace phase transformation epoxy resin mortar coating and its preparation
Method.
Background technique
With the raising of people's levels of substance, requirement of the people to institute's living environment is also higher and higher, and the energy consumptions such as air-conditioning are set
Standby usage amount steeply rises, and not only consumes a large amount of energy, certain threat is also brought to environment.Building energy conservation has become
The important link of energy security and the strategy of sustainable development is one of research direction active now.Phase-change thermal storage technology utilizes
Substance latent heat of phase change carries out scientific storage and utilization to energy, not only can solve gentle solution energy on time, space, intensity and ground
The mismatch with supply and demand is converted on point, can be utilized the energy with convenience and high-efficiency, be realized energy-saving and emission-reduction, but also there is temperature control system
The advantages that device is simple, maintenance management is convenient and cost performance is high is ideal construction energy-saving method.
However, in terms of building energy efficiency, phase-change thermal storage technology application it is most or on phase-changing energy-storing building materials, make
It has both the advantages of both common building materials and phase-change material.But the preparation process of phase-changing energy-storing building materials is complicated, cost compared with
Height, once and exterior wall protective layer cracking, heat insulation effect will be made to have a greatly reduced quality.Therefore, people attempt to store up phase transformation in recent years
Energy material is added in epoxy resin mortar coating, but current existing phase-changing energy storage material exists and matrix epoxy mortar paint material
Compatibility is poor, can not be uniformly distributed in the slurry so as to cause phase-change material and slurry curing after easily fall off and ask from matrix
The appearance of topic, and existing phase-changing energy storage material is the form using high molecular polymer cladding macromolecular phase-change material
(microencapsulation material), if the matrix component selection of mortar is improper, since coating is in film forming procedure after being added in mortar
In along with resin solidification crosslinking and solvent volatilization, resin crosslinked has different degrees of contraction, along with such
Shrink, the phase-change microcapsule in mortar formula will by pressure break, to cause the destruction of phase-change coating phase transition function, or due to
Influence of the other components to phase-change material, it is possible to macromolecular phase-change material be caused to leak out from the cladding of high molecular polymer
Come, to lose the function of phase-change accumulation energy.
Summary of the invention
For phase-changing energy storage material in the prior art and matrix mortar material compatibility is poor and epoxy resin mortar solidification is broken
The problem of bad microcapsules, the present invention provides a kind of aqueous terrace phase transformation epoxy resin mortar coating and preparation method thereof, above-mentioned to solve
Problem of the existing technology.
To achieve the above object, the present invention provides following schemes:
The present invention provides a kind of aqueous terrace phase transformation epoxy resin mortar coating, in parts by weight, including following component:
Component A: 30-50 parts of epoxy hardener, 30-40 parts of deionized water, 0.1-0.3 parts of defoaming agent, dispersing agent 0.1-0.4
Part, 0.2-0.6 parts of substrate wetting agents, 10-20 parts of microencapsulated phase change material；
B component: 85-95 parts of epoxy resin, 5-15 parts of aliphatic glycidyl ether；
Component C: 80-120 parts of quartz sand, 0.5-1.5 parts of wood fibre, 1-3 parts of PP fiber.
As a further improvement of the present invention, aliphatic glycidyl ether viscosity at 40 DEG C is 3-7mpas, ring
Oxygen equivalent is 290-310g/eq.
As a further improvement of the present invention, the dispersing agent is 750W or BYK190；The epoxy resin is low
Molecular weight epoxy, the concentration of the epoxy resin are 85-95%.
As a further improvement of the present invention, the defoaming agent is in BYK-028, BYK-024, SN154 or A10 defoaming agent
One or more of combinations.
As a further improvement of the present invention, the substrate wetting agents be one of BYK346, WET510 or PW336 or
A variety of combinations can preferably soak ground material, to improve coating for improving the surface tension and permeability of coating
Adhesive force.
As a further improvement of the present invention, the epoxy hardener is 5B.
As a further improvement of the present invention, the quartz sand size is 80-120 mesh, and quartz sand is essentially in the slurry
Neutrality, will not destroy the capsule material of microencapsulated phase change material, the quartz sand of 80-120 mesh can increase slurry can application property, can be significant
Intensity, weatherability and the water resistance for improving slurry, are made slurry not only water resistance with higher, avoid being caused due to poor water resistance
The appearance of blistering and problem of Cracking, while also making slurry that there is moderate porosity, be conducive to slurry absorption phase-change material.Quartz
The undersized of sand crosses intensity, weatherability and the water resistance of big city's influence coating and the mixability with phase-change material,
Cause epoxy resin mortar to apply material volume skin, scaling-off, and influences phase-change material heat accumulation and heat release function.
As a further improvement of the present invention, the microencapsulated phase change material is polyurea microcapsule phase-change material.
As a further improvement of the present invention, the epoxy resin is bisphenol A type epoxy resin.
The present invention also provides a kind of preparation methods of above-mentioned aqueous terrace phase transformation epoxy resin mortar coating, including following step
It is rapid:
(1) it by deionized water, defoaming agent, dispersing agent, substrate wetting agents, microcapsule phase-change material, is uniformly mixed and obtains slurries
A；
(2) epoxy hardener, uniformly mixed slurries B, as component A are added into slurries A；
(3) epoxy resin is opened in the container of no deionized water cleaning with aliphatic contracting glycerin ether dilute, be uniformly mixed
To B component；
(4) wood fibre and PP fiber is added after stirring 15 minutes in 80-120 mesh quartz sand.It is after mixing
For C component；
(5) component A and B component are uniformly mixed, add deionized water, amount of water is component A and B component gross mass
10%, it is again stirring for uniformly, being slowly added to component C and getting product.
The invention discloses following technical effects:
Compared with the existing technology, aqueous terrace phase transformation epoxy resin mortar coating provided by the invention passes through addition aliphatic contracting
Water glycerin ether can be significantly reduced the viscosity of mortar, and since its own contains higher epoxy group content, and when solidification can improve
Certain crosslink density, improves the compression strength and water resistance of mortar, and also can avoid in mortar substance to phase-change material capsule material
Destruction, ensure that the service life of phase-change material；The wood fibre and PP fiber that specific quantity is added can make as skeleton structure
Slurry has moderate viscosity, enhances the adhesiveness to the suction-operated of phase-change material and slurry and base, after enhancing hardening
Intensity increases the caking property of phase-change material and inorganic material, enhances the compatibility of phase-change material and inorganic material, makes phase-change material
Uniform and stable dispersion in the slurry, moreover it is possible to prevent falling off for phase-change material, aliphatic glycidyl ether can also soften PP fibre
Peacekeeping wood fibre, and energy reinforcing fiber flexibility and fastness, can be improved the tensile strength of fiber.
It is acted synergistically in the present invention between each component with special ratios, so that the mortar paint of preparation not only has preferably
The functions such as levelling, decoration, closed substrate, also have the function of heat accumulation, the heat release of stability and high efficiency, and metope temperature is inhaled at 45 DEG C or more
Heat, 25 DEG C or less heat releases automatically adjust building bulk temperature, reduce energy consumption, with strong applicability, application easy to spread.
Wood fibre is nontoxic, tasteless, pollution-free, "dead", and specific gravity is small, large specific surface area.Wood fibre has hole
Structure can make terrace have excellent heat preservation, heat-insulated, sound insulation, insulation and breathe freely in coating after addition wood fibre
Performance, and the energy to expand with heat and contract with cold can be absorbed prevents from causing to flake and cracking phenomena due to expanding with heat and contract with cold, has mortar more
Good mechanical performance.
PP fiber, i.e. polypropylene fibre are high molecular polymers, have it is light, intensity is high, elasticity is good, it is corrosion-resistant and
Ageing-resistant equal excellent performances, added in coating a small amount of PP fiber can significantly improve the crack resistence effect after paint solidification and
Mechanical performance.
PP fiber is used in mixed way with wood fibre, and even more collaboration plays a role, and can be restrained by intermolecular force
Hydrone diffuses to the surface, and slurry is made to have moderate adhesiveness, can be close by phase-change material, quartz sand and epoxy resin etc.
It is combined together, improves the binding performance of each constituent in mortar, prevent phase-change material from falling off, enhance the splitting resistance of coating
Energy and waterproof performance, and the two collaboration can also reduce dehydrating speed, extend operable time, guarantee that phase-change material can be divided equally
Ground is scattered in slurry；Meanwhile the two cooperates with, and can also generate supporting role to phase-change material, prevent epoxy resin cure mistake
Contraction pressure break phase-change material in journey.
Specific embodiment
Below in conjunction with the embodiment of the present invention, technical scheme in the embodiment of the invention is clearly and completely described,
Obviously, described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Based in the present invention
Embodiment, every other embodiment obtained by those of ordinary skill in the art without making creative efforts, all
Belong to the scope of protection of the invention.
In addition, in order to better illustrate the present invention, being given in specific embodiment below numerous specific
Details.It will be appreciated by those skilled in the art that without certain details, the present invention equally be can be implemented.In other reality
It applies in example, method well known to those skilled in the art, means is not described in detail, in order to highlight purport of the invention.
In the present invention, indicate that the unit of material content is based on parts by weight meter, unless otherwise stated.In addition, about technology of the invention
The measuring method of index is in the art using standard method, and for details, reference can be made to newest national standards, unless otherwise stated.
In an embodiment of the present invention, the adhesive force of paint film is preferably according to GB/T1720-1979 standard testing, VOC content
It is preferred that according to GB18582-2008 standard testing；Wearability is according to GB/T 1768-2006 standard testing.
Embodiment 1-6:
A kind of aqueous terrace phase transformation epoxy resin mortar coating, in parts by weight, including following component:
Component A: 30-50 parts of epoxy hardener, 30-40 parts of deionized water, 0.1-0.3 parts of defoaming agent, dispersing agent 0.1-0.4
Part, 0.2-0.6 parts of substrate wetting agents, 10-20 parts of microencapsulated phase change material；
B component: 85-95 parts of epoxy resin, 5-15 parts of aliphatic glycidyl ether；
Component C: 80-120 parts of quartz sand, 0.5-1.5 parts of wood fibre, 1-3 parts of PP fiber.
The component and proportion of each embodiment are shown in Table 1.
The aqueous terrace phase transformation epoxy resin mortar coating of embodiment 1-6 the preparation method is as follows:
(1) it by deionized water, defoaming agent, dispersing agent, substrate wetting agents, microcapsule phase-change material, is uniformly mixed and obtains slurries
A；
(2) epoxy hardener, uniformly mixed slurries B, as component A are added into slurries A；
(3) epoxy resin is opened in the container of no deionized water cleaning with aliphatic contracting glycerin ether dilute, be uniformly mixed
To B component；
(4) wood fibre and PP fiber is added after stirring 15 minutes in 80-120 mesh quartz sand.It is after mixing
For C component；
(5) component A and B component are uniformly mixed, add deionized water, amount of water is component A and B component gross mass
10%, it is again stirring for uniformly, being slowly added to component C and getting product.
The epoxy resin in embodiment 1-6 is low-molecular-weight epoxy resin, and the concentration of the epoxy resin is
85%.The dispersing agent is 750W, and the substrate wetting agents are BYK346；The defoaming agent is BYK-028；Described
Epoxy hardener is 5B.
In embodiment 1-6, the synthesis process of the low-molecular-weight epoxy resin is as follows:
Ring-opening reaction:
Condensation reaction:
Ring-opening reaction:
Ring-closure reaction:
So carry out open loop, the cyclic process of closed loop, final reaction at epoxy resin macromolecular.
Comparative example 1-2
For comparative example 1-2 difference from example 1 is that component proportion is different, concrete component proportion is shown in Table 1.
The aqueous terrace phase transformation epoxy resin mortar coating composition of table 1 embodiment 1-6 and comparative example 1-2 and proportion
Performance detection is carried out to the water-base epoxy mortar paint of embodiment 1-6 and comparative example 1-2, the results are shown in Table 2.
2 the performance test results of table
It infuses, in table 2, wear-resisting grade, numerical value is bigger, illustrates that wearability is better, and similarly numerical value is bigger illustrates cracking degree more
Small (7 the above are do not crack), on the contrary it is bigger.
Embodiment described above is only that preferred embodiment of the invention is described, and is not carried out to the scope of the present invention
It limits, without departing from the spirit of the design of the present invention, those of ordinary skill in the art make technical solution of the present invention
Various changes and improvements, should all fall into claims of the present invention determine protection scope in.
Claims (10)
1. a kind of aqueous terrace phase transformation epoxy resin mortar coating, which is characterized in that in parts by weight, including following component:
Component A: 30-50 parts of epoxy hardener, 30-40 parts of deionized water, 0.1-0.3 parts of defoaming agent, 0.1-0.4 parts of dispersing agent,
0.2-0.6 parts of substrate wetting agents, 10-20 parts of microencapsulated phase change material；
B component: 85-95 parts of epoxy resin, 5-15 parts of aliphatic glycidyl ether；
Component C: 80-120 parts of quartz sand, 0.5-1.5 parts of wood fibre, 1-3 parts of PP fiber.
2. aqueous terrace phase transformation epoxy resin mortar coating according to claim 1, which is characterized in that the aliphatic is shunk sweet
Oily ether viscosity at 40 DEG C is 3-7mpas, epoxide equivalent 290-310g/eq.
3. aqueous terrace phase transformation epoxy resin mortar coating according to claim 1, which is characterized in that the dispersing agent is
750W or BYK190；The epoxy resin is low-molecular-weight epoxy resin, and the concentration of the epoxy resin is 85-95%.
4. aqueous terrace phase transformation epoxy resin mortar coating according to claim 1, which is characterized in that the defoaming agent is BYK-
028, the combination of one or more of BYK-024, SN154 or A10 defoaming agent.
5. aqueous terrace phase transformation epoxy resin mortar coating according to claim 1, which is characterized in that the substrate wetting agents are
One of BYK346, WET510 or PW336 or a variety of combinations.
6. aqueous terrace phase transformation epoxy resin mortar coating according to claim 1, which is characterized in that the epoxy hardener
For 5B.
7. aqueous terrace phase transformation epoxy resin mortar coating according to claim 1, which is characterized in that the quartz sand size is
80-120 mesh.
8. aqueous terrace phase transformation epoxy resin mortar coating according to claim 1, which is characterized in that the microcapsule phase-change material
Material is polyurea microcapsule phase-change material.
9. aqueous terrace phase transformation epoxy resin mortar coating according to claim 1, which is characterized in that the epoxy resin is double
Phenol A type epoxy resin.
10. a kind of preparation method of such as described in any item aqueous terrace phase transformation epoxy resin mortar coating of claim 1-9, feature
It is, comprising the following steps:
(1) it by deionized water, defoaming agent, dispersing agent, substrate wetting agents, microcapsule phase-change material, is uniformly mixed and obtains slurries A；
(2) epoxy hardener, uniformly mixed slurries B, as component A are added into slurries A；
(3) epoxy resin is opened in the container of no deionized water cleaning with aliphatic contracting glycerin ether dilute, is uniformly mixed and obtains B group
Point；
(4) wood fibre and PP fiber is added after stirring 15 minutes in 80-120 mesh quartz sand.It is after mixing C group
Part；
(5) component A and B component are uniformly mixed, add deionized water, amount of water is component A and B component gross mass
10%, it is again stirring for uniformly, being slowly added to component C and getting product.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111484789A (en) * | 2020-04-24 | 2020-08-04 | 东莞市益典实业有限公司 | Epoxy resin self-flowing floating colored sand wood-colored floor paint |
| CN111622458A (en) * | 2020-05-25 | 2020-09-04 | 杨华 | Anti-fouling water-based terrace and construction method thereof |
| CN113198399A (en) * | 2021-05-20 | 2021-08-03 | 吉林建筑大学 | Phase change microcapsule, preparation method and application thereof, and composite AB coating |
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Application publication date: 20190920 |