CN108947373A - A kind of environment-friendly phase change specialty decor spraying mortar and preparation method thereof - Google Patents
A kind of environment-friendly phase change specialty decor spraying mortar and preparation method thereof Download PDFInfo
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- CN108947373A CN108947373A CN201810863746.3A CN201810863746A CN108947373A CN 108947373 A CN108947373 A CN 108947373A CN 201810863746 A CN201810863746 A CN 201810863746A CN 108947373 A CN108947373 A CN 108947373A
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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
- 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
- C04B28/02—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 containing hydraulic cements other than calcium sulfates
-
- 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
- C04B2111/00017—Aspects relating to the protection of the environment
-
- 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
- C04B2111/00241—Physical properties of the materials not provided for elsewhere in C04B2111/00
- C04B2111/00293—Materials impermeable to liquids
-
- 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
- C04B2111/00508—Cement paints
-
- 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
- C04B2111/20—Resistance against chemical, physical or biological attack
-
- 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
- C04B2111/20—Resistance against chemical, physical or biological attack
- C04B2111/27—Water resistance, i.e. waterproof or water-repellent materials
-
- 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
- C04B2111/20—Resistance against chemical, physical or biological attack
- C04B2111/28—Fire resistance, i.e. materials resistant to accidental fires or high temperatures
-
- 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
- C04B2201/30—Mortars, concrete or artificial stone characterised by specific physical values for heat transfer properties such as thermal insulation values, e.g. R-values
- C04B2201/32—Mortars, concrete or artificial stone characterised by specific physical values for heat transfer properties such as thermal insulation values, e.g. R-values for the thermal conductivity, e.g. K-factors
-
- 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
Abstract
The invention discloses a kind of environment-friendly phase change specialty decors to spray mortar, in parts by weight, including following components: 5-11 parts of microencapsulated phase change material, 80-100 parts of cement, 100-150 parts of river sand, 1-3 parts of water-reducing agent, 2-4 parts of hydroxymethyl cellulose, 0.5-1.2 parts of fire retardant, 1-2 parts of powdered whiting, 10-30 parts of water；The cyst wall of the microencapsulated phase change material is titanium dioxide-rubber powder/expanded polystyrene (EPS) composite material, and capsule-core is the mixture of paraffin and octadecane, and the two mass ratio is 1:(1-1.5), the mass ratio of cyst wall and capsule-core is 1:(2-7).The invention also discloses the preparation methods of the decoration mortar.Decoration mortar stability produced by the present invention is good, and excellent in mechanical performance, thermal insulation property is good, and has certain flame retardant property.
Description
Technical field:
The present invention relates to the field of building materials, are specifically related to a kind of environment-friendly phase change specialty decor spraying mortar.
Background technique:
Decoration mortar refers to the mortar as building facing.It is while plastering, by various working processes
Special facing form is obtained, to meet a kind of incrustation of aesthetic needs.Decoration mortar facing can be divided into two classes, i.e. mortar
Class facing and ballast class facing.Lime and brick class facing is added by the coloring of cement mortar or the art of cement mortar configuration of surface
Work, obtain certain color, lines, texture texture incrustation.Ballast class facing is that various colours are mixed in cement mortar
Ballast makees aggregate, is configured to cement ballast slurry and smears in wall basic level surface, is then washed with water, the means removing table such as axe chops, water mill
Face cement laitance coating, shows the facing of ballast color and its texture.Cementitious material used in decoration mortar and common decorative mortar base
This is identical, and only mortar class facing more uses white cement and adds various pigment.
Patent 201210404036.7 discloses a kind of phase-transition heat-storage cement mortar and preparation method thereof containing rubber powder,
It is formulated are as follows: and 5-40 parts of phase-changing energy storage material, 100 parts of cement, 120-280 parts of sand, 5-30 parts of water, wherein phase-changing energy storage material
It for microcapsule structure, is made of cyst wall and capsule-core, capsule-core uses organic phase change material, and cyst wall is that silica-rubber powder is compound
Cyst material.Cement mortar disclosed by the invention has phase-changing and temperature-regulating, service life long, and physicochemical property is excellent, environment-protecting and non-poisonous, fits
With it is wide the advantages that.But its ageing-resistant performance is bad, durability is poor.
Summary of the invention:
The object of the present invention is to provide a kind of environment-friendly phase change specialty decor mortars, the mortar good weatherability, and stability is good, protect
Temperature is had excellent performance, and mechanical property is good.
It is a further object to provide the preparation methods of environment-friendly phase change specialty decor spraying mortar.
To achieve the above object, the invention adopts the following technical scheme:
A kind of environment-friendly phase change specialty decor spraying mortar, in parts by weight, including following components:
5-11 parts of microencapsulated phase change material,
80-100 parts of cement,
100-150 parts of river sand,
1-3 parts of water-reducing agent,
2-4 parts of hydroxymethyl cellulose,
0.5-1.2 parts of fire retardant,
1-2 parts of powdered whiting,
10-30 parts of water；
The cyst wall of the microencapsulated phase change material is titanium dioxide-rubber powder/expanded polystyrene (EPS) composite material, and capsule-core is
The mixture of paraffin and octadecane, the two mass ratio are 1:(1-1.5), the mass ratio of cyst wall and capsule-core is 1:(2-7).
As a preferred embodiment of the above technical solution, the fire retardant is magnesium hydroxide.
As a preferred embodiment of the above technical solution, the water-reducing agent is polycarboxylate high-efficiency water reducing agent.
A kind of preparation method of environment-friendly phase change specialty decor spraying mortar, comprising the following steps:
(1) dispersion is mixed in rubber powder and ethyl alcohol, dispersion liquid is made；
(2) dispersing agent, deionized water are mixed evenly, styrene monomer, the dispersion liquid of 1/2 mass are then added,
It is transferred to reaction kettle, continues the initiator that 1/2 mass is added dropwise, is stirred 10min at 65-75 DEG C, then proceedes to be added surplus
Remaining styrene monomer and initiator is warming up to 80-90 DEG C of reaction 5-9h, is cooled to room temperature after reaction, filters, dry,
Expanded polystyrene (EPS)/rubber composite material is made；
(3) butyl titanate is add to deionized water stirring hydrolysis 30-50min, paraffin and octadecane is then added
Mixture, silane coupling agent and expanded polystyrene (EPS)/rubber composite material are then added while stirring, after addition, after
Continuous stirring 1-2h, is filtered, dry, and microencapsulated phase change material is made；
(4) by microencapsulated phase change material obtained above and cement, river sand, water-reducing agent, hydroxymethyl cellulose, fire retardant,
Powdered whiting continuously adds water stirring, decoration mortar is made after being uniformly mixed.
As a preferred embodiment of the above technical solution, in step (2), the dispersing agent is neopelex.
As a preferred embodiment of the above technical solution, in step (2), foam polyphenyl in expanded polystyrene (EPS)/rubber composite material
Ethylene, rubber mass ratio be 1:(3.5-4.5).
As a preferred embodiment of the above technical solution, in step (2), the initiator is benzoyl peroxide.
As a preferred embodiment of the above technical solution, in step (3), the butyl titanate, deionized water mass ratio be 1:
(3-5)。
As a preferred embodiment of the above technical solution, in step (3), the silane coupling agent, expanded polystyrene (EPS)/rubber are compound
The mass ratio of material is (0.02-0.06): 1.
The invention has the following advantages:
The present invention uses the capsule-core using the mixture of paraffin and octadecane as microencapsulated phase change material, using titanium dioxide
For titanium-rubber powder/expanded polystyrene (EPS) composite material as cyst wall, microencapsulated phase change material stability obtained is good, can effectively change
The thermal insulation property of kind decoration mortar is grafted with expanded polystyrene (EPS), capsule obtained in rubber powder surface-stable during the preparation process
Wall material durability is good, effectively improves the anti-aging property of decoration mortar；
The present invention rationally adjusts the dosage and preparation process condition of each component, and decoration mortar stability obtained is good, by force
Degree is big, and preparation is simple, at low cost.
Specific embodiment:
In order to better understand the present invention, below by embodiment, the present invention is further described, and embodiment is served only for solving
The present invention is released, any restriction will not be constituted to the present invention.
Embodiment 1
A kind of environment-friendly phase change specialty decor spraying mortar, in parts by weight, including following components:
5 parts of microencapsulated phase change material,
80 parts of cement,
100 parts of river sand,
1 part of water-reducing agent,
2 parts of hydroxymethyl cellulose,
0.5 part of fire retardant,
1 part of powdered whiting,
10 parts of water；
The cyst wall of the microencapsulated phase change material is titanium dioxide-rubber powder/expanded polystyrene (EPS) composite material, and capsule-core is
The mixture of paraffin and octadecane, the two mass ratio are 1:1, and the mass ratio of cyst wall and capsule-core is 1:2；
Preparation method includes the following steps:
(1) dispersion is mixed in rubber powder and ethyl alcohol, dispersion liquid is made；
(2) dispersing agent, deionized water are mixed evenly, styrene monomer, the dispersion liquid of 1/2 mass are then added,
It is transferred to reaction kettle, continues the initiator that 1/2 mass is added dropwise, is stirred 10min at 65-75 DEG C, then proceedes to be added surplus
Remaining styrene monomer and initiator is warming up to 80-90 DEG C of reaction 5h, is cooled to room temperature after reaction, filters, dry, system
Obtain expanded polystyrene (EPS)/rubber composite material；Wherein, expanded polystyrene (EPS), rubber in expanded polystyrene (EPS)/rubber composite material
Mass ratio be 1:3.5；
(2) butyl titanate is add to deionized water stirring hydrolysis 30min, the mixed of paraffin and octadecane is then added
Object is closed, silane coupling agent and expanded polystyrene (EPS)/rubber composite material are then added while stirring, after addition, continues to stir
1h is mixed, is filtered, it is dry, microencapsulated phase change material is made；Wherein, the butyl titanate, deionized water mass ratio be 1:3；
Silane coupling agent, expanded polystyrene (EPS)/rubber composite material mass ratio are 0.02:1；
(3) by microencapsulated phase change material obtained above and cement, river sand, water-reducing agent, hydroxymethyl cellulose, fire retardant,
Powdered whiting continuously adds water stirring, decoration mortar is made after being uniformly mixed.
Embodiment 2
A kind of environment-friendly phase change specialty decor spraying mortar, in parts by weight, including following components:
11 parts of microencapsulated phase change material,
100 parts of cement,
150 parts of river sand,
3 parts of water-reducing agent,
4 parts of hydroxymethyl cellulose,
1.2 parts of fire retardant,
2 parts of powdered whiting,
30 parts of water；
The cyst wall of the microencapsulated phase change material is titanium dioxide-rubber powder/expanded polystyrene (EPS) composite material, and capsule-core is
The mixture of paraffin and octadecane, the two mass ratio are 1:1.5, and the mass ratio of cyst wall and capsule-core is 1:7；
Preparation method includes the following steps:
(1) dispersion is mixed in rubber powder and ethyl alcohol, dispersion liquid is made；
(2) dispersing agent, deionized water are mixed evenly, styrene monomer, the dispersion liquid of 1/2 mass are then added,
It is transferred to reaction kettle, continues the initiator that 1/2 mass is added dropwise, is stirred 10min at 65-75 DEG C, then proceedes to be added surplus
Remaining styrene monomer and initiator is warming up to 80-90 DEG C of reaction 9h, is cooled to room temperature after reaction, filters, dry, system
Obtain expanded polystyrene (EPS)/rubber composite material；Wherein, expanded polystyrene (EPS), rubber in expanded polystyrene (EPS)/rubber composite material
Mass ratio be 1:4.5；
(2) butyl titanate is add to deionized water stirring hydrolysis 50min, the mixed of paraffin and octadecane is then added
Object is closed, silane coupling agent and expanded polystyrene (EPS)/rubber composite material are then added while stirring, after addition, continues to stir
2h is mixed, is filtered, it is dry, microencapsulated phase change material is made；Wherein, the butyl titanate, deionized water mass ratio be 1:5；
Silane coupling agent, expanded polystyrene (EPS)/rubber composite material mass ratio are 0.06:1；
(3) by microencapsulated phase change material obtained above and cement, river sand, water-reducing agent, hydroxymethyl cellulose, fire retardant,
Powdered whiting continuously adds water stirring, decoration mortar is made after being uniformly mixed.
Embodiment 3
A kind of environment-friendly phase change specialty decor spraying mortar, in parts by weight, including following components:
6 parts of microencapsulated phase change material,
85 parts of cement,
110 parts of river sand,
1.5 parts of water-reducing agent,
2.5 parts of hydroxymethyl cellulose,
0.7 part of fire retardant,
1.2 parts of powdered whiting,
15 parts of water；
The cyst wall of the microencapsulated phase change material is titanium dioxide-rubber powder/expanded polystyrene (EPS) composite material, and capsule-core is
The mixture of paraffin and octadecane, the two mass ratio are 1:1.1, and the mass ratio of cyst wall and capsule-core is 1:3；
Preparation method includes the following steps:
(1) dispersion is mixed in rubber powder and ethyl alcohol, dispersion liquid is made；
(2) dispersing agent, deionized water are mixed evenly, styrene monomer, the dispersion liquid of 1/2 mass are then added,
It is transferred to reaction kettle, continues the initiator that 1/2 mass is added dropwise, is stirred 10min at 65-75 DEG C, then proceedes to be added surplus
Remaining styrene monomer and initiator is warming up to 80-90 DEG C of reaction 6h, is cooled to room temperature after reaction, filters, dry, system
Obtain expanded polystyrene (EPS)/rubber composite material；Wherein, expanded polystyrene (EPS), rubber in expanded polystyrene (EPS)/rubber composite material
Mass ratio be 1:3.7；
(2) butyl titanate is add to deionized water stirring hydrolysis 35min, the mixed of paraffin and octadecane is then added
Object is closed, silane coupling agent and expanded polystyrene (EPS)/rubber composite material are then added while stirring, after addition, continues to stir
1.2h is mixed, is filtered, it is dry, microencapsulated phase change material is made；Wherein, the butyl titanate, deionized water mass ratio be 1:
3.5；Silane coupling agent, expanded polystyrene (EPS)/rubber composite material mass ratio are 0.03:1；
(3) by microencapsulated phase change material obtained above and cement, river sand, water-reducing agent, hydroxymethyl cellulose, fire retardant,
Powdered whiting continuously adds water stirring, decoration mortar is made after being uniformly mixed.
Embodiment 4
A kind of environment-friendly phase change specialty decor spraying mortar, in parts by weight, including following components:
7 parts of microencapsulated phase change material,
90 parts of cement,
120 parts of river sand,
2 parts of water-reducing agent,
3 parts of hydroxymethyl cellulose,
0.9 part of fire retardant,
1.6 parts of powdered whiting,
20 parts of water；
The cyst wall of the microencapsulated phase change material is titanium dioxide-rubber powder/expanded polystyrene (EPS) composite material, and capsule-core is
The mixture of paraffin and octadecane, the two mass ratio are 1:1.2, and the mass ratio of cyst wall and capsule-core is 1:4；
Preparation method includes the following steps:
(1) dispersion is mixed in rubber powder and ethyl alcohol, dispersion liquid is made；
(2) dispersing agent, deionized water are mixed evenly, styrene monomer, the dispersion liquid of 1/2 mass are then added,
It is transferred to reaction kettle, continues the initiator that 1/2 mass is added dropwise, is stirred 10min at 65-75 DEG C, then proceedes to be added surplus
Remaining styrene monomer and initiator is warming up to 80-90 DEG C of reaction 7h, is cooled to room temperature after reaction, filters, dry, system
Obtain expanded polystyrene (EPS)/rubber composite material；Wherein, expanded polystyrene (EPS), rubber in expanded polystyrene (EPS)/rubber composite material
Mass ratio be 1:3.9；
(2) butyl titanate is add to deionized water stirring hydrolysis 40min, the mixed of paraffin and octadecane is then added
Object is closed, silane coupling agent and expanded polystyrene (EPS)/rubber composite material are then added while stirring, after addition, continues to stir
1.4h is mixed, is filtered, it is dry, microencapsulated phase change material is made；Wherein, the butyl titanate, deionized water mass ratio be 1:
4；Silane coupling agent, expanded polystyrene (EPS)/rubber composite material mass ratio are 0.04:1；
(3) by microencapsulated phase change material obtained above and cement, river sand, water-reducing agent, hydroxymethyl cellulose, fire retardant,
Powdered whiting continuously adds water stirring, decoration mortar is made after being uniformly mixed.
Embodiment 5
A kind of environment-friendly phase change specialty decor spraying mortar, in parts by weight, including following components:
8 parts of microencapsulated phase change material,
90 parts of cement,
130 parts of river sand,
2 parts of water-reducing agent,
3.5 parts of hydroxymethyl cellulose,
1.1 parts of fire retardant,
1.6 parts of powdered whiting,
20 parts of water；
The cyst wall of the microencapsulated phase change material is titanium dioxide-rubber powder/expanded polystyrene (EPS) composite material, and capsule-core is
The mixture of paraffin and octadecane, the two mass ratio are 1:1.3, and the mass ratio of cyst wall and capsule-core is 1:5；
Preparation method includes the following steps:
(1) dispersion is mixed in rubber powder and ethyl alcohol, dispersion liquid is made；
(2) dispersing agent, deionized water are mixed evenly, styrene monomer, the dispersion liquid of 1/2 mass are then added,
It is transferred to reaction kettle, continues the initiator that 1/2 mass is added dropwise, is stirred 10min at 65-75 DEG C, then proceedes to be added surplus
Remaining styrene monomer and initiator is warming up to 80-90 DEG C of reaction 8h, is cooled to room temperature after reaction, filters, dry, system
Obtain expanded polystyrene (EPS)/rubber composite material；Wherein, expanded polystyrene (EPS), rubber in expanded polystyrene (EPS)/rubber composite material
Mass ratio be 1:4.1；
(2) butyl titanate is add to deionized water stirring hydrolysis 40min, the mixed of paraffin and octadecane is then added
Object is closed, silane coupling agent and expanded polystyrene (EPS)/rubber composite material are then added while stirring, after addition, continues to stir
1.6h is mixed, is filtered, it is dry, microencapsulated phase change material is made；Wherein, the butyl titanate, deionized water mass ratio be 1:
4；Silane coupling agent, expanded polystyrene (EPS)/rubber composite material mass ratio are 0.05:1；
(3) by microencapsulated phase change material obtained above and cement, river sand, water-reducing agent, hydroxymethyl cellulose, fire retardant,
Powdered whiting continuously adds water stirring, decoration mortar is made after being uniformly mixed.
Embodiment 6
A kind of environment-friendly phase change specialty decor spraying mortar, in parts by weight, including following components:
9 parts of microencapsulated phase change material,
95 parts of cement,
140 parts of river sand,
2 parts of water-reducing agent,
3.5 parts of hydroxymethyl cellulose,
1.2 parts of fire retardant,
1.8 parts of powdered whiting,
25 parts of water；
The cyst wall of the microencapsulated phase change material is titanium dioxide-rubber powder/expanded polystyrene (EPS) composite material, and capsule-core is
The mixture of paraffin and octadecane, the two mass ratio are 1:1.4, and the mass ratio of cyst wall and capsule-core is 1:6；
Preparation method includes the following steps:
(1) dispersion is mixed in rubber powder and ethyl alcohol, dispersion liquid is made；
(2) dispersing agent, deionized water are mixed evenly, styrene monomer, the dispersion liquid of 1/2 mass are then added,
It is transferred to reaction kettle, continues the initiator that 1/2 mass is added dropwise, is stirred 10min at 65-75 DEG C, then proceedes to be added surplus
Remaining styrene monomer and initiator is warming up to 80-90 DEG C of reaction 8h, is cooled to room temperature after reaction, filters, dry, system
Obtain expanded polystyrene (EPS)/rubber composite material；Wherein, expanded polystyrene (EPS), rubber in expanded polystyrene (EPS)/rubber composite material
Mass ratio be 1:4.3；
(2) butyl titanate is add to deionized water stirring hydrolysis 45min, the mixed of paraffin and octadecane is then added
Object is closed, silane coupling agent and expanded polystyrene (EPS)/rubber composite material are then added while stirring, after addition, continues to stir
1.8h is mixed, is filtered, it is dry, microencapsulated phase change material is made；Wherein, the butyl titanate, deionized water mass ratio be 1:
4.5；Silane coupling agent, expanded polystyrene (EPS)/rubber composite material mass ratio are 0.05:1；
(3) by microencapsulated phase change material obtained above and cement, river sand, water-reducing agent, hydroxymethyl cellulose, fire retardant,
Powdered whiting continuously adds water stirring, decoration mortar is made after being uniformly mixed.
Through performance test: the thermal coefficient of decoration mortar produced by the present invention is 0.125W/mk hereinafter, compression strength is
32MPa or more is recycled 10 years without leakage.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (9)
1. a kind of environment-friendly phase change specialty decor sprays mortar, which is characterized in that in parts by weight, including following components:
5-11 parts of microencapsulated phase change material,
80-100 parts of cement,
100-150 parts of river sand,
1-3 parts of water-reducing agent,
2-4 parts of hydroxymethyl cellulose,
0.5-1.2 parts of fire retardant,
1-2 parts of powdered whiting,
10-30 parts of water；
The cyst wall of the microencapsulated phase change material is titanium dioxide-rubber powder/expanded polystyrene (EPS) composite material, and capsule-core is paraffin
With the mixture of octadecane, the two mass ratio is 1:(1-1.5), the mass ratio of cyst wall and capsule-core is 1:(2-7).
2. a kind of environment-friendly phase change specialty decor as described in claim 1 sprays mortar, which is characterized in that the fire retardant is hydrogen
Magnesia.
3. a kind of environment-friendly phase change specialty decor as described in claim 1 sprays mortar, which is characterized in that the water-reducing agent is poly-
Carboxylate high efficiency water reducing agent.
4. a kind of preparation method of environment-friendly phase change specialty decor spraying mortar as described in claims 1 to 3 is any, feature exist
In, comprising the following steps:
(1) dispersion is mixed in rubber powder and ethyl alcohol, dispersion liquid is made；
(2) dispersing agent, deionized water are mixed evenly, styrene monomer, the dispersion liquid of 1/2 mass is then added, shifted
To reaction kettle, continues the initiator that 1/2 mass is added dropwise, be stirred 10min at 65-75 DEG C, then proceed to be added remaining
Styrene monomer and initiator are warming up to 80-90 DEG C of reaction 5-9h, are cooled to room temperature after reaction, filter, dry, are made
Expanded polystyrene (EPS)/rubber composite material；
(3) butyl titanate is add to deionized water stirring hydrolysis 30-50min, the mixed of paraffin and octadecane is then added
Object is closed, silane coupling agent and expanded polystyrene (EPS)/rubber composite material are then added while stirring, after addition, continues to stir
1-2h is mixed, is filtered, it is dry, microencapsulated phase change material is made；
(4) by microencapsulated phase change material obtained above and cement, river sand, water-reducing agent, hydroxymethyl cellulose, fire retardant, heavy
Calcium carbonate continuously adds water stirring, decoration mortar is made after being uniformly mixed.
5. a kind of preparation method of environment-friendly phase change specialty decor spraying mortar as claimed in claim 4, which is characterized in that step
(2) in, the dispersing agent is neopelex.
6. a kind of preparation method of environment-friendly phase change specialty decor spraying mortar as claimed in claim 4, which is characterized in that step
(2) in, expanded polystyrene (EPS) in expanded polystyrene (EPS)/rubber composite material, rubber mass ratio be 1:(3.5-4.5).
7. a kind of preparation method of environment-friendly phase change specialty decor spraying mortar as claimed in claim 4, which is characterized in that step
(2) in, the initiator is benzoyl peroxide.
8. a kind of preparation method of environment-friendly phase change specialty decor spraying mortar as claimed in claim 4, which is characterized in that step
(3) in, the butyl titanate, deionized water mass ratio be 1:(3-5).
9. a kind of preparation method of environment-friendly phase change specialty decor spraying mortar as claimed in claim 4, which is characterized in that step
(3) in, the silane coupling agent, expanded polystyrene (EPS)/rubber composite material mass ratio are (0.02-0.06): 1.
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| CN110317021A (en) * | 2019-07-09 | 2019-10-11 | 中国十七冶集团有限公司 | It is a kind of heat preservation and fire resisting integration jet printing type mortar |
| CN111058292A (en) * | 2019-12-12 | 2020-04-24 | 绍兴文理学院元培学院 | Method for preparing nanometer TiO2 type aromatic microcapsule composite material |
| CN111943585A (en) * | 2020-07-28 | 2020-11-17 | 马鞍山市金韩防水保温工程有限责任公司 | Environment-friendly phase-change decoration spraying mortar and preparation method thereof |
| CN113651586A (en) * | 2021-09-26 | 2021-11-16 | 浙江忠信新型建材股份有限公司 | Bottom layer plastering gypsum and preparation method thereof |
| CN113979695A (en) * | 2021-11-24 | 2022-01-28 | 许华 | Heat-storage temperature-regulating concrete and preparation method thereof |
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| CN113979695A (en) * | 2021-11-24 | 2022-01-28 | 许华 | Heat-storage temperature-regulating concrete and preparation method thereof |
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