CN106987208A - A kind of preparation method of concrete interface agent - Google Patents
A kind of preparation method of concrete interface agent Download PDFInfo
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- CN106987208A CN106987208A CN201710337085.6A CN201710337085A CN106987208A CN 106987208 A CN106987208 A CN 106987208A CN 201710337085 A CN201710337085 A CN 201710337085A CN 106987208 A CN106987208 A CN 106987208A
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D191/00—Coating compositions based on oils, fats or waxes; Coating compositions based on derivatives thereof
- C09D191/06—Waxes
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/014—Additives containing two or more different additives of the same subgroup in C08K
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
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- Life Sciences & Earth Sciences (AREA)
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- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention belongs to the technical field of coating, and in particular to a kind of preparation method of concrete interface agent.Peach gum insulation after rinsing is swelled by the present invention first, and homogenization, dried after rotary evaporation with aluminum oxide mixing and ball milling, then matrix material is calcined to obtain in insulation, then by paraffin, after the Hybrid Heatings such as deionized water, add ammonium persulfate, methyl methacrylate etc., filtration drying obtains Temperature regulating material after heating water bath, and obtain mixed and modified powder with matrix material mixing and ball milling, finally by silicon ash, flyash, the stirring such as mixed and modified powder mixes to obtain concrete interface agent, concrete interface agent freeze-thaw resistance prepared by the present invention is good, improve the water resistance of concrete base layer, endurance quality is good.
Description
Technical field
The invention belongs to the technical field of coating, and in particular to a kind of preparation method of concrete interface agent.
Background technology
In recent years, as people are continuously increased to the attention of building energy saving field, building energy saving field correlation technique is obtained
To fast development.Building is generally using frame structure, frame shear wall structure at present, and cast-in-place concrete is accounted in construction
There is larger specific gravity, and the support template of cast-in-place concrete technique was constructed generally using steel form, plank sheathing or bamboo bakelite plate etc.
Except formwork and form removal complex procedures in journey, also yielding in the presence of pouring into a mould, template consumption is big, the problems such as construction costs is higher.Together
When, according to the relevant regulations of building energy conservation, taken on external wall the mode of traditional interface agent sticking heat-preservation plate be incubated or
Person takes some that styrofoam or steel wire net rack styrofoam be placed on the inside of exterior sheathing to the way for carrying out cast-in-place concrete, but these
There are the quality problems such as construction is complicated and heat-insulation layer is easy to crack, seeps water, come off in method, it is difficult to realize in actual application
Insulation and purpose of the building structure with the life-span.In addition, traditional some shortcomings of interfacial agents generally existing, such as poor water resistance, especially
It is the easy moisture absorption intolerant to boiling water, is easily come unglued in wet environment, and poor durability, poor heat resistance, the glue-line after solidification has thermoplastic
Property, softening point is low (40~80 DEG C), and as temperature is raised, its intensity drastically declines, and creep, traditional interface agent also easily occurs
It cannot be used for the higher occasion of temperature to use, freeze-thaw resistance is poor, less than -5 DEG C easy freezings, produce demulsifying phenomenon, interfacial agents are with passing
The adhesive property of blanket insurance adiabator is poor, it is easily cracking, come off, the phenomenon such as hollowing.Therefore, a kind of freeze-thaw resistance is researched and developed
Good, adhesive property, water resistance and the good concrete interface agent of endurance quality have important practical significance.
The content of the invention
The technical problems to be solved by the invention：It is poor for traditional interfacial agents freeze-thaw resistance, demulsifying phenomenon is also easy to produce, together
When and insulation material adhesive property it is poor, there is provided a kind of concrete interface agent with the bad defect of endurance quality for water resistance
Preparation method.
In order to solve the above technical problems, the present invention uses technical scheme as described below：
（1）Fresh peach gum is taken to rinse, then in mass ratio 1:10, the peach gum after rinsing is mixed with deionized water and is swelled and must mix
Liquid, by mixed liquor homogeneous and rotary evaporation, obtains peach gum concentrate；
（2）In mass ratio 1:3, aluminum oxide is mixed with the stirring of peach gum concentrate, ball milling obtains ball milling slurry and is poured into mould,
Dry and be stripped, obtain dry blank, blank will be dried and be placed in tunnel cave, sintered rear stand is cooled to room temperature, obtains matrix material
Material；
（3）Count by weight, 45~50 parts of paraffin, 75~80 parts of deionized waters, 10~15 parts of cetyls three are weighed respectively
Methyl bromide ammonium, 3~5 parts of Tween-80s and 3~5 parts of Arlacel-80 stirring mixing, through heating water bath, obtain paraffin wax emulsions, by weight
Number meter, weighs 45~50 parts of paraffin wax emulsions, 0.5~1.0 part of ammonium persulfate, 15~20 parts of methyl methacrylates and 5 respectively
~10 parts of acrylic monomers stirrings are mixed and heated, and through filtering to obtain filter cake and drying, are prepared into Temperature regulating material；
（4）In mass ratio 1:5, by matrix material and Temperature regulating material mixing and ball milling, 150 mesh sieves are crossed, mixed and modified powder is obtained,
Count by weight, 45~50 parts of silicon ashes, 35~40 parts of flyash, 35~40 parts of deionized waters, 5~10 parts of diminishings are weighed respectively
Agent MH-JS-102 and 15~20 parts of mixed and modified powder stirring mixing, you can be prepared into a kind of concrete interface agent.
Step（1）Described rotating evaporation temperature is 65~70 DEG C.
Step（2）Described sintering temperature is 1300~1500 DEG C, a length of 2~3h during sintering.
Step（3）Described water bath heating temperature is 65~70 DEG C.
The present invention is compared with other method, and advantageous effects are：
（1）Peach gum of the present invention prepares interfacial agents as main body, the water-repellent modified processing in interface is carried out also by peach gum, because peach gum is molten
Liquid is in acidity, and electrolyte is smaller to its viscosity influence, Ca present in the building that interfacial agents are used2+、Mg2+、K+Deng for peach
The viscosity influence very little of glue, so peach gum can effectively permeate and complete the film of closing in substrate surface formation, improves interfacial agents
Combination effect between base material, improves its water-fast and endurance quality.
（2）Technical solution of the present invention is used as main base by paraffin, is loaded to the porous ceramic channel that calcining is formed
Inside gap, then compound through flyash and silicon ash etc., binder materials is formed it into, in use, due under Freezing-Melting Condition,
Paraffin matrix should be solidified and discharge heat, and heat is provided when being used under cryogenic for interfacial agents, interface is constantly reduced
Tolerance intensity of the agent material in low temperature environment, improves interfacial agents freeze-thaw resistance property.
Embodiment
Fresh peach gum is taken, after being rinsed 3~5 times with clear water, in mass ratio 1:10, the peach gum after rinsing is placed in 45~50 DEG C
In deionized water, insulation is swelled after 6~8h, obtains mixed liquor, then mixed liquor is placed in homogenizer, at room temperature homogenization
After 10~15min, then at 65~70 DEG C rotation be evaporated to the 1/5 of original volume, be prepared into peach gum concentrate；In mass ratio 1:3,
Aluminum oxide is mixed with the stirring of peach gum concentrate, at room temperature by 350~400r/min, 3~5h of ball milling, ball milling slurry is obtained and pours
Note is into mould, and vacuum freeze drying is simultaneously stripped, and obtains dry blank；Blank will be dried to be placed in tunnel cave, at 150~200 DEG C
After 15~20min of lower preheating, then by 10 DEG C/min it is warming up to 1300~1500 DEG C, subsequent 2~3h of heat preservation sintering waits to stand cooling
To room temperature, matrix material is prepared into；Count by weight, 45~50 parts of paraffin, 75~80 parts of deionized waters, 10 are weighed respectively
~15 parts of cetyl trimethylammonium bromides, 3~5 parts of Tween-80s and 3~5 parts of Arlacel-80s are placed in beaker, at 65~70 DEG C
25~30min of lower heating water bath, is prepared into paraffin wax emulsions；Count by weight, 45~50 parts of paraffin wax emulsions, 0.5 are weighed respectively
~1.0 parts of ammonium persulfates, 15~20 parts of methyl methacrylates and 5~10 parts of acrylic monomers are placed in four-hole boiling flask, 65
At~70 DEG C after 2~3h of heating water bath, stop heating and filtering, obtain filter cake and vacuum freeze drying, be prepared into temperature adjustment material
Material；In mass ratio 1:5, the matrix material of preparation is mixed with Temperature regulating material and is placed in ball grinder, in 350~400r/
Under min after 3~5h of ball milling, 150 mesh sieves are crossed, mixed and modified powder is obtained；Count by weight, weigh respectively 45~50 parts of silicon ashes,
35~40 parts of flyash, 35~40 parts of deionized waters, 5~10 parts of water reducer MH-JS-102 and 15~20 parts of mixed and modified powder
It is placed in blender, 25~30min of mixing is stirred at room temperature, you can is prepared into a kind of concrete interface agent.
Example 1
Fresh peach gum is taken, after being rinsed 3 times with clear water, in mass ratio 1:10, the peach gum after rinsing is placed in 45 DEG C of deionized waters,
Insulation is swelled after 6h, obtains mixed liquor, then mixed liquor is placed in homogenizer, at room temperature after homogenization 10min, then 65
Rotation is evaporated to the 1/5 of original volume at DEG C, is prepared into peach gum concentrate；In mass ratio 1:3, aluminum oxide is stirred with peach gum concentrate
Mixing is mixed, at room temperature by 350r/min ball milling 3h, ball milling slurry is obtained and is poured into mould, vacuum freeze drying is simultaneously stripped,
Blank must be dried；Blank will be dried to be placed in tunnel cave, preheated at 150 DEG C after 15min, then 1300 are warming up to by 10 DEG C/min
DEG C, subsequent heat preservation sintering 2h after standing is cooled to room temperature, is prepared into matrix material；Count by weight, 45 parts are weighed respectively
Paraffin, 75 parts of deionized waters, 10 parts of cetyl trimethylammonium bromides, 3 parts of Tween-80s and 3 parts of Arlacel-80s are placed in beaker,
Heating water bath 25min, is prepared into paraffin wax emulsions at 65 DEG C；Count by weight, weigh respectively 45 parts of paraffin wax emulsions, 0.5 part
Ammonium persulfate, 15 parts of methyl methacrylates and 5 parts of acrylic monomers are placed in four-hole boiling flask, the heating water bath 2h at 65 DEG C
Afterwards, stop heating and filtering, obtain filter cake and vacuum freeze drying, be prepared into Temperature regulating material；In mass ratio 1:5, it will prepare
Matrix material mix and be placed in ball grinder with Temperature regulating material, under 350r/min after ball milling 3h, cross 150 mesh sieves, obtain
Mixed and modified powder；Count by weight, 45 parts of silicon ashes, 35 parts of flyash, 35 parts of deionized waters, 5 parts of water reducers are weighed respectively
MH-JS-102 and 15 part of mixed and modified powder is placed in blender, mixing 25min is stirred at room temperature, you can be prepared into one kind
Concrete interface agent.
Substrate surface loosening and cracking position are cut and repaired first, it is ensured that basal plane is solid smooth, is in environment temperature
10 DEG C, relative humidity be 50% under conditions of, the concrete interface agent obtained by the present invention is brushed on basal plane with roller, control
Brushing thickness is 0.8mm, can carry out subsequent handling after natural curing 18h, after testing, the concrete interface agent obtained by the present invention
Freeze-thaw resistance it is good, do not freezed at -25 DEG C, the use of shear bonding strength after 2 days be 1.5MPa, tensile bond strength is
0.8MPa。
Example 2
Fresh peach gum is taken, after being rinsed 5 times with clear water, in mass ratio 1:10, the peach gum after rinsing is placed in 50 DEG C of deionized waters,
Insulation is swelled after 8h, obtains mixed liquor, then mixed liquor is placed in homogenizer, at room temperature after homogenization 15min, then 70
Rotation is evaporated to the 1/5 of original volume at DEG C, is prepared into peach gum concentrate；In mass ratio 1:3, aluminum oxide is stirred with peach gum concentrate
Mixing is mixed, at room temperature by 400r/min ball milling 5h, ball milling slurry is obtained and is poured into mould, vacuum freeze drying is simultaneously stripped,
Blank must be dried；Blank will be dried to be placed in tunnel cave, preheated at 200 DEG C after 20min, then 1500 are warming up to by 10 DEG C/min
DEG C, subsequent heat preservation sintering 3h after standing is cooled to room temperature, is prepared into matrix material；Count by weight, 50 parts are weighed respectively
Paraffin, 80 parts of deionized waters, 15 parts of cetyl trimethylammonium bromides, 5 parts of Tween-80s and 5 parts of Arlacel-80s are placed in beaker,
Heating water bath 30min, is prepared into paraffin wax emulsions at 70 DEG C；Count by weight, weigh respectively 50 parts of paraffin wax emulsions, 1.0 parts
Ammonium persulfate, 20 parts of methyl methacrylates and 10 parts of acrylic monomers are placed in four-hole boiling flask, the heating water bath 3h at 70 DEG C
Afterwards, stop heating and filtering, obtain filter cake and vacuum freeze drying, be prepared into Temperature regulating material；In mass ratio 1:5, it will prepare
Matrix material mix and be placed in ball grinder with Temperature regulating material, under 400r/min after ball milling 5h, cross 150 mesh sieves, obtain
Mixed and modified powder；Count by weight, 50 parts of silicon ashes, 40 parts of flyash, 40 parts of deionized waters, 10 parts of water reducers are weighed respectively
MH-JS-102 and 20 part of mixed and modified powder is placed in blender, mixing 30min is stirred at room temperature, you can be prepared into one kind
Concrete interface agent.
Substrate surface loosening and cracking position are cut and repaired first, it is ensured that basal plane is solid smooth, is in environment temperature
20 DEG C, relative humidity be 60% under conditions of, the concrete interface agent obtained by the present invention is brushed on basal plane with roller, control
Brushing thickness is 1.2mm, can carry out subsequent handling after natural curing 24h, after testing, the concrete interface agent obtained by the present invention
Freeze-thaw resistance it is good, do not freezed at -15 DEG C, the use of shear bonding strength after 3 days be 3.0MPa, tensile bond strength is
2.5MPa。
Example 3
Fresh peach gum is taken, after being rinsed 4 times with clear water, in mass ratio 1:10, the peach gum after rinsing is placed in 48 DEG C of deionized waters,
Insulation is swelled after 7h, obtains mixed liquor, then mixed liquor is placed in homogenizer, at room temperature after homogenization 13min, then 68
Rotation is evaporated to the 1/5 of original volume at DEG C, is prepared into peach gum concentrate；In mass ratio 1:3, aluminum oxide is stirred with peach gum concentrate
Mixing is mixed, at room temperature by 375r/min ball milling 4h, ball milling slurry is obtained and is poured into mould, vacuum freeze drying is simultaneously stripped,
Blank must be dried；Blank will be dried to be placed in tunnel cave, preheated at 175 DEG C after 18min, then 1400 are warming up to by 10 DEG C/min
DEG C, subsequent heat preservation sintering 2.5h after standing is cooled to room temperature, is prepared into matrix material；Count by weight, 48 are weighed respectively
Part paraffin, 78 parts of deionized waters, 13 parts of cetyl trimethylammonium bromides, 4 parts of Tween-80s and 4 parts of Arlacel-80s are placed in beaker
In, heating water bath 28min, is prepared into paraffin wax emulsions at 68 DEG C；Count by weight, 48 parts of paraffin wax emulsions, 0.8 are weighed respectively
Part ammonium persulfate, 18 parts of methyl methacrylates and 8 parts of acrylic monomers are placed in four-hole boiling flask, the heating water bath at 68 DEG C
After 2.5h, stop heating and filtering, obtain filter cake and vacuum freeze drying, be prepared into Temperature regulating material；In mass ratio 1:5, will
The matrix material of preparation is mixed with Temperature regulating material to be placed in ball grinder, under 375r/min after ball milling 4h, crosses 150 mesh
Sieve, obtains mixed and modified powder；Count by weight, weigh respectively 48 parts of silicon ashes, 38 parts of flyash, 38 parts of deionized waters, 8 parts subtract
Aqua MH-JS-102 and 18 parts of mixed and modified powder are placed in blender, mixing 23min are stirred at room temperature, you can be prepared into
A kind of concrete interface agent.
Substrate surface loosening and cracking position are cut and repaired first, it is ensured that basal plane is solid smooth, is in environment temperature
15 DEG C, relative humidity be 55% under conditions of, the concrete interface agent obtained by the present invention is brushed on basal plane with roller, control
Brushing thickness is 1.0mm, can carry out subsequent handling after natural curing 21h, after testing, the concrete interface agent obtained by the present invention
Freeze-thaw resistance it is good, do not freezed at -20 DEG C, the use of shear bonding strength after 2 days be 2.3MPa, tensile bond strength is
1.7MPa。
Claims (4)
1. a kind of preparation method of concrete interface agent, it is characterised in that specifically preparation process is：
（1）Fresh peach gum is taken to rinse, then in mass ratio 1:10, the peach gum after rinsing is mixed with deionized water and is swelled and must mix
Liquid, by mixed liquor homogeneous and rotary evaporation, obtains peach gum concentrate；
（2）In mass ratio 1:3, aluminum oxide is mixed with the stirring of peach gum concentrate, ball milling obtains ball milling slurry and is poured into mould,
Dry and be stripped, obtain dry blank, blank will be dried and be placed in tunnel cave, sintered rear stand is cooled to room temperature, obtains matrix material
Material；
（3）Count by weight, 45~50 parts of paraffin, 75~80 parts of deionized waters, 10~15 parts of cetyls three are weighed respectively
Methyl bromide ammonium, 3~5 parts of Tween-80s and 3~5 parts of Arlacel-80 stirring mixing, through heating water bath, obtain paraffin wax emulsions, by weight
Number meter, weighs 45~50 parts of paraffin wax emulsions, 0.5~1.0 part of ammonium persulfate, 15~20 parts of methyl methacrylates and 5 respectively
~10 parts of acrylic monomers stirrings are mixed and heated, and through filtering to obtain filter cake and drying, are prepared into Temperature regulating material；
（4）In mass ratio 1:5, by matrix material and Temperature regulating material mixing and ball milling, 150 mesh sieves are crossed, mixed and modified powder is obtained,
Count by weight, 45~50 parts of silicon ashes, 35~40 parts of flyash, 35~40 parts of deionized waters, 5~10 parts of diminishings are weighed respectively
Agent MH-JS-102 and 15~20 parts of mixed and modified powder stirring mixing, you can be prepared into a kind of freeze-thawing resistant type concrete interface agent.
2. a kind of preparation method of concrete interface agent according to claim 1, it is characterised in that：Step（1）Described
Rotating evaporation temperature is 65~70 DEG C.
3. a kind of preparation method of concrete interface agent according to claim 1, it is characterised in that：Step（2）Described
Sintering temperature is 1300~1500 DEG C, a length of 2~3h during sintering.
4. a kind of preparation method of concrete interface agent according to claim 1, it is characterised in that：Step（3）Described
Water bath heating temperature is 65~70 DEG C.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710337085.6A CN106987208A (en) | 2017-05-14 | 2017-05-14 | A kind of preparation method of concrete interface agent |
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| CN201710337085.6A CN106987208A (en) | 2017-05-14 | 2017-05-14 | A kind of preparation method of concrete interface agent |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108726953A (en) * | 2018-07-27 | 2018-11-02 | 重庆建工建材物流有限公司 | A kind of frost thawing resistance concrete interfacial agents and preparation method |
-
2017
- 2017-05-14 CN CN201710337085.6A patent/CN106987208A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108726953A (en) * | 2018-07-27 | 2018-11-02 | 重庆建工建材物流有限公司 | A kind of frost thawing resistance concrete interfacial agents and preparation method |
| CN108726953B (en) * | 2018-07-27 | 2021-03-23 | 重庆建工建材物流有限公司 | Freeze-thaw resistant concrete interface agent and preparation method thereof |
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Application publication date: 20170728 |