CN108410248A

CN108410248A - A kind of exterior wall putty and preparation method thereof being modified based on aerating aluminium powder

Info

Publication number: CN108410248A
Application number: CN201810604981.9A
Authority: CN
Inventors: 黄洋
Original assignee: Hefei Guang Min Building Materials Co Ltd
Current assignee: Hefei Guang Min Building Materials Co Ltd
Priority date: 2018-06-13
Filing date: 2018-06-13
Publication date: 2018-08-17

Abstract

The invention discloses a kind of exterior wall putties being modified based on aerating aluminium powder, include the raw material of following parts by weight：36 42 parts of mixed emulsion, modified 28 32 parts of aerating aluminium powder, 24 26 parts of alumina silicate fibre doping expansion green mud mountain flour, 14 18 parts of dicalcium powder, 8 12 parts of smectite powder, 6 10 parts of aerogel blanket, 37 parts of starch ether, 25 parts of alabaster powder, 12 18 parts of deionized water.The object of the present invention is to provide a kind of exterior wall putties being modified based on aerating aluminium powder, and not only heat insulation effect is good for the putty, and sound insulation value is preferable, and compared with prior art, comprehensive performance is greatly improved, and have higher use value and good application prospect.

Description

A kind of exterior wall putty and preparation method thereof being modified based on aerating aluminium powder

Technical field

The present invention relates to exterior wall putty technical fields, and in particular to it is a kind of based on aerating aluminium powder be modified exterior wall putty and its Preparation method.

Background technology

Outer wall flexible putty powder is a kind of high-quality outer surface of wall mixed with coarse whiting, white cement, organic additive The characteristics of alignment material, product have pure white, exquisiteness, and construction workability is good, and intensity is high, water-tolerant, cracking resistance, filler：Weight Matter calcium carbonate, can be selected commercially available albarium, and grain size is less than 200 mesh, rubber powder：Waterproof and heat-insulating putty can improve cohering for material Performance and cohesive force, reduce the elasticity modulus of moulding material, and the elasticity and flexural strength of reinforcing material improve the resistance to punching of material It hits and weatherability, reduce the water imbibition of material and improves the water-retaining property using process, it is soluble easily in water, it is suitable for cement mortar, mixed Each type building surfaces such as mortar, concrete, ceramic tile, mosaic are closed, as people's quality of life is continuously improved, people's External Wall Putty claims higher and higher, therefore existing exterior wall putty is extremely difficult to require, and need to further research and develop.

Existing Chinese patent literature (publication number：CN105295496B a kind of insulation putty and its preparation side) are disclosed Method, the insulation putty include following component：Polymer emulsion：10%~30% part；Hollow ceramic microspheres：7%~15% Part；Aerosil：1%~10% part；Dicalcium powder：5%~10% part；Talcum powder：5%~10% part；Flyash floats Pearl：5%~10% part；Reinforcing fiber：0.3%~0.5% part；Auxiliary agent：1%~3% part, auxiliary agent includes：Dispersant, antifoaming agent And mould inhibitor；And excess water, the heat preservation putty are matched using convenient source, performance still needs to further improve.

Chinese patent literature (publication number：CN105086562B) disclose kind of concave convex rod building wall plastotype decoration putty and Preparation method is related to architectural decoration material field, by sticky attapulgite 5~15%, rubber powder 1~5%, calcium formate 0.1~ 1%, powdery polycarboxylic acid 1~5%, cement 25~40% and talcum powder 50~70%, the invention material property is mainly by sticky recessed Convex stick soil provides, and thus the putty sound insulation value is poor, and performance synthesis gets up or not all right.

Invention content

In view of the drawbacks of the prior art, the object of the present invention is to provide it is a kind of based on aerating aluminium powder be modified exterior wall putty, Not only heat insulation effect is good for the putty, and sound insulation value is preferable, and compared with prior art, comprehensive performance is greatly improved, and has higher Use value and good application prospect.

The present invention solves technical problem and adopts the following technical scheme that：

The present invention provides a kind of exterior wall putties being modified based on aerating aluminium powder, include the raw material of following parts by weight：

36-42 parts of mixed emulsion, modified 28-32 parts of aerating aluminium powder, alumina silicate fibre doping expansion green mud mountain flour 24-26 Part, 2-5 parts of alabaster powder, is gone 14-18 parts of dicalcium powder, 8-12 parts of smectite powder, 6-10 parts of aerogel blanket, 3-7 parts of starch ether 12-18 parts of ionized water.

Preferably, the exterior wall putty being modified based on aerating aluminium powder includes the raw material of following parts by weight：

39 parts of mixed emulsion, modified 30 parts of aerating aluminium powder, 25 parts of alumina silicate fibre doping expansion green mud mountain flour, dicalcium powder 16 Part, 10 parts of smectite powder, 8 parts of aerogel blanket, 5 parts of starch ether, 3.5 parts of alabaster powder, 15 parts of deionized water.

Preferably, the mixed emulsion is acrylic emulsion, silicone acrylic emulsion, polystyrene microsphere lotion according to weight ratio 6: 3:The mixture of 1 composition.

Preferably, the modified aerating aluminium powder preparation method is to mix aerating aluminium powder, expanded graphite, and quality is added Score is 35-45% dilute sulfuric acids, then presses dilute sulfuric acid, water volume ratio 1:6 addition water are stirred, speed of agitator 75-85r/ Min, mixing time 25-35min then add dodecyl sodium sulfate, calgon, continue to stir 15-25min, It is detached with Buchner funnel, is then washed with ethyl alcohol again, dry in being sent into baking oven, drying temperature is 90 DEG C, dry Time is 2h, is subsequently sent to be expanded in heating furnace, and expansion temperature is 1000 DEG C to get modified aerating aluminium powder.

Preferably, the aerating aluminium powder, expanded graphite are according to weight ratio 5:1 is mixed.

Preferably, in the alumina silicate fibre doping expansion green mud mountain flour expansion green mud mountain flour use chlorite temperature for 600-700 DEG C of expansion 25-35min is that 30% dilute hydrochloric acid is acidified, then is dried at being 110 DEG C in temperature followed in turn by score To constant weight.

Preferably, the alumina silicate fibre, expansion green mud mountain flour are according to weight ratio (9-11):3 are doped mixing.

Preferably, the alumina silicate fibre, expansion green mud mountain flour are according to weight ratio 10:3 are doped mixing.

The present invention also provides a kind of preparation methods for the exterior wall putty being modified based on aerating aluminium powder, include the following steps：

Step 1 weighs each component raw material as required；

Step 2, by mixed emulsion, modified aerating aluminium powder, alumina silicate fibre doping expansion green mud mountain flour, dicalcium powder, go from Sub- water sequentially adds in homogenizer, rotating speed 650-750r/min, stirs 35-45min, and mixture A is made；

It is mixed to be sequentially added high speed by step 2 for mixture A, gas smectite powder, aerogel blanket, starch ether, alabaster powder In conjunction machine, be sufficiently stirred so that all material be uniformly mixed, mixing speed 1150-1250r/min, mixing time 1-2 hours, i.e., The exterior wall putty being modified based on aerating aluminium powder that must be invented.

Preferably, the exterior wall putty preparation method being modified based on aerating aluminium powder is：

Step 1 weighs each component raw material as required；

Step 2, by mixed emulsion, modified aerating aluminium powder, alumina silicate fibre doping expansion green mud mountain flour, dicalcium powder, go from Sub- water sequentially adds in homogenizer, rotating speed 700r/min, stirs 40min, and mixture A is made；

It is mixed to be sequentially added high speed by step 2 for mixture A, gas smectite powder, aerogel blanket, starch ether, alabaster powder In conjunction machine, it is sufficiently stirred so that all material is uniformly mixed, mixing speed 1200r/min, mixing time 1.5 hours is to get hair The bright exterior wall putty being modified based on aerating aluminium powder.

Compared with prior art, the present invention has following advantageous effect：

(1) mixed emulsion of the invention is the mixing of acrylic emulsion, silicone acrylic emulsion, polystyrene microsphere lotion composition Object, acrylic emulsion have excellent resistance to acid and alkali, silicone acrylic emulsion flexibility, adhesion good, and polystyrene microsphere lotion is as two Person's filler material, surface area is big, and the component that mixed emulsion can be improved fully combines, and improves its performance.

(2) there is aerating aluminium powder peculiar porous structure, inner homogeneous to be distributed a large amount of sealed porositys, can play soundproof effect, Thermal coefficient is 0.11-0.16W/MK simultaneously, has good heat insulation effect, and expanded graphite can expand at high temperature, improve Heat insulation, the two is mixed and modified, further increases its activity and performance, heat preservation, sound insulation of exterior wall putty etc. then can be improved Performance.

(3) alumina silicate fibre of the invention has low heat conductivity, excellent thermal stability and chemical stability, green mud mountain flour It is used as alumina silicate fibre filler after expansion, alumina silicate fibre heat-insulating property can be improved, alumina silicate fibre adulterates chlorite Powder plays synergistic effect with modified aerating aluminium powder, further increases the heat-insulating property of material.

(4) it is obtained from embodiment 3 and comparative example 1-5, thermal coefficient of the present invention reduces respectively relative to comparative example 4,5 0.034W/m².K、0.030W/m².K, 0.52MPa, 0.48MPa has been respectively increased in adhesive strength, and the present invention is not added with polystyrene Microballoon lotion adhesive strength declines 0.23MPa, therefore its lotion has a significant impact to powder of lacquer putty for use on adhesive strength.

Specific implementation mode

With reference to specific embodiment, technical scheme in the embodiment of the invention is clearly and completely described, shows So, described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Based on the reality in the present invention Example is applied, every other embodiment obtained by those of ordinary skill in the art without making creative efforts all belongs to In the scope of protection of the invention.

Embodiment 1.

The present embodiment the present invention provides a kind of exterior wall putties being modified based on aerating aluminium powder, including following parts by weight Raw material：

42 parts of mixed emulsion, modified 32 parts of aerating aluminium powder, 26 parts of alumina silicate fibre doping expansion green mud mountain flour, dicalcium powder 18 Part, 12 parts of smectite powder, 10 parts of aerogel blanket, 7 parts of starch ether, 5 parts of alabaster powder, 18 parts of deionized water.

The mixed emulsion of the present embodiment is acrylic emulsion, silicone acrylic emulsion, polystyrene microsphere lotion according to weight ratio 6: 3:The mixture of 1 composition.

The modification aerating aluminium powder preparation method of the present embodiment is to mix aerating aluminium powder, expanded graphite, and quality is added Score is 45% dilute sulfuric acid, then presses dilute sulfuric acid, water volume ratio 1:6 addition water are stirred, and speed of agitator 85r/min is stirred It is 35min to mix the time, then adds dodecyl sodium sulfate, calgon, continues to stir 25min, then use Buchner funnel It is detached, is then washed with ethyl alcohol, dry in being sent into baking oven, drying temperature is 90 DEG C, drying time 2h, then It is sent into heating furnace and is expanded, expansion temperature is 1000 DEG C to get modified aerating aluminium powder.

The aerating aluminium powder of the present embodiment, expanded graphite are according to weight ratio 5:1 is mixed.

The present embodiment alumina silicate fibre doping expansion green mud mountain flour in expansion green mud mountain flour use chlorite temperature for 700 DEG C of expansion 35min are that 30% dilute hydrochloric acid is acidified, then drying to constant weight at being 110 DEG C in temperature followed in turn by score.

The alumina silicate fibre of the present embodiment expands green mud mountain flour according to weight ratio 11:3 are doped mixing.

A kind of preparation method of exterior wall putty being modified based on aerating aluminium powder of the present embodiment, is included the following steps：

Step 1 weighs each component raw material as required；

Step 2, by mixed emulsion, modified aerating aluminium powder, alumina silicate fibre doping expansion green mud mountain flour, dicalcium powder, go from Sub- water sequentially adds in homogenizer, rotating speed 750r/min, stirs 45min, and mixture A is made；

It is mixed to be sequentially added high speed by step 2 for mixture A, gas smectite powder, aerogel blanket, starch ether, alabaster powder In conjunction machine, it is sufficiently stirred so that all material is uniformly mixed, mixing speed 1250r/min, mixing time 2 hours is to get invention Based on aerating aluminium powder be modified exterior wall putty.

Embodiment 2.

36 parts of mixed emulsion, modified 28 parts of aerating aluminium powder, 24 parts of alumina silicate fibre doping expansion green mud mountain flour, dicalcium powder 14 Part, 8 parts of smectite powder, 6 parts of aerogel blanket, 3 parts of starch ether, 2 parts of alabaster powder, 12 parts of deionized water.

The modification aerating aluminium powder preparation method of the present embodiment is to mix aerating aluminium powder, expanded graphite, and quality is added Score is 35% dilute sulfuric acid, then presses dilute sulfuric acid, water volume ratio 1:6 addition water are stirred, and speed of agitator 75r/min is stirred It is 25min to mix the time, then adds dodecyl sodium sulfate, calgon, continues to stir 15min, then use Buchner funnel It is detached, is then washed with ethyl alcohol, dry in being sent into baking oven, drying temperature is 90 DEG C, drying time 2h, then It is sent into heating furnace and is expanded, expansion temperature is 1000 DEG C to get modified aerating aluminium powder.

The present embodiment alumina silicate fibre doping expansion green mud mountain flour in expansion green mud mountain flour use chlorite temperature for 600 DEG C of expansion 25min are that 30% dilute hydrochloric acid is acidified, then drying to constant weight at being 110 DEG C in temperature followed in turn by score.

The alumina silicate fibre of the present embodiment expands green mud mountain flour according to weight ratio 3:1 is doped mixing.

Step 1 weighs each component raw material as required；

Step 2, by mixed emulsion, modified aerating aluminium powder, alumina silicate fibre doping expansion green mud mountain flour, dicalcium powder, go from Sub- water sequentially adds in homogenizer, rotating speed 650r/min, stirs 35min, and mixture A is made；

It is mixed to be sequentially added high speed by step 2 for mixture A, gas smectite powder, aerogel blanket, starch ether, alabaster powder In conjunction machine, it is sufficiently stirred so that all material is uniformly mixed, mixing speed 1150r/min, mixing time 1 hour is to get invention Based on aerating aluminium powder be modified exterior wall putty.

Embodiment 3.

The modification aerating aluminium powder preparation method of the present embodiment is to mix aerating aluminium powder, expanded graphite, and quality is added Score is 40% dilute sulfuric acid, then presses dilute sulfuric acid, water volume ratio 1:6 addition water are stirred, and speed of agitator 80r/min is stirred It is 30min to mix the time, then adds dodecyl sodium sulfate, calgon, continues to stir 20min, then use Buchner funnel It is detached, is then washed with ethyl alcohol, dry in being sent into baking oven, drying temperature is 90 DEG C, drying time 2h, then It is sent into heating furnace and is expanded, expansion temperature is 1000 DEG C to get modified aerating aluminium powder.

The present embodiment alumina silicate fibre doping expansion green mud mountain flour in expansion green mud mountain flour use chlorite temperature for 650 DEG C of expansion 30min are that 30% dilute hydrochloric acid is acidified, then drying to constant weight at being 110 DEG C in temperature followed in turn by score.

The alumina silicate fibre of the present embodiment expands green mud mountain flour according to weight ratio 10:3 are doped mixing.

Step 1 weighs each component raw material as required；

Comparative example 1.

It is essentially identical with the material and preparation process of embodiment 3, it has only the difference is that aerating aluminium powder is non-modified.

Comparative example 2.

It is essentially identical with the material and preparation process of embodiment 3, it has only the difference is that alumina silicate fibre is green undoped with expanding Mudstone powder.

Comparative example 3.

It is essentially identical with the material and preparation process of embodiment 3, it has only the difference is that mixed emulsion is not added with polystyrene Microballoon lotion.

Comparative example 4.

It is essentially identical with the material and preparation process of embodiment 3, it has only the difference is that (open using Chinese patent literature Number：CN105295496B the raw material and method of embodiment 2 in a kind of insulation putty and preparation method thereof) are disclosed.

Comparative example 5.

It is essentially identical with the material and preparation process of embodiment 3, it has only the difference is that (open using Chinese patent literature Number：CN105086562B the raw material of embodiment 2 in kind of concave convex rod building wall plastotype decoration putty and preparation method thereof) is disclosed And method.

Embodiment 3 and comparative example 1-5 the performance test results are as follows

It is obtained from embodiment 3 and comparative example 1-5, thermal coefficient of the present invention reduces respectively relative to comparative example 4,5 0.034W/m².K、0.030W/m².K, 0.52MPa, 0.48MPa has been respectively increased in adhesive strength, and the present invention is not added with polystyrene Microballoon lotion adhesive strength declines 0.23MPa, therefore its lotion has a significant impact to powder of lacquer putty for use on adhesive strength.

It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie In the case of without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power Profit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent requirements of the claims Variation is included within the present invention.

In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art The other embodiment being appreciated that.

Claims

1. a kind of exterior wall putty being modified based on aerating aluminium powder, which is characterized in that include the raw material of following parts by weight：

36-42 parts of mixed emulsion, modified 28-32 part of aerating aluminium powder, alumina silicate fibre doping expand 24-26 parts of green mud mountain flour, again 14-18 parts of calcium powder, 8-12 parts of smectite powder, 6-10 parts of aerogel blanket, 3-7 parts of starch ether, 2-5 parts of alabaster powder, deionization 12-18 parts of water.

2. a kind of exterior wall putty being modified based on aerating aluminium powder according to claim 1, which is characterized in that described to be based on adding The exterior wall putty that gas aluminium powder is modified includes the raw material of following parts by weight：

39 parts of mixed emulsion, modified 30 parts of aerating aluminium powder, 25 parts of alumina silicate fibre doping expansion green mud mountain flour, 16 parts of dicalcium powder, 10 parts of smectite powder, 8 parts of aerogel blanket, 5 parts of starch ether, 3.5 parts of alabaster powder, 15 parts of deionized water.

3. a kind of exterior wall putty being modified based on aerating aluminium powder according to claim 1, which is characterized in that the mixing breast Liquid is acrylic emulsion, silicone acrylic emulsion, polystyrene microsphere lotion according to weight ratio 6:3:The mixture of 1 composition.

4. a kind of exterior wall putty being modified based on aerating aluminium powder according to claim 1, which is characterized in that the modification adds Gas aluminium powder preparation method is to mix aerating aluminium powder, expanded graphite, and addition mass fraction is 35-45% dilute sulfuric acids, is then pressed Dilute sulfuric acid, water volume ratio 1:6 addition water are stirred, speed of agitator 75-85r/min, mixing time 25-35min, then Dodecyl sodium sulfate, calgon are added, continues to stir 15-25min, then detached with Buchner funnel, then use Ethyl alcohol is washed, dry in being sent into baking oven, and drying temperature is 90 DEG C, drying time 2h, be subsequently sent in heating furnace into Row expansion, expansion temperature are 1000 DEG C to get modified aerating aluminium powder.

5. a kind of exterior wall putty being modified based on aerating aluminium powder according to claim 4, which is characterized in that the aerating aluminium Powder, expanded graphite are according to weight ratio 5:1 is mixed.

6. a kind of exterior wall putty being modified based on aerating aluminium powder according to claim 1, which is characterized in that the alumina silicate Expansion green mud mountain flour uses chlorite in temperature for 600-700 DEG C of expansion 25-35min in fiber doping expansion green mud mountain flour, with It is that 30% dilute hydrochloric acid is acidified, then drying to constant weight at being 110 DEG C in temperature with score again afterwards.

7. a kind of exterior wall putty being modified based on aerating aluminium powder according to claim 1, which is characterized in that the alumina silicate Fiber, expansion green mud mountain flour are according to weight ratio（9-11）:3 are doped mixing.

8. a kind of exterior wall putty being modified based on aerating aluminium powder according to claim 7, which is characterized in that the alumina silicate Fiber, expansion green mud mountain flour are according to weight ratio 10:3 are doped mixing.

9. a kind of method preparing the exterior wall putty being modified as claimed in claim 1 or 2 based on aerating aluminium powder, feature are existed In including the following steps：

Step 1 weighs each component raw material as required；

Step 2, by mixed emulsion, modified aerating aluminium powder, alumina silicate fibre doping expansion green mud mountain flour, dicalcium powder, deionized water It sequentially adds in homogenizer, rotating speed 650-750r/min, stirs 35-45min, mixture A is made；

Mixture A, gas smectite powder, aerogel blanket, starch ether, alabaster powder are sequentially added high-speed mixer by step 2 In, it is sufficiently stirred so that all material is uniformly mixed, mixing speed 1150-1250r/min, mixing time 1-2 hours is to get hair The bright exterior wall putty being modified based on aerating aluminium powder.

10. a kind of preparation method of exterior wall putty being modified based on aerating aluminium powder according to claim 9, feature are existed In the exterior wall putty preparation method being modified based on aerating aluminium powder is：

Step 1 weighs each component raw material as required；

Step 2, by mixed emulsion, modified aerating aluminium powder, alumina silicate fibre doping expansion green mud mountain flour, dicalcium powder, deionized water It sequentially adds in homogenizer, rotating speed 700r/min, stirs 40min, mixture A is made；

Mixture A, gas smectite powder, aerogel blanket, starch ether, alabaster powder are sequentially added high-speed mixer by step 2 In, it is sufficiently stirred so that all material is uniformly mixed, mixing speed 1200r/min, mixing time 1.5 hours is to get invention The exterior wall putty being modified based on aerating aluminium powder.