CN103058539B - Rubber powder for facing mortar - Google Patents
Rubber powder for facing mortar Download PDFInfo
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- CN103058539B CN103058539B CN201210573467.6A CN201210573467A CN103058539B CN 103058539 B CN103058539 B CN 103058539B CN 201210573467 A CN201210573467 A CN 201210573467A CN 103058539 B CN103058539 B CN 103058539B
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- facing mortar
- acrylic emulsion
- anhydrous alumina
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- 239000000843 powder Substances 0.000 title claims abstract description 80
- 239000004570 mortar (masonry) Substances 0.000 title claims abstract description 79
- 229920001971 elastomer Polymers 0.000 title claims abstract description 74
- 239000000839 emulsion Substances 0.000 claims abstract description 62
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims abstract description 50
- 238000000034 method Methods 0.000 claims abstract description 7
- 238000002360 preparation method Methods 0.000 claims abstract 3
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 claims description 26
- 239000000463 material Substances 0.000 claims description 24
- 239000004160 Ammonium persulphate Substances 0.000 claims description 20
- VVQNEPGJFQJSBK-UHFFFAOYSA-N Methyl methacrylate Chemical compound COC(=O)C(C)=C VVQNEPGJFQJSBK-UHFFFAOYSA-N 0.000 claims description 20
- ROOXNKNUYICQNP-UHFFFAOYSA-N ammonium persulfate Chemical compound [NH4+].[NH4+].[O-]S(=O)(=O)OOS([O-])(=O)=O ROOXNKNUYICQNP-UHFFFAOYSA-N 0.000 claims description 20
- 235000019395 ammonium persulphate Nutrition 0.000 claims description 20
- CQEYYJKEWSMYFG-UHFFFAOYSA-N butyl acrylate Chemical compound CCCCOC(=O)C=C CQEYYJKEWSMYFG-UHFFFAOYSA-N 0.000 claims description 20
- DBMJMQXJHONAFJ-UHFFFAOYSA-M Sodium laurylsulphate Chemical compound [Na+].CCCCCCCCCCCCOS([O-])(=O)=O DBMJMQXJHONAFJ-UHFFFAOYSA-M 0.000 claims description 19
- 239000004141 Sodium laurylsulphate Substances 0.000 claims description 19
- 235000019333 sodium laurylsulphate Nutrition 0.000 claims description 19
- 238000004519 manufacturing process Methods 0.000 claims description 14
- 239000000203 mixture Substances 0.000 claims description 14
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 claims description 14
- 229910000030 sodium bicarbonate Inorganic materials 0.000 claims description 13
- 235000017557 sodium bicarbonate Nutrition 0.000 claims description 13
- UIIMBOGNXHQVGW-DEQYMQKBSA-M Sodium bicarbonate-14C Chemical compound [Na+].O[14C]([O-])=O UIIMBOGNXHQVGW-DEQYMQKBSA-M 0.000 claims description 7
- 238000001694 spray drying Methods 0.000 claims description 4
- 230000008676 import Effects 0.000 claims description 3
- 239000002994 raw material Substances 0.000 claims description 2
- 239000004568 cement Substances 0.000 abstract description 18
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 abstract description 6
- 238000010276 construction Methods 0.000 abstract description 3
- 230000036571 hydration Effects 0.000 abstract description 2
- 238000006703 hydration reaction Methods 0.000 abstract description 2
- 230000008569 process Effects 0.000 abstract description 2
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 abstract 1
- 238000007906 compression Methods 0.000 abstract 1
- 150000003839 salts Chemical class 0.000 description 11
- 238000009825 accumulation Methods 0.000 description 8
- 230000004075 alteration Effects 0.000 description 8
- 230000000694 effects Effects 0.000 description 8
- 239000002689 soil Substances 0.000 description 8
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 description 5
- 239000000920 calcium hydroxide Substances 0.000 description 5
- 229910001861 calcium hydroxide Inorganic materials 0.000 description 5
- 230000015271 coagulation Effects 0.000 description 5
- 238000005345 coagulation Methods 0.000 description 5
- 238000005034 decoration Methods 0.000 description 4
- 230000007935 neutral effect Effects 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 239000003292 glue Substances 0.000 description 3
- 230000005012 migration Effects 0.000 description 3
- 238000013508 migration Methods 0.000 description 3
- 241000370738 Chlorion Species 0.000 description 2
- 230000032683 aging Effects 0.000 description 2
- 239000003513 alkali Substances 0.000 description 2
- 150000004645 aluminates Chemical class 0.000 description 2
- 239000002585 base Substances 0.000 description 2
- 238000010410 dusting Methods 0.000 description 2
- -1 external environment Substances 0.000 description 2
- 230000007062 hydrolysis Effects 0.000 description 2
- 238000006460 hydrolysis reaction Methods 0.000 description 2
- 239000004615 ingredient Substances 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 241000276489 Merlangius merlangus Species 0.000 description 1
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 1
- 239000011398 Portland cement Substances 0.000 description 1
- 239000006004 Quartz sand Substances 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 239000005864 Sulphur Substances 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 239000012615 aggregate Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011449 brick Substances 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N ferric oxide Chemical compound O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 229960005191 ferric oxide Drugs 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000010440 gypsum Substances 0.000 description 1
- 229910052602 gypsum Inorganic materials 0.000 description 1
- 235000010979 hydroxypropyl methyl cellulose Nutrition 0.000 description 1
- 229920003088 hydroxypropyl methyl cellulose Polymers 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000004816 latex Substances 0.000 description 1
- 229920000126 latex Polymers 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 239000001062 red colorant Substances 0.000 description 1
- 239000003469 silicate cement Substances 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 235000015424 sodium Nutrition 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Landscapes
- Curing Cements, Concrete, And Artificial Stone (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
Abstract
The invention discloses a rubber powder for facing mortar. The rubber powder comprises acrylic acid emulsion and anhydrous alumina. The invention has the following advantages: a formula for the rubber powder provided by the invention does not contain cement, so the risk of saltpetering is avoided, and color difference of the facing mortar provided by the invention is smaller than that of cement-based facing mortar; anhydrous alumina added in the formula provides mechanical strength, especially anti-compression rupture strength, for the whole system; since the process of hydration of cement is not included in preparation of the rubber powder, it only takes 1 h for preparation of the facing mortar; and requirements on a construction environment and proficiency of a worker by the facing mortar provided by the invention are much lower than requirements by the cement-based facing mortar.
Description
Technical field
The invention belongs to architectural chemical material technical field, refer more particularly to a kind of rubber powder for facing mortar.
Background technology
Along with Economic development, people require more and more higher and diversified for architecture inside and outside decoration, traditional emulsion paint and ceramic tile can not meet people's demand completely, facing mortar is because its color change range is large, molding surface abundant, good weatherability more and more welcomed by the people, facing mortar is made up of inorganic coagulation material, filler, additive and aggregate, for the material of building wall material and ceiling decoration.The exterior wall of Most current building all does external thermal insulation, and compared with finish coat prepared by the organic materialss such as facing mortar and existing coating, facing mortar and outer heat preservation system have better matching and consistency.In addition, facing mortar is compared with tile decorative surface, facing mortar layer thickness is only 1 ~ 3mm, quality is light, during as Highrise buildings finish coat, can not there is falling brick phenomenon because of problems such as negative blast, avoid the potential safety hazard of tile decorative surface, and facing mortar has good effect of prestressed and waterproof effect, external wall waterproof effect can be improved.
Tradition facing mortar take cement as base facing mortar, inorganic coagulation material in facing mortar and cement are all as the glue powder material in facing mortar, China's utilize cement to do history that base facing mortar probably has 10 years, can be divided three classes substantially: based on normal silicate system, based on aluminate cement, ordinary portland cement and gypsum ternary cementitious material system, low-dosage cement system from formula system.But these three kinds of systems all can produce aberration or the accumulation of salt in the surface soil because of the difference of amount of water, external environment, glue powder material generation aberration and the accumulation of salt in the surface soil directly affect the quality of facing mortar, make facing mortar also produce the accumulation of salt in the surface soil, aberration, connect the problem such as stubble and automatically cleaning ability.The basic reason that the existing glue powder material using cement as main raw material produces the accumulation of salt in the surface soil and aberration is the result on calcium hydroxide and soluble salt migration surface.This is because cement comprises silicate cement, low alkali aluminate cement and low alkali sulphur aluminium cement, hydrated product has calcium hydroxide or soluble salt, calcium hydroxide (or soluble salt) can along with moisture be to surface transport, the speed of migration under varying environment (comprising temperature, humidity, wind speed) is different, the amount arriving the calcium hydroxide on surface is different, will cause aberration.If local migration is very large to the calcium hydroxide amount on surface, is exactly the accumulation of salt in the surface soil that we say.The existence of the accumulation of salt in the surface soil and aberration problem, hampers the all-round popularization of facing mortar system always.
Summary of the invention
For above-mentioned technical problem, the invention provides a kind of rubber powder for facing mortar, this rubber powder can make facing mortar all reach the national sector standard of " wall facing mortar " (JC/T1024-2007) in these parameters such as water-repellancy, cohesive strength and weathering resistancies, and this rubber powder can not introduce alkaline matter in system, there is not hydrated cementitious problem, therefore can ensure that decoration mortar there will not be the accumulation of salt in the surface soil and aberration phenomenon yet.
For achieving the above object, the technical solution adopted in the present invention is, a kind of rubber powder for facing mortar disclosed by the invention, this rubber powder comprises ACRYLIC EMULSION and anhydrous alumina.ACRYLIC EMULSION, the anhydrous alumina mass percent shared by rubber powder is respectively: ACRYLIC EMULSION 75 ~ 90%, anhydrous alumina 10 ~ 25%.It is ACRYLIC EMULSION that the present invention is used for main material in the rubber powder of facing mortar, it is as organic gel gel material in system, cohesive strength, force of cohesion, water-repellancy, heat-resistant aging can be provided for facing mortar by vinylformic acid after spraying dry, so organic gel gel material used in the present invention can only be vinylformic acid, other emulsions do not have substituting.
ACRYLIC EMULSION in above-mentioned rubber powder comprises methyl methacrylate, butyl acrylate, sodium lauryl sulphate, ammonium persulphate and sodium bicarbonate, each composition ACRYLIC EMULSION mass percent be: methyl methacrylate 36.68%, butyl acrylate 55.02%, sodium dialkyl sulfate 2.5%, ammonium persulphate 0.5%, sodium bicarbonate 0.3%.Above-mentioned in the rubber powder of facing mortar, the fineness of selected anhydrous alumina is more than 800 orders.
Above-mentioned in the rubber powder of facing mortar, the anhydrous alumina selected is γ type aluminum oxide.Aluminum oxide is as the neutral inorganic coagulation material of system, and its effect mainly contains following two aspects, and one is inorganic gel effect, for system provides mechanical strength, and especially pressure-proof and snap-resistent intensity; Two are aluminum oxide is neutral gum gel material, and the chlorion of its Partial hydrolysis to react with water soluble ingredient in ACRYLIC EMULSION with dusting, and avoids the redispersion after application.
The invention also discloses the method for producing for facing mortar rubber powder, this production method comprises the following steps, (1) ACRYLIC EMULSION is prepared: ACRYLIC EMULSION is mixed to form by methyl methacrylate, butyl acrylate, sodium lauryl sulphate, ammonium persulphate and sodium bicarbonate, each composition ACRYLIC EMULSION mass percent be: methyl methacrylate 36.68%, butyl acrylate 55.02%, sodium lauryl sulphate 2.5%, ammonium persulphate 0.5%, sodium bicarbonate 0.3%; (2) ACRYLIC EMULSION mixes with anhydrous alumina, and the mass percent of ACRYLIC EMULSION in rubber powder is 75 ~ 90%, and anhydrous alumina is 10 ~ 25% in the mass percent of rubber powder; (3) the mixture spray-drying tower of step (2) is formed powder, the temperature of material of spray drying tower import is 120 ~ 180 ° of C, and the temperature of outlet is 70 ~ 90 ° of C.
Above-mentioned production is used for the method for facing mortar rubber powder, and in described step (2), the fineness of anhydrous alumina is more than 800 orders.
Above-mentioned production is used for the method for facing mortar rubber powder, and in described step (2), anhydrous alumina is γ type aluminum oxide.
To sum up, beneficial effect of the present invention: the invention provides the rubber powder for facing mortar, not cement in the formula of rubber powder, doing so avoids accumulation of salt in the surface soil risk, aberration also comparatively cement-based finishing mortar be much smaller, due to non-cement hydration process, simple and convenient in production and Construction control, just can complete without the need to needing long-time stirring as cement-based finishing mortar, only need construct in 1 hour when rubber powder of the present invention prepares facing mortar just can be complete, shorten the engineering time, require also much lower compared with cement-based finishing mortar to construction environment and workman's skill level in addition.
In addition, rubber powder for facing mortar provided by the invention, this rubber powder is relative to traditional redispersable latex powder, owing to being ACRYLIC EMULSION and inorganic coagulation material compound system, vinylformic acid weathering resistance and water-repellancy are much better than common facing mortar, and the anhydrous alumina in composition can provide enough pressure-proof and snap-resistent intensity for system.
Embodiment
Summary of the invention is further illustrated below in conjunction with specific embodiment.
Embodiment one: a kind of rubber powder for facing mortar disclosed by the invention, this rubber powder comprises ACRYLIC EMULSION and anhydrous alumina.And ACRYLIC EMULSION, the anhydrous alumina mass percent shared by rubber powder is respectively: ACRYLIC EMULSION 90%, anhydrous alumina 10%.
The above-mentioned rubber powder for facing mortar, ACRYLIC EMULSION comprises methyl methacrylate, butyl acrylate, sodium lauryl sulphate, ammonium persulphate and sodium bicarbonate, each composition ACRYLIC EMULSION mass percent be: methyl methacrylate 36.68%, butyl acrylate 55.02%, sodium lauryl sulphate 2.5%, ammonium persulphate 0.5%, sodium bicarbonate 0.3%.
The rubber powder of above-mentioned facing mortar, the fineness of the anhydrous alumina of employing is more than 800 orders.
The above-mentioned rubber powder for facing mortar, the anhydrous alumina of employing is γ type aluminum oxide.
Production method for facing mortar rubber powder disclosed by the invention, this production method comprises the following steps, (1) ACRYLIC EMULSION is prepared: ACRYLIC EMULSION is mixed to form by methyl methacrylate, butyl acrylate, sodium lauryl sulphate, ammonium persulphate and sodium bicarbonate, each composition in the mass percent of ACRYLIC EMULSION is: methyl methacrylate 36.68%, butyl acrylate 55.02%, sodium lauryl sulphate 2.5%, ammonium persulphate 0.5%, sodium bicarbonate 0.3%; (2) ACRYLIC EMULSION mixes with anhydrous alumina, ACRYLIC EMULSION in rubber powder mass percent be 90%, anhydrous alumina is 10% in the mass percent of rubber powder; (3) by spray-dried for the mixture of step (2) turriform powdered, the temperature of material of spray drying tower import is 120 ~ 180 ° of C, and the temperature of outlet is 70 ~ 90 ° of C.
In aforementioned production method step (2), the fineness of anhydrous alumina is more than 800 orders.
The anhydrous alumina adopted in aforementioned production method step (2) is γ type aluminum oxide.
Embodiment two: the present invention is used for the formula of the rubber powder of facing mortar, and this rubber powder comprises ACRYLIC EMULSION and anhydrous alumina, and ACRYLIC EMULSION, the anhydrous alumina mass percent shared by rubber powder is respectively: ACRYLIC EMULSION 85%, anhydrous alumina 15%.
The above-mentioned rubber powder for facing mortar, ACRYLIC EMULSION mixes acquisition by methyl methacrylate, butyl acrylate, sodium lauryl sulphate, ammonium persulphate and sodium bicarbonate, each composition in the mass percent of ACRYLIC EMULSION is: methyl methacrylate 36.68%, butyl acrylate 55.02%, sodium lauryl sulphate 2.5%, ammonium persulphate 0.5%, sodium bicarbonate 0.3%
The rubber powder of above-mentioned facing mortar, the fineness of the anhydrous alumina of employing is more than 800 orders.
The above-mentioned rubber powder for facing mortar, the anhydrous alumina of employing is γ type aluminum oxide.
The production method of embodiment two facing mortar rubber powder is with embodiment one.
The invention described above rubber powder is used in facing mortar and carries out each parameter test: rubber powder 10% of the present invention, coarse whiting 10%, ferric oxide red colorant 1%, HPMC volume 0.1%, 70-140 order quartz sand 78.9%.The water accounting for powder total amount 16% is added, according to " wall facing mortar " (JC/T1024-2007) standard detection performance after being mixed by above-mentioned each material.
Experiment effect of the present invention is as following table:
As can be seen from above-mentioned test, the facing mortar utilizing rubber powder of the present invention to be formed can meet " wall facing mortar " (JC/T 1024-2007) standard-required completely.
The main material that the present invention is used for the rubber powder of facing mortar is ACRYLIC EMULSION, it is as organic gel gel material in system, cohesive strength, force of cohesion, water-repellancy, heat-resistant aging can be provided for facing mortar by vinylformic acid after spraying dry, so organic gel gel material used in the present invention can only be vinylformic acid, other emulsions do not have substituting.
Aluminum oxide is as the neutral inorganic coagulation material of system, its effect mainly contains following two aspects, one is inorganic gel effect, for system provides mechanical strength, especially pressure-proof and snap-resistent intensity, this is also that the present invention may be used for facing decoration mortar, and by the reason of pressure-proof and snap-resistent requirement of strength in " wall facing mortar " (JC/T 1024-2007) standard; Two are aluminum oxide is neutral gum gel material, and the chlorion of its Partial hydrolysis to react with water soluble ingredient in ACRYLIC EMULSION with dusting, and avoids the redispersion after application.
Embodiment three: the present invention is used for the formula of the rubber powder of facing mortar, this formula comprises ACRYLIC EMULSION and anhydrous alumina, and ACRYLIC EMULSION, the anhydrous alumina mass percent shared by rubber powder is respectively: ACRYLIC EMULSION 82.5%, anhydrous alumina 17.5%.
The above-mentioned rubber powder for facing mortar, ACRYLIC EMULSION mixes acquisition by methyl methacrylate, butyl acrylate, sodium lauryl sulphate, ammonium persulphate and sodium bicarbonate emulsion, each composition in the mass percent of ACRYLIC EMULSION is: methyl methacrylate 36.68%, butyl acrylate 55.02%, sodium lauryl sulphate 2.5%, ammonium persulphate 0.5%, sodium bicarbonate 0.3%.
The rubber powder of above-mentioned facing mortar, the fineness of the anhydrous alumina of employing is more than 800 orders.
The above-mentioned rubber powder for facing mortar, the anhydrous alumina of employing is γ type aluminum oxide.
Its production method is with embodiment one.
Embodiment four: the present invention is used for the formula of the rubber powder of facing mortar, and this rubber powder comprises ACRYLIC EMULSION and anhydrous alumina, and ACRYLIC EMULSION, the anhydrous alumina mass percent shared by rubber powder is respectively: ACRYLIC EMULSION 80%, anhydrous alumina 20%.
The above-mentioned rubber powder for facing mortar, ACRYLIC EMULSION mixes acquisition by methyl methacrylate, butyl acrylate, sodium lauryl sulphate, ammonium persulphate and sodium bicarbonate emulsion, each composition in the mass percent of ACRYLIC EMULSION is: methyl methacrylate 36.68%, butyl acrylate 55.02%, sodium lauryl sulphate 2.5%, ammonium persulphate 0.5%, sodium bicarbonate 0.3%.
The rubber powder of above-mentioned facing mortar, the fineness of the anhydrous alumina of employing is more than 800 orders.
The above-mentioned rubber powder for facing mortar, the anhydrous alumina of employing is γ type aluminum oxide.
Embodiment five: the present invention is used for the formula of the rubber powder of facing mortar, and this rubber powder comprises ACRYLIC EMULSION and anhydrous alumina, and ACRYLIC EMULSION, the anhydrous alumina mass percent shared by rubber powder is respectively: ACRYLIC EMULSION 75%, anhydrous alumina 25%.
The above-mentioned rubber powder for facing mortar, ACRYLIC EMULSION mixes acquisition by methyl methacrylate, butyl acrylate, sodium lauryl sulphate, ammonium persulphate and sodium bicarbonate emulsion, each composition ACRYLIC EMULSION mass percent be: methyl methacrylate 36.68%, butyl acrylate 55.02%, sodium lauryl sulphate 2.5%, ammonium persulphate 0.5%, sodium bicarbonate 0.3%.
The rubber powder of above-mentioned facing mortar, the fineness of the anhydrous alumina of employing is more than 800 orders.
The above-mentioned rubber powder for facing mortar, the anhydrous alumina of employing is γ type aluminum oxide.
The present embodiment is only and further illustrates the present invention, not to inventing any restriction made, all the present invention in fact the simple modification made of content and improve all still belong to technical solution of the present invention protection domain within.
Claims (6)
1. the rubber powder for facing mortar, it is characterized in that, the raw material of this rubber powder comprises ACRYLIC EMULSION and anhydrous alumina, ACRYLIC EMULSION, the mass percent of anhydrous alumina shared by rubber powder is respectively: ACRYLIC EMULSION 75 ~ 90%, anhydrous alumina 10 ~ 25%, described ACRYLIC EMULSION comprises methyl methacrylate, butyl acrylate, sodium lauryl sulphate, ammonium persulphate and sodium bicarbonate, each composition ACRYLIC EMULSION mass percent be: methyl methacrylate 36.68%, butyl acrylate 55.02%, sodium lauryl sulphate 2.5%, ammonium persulphate 0.5%, sodium bicarbonate 0.3%.
2. the rubber powder for facing mortar according to claim 1, is characterized in that, the fineness of described anhydrous alumina is more than 800 orders.
3. the rubber powder for facing mortar according to claim 1, is characterized in that, described anhydrous alumina is γ type aluminum oxide.
4. produce the method for facing mortar rubber powder described in claim 1 for one kind, it is characterized in that, this production method comprises the following steps, (1) preparation of ACRYLIC EMULSION: ACRYLIC EMULSION comprises methyl methacrylate, butyl acrylate, sodium lauryl sulphate, ammonium persulphate and sodium bicarbonate, each composition in the mass percent of ACRYLIC EMULSION is: methyl methacrylate 36.68%, butyl acrylate 55.02%, sodium lauryl sulphate 2.5%, ammonium persulphate 0.5%, sodium bicarbonate 0.3%; (2) ACRYLIC EMULSION mixes with anhydrous alumina, ACRYLIC EMULSION in rubber powder mass percent be 75 ~ 90%, anhydrous alumina is 10 ~ 25% in the mass percent of rubber powder; (3) by spray-dried for the mixture of step (2) turriform powdered, the temperature of material of spray drying tower import is 120 ~ 180 ° of C, and the temperature of outlet is 70 ~ 90 ° of C.
5. production according to claim 4 is used for the method for facing mortar rubber powder, it is characterized in that, in described step (2), the fineness of anhydrous alumina is more than 800 orders.
6. production according to claim 4 is used for the method for facing mortar rubber powder, it is characterized in that, in described step (2), anhydrous alumina is γ type aluminum oxide.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210573467.6A CN103058539B (en) | 2012-12-26 | 2012-12-26 | Rubber powder for facing mortar |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210573467.6A CN103058539B (en) | 2012-12-26 | 2012-12-26 | Rubber powder for facing mortar |
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| CN103058539B true CN103058539B (en) | 2015-01-07 |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101555114A (en) * | 2009-05-15 | 2009-10-14 | 苏州市姑苏新型建材有限公司 | Nano-material modified type I polymer cement waterproof coating and prepration method thereof |
| CN102659976A (en) * | 2012-04-16 | 2012-09-12 | 上海中新裕祥化工有限公司 | Novel aqueous light-cured alicyclic epoxy acrylic acid emulsion and preparation method thereof |
-
2012
- 2012-12-26 CN CN201210573467.6A patent/CN103058539B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101555114A (en) * | 2009-05-15 | 2009-10-14 | 苏州市姑苏新型建材有限公司 | Nano-material modified type I polymer cement waterproof coating and prepration method thereof |
| CN102659976A (en) * | 2012-04-16 | 2012-09-12 | 上海中新裕祥化工有限公司 | Novel aqueous light-cured alicyclic epoxy acrylic acid emulsion and preparation method thereof |
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| CN103058539A (en) | 2013-04-24 |
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