CN1068354A - Composite waterproof powder and compound method thereof - Google Patents
Composite waterproof powder and compound method thereof Download PDFInfo
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- CN1068354A CN1068354A CN 92108212 CN92108212A CN1068354A CN 1068354 A CN1068354 A CN 1068354A CN 92108212 CN92108212 CN 92108212 CN 92108212 A CN92108212 A CN 92108212A CN 1068354 A CN1068354 A CN 1068354A
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Abstract
Composite waterproof powder and compound method thereof add aggregate and water-absorbent powder in hydrophobic nature powdery waterproof material (hydrophobic powder), mix, and are mixed with composite waterproof powder.This product has kept whole advantages of hydrophobic powder, it is poor to have overcome simple hydrophobic powder workability, bisque is difficult for laying evenly, meet easily shortcoming such as come-up and loose damage of the water capacity, the waterproof reliability increases substantially, cost reduces significantly, can replace that waterproof roll, waterproof paint and hydrophobic powder are widely used in that roof waterproof is heat insulation, purposes such as the leakproof mending-leakage of toilet, lavatory, warehouse and vault antiseepage protection against the tide.
Description
The present invention relates to a kind of novel architectural waterproof material-composite waterproof powder and compound method thereof.
Particularly since nineteen ninety, China developed a collection of novel hydrophobic nature powdery waterproof material (following abbreviation hydrophobic powder) from 1987.This type of hydrophobic powder is to handle inorganic powder (for example lime, light calcium carbonate, talcum powder, flyash etc.) and make with hydrophober (for example lipid acid, Wax, silicoorganic compound etc.).For example, Chinese invention patent CN87101009A adopts lipid acid to make hydrophober, with the lime white reacting by heating, clarify then, dewater, dry, pulverize, make hydrophobic powder for building.Chinese invention patent CN1044669A adopts lipid acid such as laurostearic acid, palmitic acid, stearic acid to make hydrophober and handles inorganic powders such as flyash, makes building water-proof powder.Chinese invention patent CN1056513A adopts stearic acid (stearic acid) to make hydrophober, handles light calcium carbonate, makes heat insulation town pigment.The inventor's Chinese invention patent CN1061988A then adopts Wax to be equipped with subsidiary material and makes hydrophober, handles inorganic or organic dust, makes heat-insulating hydrophobic powder.
Purposes such as this type of hydrophobic powder can be used for that roof waterproof is heat insulation, the leakproof mending-leakage of toilet, lavatory, warehouse and vault moisture-proof and seepage-proof.During construction, usually be layed in by the consumption of every square metre of 3-6Kg in the basic unit such as roofing screed-coat, isolate with paper or plastics film then, sand-cement slurry or pea gravel concreten that topped again 2-4cm is thick are made protective layer.
This type of hydrophobic powder has overcome conventional waterproof material at high temperature tricklings such as malthoid, waterproof paint, low-temperature embrittleness, not ageing-resistant, shortcoming such as anti-base course crack not, and has better thermal insulation performance, thereby is well received, and applies throughout the country rapidly.
But, use through large-area construction in a few years, find that this type of hydrophobic powder exists following weak point:
1. facts have proved that in order to obtain good and persistent waterproof and heat-insulation and heat-preservation, the thickness of waterproof bisque should reach more than the 8-10mm after the compacting.The loose volume weight of hydrophobic powder is generally 500-700Kg/m
3, the unit weight after the compacting is 1000Kg/m
3About.Therefore, every square metre hydrophobic powder consumption should reach more than the 8-10Kg, just can reach required powder layer thickness.With regard to present hydrophobic powder price, such consumption is difficult to be accepted by the user on cost.Present consumption is generally every square metre of 3-6Kg, uses 3-4Kg for many local, makes the waterproof bisque thin excessively, is difficult to guarantee good and persistent water-repellancy and heat-insulation and heat-preservation.Therefore, press for significantly and reduce cost, the thickness of waterproof bisque can be issued to more than the 8-10mm for the cost that the user accepts.
2. whether the waterproof bisque is laid to such an extent that evenly be the key factor of decision waterproof quality continuously.Because the hydrophobic opaque is gently and very easily mobile; when toppling over mortar or pea gravel concreten on interleaving paper making protective layer above bisque or the isolated film; no matter how careful, the powder of pressurized all can cause the bisque at pressurized place to cross thin even scarce powder to moving all around.
3. the hydrophobic opaque is light and fine, and bisque is difficult to even compacting, after solidifying as the sand-cement slurry of protective layer or pea gravel concreten, forms many big and small cavitys between protective layer and sealing coat and the bisque easily.These cavitys not only make the local hollowing of protective layer and are easy to destroy, and the infiltration water through protective layer is accumulated in these cavitys, compile gradually, form partial small current.The hydrophobic powder is light and hydrophobic under the effect of small current, is easy to float gradually, causes the local loose damage of bisque at last, makes infiltration water flow in the basic unit below the bisque, forms seepage.
For above-mentioned reasons, adopt the waterproofing work of hydrophobic powder construction, the phenomenon that localized seepage takes place has finding repeatly, must be solved as early as possible.
The purpose first of the present invention provides a kind of can keep existing hydrophobic powder premium properties, composite waterproof powder that can reduce cost significantly and compound method thereof again.
Two to provide a kind of workability good for it, the waterproof bisque lay easily composite waterproof powder and compound method thereof uniformly continuously.
It three provides a kind of waterproof bisque and is easy to even compacting, is difficult for the composite waterproof powder and the compound method thereof of come-up and loose damage under flow action.
The inventor is through concentrating on studies, discovery adds the aggregate and the water-absorbent powder of larger amt in the hydrophobic powder, can be mixed with that price is very cheap, workability and the very good composite waterproof powder of water resistance, through repetition test, successfully finished the present invention finally.
Principle of the present invention is with the hydrophobic powder of the lesser amt functional materials as the performance waterproof action, as extender material and framework material, by mixing, is mixed with composite waterproof powder of high quality and at a reasonable price with the aggregate of larger amt.
Further add the water-absorbent powder in composite waterproof powder, because hydrophobic powder particulate and water-absorbent powder particle are alternately, the performance effect of opposing each other and yet also complement each other makes the water resistance of composite waterproof powder be further enhanced, and cost further reduces.
The proportioning raw materials of composite waterproof powder of the present invention is:
Hydrophobic powder 100Kg
Aggregate (the 0.05-2m of particle diameter≤10mm)
3
Water-absorbent powder (fineness 〉=60 orders) 0-200Kg
Best ratio range is:
Hydrophobic powder 100Kg
Aggregate 0.1-1m
3
Water-absorbent powder 10-100Kg
Be used for the aggregate that the present invention prepares composite waterproof powder and comprise various inorganic particles, for example natural sands such as river sand, mountain sand, extra large sand, quartz sand; Rock particless such as calcite, rhombspar, Wingdale; Waste residues such as volcanic cinder and cinder, slag, slag; Light aggregate such as perlite, vermiculite; The pig iron and iron ore particle and powder; Manufactured aggregates such as haydite; Thin cobble such as the peastone of using always in the building industry, Mi Shi and fine stone.Preparation is during composite waterproof powder, selects for use wherein a kind of or several make raw material.
The particle diameter of aggregate is suitable≤10mm, and best≤5mm.Aggregate can be handled without hydrophobic, is directly used in preparation composite waterproof powder of the present invention with its air dried condition, but handles aggregate with hydrophober in advance, makes it to become the hydrophobic nature aggregate, then better effects if.Be used for hydrophober that the present invention handles aggregate and be selected from a kind of of following material or several:
A. Wax: paraffin, ceresine, montanin wax, beeswax, insect wax, carnauba wax, oxidized petroleum wax, polyethylene wax etc.;
B. lipid acid or its salt: stearic acid, calcium stearate, lauric acid, oleic acid, synthetic fatty acid etc.;
C. resinous acid and salt thereof: rosin, staybelite, polymerized rosin etc.;
D. silicoorganic compound: silicone oil, methyl silicon sodium alcoholate etc.
The hydrophober consumption is the 0.2-5% of aggregate weight, and concrete consumption is decided on aggregate kind and particle diameter, is enough to complete package aggregate particle with hydrophober, and forming the layer of even hydrophobic membrane is principle.
The method that the present invention handles aggregate with hydrophober is very simple, can select any among following two kinds of methods:
A. aggregate and hydrophober are directly dropped into frying pan or whizzer in proportion, be heated to 80-180 ℃, thermal treatment 3-20 minute, make hydrophober be uniformly distributed in aggregate surface, discharging then, cooling;
B. earlier aggregate is dropped into frying pan or drying machine, is heated to 80-180 ℃, add Powdered, particle shape then or be molten into liquid state or be prepared into emulsion or the hydrophober of solution, thermal treatment 3-20 minute, treat that hydrophober is uniformly distributed in aggregate surface after, discharging, cooling.
The water-absorbent powder that is used to prepare composite waterproof powder of the present invention comprises water-absorbent resin powders such as levigated silica-gel powder, wilkinite, modified alta-mud, polyacrylamide.Preparation is during composite waterproof powder, selects for use wherein a kind of or several make raw material.
The method of preparation composite waterproof powder of the present invention is very simple, only needs aggregate and water-absorbent powder whenever mixing in proportion before construction that hydrophobic powder, process hydrophobic are handled or handled without hydrophobic are got final product.For the ease of packing and transportation, the compound method of composite waterproof powder has following three kinds, can choose any one kind of them according to the production and the geographic particular case of constructing:
A. hydrophobic powder and aggregate and water-absorbent powder mixes is even, dispatch from the factory as the composite waterproof powder of unitary package;
B. hydrophobic powder and water-absorbent powder mixes is even, packing, aggregate is then packed separately or is gathered materials on the spot in the construction area, faces with before mixing, and is mixed with composite waterproof powder;
C. hydrophobic powder, aggregate and water-absorbent powder are packed respectively separately, faced, be mixed with composite waterproof powder with before mixing.
Composite waterproof powder of the present invention kept nontoxic, heat-resisting cold-resistant ageing-resistant, the anti-base course crack of hydrophobic powder odorless, have all advantages such as good heat preservation and insulation, overcome that hydrophobic powder workability is poor, bisque is difficult for the shop and spares, is difficult for even compacting, is easy to come-up and causes shortcomings such as bisque loose damage, and it is cheap, water resistance is more reliable, can replace conventional waterproof material and hydrophobic powder such as malthoid, waterproof paint, waterproofing unction, be used for purposes such as roof waterproof is heat insulation, the leakproof mending-leakage of toilet, lavatory, warehouse, vault moisture-proof and seepage-proof.
Compared with prior art, an outstanding advantage of the present invention is that cost reduces significantly.Because the aggregate price has only the 2-10% of hydrophobic powder cost, adopt the composite waterproof powder of larger amt aggregate and lesser amt hydrophobic powder preparation, in unit weight, cost has only the 10-30% of hydrophobic powder, in the unit thickness after the compacting, cost has only the 20-60% of hydrophobic powder.Therefore, can under the lower cost waterproof bisque laid to more than the compacted depth 8-10mm, have good and persistent waterproof and heat insulation and preservation effect to guarantee waterproof layer.
Another outstanding advantage of the present invention is that workability is good.When laying the waterproof bisque with composite waterproof powder, aggregate becomes the skeleton of waterproof bisque, and the hydrophobic powder is the space between the filling aggregate and surround aggregate then, constitutes the composite water-proof bisque.Construction shows that the composite water-proof bisque is laid evenly continuously easily and is easy to even compacting.In addition, owing to the shielding protection effect of aggregate to the hydrophobic powder, under small flow action, the hydrophobic powder is difficult for come-up, and bisque is difficult for loose damage, and therefore, the waterproof reliability significantly is better than simple hydrophobic powder.
Another advantage of the present invention is by selecting suitable aggregate for example pearlstone and expanded vermiculite etc. for use, can make the splendid composite waterproof powder of heat preservation and insulation, be used for purposes such as roof waterproof and heat-insulation and heat-preservation, and effect is better than using simple hydrophobic powder.
Another advantage of the present invention is to add water-absorbent powder such as wilkinite in composite waterproof powder, has not only further reduced cost, and has further improved the water resistance of composite waterproof powder.Hydrophobic powder in the composite waterproof powder has the effect of intensive hydrophobic, the water-absorbent powder then has intensive water-swelling effect, the particulate of two kinds of powder alternately, overcome simple hydrophobic powder and met the shortcoming that the water capacity is easily scattered and made a concession, the water molecules of invading the bisque top layer easily is fixed, can not forms successive water column or moisture film and permeate downwards.The inventor reaches proof by experiment, forces to admix 15% water in simple hydrophobic powder, and the hydrophobic powder promptly loses water-repellancy, and the water on bisque surface can form successive water column or moisture film in bisque, sees through the above downward seepage of bisque of thickness 10mm.On the contrary, force to admix the water of hydrophobic powder and water-absorbent powder gross weight 40-50% in composite waterproof powder, observe through one week of waterflooding, bisque is still waterproof.
With embodiment the present invention is made specific description below.
Embodiment 1
Hydrophobic powder (heat-insulating hydrophobic powder) 100Kg
River sand (medium coarse sand) 0.7m
3
Wilkinite 120Kg
Earlier hydrophobic powder and wilkinite are mixed, mix with river sand then, promptly obtain composite waterproof powder of the present invention.
Embodiment 2
Hydrophobic powder (commercially available hydrophobic powder for building) 100Kg
Quartz sand (the 0.5m of particle diameter≤5mm)
3
Both are mixed, promptly obtain composite waterproof powder of the present invention.
Embodiment 3
Hydrophobic powder (commercially available heat insulation town pigment) 100Kg
Calcite (the 0.6m of particle diameter≤5mm)
3
Wilkinite 100Kg
Earlier hydrophobic powder and wilkinite are mixed, mix with calcite then, promptly obtain composite waterproof powder of the present invention.
Embodiment 4
Hydrophobic powder (heat-insulating hydrophobic powder) 100Kg
Iron ore (by the particle and the powder of 5mm sieve aperture) 0.2m
3
Both are mixed, promptly obtain composite waterproof powder of the present invention.
Below three example explanations hydrophobic aggregate processing method of the present invention.
Embodiment 5
Rhombspar (the 100Kg of particle diameter≤5mm)
Ceresine (80 °) 0.5Kg
Rhombspar and the ceresine that is broken into fritter are dropped into frying pan, be heated to 100-130 ℃ under the stirring stirring, treat that ceresine melt also evenly to be attached to after the dolomite particles surface that discharging is cooled off, and promptly obtains hydrophobic aggregate of the present invention.
Embodiment 6
River sand (medium coarse sand) 100Kg
Paraffin (60 °) 1Kg
River sand is dropped into whizzer, be heated to 100-120 ℃, add the paraffin that is molten into liquid state in advance, continue to handle 3-5 minute, treat that mixing of materials is even, paraffin evenly is attached to after the sand particle surface of river, discharging, and cooling promptly gets hydrophobic aggregate of the present invention.
Embodiment 7
Pearlstone 8Kg(0.1m
3)
Paraffin (58 °) 0.4Kg
Pearlstone is dropped into whizzer, be heated to 80-110 ℃, spray into and be molten into liquid paraffin.After having sprayed, continue to handle 3-5 minute, treat that paraffin evenly is attached to after the expanded perlite granule surface, discharging, cooling promptly obtains hydrophobic aggregate of the present invention.
Embodiment 8
Hydrophobic powder (heat-insulating hydrophobic powder) 100Kg
Press the hydrophobic whitewash marble 0.9m that embodiment 5 makes
3
Wilkinite 100Kg
Earlier hydrophobic powder and wilkinite are mixed, mix with the hydrophobic rhombspar then, promptly obtain composite waterproof powder of the present invention.
Embodiment 9
Hydrophobic powder (heat-insulating hydrophobic powder) 100Kg
Press the hydrophobic river sand 1m that embodiment 6 makes
3
Wilkinite 150Kg
Earlier hydrophobic powder and wilkinite are mixed, mix with hydrophobic river sand then, promptly obtain composite waterproof powder of the present invention.
Embodiment 10
Hydrophobic powder (heat-insulating hydrophobic powder) 100Kg
Press the hydrophobic expansion pearlite 0.5m of embodiment 7 preparations
3
Both are mixed, promptly obtain composite waterproof powder of the present invention.This kind composite waterproof powder heat preservation and insulation is very good, is particularly suitable for purposes such as roof waterproof and heat-insulation and heat-preservation.
Embodiment 11
Hydrophobic powder (heat-insulating hydrophobic powder) 100Kg
Press the hydrophobic river sand 0.4m of embodiment 6 preparations
3
Both are mixed, promptly obtain composite waterproof powder of the present invention.
Embodiment 12
Composite waterproof powder of the present invention is layed on the roofing screed-coat, and loose thickness is 13mm, and thickness is 10mm after the compacting, isolates with kraft paper and plastics film, then with No. 100 thick protective layers of doing of the topped 3cm of pea gravel concreten.After one week of protective layer maintenance, permanent flooding observed for three weeks, did not have any seepage phenomenon.
Claims (5)
1, composite waterproof powder and compound method thereof is characterized in that adding aggregate and water-absorbent powder in hydrophobic nature powdery waterproof material (hydrophobic powder), mix, and its proportioning raw materials is:
Hydrophobic powder 100Kg
Aggregate (the 0.05-2m of particle diameter≤10mm)
3
Water-absorbent powder (fineness 〉=60 orders) 0-200Kg
2, described by claim 1, it is characterized in that used aggregate is selected from a kind of in the following material or several:
A. natural sands such as river sand, mountain sand, extra large sand, quartz sand;
B. rock particless such as calcite, rhombspar, Wingdale;
C. waste residues such as volcanic cinder and cinder, slag, slag;
D. light granular material such as perlite, vermiculite;
E. the particle of the pig iron and iron ore and powder;
F. manufactured aggregate such as haydite;
G. microliths such as rice stone, peastone.
3, described by claim 1, it is characterized in that used aggregate directly uses with its air dried condition, or carry out hydrophobic with the hydrophober of aggregate weight 0.2-5% and handle the back and use that the hydrophober of handling aggregate is selected from a kind of of following material or several:
A. Wax: paraffin, ceresine, montanin wax, beeswax, insect wax, carnauba wax, oxidized petroleum wax, polyethylene wax etc.;
B. lipid acid or its salt: stearic acid, calcium stearate, lauric acid, oleic acid, synthetic fatty acid etc.;
C. resinous acid and salt thereof: rosin, staybelite, polymerized rosin etc.;
D. silicoorganic compound: silicone oil, methyl silicon sodium alcoholate etc.
The hydrophobic processing method of aggregate is selected from a kind of of following method:
A. aggregate and hydrophober are directly dropped into frying pan or whizzer, be heated to 80-180 ℃, thermal treatment 3-20 minute, treat that hydrophober is uniformly distributed in aggregate surface, discharging then, cooling;
B. earlier aggregate is dropped into frying pan or whizzer, be heated to 80-180 ℃, add Powdered, particle shape then or be molten into liquid state or be prepared into solution or the hydrophober of emulsion, thermal treatment 3-20 minute, after treating that hydrophober is uniformly distributed in aggregate surface, discharging, cooling.
4, described by claim 1, used water-absorbent powder is selected from a kind of of following material or several:
A. wilkinite or modified alta-mud;
B. levigated silica-gel powder;
C. water-absorbent resin powder such as polyacrylamide.
5, described by claim 1, it is characterized in that the compound method of composite waterproof powder is selected from a kind of of following method:
A. hydrophobic powder and aggregate and water-absorbent powder mixes is even, dispatch from the factory as the composite waterproof powder of unitary package;
B. hydrophobic powder and water-absorbent powder mixes is even, packing, aggregate is then packed separately, faces with before mixing, and is mixed with composite waterproof powder;
C. hydrophobic powder, aggregate and water-absorbent powder are packed respectively separately, faced, be mixed with composite waterproof powder with before mixing.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 92108212 CN1068354A (en) | 1992-07-22 | 1992-07-22 | Composite waterproof powder and compound method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 92108212 CN1068354A (en) | 1992-07-22 | 1992-07-22 | Composite waterproof powder and compound method thereof |
Publications (1)
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|---|---|
| CN1068354A true CN1068354A (en) | 1993-01-27 |
Family
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| CN 92108212 Pending CN1068354A (en) | 1992-07-22 | 1992-07-22 | Composite waterproof powder and compound method thereof |
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| WO2010133174A1 (en) * | 2009-05-21 | 2010-11-25 | 北京仁创科技集团有限公司 | Hydrophobic particles and manufacturing method thereof and breathable waterproof structure |
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| CN109534727A (en) * | 2019-01-25 | 2019-03-29 | 柳州市柳晶科技股份有限公司 | A kind of waterproof microballon and preparation method thereof |
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1992
- 1992-07-22 CN CN 92108212 patent/CN1068354A/en active Pending
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| CN102452804A (en) * | 2010-11-02 | 2012-05-16 | 延安圣通聚源生态科技有限公司 | Method for producing impermeable material with coal comprising oil shale |
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| CN106336695A (en) * | 2016-03-10 | 2017-01-18 | 赵国升 | High temperature pipeline anticorrosion inorganic material coating |
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| CN106034455A (en) * | 2016-05-31 | 2016-10-26 | 山东胜伟园林科技有限公司 | Bovine bone glue powder containing impervious sand and method for planting Lombardy poplars in saline-alkaline land by using impervious sand |
| CN106116244A (en) * | 2016-06-28 | 2016-11-16 | 安徽真信涂料有限公司 | A kind of preparation method of alkoxy silane hydrophobic powder |
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| CN109057053A (en) * | 2018-09-06 | 2018-12-21 | 陈华森 | A kind of heat-insulated composite granule of sealing |
| CN109534727A (en) * | 2019-01-25 | 2019-03-29 | 柳州市柳晶科技股份有限公司 | A kind of waterproof microballon and preparation method thereof |
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| CN112048311A (en) * | 2020-09-30 | 2020-12-08 | 曾敦华 | Salt return blocking agent for desert and saline-alkali soil and preparation method and application thereof |
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