CN104860606A - Ultra-high molecular capillary crystalline waterproof coating - Google Patents
Ultra-high molecular capillary crystalline waterproof coating Download PDFInfo
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- CN104860606A CN104860606A CN201510229509.8A CN201510229509A CN104860606A CN 104860606 A CN104860606 A CN 104860606A CN 201510229509 A CN201510229509 A CN 201510229509A CN 104860606 A CN104860606 A CN 104860606A
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Abstract
The invention provides an ultra-high molecular capillary crystalline waterproof coating. The ultra-high molecular capillary crystalline waterproof coating is composed of gray cement, quartz sand, filling powder, talcum powder, calcite powder and master batch. The filling powder is composed of special cement, quick lime, aluminum carbonate, quartz sand and cellulose. The calcite powder is calcite calcium carbonate of the fineness of 800 meshes. The master batch is inorganic powder type high molecular capillary crystalline active master batch. The special cement is sulphoaluminate cement of the strength class of 42.5. The coating can be obtained by fully stirring all components in a powder mixer, thereby being very convenient and environmentally friendly. According to the ultra-high molecular capillary crystalline waterproof coating, the porosity of a concrete structure is utilized, water is used as a carrier, active chemical substances in the product are brought into internal pores of the concrete structure to react with cement hydration products to further produce water-insoluble dendritic crystals and to be combined with the concrete as a whole to further block water from any direction. The ultra-high molecular capillary crystalline waterproof coating has repeated self-repair ability and superior performance.
Description
Technical field:
The present invention relates to building coating technical field, relate to a kind of waterproof paint, specifically refer to a kind of supra polymer penetration crystallization type water proofing paint.
Background technology:
Waterproof is all very important for any construction work, because if there is no waterproof measure, or only waterproof measure effect is bad, moisture in construction process can infiltrate inside configuration, not only affect the actual use of engineering, and can make concrete erosion, reinforcing bar gets rusty, setting of ground, directly jeopardizes the safety of engineering.
Therefore when building engineering, must think better of and carry out WATER REPELLENT, otherwise cannot use.Traditional way is the powder coating being coated with last layer filming type on the surface of construction work, but because normal concrete exists the deadly defect of shrinkage cracking, often do not reach the effect of integral waterproofing, its impervious index is not high, be mainly manifested in all non-constants in aspect such as high thermal resistance, chemical resistance, contamination resistance, ageing resistance, water resistance, and the mode of conjunctiva does not possess the ability of self-regeneration, still there is very large deficiency in waterproof endurance issues, be difficult to reach desirable mass effect.
Summary of the invention:
The object of the invention is to overcome the weak point existing for above-mentioned background technology, a kind of waterproof paint of supra polymer permeable crystallization type is provided; It possesses the ability of self-regeneration, thus reaches the effect of permanent waterproof, protection against the tide and antidetonation.
For realizing its object, the technical solution adopted in the present invention is: a kind of waterproof paint of supra polymer permeable crystallization type, is made up of following component by mass percentage:
Ash concrete: 450%
Quartz sand: 300%
Dose powder: 115%
Talcum powder: 25%
Calcite powder: 50%
Masterbatch: 60%
Preferably, described ash concrete to be strength grade be 42.5 silicate cement.
Preferably, described quartz sand fineness is 80 orders---100 orders.
Preferably, described talcum powder fineness is 800 orders.
Talcum powder plays skeleton function as filler, improves the hardness of paint film of waterproof paint while reducing manufacturing cost.The stability of shape of product can be increased, increase its tensile strength, shearing resistance, flexing intensity, pressure intensity, reduce distortion, extension rate, thermal expansivity, there is the features such as whiteness is high, epigranular, dispersiveness are strong.
Preferably, described calcite powder is fineness is 800 object calcite calcium carbonate.
Calcite powder is a kind of calcium carbonate mineral, has that form and aspect are soft, the feature of chemical composition stability.Be typically used as filler, play half reinforcement or reinforcement, coating not sedimentation can be made, easily disperse, good luster, not only can reduce production cost, toughness and the intensity of product can also be increased.
Preferably, described masterbatch is the active masterbatch of inorganic powder type polymer penetrant crystalline.This masterbatch can infiltrate basic unit inside with water and form acicular crystals, the defects such as the pore of plugging cement basic unit and crackle, thus make the impermeability pressure of the basic units such as lean concrete grout, sand-cement slurry and concrete strengthen 200 ~ 500 times, to reach lasting waterproof effect, and extend its work-ing life, can not intensity be reduced again simultaneously.
This masterbatch is a kind of molecular structure is (Ca (O-R-OH)
2) active substance, molecular weight is little, simultaneously containing hydrophobic grouping (-R-) and hydrophilic radical (-OH), its wetting ability is greater than hydrophobicity, water soluble, in dry environment, there is not polycondensation crystalline polamer, and polycondensation crystalline polamer occurs in wet environment, form water-fast xln
reaction formula is as follows:
As can be seen here, along with the increase of n, xln
molecular weight increases, and hydrophilic radical reduces, and hydrophobicity is greater than wetting ability, water insoluble, is preferentially formed in Defect Base place (crackle or space).Its pH value >=12, active matter powder is in alkalescence (the pH value > 7) environment of drying, and good stability, polycondensation can not occur.
The measure taked further is: described powder of dosing is made up of the component of following mass percent:
Special cement: 850%
Unslaked lime: 30%---45%
Aluminium carbonate: 1.5%---3%
Quartz sand: 100%
Mierocrystalline cellulose: 2%
Particularly, described special cement to be strength grade be 42.5 sulphur aluminic acid cement.
Waterproof paint of the present invention is also very simple and easy in the preparation, each component except quartz sand is poured in the middle of powder stirrer successively, finally again quartz sand is poured into wherein, then powder stirrer fully stirs 15 under the rotating speed of 300 revs/min---and 30 minutes, then packing of carrying out weighing gets final product finished product, very convenient and environmental protection.
Water-proof mechanism of the present invention mainly utilizes the porousness of concrete structure, take water as carrier, active chemistry in product is brought in the internal holes seam of concrete structure, with hydrolysis product of cement cross reaction, form water-fast complicated and confused shape crystallization, and be combined into one with concrete, thus block the water in any direction.Even if buildings produces new crack for many years, new crystallization closed fracture can be formed at crack place again after meeting water, there is the ability of repeatedly self-regeneration, thus reach permanent waterproof, protection against the tide, impervious object.Relative to traditional JS waterproof paint, there is many advantages.By material combination and the processing parameter of uniqueness, realize the effect that performance is better than other like products.
Through surveying, the xln that waterproof paint of the present invention produces can repair the crack of 0.4mm, namely the crack of 0.4mm is had to the effect of self-regeneration healing, the waterproof layer doing other is not needed to repair, there is repeatedly impervious and characteristic and performance that is self-regeneration, and there is extremely strong anti-pressure ability, reach as high as 3.0MPa, waterproof layer and concrete surface form rounded system, can not be separated, and material fully can absorb the moisture of concrete surface to participate in its crystallization reaction, and hollowing phenomenon can not occur.Owing to having permeable watertight, therefore synchronously maintenance can be carried out with concrete structure.
The present invention, based on inorganic materials, forms the waterproof system never lost efficacy; Can the impact of withstand long term exposure height hydraulic pressure; Oneself's healing properties and back side workability brilliance, solve a large amount of vault leakage problems; Asepsis environment-protecting, anticorrosion acid and alkali-resistance, can improve concrete strength; Without the need to screed-coat and protective layer, save the duration, speed up the work, construction comprehensive cost reduces greatly; The waterproof system never lost efficacy, can work on after other waterproof systems lose efficacy; There is infiltration function, penetrate into the raw xln of inside concrete ginseng by chemical reaction and gamble concrete pore.The performance of product meets the index of national GB18445-2001, has good economic benefit and using value.
Embodiment:
Below in conjunction with embodiment, the invention will be further described.
One, the present invention chooses following component by mass percentage:
Ash concrete: 450%
Quartz sand: 300%
Dose powder: 115%
Talcum powder: 25%
Calcite powder: 50%
Masterbatch: 60%
Wherein, described ash concrete to be strength grade be 42.5 silicate cement.
Preferably, described quartz sand fineness is 80 orders---100 orders.
Preferably, described talcum powder fineness is 800 orders.
Preferably, described calcite powder is fineness is 800 object calcite calcium carbonate.
Preferably, described masterbatch is the active masterbatch of inorganic powder type polymer penetrant crystalline.
Preferably, described powder of dosing is made up of the component of following mass percent:
Special cement: 850%
Unslaked lime: 30%---45%
Aluminium carbonate: 1.5%---3%
Quartz sand: 100%
Mierocrystalline cellulose: 2%
Particularly, described special cement to be strength grade be 42.5 sulphur aluminic acid cement.
Two, preparation method of the present invention is as follows:
Each component except quartz sand poured into successively in the middle of powder stirrer, finally pour into wherein by quartz sand again, then powder stirrer fully stirs 15 under the rotating speed of 300 revs/min---and 30 minutes, packing of then carrying out weighing got final product finished product.
Through survey, waterproof paint of the present invention and traditional JS waterproof paint performance comparison as shown in the table:
In actually operating, by water: the mass ratio of waterproof paint=0.3:1 is used in combination, with national inspecting standard GB18445-2012 for foundation, through surveying, waterproof paint technical indicator of the present invention is as shown in the table:
The present invention is a kind of building water-proof paint with very high combination property.Specific embodiment described herein is only to the present invention's explanation for example.Those skilled in the art can make various amendment or supplement or adopt similar mode to substitute to described specific embodiment, but can't depart from spirit of the present invention or surmount the scope that appended claims defines.
Claims (8)
1. a supra polymer penetration crystallization type water proofing paint, is characterized in that: this waterproof paint is made up of following component by mass percentage:
Ash concrete: 450%
Quartz sand: 300%
Dose powder: 115%
Talcum powder: 25%
Calcite powder: 50%
Masterbatch: 60%.
2. supra polymer penetration crystallization type water proofing paint according to claim 1, is characterized in that: described ash concrete to be strength grade be 42.5 silicate cement.
3. supra polymer penetration crystallization type water proofing paint according to claim 1, is characterized in that: described quartz sand fineness is 80 orders---100 orders.
4. supra polymer penetration crystallization type water proofing paint according to claim 1, is characterized in that: described powder of dosing is made up of the component of following mass percent:
Special cement: 850%
Unslaked lime: 30%---45%
Aluminium carbonate: 1.5%---3%
Quartz sand: 100%
Mierocrystalline cellulose: 2%.
5. supra polymer penetration crystallization type water proofing paint according to claim 1, is characterized in that: described talcum powder fineness is 800 orders.
6. supra polymer penetration crystallization type water proofing paint according to claim 1, is characterized in that: described calcite powder is fineness is 800 object calcite calcium carbonate.
7. supra polymer penetration crystallization type water proofing paint according to claim 1, is characterized in that: described masterbatch is the active masterbatch of inorganic powder type polymer penetrant crystalline.
8. supra polymer penetration crystallization type water proofing paint according to claim 4, is characterized in that: described special cement to be strength grade be 42.5 sulphur aluminic acid cement.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510229509.8A CN104860606A (en) | 2015-05-07 | 2015-05-07 | Ultra-high molecular capillary crystalline waterproof coating |
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| CN201510229509.8A CN104860606A (en) | 2015-05-07 | 2015-05-07 | Ultra-high molecular capillary crystalline waterproof coating |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105347760A (en) * | 2015-10-26 | 2016-02-24 | 中国建筑股份有限公司 | Slow-setting type waterproof mortar having self-repairing function and secondary permeability resistance as well as preparation method thereof |
| CN109486246A (en) * | 2018-11-20 | 2019-03-19 | 陇川聚诚建筑装饰有限公司 | A kind of novel wall surface coating |
| CN109721314A (en) * | 2019-02-14 | 2019-05-07 | 吉林省翔河建筑材料有限公司 | Adhesive polymer penetrant crystalline waterproof adhesive powder and preparation method thereof |
| CN116553896A (en) * | 2023-05-15 | 2023-08-08 | 佛山市卓仕高新型材料有限公司 | Grass fiber toughening mortar and preparation method and application thereof |
-
2015
- 2015-05-07 CN CN201510229509.8A patent/CN104860606A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105347760A (en) * | 2015-10-26 | 2016-02-24 | 中国建筑股份有限公司 | Slow-setting type waterproof mortar having self-repairing function and secondary permeability resistance as well as preparation method thereof |
| CN109486246A (en) * | 2018-11-20 | 2019-03-19 | 陇川聚诚建筑装饰有限公司 | A kind of novel wall surface coating |
| CN109721314A (en) * | 2019-02-14 | 2019-05-07 | 吉林省翔河建筑材料有限公司 | Adhesive polymer penetrant crystalline waterproof adhesive powder and preparation method thereof |
| CN116553896A (en) * | 2023-05-15 | 2023-08-08 | 佛山市卓仕高新型材料有限公司 | Grass fiber toughening mortar and preparation method and application thereof |
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Application publication date: 20150826 |