CN105330238A - Cement-based waterproof self-leveling material with manufactured sand sieve backing material being all aggregate - Google Patents
Cement-based waterproof self-leveling material with manufactured sand sieve backing material being all aggregate Download PDFInfo
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- CN105330238A CN105330238A CN201510907886.2A CN201510907886A CN105330238A CN 105330238 A CN105330238 A CN 105330238A CN 201510907886 A CN201510907886 A CN 201510907886A CN 105330238 A CN105330238 A CN 105330238A
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- leveling material
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Abstract
The invention discloses a cement-based waterproof self-leveling material with a manufactured sand sieve backing material being all aggregate. Main components of the cement-based waterproof self-leveling material comprise cement, the manufactured sand sieve backing material, melamine superplasticizer, water-retaining thickener, retarder, coagulant and antifoaming agent. The main components are evenly mixed in a mixing machine according to the mass percentage, and the waterproof self-leveling material is obtained. The cement-based waterproof self-leveling material has the advantages that 1 the sieve backing material in the manufactured sand manufacturing process is utilized as the all aggregate, and no other aggregate such as quartz sand, slag powder, ground calcium carbonate and fly ash is added; that is, the sieve backing material is utilized effectively, and the environmental pollution is reduced; 2 due to hydrophobic emulsion powder, the product has good adhesion performance and excellent water resistance, permeation of mortar hardening body surface layer moisture and migration of internal moisture along pores are avoided effectively; 3 the construction process is convenient and quick, and phenomena such as separation, bleeding and hollowing do not occur; 4 a mortar hardening body has good flexibility and volume stability, and no shrinkage or expansion cracks occur.
Description
Technical field
The present invention relates to building material technical field, particularly relating to a kind of Machine-made Sand undersize is the cement-based waterproof self-leveling material that complete or collected works expect.
Background technology
Tradition ground sand-cement slurry is due to each side such as raw material, construction technology, material properties, and its quality can not be guaranteed, and the drainage that the ground relief caused due to artificial construction and dusting, hollowing, cracking etc. cause is very general.The appearance of self-leveling material efficiently solves the problem of ground injustice, conventional cement based self-leveling material is main ingredient mainly with quartz sand and cement, be aided with multiple additives formulated, easy construction, efficiency are high, but infiltration phenomenon also can occur, and not only natural siliceous sand resource is day by day exhausted in addition, and use procedure needs to dry, energy consumption is higher, causes serious burden to environment.Thus, find one and namely do not use natural siliceous sand, the self-leveling material that can play again waterproof action has important practical significance.
The inorganic self-leveling material technology of preparing of domestic existing exploitation main as:
A kind of ordinary Portland cement disclosed in Chinese invention patent 200410053030.5 is " a kind of high performance cement base self leveling material " of base-material, its main formula is " ordinary Portland cement 25 ~ 35%; flyash: 3.2 ~ 4.5%; SILICA FUME 0 ~ 3.0%; slag 2.8 ~ 4.0%; building sand 50 ~ 63%, swelling agent 3.27 ~ 3.7%, high efficiency water reducing agent 0.23 ~ 0.40% "; Disclosed in Chinese invention patent 200510061004.1 a kind of be main ingredient with aluminate cement, ordinary Portland cement, heavy alkali " a kind of self-leveling cement and production technique thereof "; Its main formula is " aluminate cement 5-20%, ordinary Portland cement 20-26%, quartz sand 32-50%, heavy alkali 15-25%, methylcellulose gum 0.5-2%, rubber powder 2.5-5%, Citric Acid, usp, Anhydrous Powder 0.1-0.5%, slaked lime 1.6-2.5%, terra alba 0.5-1.5%, dry powder defoamer 0.5-1.5%, casein food grade 0.8-8%, Quilonum Retard 0.03-0.07% "; Chinese invention patent CN200710069007.9 discloses " a kind of desulfurated gypsum self-leveling material and preparation method thereof " that a kind of desulfurated plaster is main component, its main formula is " desulfurated plaster 30-65%; high-alumina cement 25-60%; ordinary Portland cement 0-30%; flyash 0-20%, redispersable latex powder 0-8.0% ".
But in the formula of above several patent all containing natural siliceous sand, slag powders, dicalcium powder, flyash, weight alkali one or more, unfavorable to the protection of natural resources and enviroment.
Thus, find one and namely do not use natural siliceous sand, the self-leveling material that can play again waterproof action has important practical significance.
Summary of the invention
The object of the invention is to provide a kind of Machine-made Sand undersize to be the cement-based waterproof self-leveling material that complete or collected works expect.
For achieving the above object, the present invention implements according to following technical scheme: a kind of Machine-made Sand undersize is the cement-based waterproof self-leveling material that complete or collected works expect, the massfraction of its each component is as follows:
Mixed cement 30-60 part
Machine-made Sand undersize 35-65 part
Melamine type high efficiency water reducing agent 0.05-0.25 part
Water-retaining admixture 0.01-0.1 part
Retardant 0.05-0.2 part
Setting accelerator 0.02-0.1 part
Defoamer 0.05-0.2 part
Hydrophobic latex powder 0.5-2 part
Described Machine-made Sand undersize is the undersize of roughing sand lowermost end sieve in screening process that lithotome obtains in mechanical sand making process, the square hole sieve of the sieve of described lowermost end to be the length of side be 0.6mm.
Hydrophobic latex powder is mainly used to make product have good waterproof action and stronger bonding strength.
Further, as a kind of preferred version, the ordinary Portland cement of mixed cement to be strength grade be 42.5Mpa or 52.5Mpa and strength grade are the quick hardening sulphoaluminate cement composition of 42.5Mpa or 52.5Mpa, and described normal silicate sour water mud and the ratio of quick hardening sulphoaluminate cement are 10:1-3:1.
Further, as a kind of preferred version, described water-retaining admixture is the Vltra tears of 40,000 viscosity, the water-retentivity being used for making product good and viscosity.
Further, as a kind of preferred version, described retardant is Sunmorl N 60S and the tartaric mixture of left-handed type, is mainly used to reduce costs and improve retarding effect.
Further, as a kind of preferred version, described accelerating chemicals is the mixture of any one or two kinds of Quilonum Retard, lithium chloride, is used for ensureing product 24 hours intensity.
Further, as a kind of preferred version, described defoamer is silicone antifoam agent.
Machine-made Sand undersize of the present invention is the preparation method of the cement-based waterproof self-leveling material that complete or collected works expect: each component mixed in forced action type mixing machine by massfraction, and obtaining described Machine-made Sand undersize is the cement-based waterproof self-leveling material that complete or collected works expect.
Compared with prior art, beneficial effect of the present invention is:
1, the undersize in using mechanism sand preparation process is complete or collected works' material, and any other gathers materials need not to add quartz sand, slag powders, coarse whiting, flyash etc.Namely effectively utilize undersize, additionally reduce environmental pollution.
2, the introducing of hydrophobic latex powder makes mortar of the present invention not only have good adhesiveproperties, and possesses superior water-repellancy, can effectively prevent the infiltration of mortar hardening surface layer moisture and internal moisture along the migration of pore.
3, mortar construction process is convenient and swift, can not produce the phenomenons such as segregation, bleeding, hollowing.
4, mortar hardening body has good snappiness and volume stability, can not produce contraction or expansion crack.
Embodiment
Below in conjunction with specific embodiment, the invention will be further described, is used for explaining the present invention in this illustrative examples of inventing and explanation, but not as a limitation of the invention.
Machine-made Sand undersize described in following examples is the undersize of roughing sand lowermost end sieve in screening process that lithotome obtains in mechanical sand making process, the square hole sieve of the sieve of described lowermost end to be the length of side be 0.6mm.
Embodiment 1
The massfraction of each component is as follows:
Strength grade is the ordinary Portland cement 36 parts of 42.5Mpa
Strength grade is the quick hardening sulphoaluminate cement 7 parts of 42.5Mpa
Machine-made Sand undersize 55 parts
Hydrophobic latex powder 1.5 parts
The Vltra tears of 40000 viscosity 0.03 part
Melamine type high efficiency water reducing agent 0.15 part
Sunmorl N 60S 0.02 part
0.05 part, left-handed type tartrate
Quilonum Retard 0.1 part
Silicone antifoam agent 0.15 part
Above-mentioned each component being mixed in forced action type mixing machine by massfraction and obtain a kind of Machine-made Sand undersize is the cement-based waterproof self-leveling material that complete or collected works expect.
Embodiment 2
The massfraction of each component is as follows:
Strength grade is the ordinary Portland cement 42 parts of 42.5Mpa
Strength grade is the quick hardening sulphoaluminate cement 8 parts of 42.5Mpa
Machine-made Sand undersize 47.5 parts
Hydrophobic latex powder 1.9 parts
The Vltra tears of 40000 viscosity 0.04 part
Melamine type high efficiency water reducing agent 0.2 part
Sunmorl N 60S 0.04 part
0.05 part, left-handed type tartrate
Quilonum Retard 0.12 part
Silicone antifoam agent 0.15 part
Above-mentioned each component being mixed in forced action type mixing machine by massfraction and obtain a kind of Machine-made Sand undersize is the cement-based waterproof self-leveling material that complete or collected works expect.
Embodiment 3
The massfraction of each component is as follows:
Strength grade is the ordinary Portland cement 32 parts of 52.5Mpa
Strength grade is the quick hardening sulphoaluminate cement 5.5 parts of 42.5Mpa
Machine-made Sand undersize 61 parts
Hydrophobic latex powder 1.1 parts
The Vltra tears of 40000 viscosity 0.02 part
Melamine type high efficiency water reducing agent 0.12 part
Sunmorl N 60S 0.01 part
0.05 part, left-handed type tartrate
Quilonum Retard 0.1 part
Silicone antifoam agent 0.1 part
Above-mentioned each component being mixed in forced action type mixing machine by massfraction and obtain a kind of Machine-made Sand undersize is the cement-based waterproof self-leveling material that complete or collected works expect.
A kind of Machine-made Sand of embodiment 1-3 gained undersize is that the performance index of the cement-based waterproof self-leveling material that complete or collected works expect are as described in Table 1.
Table 1: a kind of Machine-made Sand undersize of embodiment 1-3 gained is the performance index of the cement-based waterproof self-leveling material that complete or collected works expect
Technical scheme of the present invention is not limited to the restriction of above-mentioned specific embodiment, the technology distortion that every technical scheme according to the present invention is made, and all falls within protection scope of the present invention.
Claims (6)
1. Machine-made Sand undersize is the cement-based waterproof self-leveling material that complete or collected works expect, it is characterized in that: the massfraction of its each component is as follows:
Mixed cement 30-60 part
Machine-made Sand undersize 35-65 part
Melamine type high efficiency water reducing agent 0.05-0.25 part
Water-retaining admixture 0.01-0.1 part
Retardant 0.05-0.2 part
Setting accelerator 0.02-0.1 part
Defoamer 0.05-0.2 part
Hydrophobic latex powder 0.5-2 part
Described Machine-made Sand undersize is the undersize of roughing sand lowermost end sieve in screening process that lithotome obtains in mechanical sand making process, the square hole sieve of the sieve of described lowermost end to be the length of side be 0.6mm.
2. Machine-made Sand undersize according to claim 1 is the cement-based waterproof self-leveling material that complete or collected works expect, it is characterized in that: the ordinary Portland cement of described mixed cement to be strength grade be 42.5Mpa or 52.5Mpa and strength grade are the quick hardening sulphoaluminate cement composition of 42.5Mpa or 52.5Mpa, and described normal silicate sour water mud and the ratio of quick hardening sulphoaluminate cement are 10:1-3:1.
3. Machine-made Sand undersize according to claim 1 is the cement-based waterproof self-leveling material that complete or collected works expect, it is characterized in that: described water-retaining admixture is the Vltra tears of 40,000 viscosity.
4. Machine-made Sand undersize according to claim 1 is the cement-based waterproof self-leveling material that complete or collected works expect, it is characterized in that: described retardant is Sunmorl N 60S and the tartaric mixture of left-handed type.
5. Machine-made Sand undersize according to claim 1 is the cement-based waterproof self-leveling material that complete or collected works expect, it is characterized in that: described accelerating chemicals is the mixture of any one or two kinds of Quilonum Retard, lithium chloride.
6. Machine-made Sand undersize according to claim 1 is the cement-based waterproof self-leveling material that complete or collected works expect, it is characterized in that: described defoamer is silicone antifoam agent.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106009869A (en) * | 2016-08-07 | 2016-10-12 | 程叙毅 | Finishing composite material and preparation method thereof |
| CN106116325A (en) * | 2016-06-15 | 2016-11-16 | 焦作市强耐建材有限公司 | A kind of floor heating is filled with lightweight self-leveling material and preparation method thereof |
| CN110981341A (en) * | 2019-12-13 | 2020-04-10 | 阳泉市合泰通工贸有限公司 | Mining high-strength composite mortar material and preparation method thereof |
| CN111423193A (en) * | 2020-03-20 | 2020-07-17 | 浙江忠信新型建材股份有限公司 | Quick-hardening polymer cement waterproof mortar with low water absorption and preparation method thereof |
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| JP2012193086A (en) * | 2011-03-17 | 2012-10-11 | Ube Industries Ltd | Self-leveling material |
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| CN103274654A (en) * | 2013-06-09 | 2013-09-04 | 吉孟银 | Repairing mortar for concrete floor |
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| JP2012193086A (en) * | 2011-03-17 | 2012-10-11 | Ube Industries Ltd | Self-leveling material |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106116325A (en) * | 2016-06-15 | 2016-11-16 | 焦作市强耐建材有限公司 | A kind of floor heating is filled with lightweight self-leveling material and preparation method thereof |
| CN106009869A (en) * | 2016-08-07 | 2016-10-12 | 程叙毅 | Finishing composite material and preparation method thereof |
| CN110981341A (en) * | 2019-12-13 | 2020-04-10 | 阳泉市合泰通工贸有限公司 | Mining high-strength composite mortar material and preparation method thereof |
| CN111423193A (en) * | 2020-03-20 | 2020-07-17 | 浙江忠信新型建材股份有限公司 | Quick-hardening polymer cement waterproof mortar with low water absorption and preparation method thereof |
| CN111423193B (en) * | 2020-03-20 | 2023-01-31 | 临海市忠信新型建材有限公司 | Quick-hardening polymer cement waterproof mortar with low water absorption and preparation method thereof |
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Address after: 454950 Wuzhi County, Jiaozuo City, Henan Province before the township of Liu Zhuang, Jiaozuo strong building materials Co., Ltd. Applicant after: Henan strong new material Limited by Share Ltd Address before: 454950 Wuzhi County, Jiaozuo City, Henan Province before the township of Liu Zhuang, Jiaozuo strong building materials Co., Ltd. Applicant before: JIAOZUO QIANGNAI BUILDING MATERIALS CO., LTD. |
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Application publication date: 20160217 |