CN102718446A - Nano powder material modified cement-based infiltration crystalline waterproof material and preparation method thereof - Google Patents
Nano powder material modified cement-based infiltration crystalline waterproof material and preparation method thereof Download PDFInfo
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- CN102718446A CN102718446A CN201210244647XA CN201210244647A CN102718446A CN 102718446 A CN102718446 A CN 102718446A CN 201210244647X A CN201210244647X A CN 201210244647XA CN 201210244647 A CN201210244647 A CN 201210244647A CN 102718446 A CN102718446 A CN 102718446A
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Abstract
The invention provides a nano powder material modified cement-based infiltration crystalline waterproof material which is characterized by comprising following raw materials in parts by weight: 40-60 parts of cement, 1-10 parts of nano silica, 20-30 parts of quartz sand, 1-10 parts of silica flour and 5-25 parts of additives. The invention further provides a preparation method of the waterproof material. The preparation method is characterized by comprising the step of adding the raw materials into a dispersion machine to perform full mixing. The nano powder material modified cement-based infiltration crystalline waterproof material has the advantages of being good in cohesive strength with various materials, high in compressing strength, bending strength and pulling strength, good in anti-permeability performance, waterproof performance and construction performance, high in early-stage strength performance, free of toxicity, odor and combustion, strong in environment-friendly performance, easy to construct, good in durability and moderate in cost.
Description
Technical field
The present invention relates to a kind of nano-powder material modified cement base osmotic crystalline waterproof material and preparation method thereof, belong to building material technical field.
Background technology
Concrete is a kind of nonuniformity structure; In construction process, often increase wc and satisfy good construction performance, and the required water of hydrated cementitious is far smaller than this water yield, therefore a large amount of redundant moisture are evaporated in the concrete process; In concrete, form countless kapillary pipelines and trickle crackle; In use concrete also can produce new crackle simultaneously, and extraneous moisture infiltrates from these crackles and hole, thereby concrete waterproof action was lost efficacy.Adopt the rigidity water-proofing material cementitious capillary waterproofing material to solve this problem at present; Obtained the excellent waterproof effect; But produce this water-proof material and need use the crystallization masterbatch, and the main dependence on import of the domestic masterbatch of crystallization preferably, its price is higher relatively.
Summary of the invention
The purpose of this invention is to provide a kind of product performance and lower-cost cementitious capillary waterproofing material of not influencing.Another object of the present invention provides a kind of above-mentioned preparation method of water proof material.
In order to achieve the above object, a technical scheme of the present invention has provided a kind of nano-powder material modified cement based penetrant crystalline water-proof material, it is characterized in that: be made up of following raw material in weight part:
Cement 40～60;
Nano silicon 1～10;
Silica sand 20～30;
Silica powder 1～10;
Additive 5～25.
Preferably, the particle diameter of said nano silicon is 20～30nm.
Preferably, the granularity of said silica sand is the 50-100 order.
Preferably, the granularity of said silica powder is the 100-200 order.
Another technical scheme of the present invention has provided a kind of above-mentioned nano-powder material modified cement based penetrant crystalline preparation method of water proof material; It is characterized in that; Step is: cement, nano silicon, silica sand, silica powder and additive are added in the dispersion machine according to weight part as claimed in claim 1, fully stir and obtain nano-powder material modified cement based penetrant crystalline water-proof material.
Preferably, said abundant stirring is meant that the rotating speed with 1440rpm stirred 45 minutes in dispersion machine.
The present invention has added nano silicon; The high reactivity of nano silicon and surface effects not only promote hydrated cementitious, and participate in hydrated cementitious, and hydrated cementitious product C-S-H gel is increased; Thereby inner capillary-size pore of filling concrete stone and defective; Form the fine and close cement stone of internal structure, nano silicon does not cause detrimentally affect to the overall performance of product, has improved the anti-permeability performance of product on the contrary.
Compared with prior art, the present invention has the following advantages:
1, the present invention and multiple material have good cohesive strength, and higher compression, bending resistance and pull strength and impermeability and water resistance are arranged;
2, material has good workability, and the early strength performance is high;
3, nontoxic, tasteless, do not fire, the feature of environmental protection is strong;
4, be easy to construction, good endurance, moderate cost.
Embodiment
For making the present invention more obviously understandable, elaborate as follows with preferred embodiment now.Used cement mark is P.C52.5 (ash) in following examples, and buying is the little wild water in field mud in three Hangzhoupro ltd from Shanghai; The particle diameter of nano silicon is 20～30nm, and buying is ease scientific & trading Co., Ltd. from the sea, Shanghai; Additive is the crystallization masterbatch, and buying becomes group from Singapore's base.
Embodiment 1
250 kilograms of cement, 10 kilograms of nano silicons, 150 kilograms silica sand (50-100 order), 40 kilograms silica powder (100-200 order) and 50 kilograms additive are added in the dispersion machine; Rotating speed with 1440rpm stirred 45 minutes, made nano powder modified cementitious capillary waterproofing material.
Embodiment 2
250 kilograms of cement, 10 kilograms of nano silicons, 125 kilograms of silica sands (50-100 order), 40 kilograms of silica powders (100-200 order) and 75 kilograms of additives are added in the dispersion machine; Rotating speed with 1440rpm stirred 45 minutes, made nano powder modified cementitious capillary waterproofing material.
Embodiment 3
250 kilograms of cement, 5 kilograms of nano silicons, 155 kilograms of silica sands (50100 order), 40 kilograms of silica powders (100-200 order) and 50 kilograms of additives are added in the dispersion machine; Rotating speed with 1440rpm stirred 45 minutes, made nano powder modified cementitious capillary waterproofing material.
Embodiment 4
250 kilograms of cement, 2.5 kilograms of nano silicons, 157.5 kilograms of silica sands (50-100 order), 40 kilograms of silica powders (1O0-200 order) and 50 kilograms of additives are added in the dispersion machine; Rotating speed with 1440rpm stirred 45 minutes, made nano powder modified cementitious capillary waterproofing material.
Nano powder modified cement-base infiltration crystallization water-proof material has made full use of the characteristic of nano-powder material, plays the effect that promotes hydrated cementitious; Nano silicon is participated in hydrated cementitious in cement hydration process simultaneously, though substituted portions additive with nano silicon, the anti-permeability performance of material does not reduce; Even the early strength performance is higher; Coating compactness improves, and with the adhesive property enhancing of base material, and the material workability is better.
Experimental test is table as a result
Claims (6)
1. nano-powder material modified cement based penetrant crystalline water-proof material is characterized in that: be made up of following raw material in weight part:
Cement 40～60;
Nano silicon 1～10;
Silica sand 20～30;
Silica powder 1～10;
Additive 5～25.
2. a kind of nano-powder material modified cement based penetrant crystalline water-proof material as claimed in claim 1, it is characterized in that: the particle diameter of said nano silicon is 20～30nm.
3. a kind of nano-powder material modified cement based penetrant crystalline water-proof material as claimed in claim 1, it is characterized in that: the granularity of said silica sand is the 50-100 order.
4. a kind of nano-powder material modified cement based penetrant crystalline water-proof material as claimed in claim 1, it is characterized in that: the granularity of said silica powder is the 100-200 order.
5. nano-powder material modified cement based penetrant crystalline preparation method of water proof material as claimed in claim 1; It is characterized in that; Step is: cement, nano silicon, silica sand, silica powder and additive are added in the dispersion machine according to weight part as claimed in claim 1, fully stir and obtain nano-powder material modified cement based penetrant crystalline water-proof material.
6. a kind of nano-powder material modified cement based penetrant crystalline preparation method of water proof material as claimed in claim 5 is characterized in that, said abundant stirring is meant that the rotating speed with 1440rpm stirred 45 minutes in dispersion machine.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210244647XA CN102718446A (en) | 2012-07-13 | 2012-07-13 | Nano powder material modified cement-based infiltration crystalline waterproof material and preparation method thereof |
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| CN201210244647XA CN102718446A (en) | 2012-07-13 | 2012-07-13 | Nano powder material modified cement-based infiltration crystalline waterproof material and preparation method thereof |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103466988A (en) * | 2013-08-29 | 2013-12-25 | 句容联众科技开发有限公司 | Nano modified cement and preparation method thereof |
| CN105503096A (en) * | 2016-01-27 | 2016-04-20 | 邢东海 | Preparation method for durable cement anti-permeability powder and production system for durable cement anti-permeability powder |
| CN107200527A (en) * | 2017-05-18 | 2017-09-26 | 河南科丽奥高新材料有限公司 | A kind of freeze proof waterproof alloy powder coating of cement base and its preparation technology |
| US9802865B1 (en) | 2016-09-13 | 2017-10-31 | Nano And Advanced Materials Institute Limited | Nano-modified alkali-activated cementitious materials for rapid repair |
| CN110105025A (en) * | 2019-06-19 | 2019-08-09 | 上海凯顿百森建筑工程有限公司 | Based on the modified cementitious capillary waterproofing material of nano silica-base material and its preparation and application |
| CN112851260A (en) * | 2021-02-11 | 2021-05-28 | 国控基业(北京)科技有限公司 | Capillary crystalline waterproofing agent and preparation method thereof |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101550309A (en) * | 2009-05-15 | 2009-10-07 | 苏州市姑苏新型建材有限公司 | II-type polymer cement waterproofing coating modified by nano materials and preparation method thereof |
-
2012
- 2012-07-13 CN CN201210244647XA patent/CN102718446A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101550309A (en) * | 2009-05-15 | 2009-10-07 | 苏州市姑苏新型建材有限公司 | II-type polymer cement waterproofing coating modified by nano materials and preparation method thereof |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103466988A (en) * | 2013-08-29 | 2013-12-25 | 句容联众科技开发有限公司 | Nano modified cement and preparation method thereof |
| CN105503096A (en) * | 2016-01-27 | 2016-04-20 | 邢东海 | Preparation method for durable cement anti-permeability powder and production system for durable cement anti-permeability powder |
| US9802865B1 (en) | 2016-09-13 | 2017-10-31 | Nano And Advanced Materials Institute Limited | Nano-modified alkali-activated cementitious materials for rapid repair |
| CN107200527A (en) * | 2017-05-18 | 2017-09-26 | 河南科丽奥高新材料有限公司 | A kind of freeze proof waterproof alloy powder coating of cement base and its preparation technology |
| CN110105025A (en) * | 2019-06-19 | 2019-08-09 | 上海凯顿百森建筑工程有限公司 | Based on the modified cementitious capillary waterproofing material of nano silica-base material and its preparation and application |
| CN110105025B (en) * | 2019-06-19 | 2021-08-03 | 上海凯顿百森建筑工程有限公司 | Cement-based capillary crystalline waterproof material modified based on nano silicon-based material and preparation and application thereof |
| CN112851260A (en) * | 2021-02-11 | 2021-05-28 | 国控基业(北京)科技有限公司 | Capillary crystalline waterproofing agent and preparation method thereof |
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Application publication date: 20121010 |