CN104909665A - Dry powder polymer cement waterproof mortar - Google Patents
Dry powder polymer cement waterproof mortar Download PDFInfo
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- CN104909665A CN104909665A CN201510316814.0A CN201510316814A CN104909665A CN 104909665 A CN104909665 A CN 104909665A CN 201510316814 A CN201510316814 A CN 201510316814A CN 104909665 A CN104909665 A CN 104909665A
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Abstract
The invention relates to a concrete anti-crack siliceous waterproofing agent, belonging to the technical field of concrete admixtures. The invention is characterized in that the concrete anti-crack siliceous waterproofing agent is formed by uniformly mixing the following components in parts by weight: 75-85 parts of activated modified zeolite powder, 1-3 parts of defoaming agent and 13-19 parts of high-aluminum clinker. The activated modified zeolite powder is prepared by carrying out surface modification treatment on 77-85 parts by weight of roasted composite zeolite powder by a heating process by using a composite modifier composed of 0.1-0.5 part of silane coupling agent, 2-6 parts of stearic acid, 1.5-5 parts of acetone and 2-6 parts of emulsified silicone oil. The roasted composite zeolite powder is formed by the following steps: mixing 50-70 parts of zeolite powder, 2-6 parts of Al2(SO4)3 and 6-10 parts of CaSO4, roasting and milling. By using the zeolite powder as the main raw material, the concrete anti-crack siliceous waterproofing agent can overcome the defects in the existing waterproofing agent, and is capable of reducing the concrete shrinkage and enhancing the waterproof impervious function and strength of the concrete.
Description
Technical field
The invention belongs to architectural waterproof material field, be specifically related to a kind of dry powder polymer cement waterproof mortar.
Background technology
Polymer cement materials can be divided into dry powder cement waterproofing mortar and emulsion cement waterproofing mortar two kinds, just Polymer Emulsion Modified Cement Mortar is adopted abroad as far back as early thirties, produce Polymer cement materials, it is a kind of two-pack product, powder is by cement, sand and adulterant composition, liquid material is by rubber or resin emulsion, stablizer, the auxiliary agent compositions such as defoamer, as publication number: CN 102627432A " a kind of polymer-modified cement waterproofing mortar ", this bi-component polymeric waterproof mortar is impervious, cohesive strength, the over-all propertieies such as folding strength are better, but compared with single component polymer powder waterproof mortar, its Packing Fee is high, transport and storage comparatively bother.And single-component dry powder polymer cement waterproof mortar, although Packing Fee is low, is convenient to transport and stores, construction mix is also more convenient, and its material cost is not low.Reason depends on redispersable latex powder quality, and the Polymer cement materials of general conventional latex powder preparation, general impermeability, water tolerance are generally poor, and often price is higher to adopt the good latex powder of water tolerance, selects face also narrower.In addition, water-holding agent ether of cellulose and latex powder extend the time of coagulation of mortar, make troubles to construction, also bring disadvantageous effect to the mortar waterproof layer after solidification, hinder production and the application of this type of mortar to a great extent, therefore, solve this technical barrier and namely reduce its cost, and ensure that its quality is very necessary.
Summary of the invention
In order to solve the problems of the technologies described above, the invention provides a kind of dry powder polymer cement waterproof mortar, it has the excellent impervious effect of waterproofing and leakage-stopping, and cohesive strength is high, shrinking percentage is low, and general conventional latex powder can be adopted, so this type of waterproof mortar cost can be reduced significantly.Its principal feature is that employing natural zeolite siliceous water-resisting agent raising material is impervious, adopts accelerating chemicals to adjust time of coagulation, solves the Polymer cement materials technical problem that generally impermeability, poor water resistance and time of coagulation are long.
Above-mentioned goal of the invention is achieved through the following technical solutions, a kind of dry powder polymer cement waterproof mortar, and its main points are that its feed composition is composed as follows by weight:
Ordinary portland cement 28 ~ 40 parts
Fine sand 35 ~ 55 parts
Zeolite powder 5 ~ 10 parts
3 ~ 5 parts, flyash
The siliceous water-resisting agent of natural zeolite 1.8 ~ 3 parts
Redispersable latex powder 5 ~ 8 parts
Ether of cellulose 0.5 ~ 3 part
Accelerating chemicals 3 ~ 5 parts
Defoamer 1 ~ 3 part;
All powder body material is mixed and made into by above-mentioned raw materials parts by weight are even; Dry powder polymer cement waterproof mortar raw material weight number proportioning is: powder body material: water=1:0.20 ~ 0.23, stirs.
As preferably, described water-resisting agent is the siliceous water-resisting agent of natural zeolite, and it is by the activation modification zeolite powder of 75 ~ 85 parts, the defoamer of 1 ~ 3 part and 13 ~ 19 parts of high alumina Homogeneous phase mixing form by weight; .
As preferably, zeolite powder is quality grade is I level mordenite, and fineness is 200 orders.
As preferably, described ether of cellulose is methyl cellulose ether or hydroxyethyl ether cellulose or hydroxypropylcelluloether ether, and viscosity requirement is 500 ~ 2000Pa.s.
As preferably, described redispersable latex powder is ethane-acetic acid ethyenyl copolymerization rubber powder and EVA or vinyl acetate homopolymer rubber powder and PVAC or vinylformic acid rubber powder and PAE.
As preferably, described defoamer is organosilicon pulvis.
As preferably, accelerating chemicals is aluminate clinker, fineness 300 order.
As preferably, ordinary portland cement label is No. 42.5 ordinary Portland cements.
As preferably, fine sand is through screening, washing and dry, and particle diameter is 0.1 ~ 0.6mm.
As preferably, quality of fly ash is not less than II grade.
The present invention is because have employed the siliceous water-resisting agent of natural zeolite and accelerating chemicals, make it have the excellent impervious effect of waterproofing and leakage-stopping, cohesive strength is high, shrinking percentage is low, and property indices all meets national sector standard " Polymer cement materials " JC/T 984-2011 specified requirement; And the general conventional redispersable latex powder of low price can be adopted, impervious water pressure requirement in standard can be met, so solve the general not enough problem of the impervious water pressure of this type of mortar, and waterproof mortar cost can be reduced significantly, time of coagulation is controlled, and workability is good, can blade coating or smear, easy construction, even if also very good in moisture substrate construction and bond substrates, not hollowing, do not ftracture.
Embodiment
The invention will be further described for one ~ embodiment four by the following examples
Embodiment one
A kind of dry powder polymer cement waterproof mortar, its feed composition is composed as follows by weight:
No. 42.5 ordinary Portland cements 28 parts;
Through screening, washing and oven dry, particle diameter is the fine sand 35 parts of 0.1 ~ 0.6mm;
Quality grade is I level, and fineness is 5 parts, 200 order mordenite powder;
Quality is not less than 3 parts, the flyash of II grade;
The siliceous water-resisting agent of natural zeolite 2.1 parts, it is by the activation modification zeolite powder of 78 parts, the defoamer of 1.2 parts and 15 parts of high alumina Homogeneous phase mixing form by weight;
Ethane-acetic acid ethyenyl copolymerization rubber powder and EVA5 part
Viscosity is sticky 1 part of 500Pa.s methyl cellulose ether
Fineness 300 order aluminate clinker 5 parts
1.5 parts, organosilicon pulvis;
All powder body material is mixed and made into by above-mentioned raw materials parts by weight are even; Dry powder polymer cement waterproof mortar raw material weight number proportioning is: powder body material: water=1:0.20, stirs.
Embodiment two
A kind of dry powder polymer cement waterproof mortar, its feed composition is composed as follows by weight:
No. 42.5 ordinary Portland cements 30 parts;
Through screening, washing and oven dry, particle diameter is the fine sand 40 parts of 0.1 ~ 0.6mm;
Quality grade is I level, and fineness is 7 parts, 200 order mordenite powder;
Quality is not less than 4 parts, the flyash of II grade;
The siliceous water-resisting agent of natural zeolite 2.0 parts, it is by the activation modification zeolite powder of 75 parts, the defoamer of 1 part and 13 parts of high alumina Homogeneous phase mixing form by weight;
Vinyl acetate homopolymer rubber powder and PVAC 5.5 parts
Viscosity is 1000Pa.s hydroxyethyl ether cellulose 1.2 parts
Fineness 300 order aluminate clinker 4 parts
1.75 parts, organosilicon pulvis;
All powder body material is mixed and made into by above-mentioned raw materials parts by weight are even; Dry powder polymer cement waterproof mortar raw material weight number proportioning is: powder body material: water=1:0.21, stirs.
Embodiment three
A kind of dry powder polymer cement waterproof mortar, its feed composition is composed as follows by weight:
No. 42.5 ordinary Portland cements 32 parts;
Through screening, washing and oven dry, particle diameter is the fine sand 45 parts of 0.1 ~ 0.6mm;
Quality grade is I level, and fineness is 9 parts, 200 order mordenite powder;
Quality is not less than 4.5 parts, the flyash of II grade;
The siliceous water-resisting agent of natural zeolite 1.9 parts, it is by the activation modification zeolite powder of 70 parts, the defoamer of 1.5 parts and 15 parts of high alumina Homogeneous phase mixing form by weight;
Vinylformic acid rubber powder and PAE 6 parts
Viscosity is 1500Pa.s hydroxypropylcelluloether ether 1.5 parts
Fineness 300 order aluminate clinker 3.5 parts
2 parts, organosilicon pulvis;
All powder body material is mixed and made into by above-mentioned raw materials parts by weight are even; Dry powder polymer cement waterproof mortar raw material weight number proportioning is: powder body material: water=1:0.22, stirs.
Embodiment four
A kind of dry powder polymer cement waterproof mortar, its feed composition is composed as follows by weight:
No. 42.5 ordinary Portland cements 35 parts;
Through screening, washing and oven dry, particle diameter is the fine sand 50 parts of 0.1 ~ 0.6mm;
Quality grade is I level, and fineness is 10 parts, 200 order mordenite powder;
Quality is not less than 5 parts, the flyash of II grade;
The siliceous water-resisting agent of natural zeolite 1.8 parts, it is by the activation modification zeolite powder of 80 parts, the defoamer of 3 parts and 18 parts of high alumina Homogeneous phase mixing form by weight;
Vinylformic acid rubber powder and PAE 6.5 parts;
Viscosity is 2000Pa.s hydroxypropylcelluloether ether 1.75 parts;
Fineness 300 order aluminate clinker 3 parts;
2.25 parts, organosilicon pulvis;
All powder body material is mixed and made into by above-mentioned raw materials parts by weight are even; Dry powder polymer cement waterproof mortar raw material weight number proportioning is: powder body material: water=1:0.23, stirs.
Claims (10)
1. a dry powder polymer cement waterproof mortar, is characterized in that its feed composition is composed as follows by weight:
Ordinary portland cement 28 ~ 40 parts
Fine sand 35 ~ 55 parts
Zeolite powder 5 ~ 10 parts
3 ~ 5 parts, flyash
The siliceous water-resisting agent of natural zeolite 1.8 ~ 3 parts
Redispersable latex powder 5 ~ 8 parts
Ether of cellulose 0.5 ~ 3 part
Accelerating chemicals 3 ~ 5 parts
Defoamer 1 ~ 3 part;
All powder body material is mixed and made into by above-mentioned raw materials parts by weight are even; Dry powder polymer cement waterproof mortar raw material weight number proportioning is: powder body material: water=1:0.20 ~ 0.23, stirs.
2. a kind of dry powder polymer cement waterproof mortar according to right 1, it is characterized in that, the siliceous water-resisting agent of described natural zeolite, it is by the activation modification zeolite powder of 75 ~ 85 parts, the defoamer of 1 ~ 3 part and 13 ~ 19 parts of high alumina Homogeneous phase mixing form by weight.
3. a kind of dry powder polymer cement waterproof mortar according to right 1, is characterized in that, zeolite powder is quality grade is I level mordenite, and fineness is 200 orders.
4. a kind of dry powder polymer cement waterproof mortar according to right 1, is characterized in that: described ether of cellulose is methyl cellulose ether or hydroxyethyl ether cellulose or hydroxypropylcelluloether ether, and viscosity requirement is 500 ~ 2000Pa.s.
5. a kind of dry powder polymer cement waterproof mortar according to right 1, is characterized in that: described redispersable latex powder is ethane-acetic acid ethyenyl copolymerization rubber powder and EVA or vinyl acetate homopolymer rubber powder and PVAC or vinylformic acid rubber powder and PAE.
6. a kind of dry powder polymer cement waterproof mortar according to right 1, is characterized in that: described defoamer is organosilicon pulvis.
7. a kind of dry powder polymer cement waterproof mortar according to right 1, is characterised in that: accelerating chemicals is aluminate clinker, fineness 300 order.
8. a kind of dry powder polymer cement waterproof mortar according to right 1, is characterised in that: ordinary portland cement label is No. 42.5 ordinary Portland cements.
9. a kind of dry powder polymer cement waterproof mortar according to right 1, is characterised in that: fine sand is through screening, washing and dry, and particle diameter is 0.1 ~ 0.6mm.
10. a kind of dry powder polymer cement waterproof mortar according to right 1, is characterised in that: quality of fly ash is not less than II grade.
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| CN201510316814.0A CN104909665B (en) | 2015-06-10 | 2015-06-10 | Dry powder polymer cement waterproof mortar |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105948644A (en) * | 2016-04-29 | 2016-09-21 | 广州世正环保科技发展有限公司 | Ceramic brick binder and preparation method thereof |
| CN106277961A (en) * | 2016-07-29 | 2017-01-04 | 衡山源水通科技环保有限公司 | A kind of preparation method of back side inorganic silicon waterproof material |
| CN108840616A (en) * | 2018-08-22 | 2018-11-20 | 益阳金宙建材科技有限公司 | A kind of waterproof mortar and preparation method thereof for tunnel |
| CN109133764A (en) * | 2018-08-22 | 2019-01-04 | 益阳金宙建材科技有限公司 | A kind of fast dry type tunnel mortar and preparation method thereof |
| CN110002838A (en) * | 2019-04-01 | 2019-07-12 | 傅自豪 | A kind of solid waste regeneration type waterproofing and leakage-stopping dry powder material and preparation method thereof |
| CN112049278A (en) * | 2020-09-04 | 2020-12-08 | 瑞洲建设集团有限公司 | Waterproof building external wall heat insulation structure and construction method thereof |
| CN114163200A (en) * | 2022-02-11 | 2022-03-11 | 河北壹合防水科技有限公司 | Efficient inorganic rigid waterproof coating and using method thereof |
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| CN101538136A (en) * | 2009-04-29 | 2009-09-23 | 华南理工大学 | Premixing mortar with high moisture retention and production method thereof |
| KR20100027459A (en) * | 2008-09-02 | 2010-03-11 | 임구재 | Mortar having light weight and heat insulator and waterproof, method for constructing using the same |
| CN102249641A (en) * | 2010-10-09 | 2011-11-23 | 唐山北极熊建材有限公司 | Self-leveling cement mortar dry powder for insulated composite wallboard waterproof cover, and insulated wallboard |
| CN104386984A (en) * | 2014-11-10 | 2015-03-04 | 安唛杰节能建材科技（上海）有限公司 | High-durability waterproof anti-cracking mortar |
| CN104402289A (en) * | 2014-11-26 | 2015-03-11 | 金华市欣生沸石开发有限公司 | Zeolite cement mortar waterproof agent and preparation method thereof |
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2015
- 2015-06-10 CN CN201510316814.0A patent/CN104909665B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| KR20100027459A (en) * | 2008-09-02 | 2010-03-11 | 임구재 | Mortar having light weight and heat insulator and waterproof, method for constructing using the same |
| CN101538136A (en) * | 2009-04-29 | 2009-09-23 | 华南理工大学 | Premixing mortar with high moisture retention and production method thereof |
| CN102249641A (en) * | 2010-10-09 | 2011-11-23 | 唐山北极熊建材有限公司 | Self-leveling cement mortar dry powder for insulated composite wallboard waterproof cover, and insulated wallboard |
| CN104386984A (en) * | 2014-11-10 | 2015-03-04 | 安唛杰节能建材科技（上海）有限公司 | High-durability waterproof anti-cracking mortar |
| CN104402289A (en) * | 2014-11-26 | 2015-03-11 | 金华市欣生沸石开发有限公司 | Zeolite cement mortar waterproof agent and preparation method thereof |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105948644A (en) * | 2016-04-29 | 2016-09-21 | 广州世正环保科技发展有限公司 | Ceramic brick binder and preparation method thereof |
| CN106277961A (en) * | 2016-07-29 | 2017-01-04 | 衡山源水通科技环保有限公司 | A kind of preparation method of back side inorganic silicon waterproof material |
| CN108840616A (en) * | 2018-08-22 | 2018-11-20 | 益阳金宙建材科技有限公司 | A kind of waterproof mortar and preparation method thereof for tunnel |
| CN109133764A (en) * | 2018-08-22 | 2019-01-04 | 益阳金宙建材科技有限公司 | A kind of fast dry type tunnel mortar and preparation method thereof |
| CN110002838A (en) * | 2019-04-01 | 2019-07-12 | 傅自豪 | A kind of solid waste regeneration type waterproofing and leakage-stopping dry powder material and preparation method thereof |
| CN112049278A (en) * | 2020-09-04 | 2020-12-08 | 瑞洲建设集团有限公司 | Waterproof building external wall heat insulation structure and construction method thereof |
| CN114163200A (en) * | 2022-02-11 | 2022-03-11 | 河北壹合防水科技有限公司 | Efficient inorganic rigid waterproof coating and using method thereof |
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| CN104909665B (en) | 2017-03-22 |
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