CN1821153A - Dry powder mortar system of building external insulation polystyrene insulation board - Google Patents
Dry powder mortar system of building external insulation polystyrene insulation board Download PDFInfo
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- CN1821153A CN1821153A CNA2006100053752A CN200610005375A CN1821153A CN 1821153 A CN1821153 A CN 1821153A CN A2006100053752 A CNA2006100053752 A CN A2006100053752A CN 200610005375 A CN200610005375 A CN 200610005375A CN 1821153 A CN1821153 A CN 1821153A
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- dry powder
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- powder mortar
- portland cement
- fiber
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/91—Use of waste materials as fillers for mortars or concrete
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Abstract
The present invention provides a dry powder mortar system for external building heat insulating polystyrene board and including adhering dry powder mortar and anticracking dry powder mortar, and belongs to the field of building material technology. The dry powder mortar system has high adhesion strength, high compression strength, low heat conducting coefficient, less dry contraction deformation, excellent placeability, high water preserving property, and asy construction and transportation. It is mixture of Portland cement, flyash, quartzite, dispersive polymer glue powder, water preserving agent, composite admixture, fiber, etc. It is mixed with water in 20 wt% before being used as the adhering layer or anticracking layer for heat insulating polystyrene board.
Description
Technical field
The present invention relates to a kind of dry powder mortar system, can be divided into dry powder adhesive mortar and dry powder anticracking grout, be applied to the tack coat and the crack-resistant layer of polystyrene thermal insulation plate, belong to the building material industry field by its functional effect.
Background technology
External thermal insulation system appears at Europe as far back as the seventies in 20th century, its temperature variation and humidity condensed by reducing external wall of building has significantly reduced the buildings damage and reduced the monolithic architecture cost, and its superiority is check and the proof through putting into practice.Along with external wall thermal insulation technology further develops maturation, this technology progresses into Chinese market the beginning of the nineties, and the development in external wall outer insulation field also begins to quicken immediately.Introduction by foreign technology with exchange, and in conjunction with domestic practical situation, insulating product constantly occurs both at home and abroad, technology is used and is gradually improved.
In patent " specially for heat insulating polystyrene outer-wall board compound binding agent " by name, it has improved adhesive property, ageing-resistant performance, hardness and the water resistance of binding agent, but the patented product easily produces be full of cracks, hollowing comes off, ultimate compression strength is difficult to guarantee, and operating efficiency is low, and on-the-spot formulated product quality also is difficult to guarantee.Judging from the current situation, in the existing building external insulation system, mainly have two large problems: one, the adhering heat insulating plate agent when using bicomponent system,, cause the defective of product performance, as cohesive strength deficiency or flexibility and poor durability, and then the destruction that may cause wall face.Compare with bicomponent system, the polymer modification dry-mix of single component mixes automatically by the silo transport system, with water and the mechanical injection construction, has guaranteed security, quality controllability and high efficiency that heat preservation construction is used.Two, there are " hot and cold bridge " phenomenon in ordinary mortar and warming plate, and the coefficient of shrinkage is mutually far short of what is expected, in the drying and watering cycle process, intensity is affected, therefore research has good workability, water-retentivity, high bond strength and significant aspect thousand compression deformations, heat conductivility.
Summary of the invention
The present invention has overcome the defective of bicomponent system dry-mix and existing common dry-mix, and a kind of cohesive strength height, resistance to compression, thermal conductivity low, dry-shrinkage deformed little and good workability, water-retentivity, construction effect and the dry powder mortar system of being convenient to transport are provided.
The technical solution adopted in the present invention is:
One, dry powder adhesive mortar, its composition (weight percent) is: ordinary Portland cement 20-35%, flyash 10-25%, 40-80 order quartz sand or river sand 35-45%, redispersible polymer rubber powder 2-5%, water-holding agent 0.02-0.1%, compound additive 0.1-1%.
Two, dry powder anticracking grout, its composition (weight percent) is: ordinary Portland cement 15-30%, flyash 15-25%, 80-120 order quartz sand or river sand 35-45%, redispersible polymer rubber powder 2-5%, water-holding agent 0.02-0.1%, compound additive 0.1-1%, fiber 1.5-3.5%.
Embodiment
One, the tack coat prescription of the building external insulation polystyrene insulation board of Cai Yonging is (weight percent): 35 parts of ordinary Portland cements, 18 parts in flyash, 42 parts of 40-80 order quartz sands, 4 parts of redispersible polymer rubber powders, 0.5 part of water-holding agent, 0.5 part of compound additive.Use the water mixing and stirring of this powder mixture and 20 parts at last, promptly obtain the good polystyrene thermal insulation plate binding agent of workability and water-retentivity, this binding agent cohesive strength height, dry-shrinkage deformed coefficient are little, phenomenon such as can effectively prevent the polystyrene thermal insulation plate hollowing, chap, come off.
Two, the crack-resistant layer prescription of the building external insulation polystyrene insulation board of Cai Yonging is (weight percent): 33 parts of ordinary Portland cements, 23 parts in flyash, 37 parts in 80-120 order river sand, 3.5 parts of redispersible polymer rubber powders, 0.5 part of water-holding agent, 0.5 part of compound additive, fiber 2.5%.Use the water mixing and stirring of this powder mixture and 22 parts at last, promptly obtain the good polystyrene thermal insulation plate anti-fissuring agent of workability and water-retentivity, this anti-fissuring agent cohesive strength height, ultimate compression strength height, dry-shrinkage deformed coefficient are little, can effectively prevent phenomenons such as polystyrene thermal insulation plate be full of cracks, hollowing.
Existing structure is through adopting the external insulation polystyrene insulation board dry powder mortar system, table with test results obvious results fruit is good after 28 days, cohesive strength reaches 0.8MPa, and ultimate compression strength reaches 1.6MPa, and other performance index all are better than the requirement of defined among the JG149-2003.
Claims (8)
1, a kind of dry powder mortar system of building external insulation polystyrene insulation board is characterized in that comprising dry powder adhesive mortar and dry powder anticracking grout.
2, dry powder adhesive mortar according to claim 1, it is characterized in that comprising following component proportioning (weight percent): ordinary Portland cement 20-35%, flyash 10-25%, 40-80 order quartz sand or river sand 35-45%, redispersible polymer rubber powder 2-5%, water-holding agent 0.02-0.1%, compound additive 0.1-1%.
3, dry powder anticracking grout according to claim 1, it is characterized in that comprising following component proportioning (weight percent): ordinary Portland cement 15-30%, flyash 15-25%, 80-120 order quartz sand or river sand 35-45%, redispersible polymer rubber powder 2-5%, water-holding agent 0.02-0.1%, compound additive 0.1-1%, fiber 1.5-3.5%.
4, ordinary Portland cement according to claim 1 and 2 is characterized in that: described ordinary Portland cement label can be 42.5, at least a among the 42.5R or 52.5.
5, redispersible polymer rubber powder according to claim 1 and 2 is characterized in that: described redispersible polymer rubber powder is a polyethylene vinyl acetate ester latex powder.
6, water-holding agent according to claim 1 and 2 is characterized in that: described water-holding agent is that molecular weight is at least a in the hydroxypropyl methyl cellulose ether, hydroxyethyl ether cellulose, methyl hydroxyethylcellulose ether of 40000-75000.
7, compound additive according to claim 1 and 2 is characterized in that: described compound additive contains air entrapment agent and calcium formiate.
8, fiber according to claim 3 is characterized in that: described fiber can be that length is at least a in polypropylene monofilament fiber, trevira or the polyacrylonitrile fibre of 3-6mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2006100053752A CN1821153A (en) | 2006-01-18 | 2006-01-18 | Dry powder mortar system of building external insulation polystyrene insulation board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2006100053752A CN1821153A (en) | 2006-01-18 | 2006-01-18 | Dry powder mortar system of building external insulation polystyrene insulation board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1821153A true CN1821153A (en) | 2006-08-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2006100053752A Pending CN1821153A (en) | 2006-01-18 | 2006-01-18 | Dry powder mortar system of building external insulation polystyrene insulation board |
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| CN (1) | CN1821153A (en) |
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101560084B (en) * | 2009-06-02 | 2011-12-14 | 河北科技大学 | Environmental-friendly waterproof polymer mortar |
| CN101348358B (en) * | 2007-07-18 | 2012-05-30 | 深圳市海川实业股份有限公司 | Exterior wall external heat insulation protecting mortar |
| CN102531483A (en) * | 2012-02-29 | 2012-07-04 | 青岛科瑞新型环保材料有限公司 | Bonding mortar special for ultrathin heat insulation board and preparation method of bonding mortar |
| CN102557547A (en) * | 2012-02-29 | 2012-07-11 | 青岛科瑞新型环保材料有限公司 | Special anti-crack mortar for ultrathin heat insulation board and preparation method thereof |
| CN103073250A (en) * | 2013-02-20 | 2013-05-01 | 江苏中邦涂料有限公司 | Wall paint agent for porous bricks |
| CN103102121A (en) * | 2012-12-17 | 2013-05-15 | 重庆市百世得建材有限公司 | Tackifier and preparation method thereof |
| CN104496346A (en) * | 2014-11-26 | 2015-04-08 | 芜湖中民科技建材有限公司 | Dry-mixed adhesive mortar and its preparation method and use |
| CN104710136A (en) * | 2013-12-13 | 2015-06-17 | 许勤峰 | Adhesive for exterior wall thermal insulation boards |
| CN105314935A (en) * | 2015-10-21 | 2016-02-10 | 严晗 | Energy-saving and environment-friendly sound insulation and heat preservation method for building inner wall |
| CN105585292A (en) * | 2014-11-17 | 2016-05-18 | 天津禹神节能保温材料有限公司 | Adhesive mortar for external wall heat insulation |
| CN107963857A (en) * | 2017-12-19 | 2018-04-27 | 济南大学 | A kind of cracking resistance bonding mortar |
| CN110218043A (en) * | 2019-05-31 | 2019-09-10 | 湖南省博一节能防水工程有限公司 | A kind of environment-friendly type utilizes the mortar and preparation method thereof of regenerated resources |
| CN110395957A (en) * | 2019-08-28 | 2019-11-01 | 浙江工业大学 | A kind of EPS light-weight aggregate thermal insulation decorative integrated plate and preparation method thereof |
| CN111187037A (en) * | 2019-12-13 | 2020-05-22 | 西藏藏建科技股份有限公司 | Anti-crack bonding mortar |
-
2006
- 2006-01-18 CN CNA2006100053752A patent/CN1821153A/en active Pending
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101348358B (en) * | 2007-07-18 | 2012-05-30 | 深圳市海川实业股份有限公司 | Exterior wall external heat insulation protecting mortar |
| CN101560084B (en) * | 2009-06-02 | 2011-12-14 | 河北科技大学 | Environmental-friendly waterproof polymer mortar |
| CN102531483A (en) * | 2012-02-29 | 2012-07-04 | 青岛科瑞新型环保材料有限公司 | Bonding mortar special for ultrathin heat insulation board and preparation method of bonding mortar |
| CN102557547A (en) * | 2012-02-29 | 2012-07-11 | 青岛科瑞新型环保材料有限公司 | Special anti-crack mortar for ultrathin heat insulation board and preparation method thereof |
| CN103102121A (en) * | 2012-12-17 | 2013-05-15 | 重庆市百世得建材有限公司 | Tackifier and preparation method thereof |
| CN103073250B (en) * | 2013-02-20 | 2014-06-11 | 江苏中邦节能科技有限公司 | Wall paint agent for porous bricks |
| CN103073250A (en) * | 2013-02-20 | 2013-05-01 | 江苏中邦涂料有限公司 | Wall paint agent for porous bricks |
| CN104710136A (en) * | 2013-12-13 | 2015-06-17 | 许勤峰 | Adhesive for exterior wall thermal insulation boards |
| CN105585292A (en) * | 2014-11-17 | 2016-05-18 | 天津禹神节能保温材料有限公司 | Adhesive mortar for external wall heat insulation |
| CN104496346A (en) * | 2014-11-26 | 2015-04-08 | 芜湖中民科技建材有限公司 | Dry-mixed adhesive mortar and its preparation method and use |
| CN105314935A (en) * | 2015-10-21 | 2016-02-10 | 严晗 | Energy-saving and environment-friendly sound insulation and heat preservation method for building inner wall |
| CN107963857A (en) * | 2017-12-19 | 2018-04-27 | 济南大学 | A kind of cracking resistance bonding mortar |
| CN110218043A (en) * | 2019-05-31 | 2019-09-10 | 湖南省博一节能防水工程有限公司 | A kind of environment-friendly type utilizes the mortar and preparation method thereof of regenerated resources |
| CN110395957A (en) * | 2019-08-28 | 2019-11-01 | 浙江工业大学 | A kind of EPS light-weight aggregate thermal insulation decorative integrated plate and preparation method thereof |
| CN111187037A (en) * | 2019-12-13 | 2020-05-22 | 西藏藏建科技股份有限公司 | Anti-crack bonding mortar |
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