CN104513042A - External heat-insulation polystyrene insulation board dry powder mortar system - Google Patents
External heat-insulation polystyrene insulation board dry powder mortar system Download PDFInfo
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- CN104513042A CN104513042A CN201310445926.7A CN201310445926A CN104513042A CN 104513042 A CN104513042 A CN 104513042A CN 201310445926 A CN201310445926 A CN 201310445926A CN 104513042 A CN104513042 A CN 104513042A
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Abstract
A construction external heat-insulation polystyrene insulation board dry powder mortar system is composed of (1) dry powder adhered mortar, which is composed of the following components in percentage by weight: 20 to 30% of common silicate cement, 10 to 20% of fly ash, 40 to 45% of 40-80 mesh quartz sand or river sand, 3 to 5% of redispersable polymer rubber powder, and 0.02 to 0.1% of water retaining agent; and (2) dry powder surface mortar, which is composed of the following components in percentage by weight: 20 to 30% of common silicate cement, 15 to 25% of fly ash, 35 to 45% of 80-120 mesh quartz sand or river sand, 2 to 5% of redispersable polymer rubber powder, 0.02 to 0.1% of water retaining agent, and 2 to 3.5% of fiber.
Description
Technical field
The present invention relates to a kind of dry powder mortar system, dry powder adhesive mortar and dry-powder front mortar can be divided into by its functional effect, be applied to tack coat and the crack-resistant layer of polystyrene thermal insulation plate, belong to building material industry field.
Background technology
Along with the development of external wall thermal insulation technology is ripe, this technology progresses into Chinese market the beginning of the nineties, and the development in external wall outer insulation field also starts to accelerate immediately.By the introduction of foreign technology with exchange, and in conjunction with domestic practical situation, domestic and international insulating product constantly occurs, technology application is gradually improved.
Summary of the invention
One, dry powder adhesive mortar, its composition (weight percent) is: ordinary Portland cement 20-30%, flyash 10-20%, 40-80 order quartz sand or river sand 40-45%, redisperable polymer powder 3-5%, water-holding agent 0.02-0.1%.
Two, dry-powder front mortar, its composition (weight percent) is: ordinary Portland cement 20-30%, flyash 15-25%, 80-120 order quartz sand or river sand 35-45%, redisperable polymer powder 2-5%, water-holding agent 0.02-0.1%, fiber 2-3.5%.
Embodiment
One, the tack coat formula of building external insulation polystyrene insulation board is: ordinary Portland cement 35 parts, 18 parts, flyash, 40-80 order quartz sand 42 parts, redisperable polymer powder 4 parts, water-holding agent 0.5 part, compound additive 0.5 part.Finally by the water mixing and stirring of this powder mixture and 20 parts, namely workability and the excellent polystyrene thermal insulation plate binding agent of water-retentivity is obtained, high, the dry-shrinkage deformed coefficient of this binding agent cohesive strength is little, phenomenons such as effectively can preventing polystyrene thermal insulation plate hollowing, chap, come off.
The crack-resistant layer formula of the building external insulation polystyrene insulation board two, adopted is (weight percent): ordinary Portland cement 33 parts, 23 parts, flyash, 37 parts, 80-120 order river sand, redisperable polymer powder 3.5 parts, water-holding agent 0.5 part, compound additive 0.5 part, fiber 2.5%.Finally by the water mixing and stirring of this powder mixture and 22 parts, namely workability and the excellent polystyrene thermal insulation plate anti-fissuring agent of water-retentivity is obtained, this anti-fissuring agent cohesive strength is high, ultimate compression strength is high, dry-shrinkage deformed coefficient is little, effectively can prevent the phenomenons such as polystyrene thermal insulation plate be full of cracks, hollowing.
Claims (7)
1. dry powder mortar system of building external insulation polystyrene insulation board, is characterized in that comprising dry powder adhesive mortar and dry-powder front mortar.
2. dry powder adhesive mortar according to claim 1, it is characterized in that comprising following component proportioning (weight percent): ordinary Portland cement 20-30%, flyash 10-20%, 40-80 order quartz sand or river sand 40-45%, redisperable polymer powder 3-5%, water-holding agent 0.02-0.1%.
3. dry-powder front mortar according to claim 1, it is characterized in that comprising following component proportioning (weight percent): ordinary Portland cement 20-30%, flyash 15-25%, 80-120 order quartz sand or river sand 35-45%, redisperable polymer powder 2-5%, water-holding agent 0.02-0.1%, fiber 2-3.5%.
4. ordinary Portland cement according to claim 1 and 2, is characterized in that: described ordinary Portland cement label can be at least one in 42.5R or 52.5.
5. redisperable polymer powder according to claim 1 and 2, is characterized in that: described redisperable polymer powder is EVA latex powder.
6. water-holding agent according to claim 1 and 2, is characterized in that: at least one in the hydroxypropyl methyl cellulose ether of described water-holding agent to be molecular weight be 40000-10000, hydroxyethyl ether cellulose, methyl hydroxyethylcellulose ether.
7. fiber according to claim 3, is characterized in that: at least one in the polypropylene monofilament fiber of described fiber can be length be 3-6mm, trevira or polyacrylonitrile fibre.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310445926.7A CN104513042A (en) | 2013-09-27 | 2013-09-27 | External heat-insulation polystyrene insulation board dry powder mortar system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310445926.7A CN104513042A (en) | 2013-09-27 | 2013-09-27 | External heat-insulation polystyrene insulation board dry powder mortar system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104513042A true CN104513042A (en) | 2015-04-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310445926.7A Pending CN104513042A (en) | 2013-09-27 | 2013-09-27 | External heat-insulation polystyrene insulation board dry powder mortar system |
Country Status (1)
| Country | Link |
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| CN (1) | CN104513042A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107963857A (en) * | 2017-12-19 | 2018-04-27 | 济南大学 | A kind of cracking resistance bonding mortar |
| CN108424083A (en) * | 2018-04-19 | 2018-08-21 | 俞小峰 | A kind of preparation method of anti-cracking plastering mortar |
| CN112390593A (en) * | 2020-11-30 | 2021-02-23 | 兰州新区圣厦建材有限公司 | Dry-mixed insulation board surface mortar and preparation method and application thereof |
-
2013
- 2013-09-27 CN CN201310445926.7A patent/CN104513042A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107963857A (en) * | 2017-12-19 | 2018-04-27 | 济南大学 | A kind of cracking resistance bonding mortar |
| CN108424083A (en) * | 2018-04-19 | 2018-08-21 | 俞小峰 | A kind of preparation method of anti-cracking plastering mortar |
| CN112390593A (en) * | 2020-11-30 | 2021-02-23 | 兰州新区圣厦建材有限公司 | Dry-mixed insulation board surface mortar and preparation method and application thereof |
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Legal Events
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| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150415 |