CN116023103A - ZD hydrophobic anti-freezing polymer mortar and preparation method and use method thereof - Google Patents
ZD hydrophobic anti-freezing polymer mortar and preparation method and use method thereof Download PDFInfo
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- CN116023103A CN116023103A CN202310106789.8A CN202310106789A CN116023103A CN 116023103 A CN116023103 A CN 116023103A CN 202310106789 A CN202310106789 A CN 202310106789A CN 116023103 A CN116023103 A CN 116023103A
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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 invention relates to the technical field of buildings, in particular to ZD hydrophobic anti-freezing polymer mortar, and a preparation method and a use method thereof; the ZD hydrophobic anti-freezing polymer mortar comprises the following raw materials in parts by weight of Portland cement, sand, latex powder, wood carbon fiber, polypropylene fiber, mortar thickening and water-retaining binder, hydroxypropyl cellulose and organosilicon waterproof agent. Compared with the prior art, the invention can greatly improve the hydrophobicity, freeze thawing resistance, crack resistance and acid, alkali and salt corrosion resistance of the mortar, avoid the damage to the mortar protection layer caused by the low temperature and day and night temperature difference change in high cold areas, and prolong the service life of the mortar protection layer; meanwhile, a large number of experiments prove that the invention has a wide prospect in the application aspects of the roof waterproof protection combination layer and the external wall heat insulation protection layer while obviously improving the freeze thawing resistance and the hydrophobicity and keeping high strength.
Description
Technical Field
The invention relates to the technical field of buildings, in particular to ZD hydrophobic anti-freezing polymer mortar, and a preparation method and a use method thereof.
Background
In the high cold area, the waterproof mortar protective layer is easy to shrink, expand and crack and the like due to the fact that the waterproof mortar protective layer is easily subjected to freeze thawing damage in the long-term low-temperature day-and-night change, so that improvement of the freeze thawing resistance of the waterproof mortar protective layer in the high cold area is particularly important, the conventional mode for improving the freeze thawing resistance is that the corrosion resistance of mixed water mortar is reduced due to the fact that the anti-freeze thawing agent is added, and when the excessive salt and other additives are added, particularly in the area with large low-temperature primary temperature difference change, the waterproof mortar is more susceptible to corrosion, so that the durability is remarkably reduced.
Disclosure of Invention
The invention provides ZD hydrophobic anti-freezing polymer mortar, a preparation method and a use method thereof, overcomes the defects of the prior art, and can effectively solve the problem that the existing waterproof mortar is easy to shrink, expand and crack in a high cold area, and the durability is obviously reduced due to excessive anti-freezing and thawing agents.
One of the technical schemes of the invention is realized by the following measures: the ZD hydrophobic anti-freezing polymer mortar comprises, by weight, 350-450 parts of Portland cement, 550-650 parts of sand, 16-20 parts of latex powder, 2-4 parts of wood charcoal fiber, 1.5-2.5 parts of polypropylene fiber, 2-3 parts of mortar thickening water-retaining binder, 0.5-1.5 parts of hydroxypropyl cellulose and 4-6 parts of organosilicon waterproofing agent.
The following are further optimizations and/or improvements to one of the above-described inventive solutions:
the raw materials comprise 400 parts of Portland cement, 600 parts of sand, 18 parts of latex powder, 3 parts of wood carbon fiber, 2 parts of polypropylene fiber, 2.5 parts of mortar thickening water retention binder, 1 part of hydroxypropyl cellulose and 5 parts of organosilicon waterproofing agent in parts by weight.
The Portland cement is 42.5-grade Portland cement.
The mortar thickening water retention binder is hydroxypropyl methyl celluloseHPMC；The sand is machine-made sand or natural sand.
The second technical scheme of the invention is realized by the following measures: a preparation method of ZD hydrophobic anti-freezing polymer mortar comprises the following steps: firstly, uniformly mixing 350 to 450 parts of raw material Portland cement, 550 to 650 parts of sand, 16 to 20 parts of latex powder, 2 to 4 parts of wood carbon fiber, 1.5 to 2.5 parts of polypropylene fiber, 2 to 3 parts of mortar thickening water retention binder and 0.5 to 1.5 parts of hydroxypropyl cellulose according to parts by weight to obtain a mixture; and secondly, sub-packaging the mixture into bags.
The following is a further optimization and/or improvement of the second technical scheme of the invention:
the preparation method of the ZD hydrophobic anti-freezing polymer mortar comprises the following steps: the method comprises the following steps of uniformly mixing 400 parts of Portland cement, 600 parts of sand, 18 parts of latex powder, 3 parts of wood carbon fiber, 2 parts of polypropylene fiber, 2.5 parts of mortar thickening water retention binder and 1 part of hydroxypropyl cellulose according to parts by weight to obtain a mixture; and secondly, sub-packaging the mixture into bags.
The Portland cement is 42.5-grade Portland cement.
The mortar thickening water retention binder is hydroxypropyl methyl celluloseHPMC；The sand is machine-made sand or natural sand.
The third technical scheme of the invention is realized by the following measures: the application method of the ZD hydrophobic anti-freezing polymer mortar comprises the following steps: the method comprises the steps of firstly, uniformly mixing the mixed material packaged by sub-packaging with water according to the mass ratio of 2:1 to obtain slurry; and secondly, adding a required amount of organosilicon waterproofing agent into the slurry, and uniformly mixing to obtain the ZD hydrophobic anti-freezing polymer mortar.
The following is a further optimization and/or improvement of the third aspect of the present invention:
the mixture of the subpackaging and packaging is silicate cement, sand, latex powder, wood carbon fiber, polypropylene fiber, mortar thickening and water retention binder and hydroxypropyl cellulose which are mixed according to the required amount.
Compared with the prior art, the invention can greatly improve the hydrophobicity, freeze thawing resistance, crack resistance and acid, alkali and salt corrosion resistance of the mortar, avoid the damage to the mortar protection layer caused by the low temperature and day and night temperature difference change in high cold areas, and prolong the service life of the mortar protection layer; meanwhile, a large number of experiments prove that the invention has a wide prospect in the application aspects of the roof waterproof protection combination layer and the external wall heat insulation protection layer while obviously improving the freeze thawing resistance and the hydrophobicity and keeping high strength.
Description of the embodiments
The present invention is not limited by the following examples, and specific embodiments can be determined according to the technical scheme and practical situations of the present invention. The various chemical reagents and chemicals mentioned in the present invention are all commonly known in the art unless specifically stated otherwise.
The embodiment 1 relates to ZD hydrophobic anti-freezing polymer mortar, which comprises, by weight, 350-450 parts of Portland cement, 550-650 parts of sand, 16-20 parts of latex powder, 2-4 parts of wood carbon fiber, 1.5-2.5 parts of polypropylene fiber, 2-3 parts of mortar thickening water-retaining binder, 0.5-1.5 parts of hydroxypropyl cellulose and 4-6 parts of organosilicon waterproofing agent. Z is the first letter of hydrophobicity and D is the first letter of freezing in the ZD hydrophobic anti-freezing polymer mortar; the ZD hydrophobic anti-freeze polymer mortar can also be called hydrophobic anti-freeze waterproof mortar.
Example 2 as optimization of the above example, the raw materials include 400 parts by weight of Portland cement, 600 parts by weight of sand, 18 parts by weight of latex powder, 3 parts by weight of wood charcoal fiber, 2 parts by weight of polypropylene fiber, 2.5 parts by weight of mortar thickening water retention binder, 1 part by weight of hydroxypropyl cellulose and 5 parts by weight of organosilicon waterproofing agent.
Example 3 as an optimization of the above example, the portland cement was 42.5 grade portland cement.
Example 4 As an optimization of the above examples, the mortar thickening and water retaining binder was hydroxypropyl methylcelluloseHPMC；The sand is machine-made sand or natural sand.
Example 5 a process for the preparation of a ZD hydrophobic anti-freeze polymer mortar, comprising the steps of: firstly, uniformly mixing 350 to 450 parts of raw material Portland cement, 550 to 650 parts of sand, 16 to 20 parts of latex powder, 2 to 4 parts of wood carbon fiber, 1.5 to 2.5 parts of polypropylene fiber, 2 to 3 parts of mortar thickening water retention binder and 0.5 to 1.5 parts of hydroxypropyl cellulose according to parts by weight to obtain a mixture; and secondly, sub-packaging the mixture into bags.
Example 6 as an optimisation of the above example, the preparation of a ZD hydrophobic anti-freeze polymer mortar was carried out as follows: the method comprises the following steps of uniformly mixing 400 parts of Portland cement, 600 parts of sand, 18 parts of latex powder, 3 parts of wood carbon fiber, 2 parts of polypropylene fiber, 2.5 parts of mortar thickening water retention binder and 1 part of hydroxypropyl cellulose according to parts by weight to obtain a mixture; and secondly, sub-packaging the mixture into bags.
Example 7 a method of using a ZD hydrophobic anti-freeze polymer mortar, comprising the steps of: the method comprises the steps of firstly, uniformly mixing the mixed material packaged by sub-packaging with water according to the mass ratio of 2:1 to obtain slurry; and secondly, adding a required amount of organosilicon waterproofing agent into the slurry, and uniformly mixing to obtain the ZD hydrophobic anti-freezing polymer mortar.
Example 8 as an optimization of the above example, the mixture of subpackaging into packs is Portland cement, sand, latex powder, wood charcoal fiber, polypropylene fiber, mortar thickening and water retention binder and hydroxypropyl cellulose mixed in the required amount.
Example 9A ZD hydrophobic anti-freeze polymer mortar, raw materials include 400kg of 42.5-grade Portland cement, 600kg of machine-made sand or natural sand, 18kg of latex powder, 3kg of wood carbon fiber, 2kg of polypropylene fiber and hydroxypropyl methyl cellulose in parts by weightHPMC15-20 ten thousand viscosity2.5kg of mortar thickening water-retaining binder, 1kg of hydroxypropyl cellulose and 5kg of organosilicon waterproofing agent.
Example 10 a process for the preparation of a ZD hydrophobic anti-freeze polymer mortar, comprising the steps of: the first step, the raw materials comprise 400kg of 42.5-grade silicate cement, 600kg of machine-made sand or natural sand, 18kg of latex powder, 3kg of wood carbon fiber, 2kg of polypropylene fiber and hydroxypropyl methyl cellulose in parts by weightHPMC15-20 ten thousand viscosity2.5kg of mortar thickening water-retaining binder and 1kg of hydroxypropyl cellulose are uniformly mixed to obtain a mixture; and secondly, sub-packaging the mixture into bags.
Example 11 a method of using a ZD hydrophobic anti-freeze polymer mortar, comprising the steps of: the method comprises the steps of firstly, uniformly mixing the mixed material packaged by sub-packaging with water according to the mass ratio of 2:1 to obtain slurry; and secondly, adding a required amount of organosilicon waterproofing agent into the slurry, and uniformly mixing to obtain the ZD hydrophobic anti-freezing polymer mortar. The mixture of the subpackaging and packaging in the embodiment is silicate cement, sand, latex powder, wood carbon fiber, polypropylene fiber, mortar thickening and water retention binder and hydroxypropyl cellulose which are mixed according to the required amount; the raw materials in the embodiment comprise 400kg of 42.5-grade silicate cement, 600kg of machine-made sand or natural sand, 18kg of latex powder, 3kg of wood carbon fiber, 2kg of polypropylene fiber and hydroxypropyl methyl cellulose in parts by weightHPMC15-20 ten thousand viscosity Degree of2.5kg of mortar thickening water-retaining binder, 1kg of hydroxypropyl cellulose and 5kg of organosilicon waterproofing agent.
The properties of the ZD hydrophobic anti-freeze polymer mortar of the invention obtained in example 11 are as follows: the average performance of the mortar after 350 times of freeze thawing experiments is compared with that of the conventional common waterproof mortar and is shown in table 1:
TABLE 1
| Sequence number | Performance of | Common mortar | ZD hydrophobic anti-freezing polymer mortar of the invention | Experimental method |
| 1 | Compressive strength (MPa) | 51 | 43.7 | |
| 2 | Tensile strength (MPa) | 5.5 | 7.8 | |
| 3 | Flexural strength (MPa) | 10.7 | 17.2 | |
| 4 | Limit extension rate | 228 | 600~935 | |
| 5 | Tensile elastic modulus (1X 104 MPa) | 2.6 | 1.54 | |
| 6 | Shrinkage deformation | 1271 | 522 | |
| 7 | Bonding strength with old mortar (MPa) | 1.4 | 8.3 | |
| 8 | Bonding strength with Steel plate (MPa) | 0 | 0.8~1.7 | |
| 9 | Height of water seepage (mm) | 90 | 31 | Water pressure of 1.5MPa, constant pressure for 24h |
| 10 | Percent abrasion (%) | 5.38 | 3.86 | Double-cylinder disc wear-resisting machine |
| 11 | Depth of fast carbonization (mm) | 3.6 | 0.89 | 20% C02 concentration carbonization for 20 days |
| 12 | Depth of penetration (mm) of chloride ions after salt water immersion | >20 | 1.4 | |
| 13 | Loss of carbonization strength | 13 | 14 | Carbon arc lamp full weathering 2160h |
| 14 | Water absorption after 2 days (%) | 12 | 1.2 | |
| 15 | Freezing resistance | <60 | >350 |
As can be seen from Table 1, compared with the existing common mortar, the ZD hydrophobic anti-freezing polymer mortar has the advantages of limiting tensile rate, increasing the tensile rate by 1-3 times, increasing the tensile strength by 1.35-1.5 times, reducing the tensile elastic modulus, reducing shrinkage, remarkably improving crack resistance, improving the bonding strength with concrete surfaces, old mortar and steel plates by more than 4 times, reducing water absorption by 10 times after 2 days, improving impermeability by 1.5 times, improving the chloride ion permeation resistance by more than 8 times, along with basically no toxicity, convenient construction, low cost and good sealing effect, and can achieve the purposes of preventing the old concrete from further carbonization, delaying the corrosion speed of the steel bars and resisting the degradation and damage; a large number of experiments prove that the invention has the advantages of obviously improved freeze thawing resistance and hydrophobicity, simultaneously kept high strength and greatly improved service life, and has wide application prospect in the aspects of roof waterproof protection combination layer and external wall heat insulation protection layer.
In conclusion, compared with the prior art, the invention can greatly improve the hydrophobicity, freeze thawing resistance, crack resistance and acid, alkali and salt corrosion resistance of the mortar, avoid the damage to the mortar protection layer caused by the low temperature and day and night temperature difference change in high cold areas, and prolong the service life of the mortar protection layer; meanwhile, a large number of experiments prove that the invention has a wide prospect in the application aspects of the roof waterproof protection combination layer and the external wall heat insulation protection layer while obviously improving the freeze thawing resistance and the hydrophobicity and keeping high strength.
The technical characteristics form the embodiment of the invention, have stronger adaptability and implementation effect, and can increase or decrease unnecessary technical characteristics according to actual needs so as to meet the requirements of different situations.
Claims (10)
1. The ZD hydrophobic anti-freezing polymer mortar is characterized by comprising 350 to 450 parts of silicate cement, 550 to 650 parts of sand, 16 to 20 parts of latex powder, 2 to 4 parts of wood carbon fiber, 1.5 to 2.5 parts of polypropylene fiber, 2 to 3 parts of mortar thickening water-retaining binder, 0.5 to 1.5 parts of hydroxypropyl cellulose and 4 to 6 parts of organosilicon waterproofing agent according to parts by weight.
2. The ZD hydrophobic anti-freezing polymer mortar according to claim 1, wherein the raw materials comprise 400 parts of silicate cement, 600 parts of sand, 18 parts of latex powder, 3 parts of wood carbon fiber, 2 parts of polypropylene fiber, 2.5 parts of mortar thickening water retention binder, 1 part of hydroxypropyl cellulose and 5 parts of organosilicon waterproofing agent in parts by weight.
3. A ZD hydrophobic anti-freeze polymer mortar according to claim 1 or 2, characterized in that the portland cement is 42.5-grade portland cement.
4. A ZD hydrophobic anti-freeze polymer mortar according to claim 1 or 2, characterized in that the mortar thickening water retention binder is hydroxypropyl methylcelluloseHPMC；The sand is machine-made sand or natural sand.
5. A preparation method of ZD hydrophobic anti-freezing polymer mortar is characterized by comprising the following steps: firstly, uniformly mixing 350 to 450 parts of raw material Portland cement, 550 to 650 parts of sand, 16 to 20 parts of latex powder, 2 to 4 parts of wood carbon fiber, 1.5 to 2.5 parts of polypropylene fiber, 2 to 3 parts of mortar thickening water retention binder and 0.5 to 1.5 parts of hydroxypropyl cellulose according to parts by weight to obtain a mixture; and secondly, sub-packaging the mixture into bags.
6. The method for preparing the ZD hydrophobic anti-freezing polymer mortar according to claim 5, which is characterized by comprising the following steps: the method comprises the following steps of uniformly mixing 400 parts of Portland cement, 600 parts of sand, 18 parts of latex powder, 3 parts of wood carbon fiber, 2 parts of polypropylene fiber, 2.5 parts of mortar thickening water retention binder and 1 part of hydroxypropyl cellulose according to parts by weight to obtain a mixture; and secondly, sub-packaging the mixture into bags.
7. A process for the preparation of a ZD hydrophobic anti-freeze polymer mortar according to claim 5 or 6 characterised in that the portland cement is 42.5 grade portland cement.
8. The process for preparing ZD hydrophobic anti-freeze polymer mortar according to claim 5 or 6, wherein the mortar thickening water retention binder is hydroxypropyl methylcelluloseHPMC；The sand is machine-made sand or natural sand.
9. A method of using a ZD hydrophobic anti-freeze polymer mortar according to claim 1 or 2 or 3 or 4, characterized by the following steps: the method comprises the steps of firstly, uniformly mixing the mixed material packaged by sub-packaging with water according to the mass ratio of 2:1 to obtain slurry; and secondly, adding a required amount of organosilicon waterproofing agent into the slurry, and uniformly mixing to obtain the ZD hydrophobic anti-freezing polymer mortar.
10. The method for using the ZD hydrophobic anti-freezing polymer mortar according to claim 9, wherein the packaged mixture is Portland cement, sand, latex powder, wood carbon fiber, polypropylene fiber, mortar thickening and water retention binder and hydroxypropyl cellulose mixed according to the required amount.
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| CN202310106789.8A CN116023103A (en) | 2023-02-13 | 2023-02-13 | ZD hydrophobic anti-freezing polymer mortar and preparation method and use method thereof |
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| CN202310106789.8A CN116023103A (en) | 2023-02-13 | 2023-02-13 | ZD hydrophobic anti-freezing polymer mortar and preparation method and use method thereof |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101851960A (en) * | 2010-05-10 | 2010-10-06 | 陈岳朝 | Insulation system with polycrystalline anti-cracking and waterproofing mortar |
| CN111747690A (en) * | 2020-06-02 | 2020-10-09 | 江门市禹成新型建材有限公司 | Door and window frame joint filling waterproof mortar with strong hydrophobic and micro-elastic functions |
| CN115321921A (en) * | 2022-09-06 | 2022-11-11 | 河南郑大建筑材料有限公司 | Polymer waterproof mortar and preparation method and application thereof |
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- 2023-02-13 CN CN202310106789.8A patent/CN116023103A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101851960A (en) * | 2010-05-10 | 2010-10-06 | 陈岳朝 | Insulation system with polycrystalline anti-cracking and waterproofing mortar |
| CN111747690A (en) * | 2020-06-02 | 2020-10-09 | 江门市禹成新型建材有限公司 | Door and window frame joint filling waterproof mortar with strong hydrophobic and micro-elastic functions |
| CN115321921A (en) * | 2022-09-06 | 2022-11-11 | 河南郑大建筑材料有限公司 | Polymer waterproof mortar and preparation method and application thereof |
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