CN105565700A - Early strength waterproof agent for ordinary Portland cement - Google Patents
Early strength waterproof agent for ordinary Portland cement Download PDFInfo
- Publication number
- CN105565700A CN105565700A CN201510960468.XA CN201510960468A CN105565700A CN 105565700 A CN105565700 A CN 105565700A CN 201510960468 A CN201510960468 A CN 201510960468A CN 105565700 A CN105565700 A CN 105565700A
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- CN
- China
- Prior art keywords
- portland cement
- ordinary portland
- resisting agent
- early strength
- strong water
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B40/00—Processes, in general, for influencing or modifying the properties of mortars, concrete or artificial stone compositions, e.g. their setting or hardening ability
- C04B40/0028—Aspects relating to the mixing step of the mortar preparation
- C04B40/0039—Premixtures of ingredients
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2103/00—Function or property of ingredients for mortars, concrete or artificial stone
- C04B2103/0068—Ingredients with a function or property not provided for elsewhere in C04B2103/00
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2103/00—Function or property of ingredients for mortars, concrete or artificial stone
- C04B2103/60—Agents for protection against chemical, physical or biological attack
- C04B2103/65—Water proofers or repellants
Abstract
The invention discloses an early strength waterproof agent for ordinary Portland cement. The early strength waterproof agent comprises, by weight, 100-300 parts of calcium sulfate, 5-10 parts of betaine, 100-300 parts of sodium hydroxide, 5-10 parts of stearic acid, 0.5-1 part of fatty acid amine, 0.2-0.5 part of carbomer, 0.2-0.6 part of hydrogenated rosin, 1.2-1.4 parts of methylcellulose, 0.5-0.9 part of flocculant and 0.1-0.2 part of sodium metaaluminate. The early strength waterproof agent is free of toxicity and pollution, cannot produce substances or gas harmful and toxic to human bodies or environment, and is relatively green and environmentally friendly in use; meanwhile, the early strength waterproof agent can quickly promote early strength of the ordinary Portland cement, and is extraordinary in waterproofness.
Description
Technical field
The present invention relates to a kind of early strong water-resisting agent, particularly a kind of morning for ordinary Portland cement strong water-resisting agent.
Background technology
Concrete early strength agent is one of admixture kind used the earliest in admixture developing history.Up to the present, people are the multiple early-strength admixture of exploitation except villaumite and vitriol successively, as nitrite, and chromic salt etc.; And organism hardening accelerator, as trolamine, calcium formiate, urea etc.And on the basis of hardening accelerator, the multiple composite additive of production application, as early strength water-reducing agent, early strength antifreezing agent and early-strength type pumping agent etc.Although hardening accelerator is produced and applicating history is longer, but along with people are to the intensification to the awareness of concrete performance and permanent stability potential hazard such as chlorion, sulfate ion, nitrate ion and alkalimetal ion, and the exploitation of large dosage slag powders or flyash concrete, also need to do a large amount of work in hardening accelerator.Hardening accelerator Main Function is the speed of response increasing cement and water, shortens the condensation of cement, setting time, promotes the growth of early age strength of concrete.Water-resisting agent can improve concrete anti-permeability performance, and concrete quality water suction dose rate is reduced, and weather resistance also significantly improves.The composition of strong water-resisting agent morning of the prior art because adding, though can strengthen the effect of early strong water-resisting agent, but also damages or environment human body simultaneously.And endeavour a kind of, environmental protection little to human injury of research, green, efficiently hardening accelerator water-resisting agent now, thus meet the engineering having early strong and waterproof requirement.
The information being disclosed in this background technology part is only intended to increase the understanding to general background of the present invention, and should not be regarded as admitting or imply in any form that this information structure has been prior art that persons skilled in the art are known.
Summary of the invention
The object of the present invention is to provide strong water-resisting agent a kind of morning for ordinary Portland cement, thus overcome in prior art to use and have the additive of injury or impact as the shortcoming of early strong water-resisting agent to human body, environment.
For achieving the above object, technical scheme provided by the invention is as follows:
A kind of morning for ordinary Portland cement strong water-resisting agent, following component raw material is comprised: calcium sulfate 100-300 part, trimethyl-glycine 5-10 part, sodium hydroxide 100-300 part, stearic acid 5-10 part, fatty acid amine 0.5-1 part, carbomer 0.2-0.5 part, staybelite 0.2-0.6 part, methylcellulose gum 1.2-1.4 part, flocculation agent 0.5-0.9 part and sodium metaaluminate 0.1-0.2 part according to ratio of weight and number--.
Preferably, described staybelite is 0.3-0.4 part.
Preferably, described staybelite is granularity is 150-250 object powder.
Preferably, described flocculation agent is sodium alginate.
When using the strong water-resisting agent above-mentioned morning for ordinary Portland cement, early strong water-resisting agent: ordinary Portland cement becomes 1-3:100 weight ratio.
Compared with prior art, the present invention has following beneficial effect:
The present invention is used for strong water-resisting agent nontoxic pollution-free morning of ordinary Portland cement, can not produce human body or the harmful material of environmental toxic or gas, comparatively green, environmental protection in use procedure; Meanwhile, strong water-resisting agent morning that the present invention is used for ordinary Portland cement can promote ordinary Portland cement early strength fast, and water resistance is splendid.
Embodiment
Be described in detail below in conjunction with embodiment, but be to be understood that protection scope of the present invention not by the restriction of embodiment.
Embodiment 1
In units of g, take following component raw material: calcium sulfate 200g, trimethyl-glycine 7g, sodium hydroxide 200g, stearic acid 8g, fatty acid amine 0.8g, carbomer 0.3g, granularity are 250 object staybelite 0.4g, methylcellulose gum 1.3g, sodium alginate 0.7g and sodium metaaluminate 0.2g, phytomelin 0.01g, by above-mentioned each raw material mixing and stirring, obtain strong water-resisting agent morning for ordinary Portland cement, for subsequent use.
Take ordinary Portland cement 200g, quartz sand 50g, with the alkaline soak 5h of mass concentration 50% before described quartzy sand uses, flyash 5g, naphthalenesulfonate formaldehyde condensation compound high efficiency water reducing agent 10g, diameter is the rubble head 50g of 10-15mm, above-mentionedly prepares the morning strong water-resisting agent of gained 4g for ordinary Portland cement.Gained ordinary Portland cement will be taken, quartz sand, flyash, naphthalenesulfonate formaldehyde condensation compound high efficiency water reducing agent, rubble head is put into stirrer and is added water and carry out mix and blend 10min, above-mentionedly take the morning strong water-resisting agent of gained for ordinary Portland cement mixing and stirring in ordinary Portland cement process to add, continue to stir 8min, obtain ordinary Portland cement mixture, gained ordinary Portland cement mixture is carried out under normal curing condition maintenance and basis " normal concrete mechanical property test standard " GB/T50081-2002 and " mortar, concrete waterproofer " JC474-1999 tentative specification, detect to obtain concrete l, 3, the ultimate compression strength of 7d and the ultimate compression strength of 28d, and 28d ordinary Portland cement in length of time mixture quality water suction dose rate.
The test of quality water suction dose rate: the ordinary Portland cement mixture in 28d length of time is put into baking oven, 48h is dried at 80 DEG C, take test specimen quality after oven dry and write down, under field conditions (factors) test specimen is cooled to room temperature, then put into water, test specimen is at each 50mm of the size that the water surface is upper and lower and keep water surface elevation constant, dries surface of test piece after 48h with the rag wrung out, take the quality of test specimen after saturated water suction, the quality test specimen quality of saturated water suction being deducted dry test specimen is quality water suction dose rate.
In above-described embodiment, the data obtained is as shown in data in table 1.
Embodiment 2
In units of g, take following component raw material: calcium sulfate 100g, trimethyl-glycine 5g, sodium hydroxide 100g, stearic acid 5g, fatty acid amine 0.5g, carbomer 0.2g, granularity are 150 object staybelite 0.2g, methylcellulose gum 1.2g, sodium alginate 0.5g and sodium metaaluminate 0.1g, by above-mentioned each raw material mixing and stirring, obtain strong water-resisting agent morning for ordinary Portland cement, for subsequent use.
Take ordinary Portland cement 200g, quartz sand 50g, with the alkaline soak 6h of mass concentration 50% before described quartzy sand uses, flyash 5g, naphthalenesulfonate formaldehyde condensation compound high efficiency water reducing agent 10g, diameter is the rubble head 50g of 10-15mm, above-mentionedly prepares the morning strong water-resisting agent of gained 2g for ordinary Portland cement.Gained ordinary Portland cement will be taken, quartz sand, flyash, naphthalenesulfonate formaldehyde condensation compound high efficiency water reducing agent, rubble head is put into stirrer and is added water and carry out mix and blend 15min, above-mentionedly take the morning strong water-resisting agent of gained for ordinary Portland cement mixing and stirring in ordinary Portland cement process to add, continue to stir 5min, obtain ordinary Portland cement mixture, gained ordinary Portland cement mixture is carried out under normal curing condition maintenance and basis " normal concrete mechanical property test standard " GB/T50081-2002 and " mortar, concrete waterproofer " JC474-1999 tentative specification, detect to obtain concrete l, 3, the ultimate compression strength of 7d and the ultimate compression strength of 28d, and 28d ordinary Portland cement in length of time mixture quality water suction dose rate.
The test of quality water suction dose rate is in the same manner as in Example 1.
In above-described embodiment, the data obtained is as shown in data in table 1.
Embodiment 3
In units of g, take following component raw material: calcium sulfate 300g, trimethyl-glycine 10g, sodium hydroxide 300g, stearic acid 10g, fatty acid amine 1g, carbomer 0.5g, granularity are 200 object staybelite 0.6g, methylcellulose gum 1.4g, sodium alginate 0.9g and sodium metaaluminate 0.2g, by above-mentioned each raw material mixing and stirring, obtain strong water-resisting agent morning for ordinary Portland cement, for subsequent use.
Take ordinary Portland cement 200g, quartz sand 50g, with the alkaline soak 5h of mass concentration 50% before described quartzy sand uses, flyash 5g, naphthalenesulfonate formaldehyde condensation compound high efficiency water reducing agent 10g, diameter is the rubble head 50g of 10-15mm, above-mentionedly prepares the morning strong water-resisting agent of gained 6g for ordinary Portland cement.Gained ordinary Portland cement will be taken, quartz sand, flyash, naphthalenesulfonate formaldehyde condensation compound high efficiency water reducing agent, rubble head is put into stirrer and is added water and carry out mix and blend 5min, above-mentionedly take the morning strong water-resisting agent of gained for ordinary Portland cement mixing and stirring in ordinary Portland cement process to add, continue to stir 10min, obtain ordinary Portland cement mixture, gained ordinary Portland cement mixture is carried out under normal curing condition maintenance and basis " normal concrete mechanical property test standard " GB/T50081-2002 and " mortar, concrete waterproofer " JC474-1999 tentative specification, detect to obtain concrete l, 3, the ultimate compression strength of 7d and the ultimate compression strength of 28d, and 28d ordinary Portland cement in length of time mixture quality water suction dose rate.
The test of quality water suction dose rate is in the same manner as in Example 1.
In above-described embodiment, the data obtained is as shown in data in table 1.
Comparative example 1
In units of g, take following component raw material: Tai-Ace S 150 30g, soap 10g, trolamine 1g, anhydrous sodium sulphate 20g, by above-mentioned each raw material mixing and stirring, obtain early strong water-resisting agent, for subsequent use.
Take ordinary Portland cement 200g, fineness modulus is the medium sand 90g of 2.8, flyash 4g, naphthalenesulfonate formaldehyde condensation compound high efficiency water reducing agent 10g, rubble 50g.Gained ordinary Portland cement will be taken, medium sand, flyash, naphthalenesulfonate formaldehyde condensation compound high efficiency water reducing agent, rubble is put into stirrer and is added water and carry out mix and blend 15min, above-mentionedly prepare gained early strong water-resisting agent mixing and stirring in ordinary Portland cement process to add, continue to stir 8min, obtain ordinary Portland cement mixture, gained ordinary Portland cement mixture is carried out under normal curing condition maintenance and basis " normal concrete mechanical property test standard " GB/T50081-2002 and " mortar, concrete waterproofer " JC474-1999 tentative specification, detect to obtain concrete l, 3, the ultimate compression strength of 7d and the ultimate compression strength of 28d, and 28d ordinary Portland cement in length of time mixture quality water suction dose rate.
The test of quality water suction dose rate is in the same manner as in Example 1.
In above-described embodiment, the data obtained is as shown in data in table 1.
Table 1
As can be seen from Table 1, the present invention early strong water-resisting agent increases in 1-7d ultimate compression strength and comparative example 1 phase specific tenacity, and time 28d, gap is larger, illustrates that the present invention's morning, strong water-resisting agent can impel cement early strength greatly; And quality product water suction dose rate of the present invention is compared with comparative example 1, quality product water suction dose rate of the present invention is lower, and waterproof effect is extremely obvious.
The aforementioned description to concrete exemplary of the present invention is to illustrate and the object of illustration.These descriptions not want the present invention to be defined as disclosed precise forms, and obviously, according to above-mentioned instruction, can much change and change.The object selected exemplary embodiment and describe is to explain certain principles of the present invention and practical application thereof, thus those skilled in the art can be realized and utilize various different exemplary of the present invention and various different selection and change.
Claims (5)
1. one kind the morning for ordinary Portland cement strong water-resisting agent, it is characterized in that, following component raw material is comprised: calcium sulfate 100-300 part, trimethyl-glycine 5-10 part, sodium hydroxide 100-300 part, stearic acid 5-10 part, fatty acid amine 0.5-1 part, carbomer 0.2-0.5 part, staybelite 0.2-0.6 part, methylcellulose gum 1.2-1.4 part, flocculation agent 0.5-0.9 part and sodium metaaluminate 0.1-0.2 part according to ratio of weight and number.
2., according to claim 1 for strong water-resisting agent morning of ordinary Portland cement, it is characterized in that: described staybelite is 0.3-0.4 part.
3. according to claim 1 for strong water-resisting agent morning of ordinary Portland cement, it is characterized in that: described staybelite is granularity is 150-250 object powder.
4., according to claim 1 for strong water-resisting agent morning of ordinary Portland cement, it is characterized in that: described flocculation agent is sodium alginate.
5. early strong water-resisting agent as claimed in claim 1 is used for ordinary Portland cement, it is characterized in that: early strong water-resisting agent: ordinary Portland cement becomes 1-3:100 weight ratio.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510960468.XA CN105565700B (en) | 2015-12-18 | 2015-12-18 | A kind of strong waterproofing agent of morning for Portland cement |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510960468.XA CN105565700B (en) | 2015-12-18 | 2015-12-18 | A kind of strong waterproofing agent of morning for Portland cement |
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| CN105565700A true CN105565700A (en) | 2016-05-11 |
| CN105565700B CN105565700B (en) | 2018-06-19 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106116236A (en) * | 2016-07-01 | 2016-11-16 | 卓达新材料科技集团威海股份有限公司 | A kind of portland cement waterproofing agent |
| CN106186791A (en) * | 2016-07-01 | 2016-12-07 | 卓达新材料科技集团威海股份有限公司 | A kind of Novel silicate cement waterproof agent |
| CN106242356A (en) * | 2016-08-30 | 2016-12-21 | 卓达新材料科技集团威海股份有限公司 | A kind of 3D prints house slip fast coagulating early strength agent |
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| CN102786275A (en) * | 2012-08-25 | 2012-11-21 | 广东韶钢松山股份有限公司 | Cement-based infiltration crystalline waterproof material |
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| CN102040348A (en) * | 2009-10-10 | 2011-05-04 | 陈磊 | Impervious early strength organosilicon waterproof agent and preparation process thereof |
| CN102786275A (en) * | 2012-08-25 | 2012-11-21 | 广东韶钢松山股份有限公司 | Cement-based infiltration crystalline waterproof material |
| CN105084805A (en) * | 2015-09-16 | 2015-11-25 | 桂林市和鑫防水装饰材料有限公司 | Inorganic-organic composite permeable crystallization type waterproof agent |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106116236A (en) * | 2016-07-01 | 2016-11-16 | 卓达新材料科技集团威海股份有限公司 | A kind of portland cement waterproofing agent |
| CN106186791A (en) * | 2016-07-01 | 2016-12-07 | 卓达新材料科技集团威海股份有限公司 | A kind of Novel silicate cement waterproof agent |
| CN106242356A (en) * | 2016-08-30 | 2016-12-21 | 卓达新材料科技集团威海股份有限公司 | A kind of 3D prints house slip fast coagulating early strength agent |
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| CN105565700B (en) | 2018-06-19 |
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