CN106116236A - A kind of portland cement waterproofing agent - Google Patents
A kind of portland cement waterproofing agent Download PDFInfo
- Publication number
- CN106116236A CN106116236A CN201610519033.6A CN201610519033A CN106116236A CN 106116236 A CN106116236 A CN 106116236A CN 201610519033 A CN201610519033 A CN 201610519033A CN 106116236 A CN106116236 A CN 106116236A
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- CN
- China
- Prior art keywords
- portland cement
- waterproofing agent
- cellulose
- dehydration
- plant
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- 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
-
- 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
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/02—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
- C04B28/04—Portland cements
-
- 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
-
- 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
- C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
- C04B2201/50—Mortars, concrete or artificial stone characterised by specific physical values for the mechanical strength
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The invention belongs to building material technical field, particularly relate to a kind of portland cement waterproofing agent.A kind of portland cement waterproofing agent, it is to be made up of calcium chloride, triethanolamine, sodium hydroxide, calcium stearate, cellulose ether and plant cellulose film；The parts by weight of described calcium chloride, triethanolamine, sodium hydroxide, calcium stearate, cellulose ether and plant cellulose film are respectively 13 parts, 0.05 0.1 parts, 13 parts, 0.05 0.1 parts, 15 parts and 0.5 8 parts.The portland cement waterproofing agent of the present invention can make portland cement solidify soon, foaming size is uniform, and can reduce water absorption rate, later strength loss less；The portland cement waterproofing agent of the present invention can make the portland cement demoulding time short, is difficult to the mould that collapses；The portland cement waterproofing agent of the present invention can reduce the water absorption rate of portland cement, less to its later stage loss of strength.
Description
Technical field
The invention belongs to building material technical field, particularly relate to a kind of portland cement waterproofing agent.
Background technology
Concrete early strength agent is one of additive kind of using the earliest in additive developing history.Up to the present, people
Successively multiple early-strength admixture beyond exploitation dechlorination salt and sulfate, such as nitrite, chromate etc.；And it is organic
Thing early strength agent, such as triethanolamine, calcium formate, carbamide etc..And on the basis of early strength agent, production application is multiple compound additional
Agent, such as early strength water-reducing agent, early strength antifreezing agent and early-strength pumping admixture etc..Although early strength agent produces and applicating history is longer, but with
People concrete performance and long-time stability are dived by chloride ion, sulfate ion, nitrate ion and alkali metal ion etc.
In the intensification of awareness of harm, and large dosage slag powders or the exploitation of flyash concrete, also need in terms of early strength agent
Do substantial amounts of work.Early strength agent Main Function is to increase the response speed of cement and water, shortens the condensation of cement, firm time,
Promote the growth of early age strength of concrete.Waterproofing agent can improve the anti-permeability performance of concrete, makes the quality water absorption of concrete
Rate reduces, and durability also significantly improves.Morning of the prior art, strong waterproofing agent was because of the composition added, though the strongest waterproofing agent can be strengthened
Effect, but also human body is damaged or environment simultaneously.And it is a kind of to human injury to endeavour research now
Little, environmental protection, green, efficient early strength agent waterproofing agent, thus meet and have the strongest and engineering of waterproof requirement.
The information being disclosed in this background section is merely intended to increase the understanding of the general background to the present invention, and should not
When being considered to recognize or imply in any form this information structure prior art well known to persons skilled in the art.
Summary of the invention
For the deficiencies in the prior art, a kind of portland cement waterproofing agent of offer is provided, bubble can be reduced
Size and the uneven problem that foams, make foaming fine and smooth and can promote intensity, reduce water absorption rate.
The technical scheme that the present invention provides is:
A kind of portland cement waterproofing agent, it is by calcium chloride, triethanolamine, sodium hydroxide, calcium stearate, cellulose ether
Constitute with plant cellulose film.
As preferably, described calcium chloride, triethanolamine, sodium hydroxide, calcium stearate, cellulose ether and plant cellulose
The parts by weight of film are respectively 1-3 part, 0.05-0.1 part, 1-3 part, 0.05-0.1 part, 1-5 part and 0.5-8 part.
As preferably, described cellulose ether is methylcellulose.
As preferably, the preparation method of described plant cellulose film, comprise the following steps:
(1) with bagasse as raw material, extracted, obtain plant cellulose；
Described is extracted as alkalinity extraction, including: by bagasse through be dried → rolling → alkali liquor kiering → dehydration → carbon
The washing of acid sodium solution dipping → dehydration → dilute acid pretreatment washing → dehydration → sodium carbonate liquor dipping → dehydration → dilute acid pretreatment →
Washing → dehydration → be dried, prepares plant cellulose；
(2) it is 10-15%'s by the weight/mass percentage composition of plant cellulose, propylgallate and water in step (1)
N-methylmorpholine-N-oxide water solution mix homogeneously, prepares Plant fiber's cellulose solution；
(3) the Plant fiber's cellulose solution in step (2) is made film, post-treated obtain plant cellulose film.
Present invention also offers the using method of described portland cement waterproofing agent, itself and the mass ratio of portland cement
For 0.05-1:100.
Compared with prior art, there is advantages that
(1) the portland cement waterproofing agent of the present invention can make portland cement solidify soon, foaming size uniformly, and can reduce
The loss of water absorption rate, later strength is few.
(2) the portland cement waterproofing agent of the present invention can make the portland cement demoulding time short, is difficult to the mould that collapses.
(3) the portland cement waterproofing agent of the present invention can reduce the water absorption rate of portland cement, to its later stage loss of strength
Less.
Detailed description of the invention
Below in conjunction with embodiment, the detailed description of the invention of the present invention is described in detail, it is to be understood that the guarantor of the present invention
Scope of protecting is not limited by detailed description of the invention.
Explicitly indicating that unless otherwise other, otherwise in entire disclosure and claims, term " includes " or it becomes
Change and such as " comprising " or " including " etc. will be understood to comprise stated element or ingredient, and do not get rid of other yuan
Part or other ingredient.
Embodiment 1:
A kind of portland cement waterproofing agent, it is by calcium chloride, triethanolamine, sodium hydroxide, calcium stearate, cellulose ether
Constitute with plant cellulose film；Described calcium chloride, triethanolamine, sodium hydroxide, calcium stearate, cellulose ether and Plant fiber
The parts by weight of element film are respectively 1 part, 0.05 part, 1 part, 0.05 part, 1 part and 0.5 part；Described cellulose ether is Methyl cellulose
Element；The preparation method of described plant cellulose film, comprises the following steps:
(1) with bagasse as raw material, extracted, obtain plant cellulose；
Described is extracted as alkalinity extraction, including: by bagasse through be dried → rolling → alkali liquor kiering → dehydration → carbon
The washing of acid sodium solution dipping → dehydration → dilute acid pretreatment washing → dehydration → sodium carbonate liquor dipping → dehydration → dilute acid pretreatment →
Washing → dehydration → be dried, prepares plant cellulose；
(2) by the N-first that weight/mass percentage composition is 10% of plant cellulose, propylgallate and the water in step (1)
Base methylmorpholine-N-oxide aqueous solution is uniform, prepares Plant fiber's cellulose solution；
(3) the Plant fiber's cellulose solution in step (2) is made film, post-treated obtain plant cellulose film.
Present invention also offers the using method of described portland cement waterproofing agent, itself and the mass ratio of portland cement
For 0.05:100.
Embodiment 2:
A kind of portland cement waterproofing agent, it is by calcium chloride, triethanolamine, sodium hydroxide, calcium stearate, cellulose ether
Constitute with plant cellulose film；Described calcium chloride, triethanolamine, sodium hydroxide, calcium stearate, cellulose ether and Plant fiber
The parts by weight of element film are respectively 3 parts, 0.1 part, 3 parts, 0.1 part, 5 parts and 8 parts；Described cellulose ether is methylcellulose；
The preparation method of described plant cellulose film, comprises the following steps:
(1) with bagasse as raw material, extracted, obtain plant cellulose；
Described is extracted as alkalinity extraction, including: by bagasse through be dried → rolling → alkali liquor kiering → dehydration → carbon
The washing of acid sodium solution dipping → dehydration → dilute acid pretreatment washing → dehydration → sodium carbonate liquor dipping → dehydration → dilute acid pretreatment →
Washing → dehydration → be dried, prepares plant cellulose；
(2) by the N-first that weight/mass percentage composition is 15% of plant cellulose, propylgallate and the water in step (1)
Base methylmorpholine-N-oxide aqueous solution is uniform, prepares Plant fiber's cellulose solution；
(3) the Plant fiber's cellulose solution in step (2) is made film, post-treated obtain plant cellulose film.
Present invention also offers the using method of described portland cement waterproofing agent, itself and the mass ratio of portland cement
For 1:100.
Embodiment 3:
A kind of portland cement waterproofing agent, it is by calcium chloride, triethanolamine, sodium hydroxide, calcium stearate, cellulose ether
Constitute with plant cellulose film；Described calcium chloride, triethanolamine, sodium hydroxide, calcium stearate, cellulose ether and Plant fiber
The parts by weight of element film are respectively 2 parts, 0.08 part, 2 parts, 0.07 part, 3 parts and 3 parts；Described cellulose ether is Methyl cellulose
Element；The preparation method of described plant cellulose film, comprises the following steps:
(1) with bagasse as raw material, extracted, obtain plant cellulose；
Described is extracted as alkalinity extraction, including: by bagasse through be dried → rolling → alkali liquor kiering → dehydration → carbon
The washing of acid sodium solution dipping → dehydration → dilute acid pretreatment washing → dehydration → sodium carbonate liquor dipping → dehydration → dilute acid pretreatment →
Washing → dehydration → be dried, prepares plant cellulose；
(2) by the N-first that weight/mass percentage composition is 13% of plant cellulose, propylgallate and the water in step (1)
Base methylmorpholine-N-oxide aqueous solution is uniform, prepares Plant fiber's cellulose solution；
(3) the Plant fiber's cellulose solution in step (2) is made film, post-treated obtain plant cellulose film.
Present invention also offers the using method of described portland cement waterproofing agent, itself and the mass ratio of portland cement
For 0.08:100.
Embodiment 4: use portland cement waterproofing agent of the present invention to prepare the performance measurement of portland cement board
The portland cement slab products of preparation in embodiment 1-3, comparative example 1 is used the examination of 300KN (WE 30) hydraulic universal
Testing machine (test instrunment is AEC-201 type strength of cement testing machine) and measure its rupture strength, test result is shown in Table 1.
Table 1 uses portland cement waterproofing agent of the present invention to prepare the performance measurement of portland cement board
Note: compare the cement plate for using Portland cement to prepare: embodiment is for adding portland cement waterproofing agent
The cement plate of rear preparation.
As it can be seen from table 1 use portland cement waterproofing agent of the present invention to prepare the anti-of portland cement board
Folding intensity is far above comparative example 1, and little, the uniform in foaming that foams, and to later strength free of losses, its demolding performace is also superior to contrast
Example 1.
Embodiment 5: the resistance to water using portland cement waterproofing agent of the present invention to prepare cement plate measures
5.1 test material and method
Test material uses the portland cement board obtained by embodiment of the present invention 1-3 and comparison.
Take 4 blocks of sheet materials, with paraffin and rosin blend (mass ratio 1:1), sheet material edge and the back side are closed.So
After by the tap water of the 1/2 of sheet material area immersion room temperature, observe, till foaming, efflorescence, peeling occurs in surface.
5.2 test results and analysis
The resistance to water that table 2 uses portland cement waterproofing agent of the present invention to prepare portland cement board measures
From table 2 it can be seen that use portland cement waterproofing agent of the present invention to prepare the resistance to of portland cement board
Aqueous is far above comparison.
The aforementioned description to the specific illustrative embodiment of the present invention illustrates that and the purpose of illustration.These describe
It is not wishing to limit the invention to disclosed precise forms, and it will be apparent that according to above-mentioned teaching, can much change
And change.The purpose selected exemplary embodiment and describe is to explain that the certain principles of the present invention and reality thereof should
With so that those skilled in the art be capable of and utilize the present invention various different exemplary and
Various different selections and change.The scope of the present invention is intended to be limited by claims and equivalents thereof.
Claims (5)
1. a portland cement waterproofing agent, it is characterised in that: it is by calcium chloride, triethanolamine, sodium hydroxide, stearic acid
Calcium, cellulose ether and plant cellulose film are constituted.
Portland cement waterproofing agent the most according to claim 1, it is characterised in that: described calcium chloride, triethanolamine, hydrogen
The parts by weight of sodium oxide, calcium stearate, cellulose ether and plant cellulose film be respectively 1-3 part, 0.05-0.1 part, 1-3 part,
0.05-0.1 part, 1-5 part and 0.5-8 part.
Portland cement waterproofing agent the most according to claim 1 and 2, it is characterised in that: described cellulose ether is methyl
Cellulose.
Portland cement waterproofing agent the most according to claim 1 and 2, it is characterised in that: described plant cellulose film
Preparation method, comprises the following steps:
(1) with bagasse as raw material, extracted, obtain plant cellulose；
Described is extracted as alkalinity extraction, including: by bagasse through be dried → rolling → alkali liquor kiering → dehydration → sodium carbonate
Solution impregnation → dehydration → dilute acid pretreatment washing → dehydration → sodium carbonate liquor dipping → dehydration → dilute acid pretreatment washing → washing
→ dehydration → be dried, prepares plant cellulose；
(2) by the N-first that weight/mass percentage composition is 10-15% of plant cellulose, propylgallate and the water in step (1)
Base methylmorpholine-N-oxide aqueous solution is uniform, prepares Plant fiber's cellulose solution；
(3) the Plant fiber's cellulose solution in step (2) is made film, post-treated obtain plant cellulose film.
The using method of portland cement waterproofing agent the most according to claim 1 and 2, it is characterised in that: itself and silicate
The mass ratio of cement is 0.05-1:100.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610519033.6A CN106116236A (en) | 2016-07-01 | 2016-07-01 | A kind of portland cement waterproofing agent |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610519033.6A CN106116236A (en) | 2016-07-01 | 2016-07-01 | A kind of portland cement waterproofing agent |
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| CN106116236A true CN106116236A (en) | 2016-11-16 |
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| CN201610519033.6A Pending CN106116236A (en) | 2016-07-01 | 2016-07-01 | A kind of portland cement waterproofing agent |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1587175A (en) * | 2004-08-20 | 2005-03-02 | 姜哲 | Concrete and mortar water-proof agent and its producing process and construction method |
| CN102127241A (en) * | 2011-02-01 | 2011-07-20 | 李文江 | Method for preparing plant cellulose film by taking herbaceous plant as raw material |
| CN104211355A (en) * | 2014-09-03 | 2014-12-17 | 庄铁宝 | Waterproof alkali-resistant repairing additive for building surface covering layer structure and using method of waterproof alkali-resistant repairing additive |
| CN105198273A (en) * | 2015-11-02 | 2015-12-30 | 宋介珍 | Concrete compound type chloride-free early strength agent and preparation method thereof |
| CN105271917A (en) * | 2015-10-16 | 2016-01-27 | 卓达新材料科技集团威海股份有限公司 | Waterproof agent for inorganic foam material and preparation method of waterproof agent |
| CN105417986A (en) * | 2015-12-18 | 2016-03-23 | 卓达新材料科技集团威海股份有限公司 | Early-strength waterproof agent for ordinary Portland cement |
| CN105481462A (en) * | 2015-12-30 | 2016-04-13 | 卓达新材料科技集团威海股份有限公司 | Bubble shrinking agent for foamed cement |
| CN105565700A (en) * | 2015-12-18 | 2016-05-11 | 卓达新材料科技集团威海股份有限公司 | Early strength waterproof agent for ordinary Portland cement |
| CN105601157A (en) * | 2015-12-18 | 2016-05-25 | 卓达新材料科技集团威海股份有限公司 | Early strength waterproof agent for ordinary Portland cement |
-
2016
- 2016-07-01 CN CN201610519033.6A patent/CN106116236A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1587175A (en) * | 2004-08-20 | 2005-03-02 | 姜哲 | Concrete and mortar water-proof agent and its producing process and construction method |
| CN102127241A (en) * | 2011-02-01 | 2011-07-20 | 李文江 | Method for preparing plant cellulose film by taking herbaceous plant as raw material |
| CN104211355A (en) * | 2014-09-03 | 2014-12-17 | 庄铁宝 | Waterproof alkali-resistant repairing additive for building surface covering layer structure and using method of waterproof alkali-resistant repairing additive |
| CN105271917A (en) * | 2015-10-16 | 2016-01-27 | 卓达新材料科技集团威海股份有限公司 | Waterproof agent for inorganic foam material and preparation method of waterproof agent |
| CN105198273A (en) * | 2015-11-02 | 2015-12-30 | 宋介珍 | Concrete compound type chloride-free early strength agent and preparation method thereof |
| CN105417986A (en) * | 2015-12-18 | 2016-03-23 | 卓达新材料科技集团威海股份有限公司 | Early-strength waterproof agent for ordinary Portland cement |
| CN105565700A (en) * | 2015-12-18 | 2016-05-11 | 卓达新材料科技集团威海股份有限公司 | Early strength waterproof agent for ordinary Portland cement |
| CN105601157A (en) * | 2015-12-18 | 2016-05-25 | 卓达新材料科技集团威海股份有限公司 | Early strength waterproof agent for ordinary Portland cement |
| CN105481462A (en) * | 2015-12-30 | 2016-04-13 | 卓达新材料科技集团威海股份有限公司 | Bubble shrinking agent for foamed cement |
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