CN106698997A - Mortar admixture - Google Patents
Mortar admixture Download PDFInfo
- Publication number
- CN106698997A CN106698997A CN201610878902.4A CN201610878902A CN106698997A CN 106698997 A CN106698997 A CN 106698997A CN 201610878902 A CN201610878902 A CN 201610878902A CN 106698997 A CN106698997 A CN 106698997A
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- parts
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- water
- mortar
- sodium
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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
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/00474—Uses not provided for elsewhere in C04B2111/00
- C04B2111/00482—Coating or impregnation materials
-
- 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
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/34—Non-shrinking or non-cracking materials
- C04B2111/343—Crack resistant materials
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Detergent Compositions (AREA)
Abstract
Belonging to the technical field of concrete, the invention in particular relates to a mortar admixture. The mortar admixture is composed of the following components by mass: 25-30 parts of a water reducing type shrinkage reducing agent, 7-9 parts of camellia oleifera triterpenoid saponis, 3-6 parts of a tackifier, 2-3 parts of a water retaining agent, 2-4 parts of sodium gluconate, and 55-60 parts of water. Through rational use of the water reducing type shrinkage reducing agent, the mortar admixture provided by the invention solves the cracking problem of whitewash mortar; the water retention effects of camellia oleifera triterpenoid saponis, the tackifier and the water retaining agent are utilized to improve the water retention properties of mortar, and the water retention rate of mortar can reach 90-95%; and by means of the delayed coagulation effect of sodium gluconate, the mortar coagulation time is adjustable within 2-20h.
Description
Technical field
Can avoid painting mortar problem of Cracking, protect the present invention relates to mortar additive technical field, more particularly to one kind
The good mortar additive of aqueous energy.
Background technology
Mortar additive is mixed during mixing building mortar, is used to improve the material of the performance of building mortar.
Mortar additive can be effectively improved the performance of building mortar, and mortar additive is to the operable time of mortar and setting time
It is determined that, the hollowing cracking behavior of the easy property of work, workability, intensity and mortar to mortar has material impact.
At present, mortar additive goes back Shortcomings in the above-mentioned improvement performance to mortar, needs further improvement.
The content of the invention
In order to solve problem present in above-mentioned technology, can avoid painting mortar it is an object of the invention to provide one kind
Problem of Cracking, water retention property is good, setting time adjustable mortar additive.
To realize above-mentioned technical purpose, the present invention uses following technical scheme：
A kind of mortar additive, is made up of the component of following mass fraction：25~30 parts of water reducing type economization agent, oil tea triterpene
7~9 parts of saponin, 3~6 parts of tackifier, 2~3 parts of water-loss reducer, 2~4 parts of sodium gluconate, 55~60 parts of water.
Wherein, the water reducing type economization agent is made up of the component of following mass fraction：5~8 parts of acrylic acid, methacrylic acid
15~20 parts of polyethylene glycol monoesters, 5~7 parts of propyl group block polyether, 4~6 parts of methylpropene sodium sulfonate, 1~2 part of ammonium persulfate,
3~4 parts of the sodium hydroxide solution of mass concentration 30~35%, 55~60 parts of soft water.
The preparation technology of the water reducing type economization agent is as follows：
(1) each raw material components are got out by said ratio；To soft water, methacrylic acid that 32~35 parts are added in reactor
Polyethylene glycol monoesters, propyl group block polyether and methylpropene sodium sulfonate, open stirring；
(2) acrylic acid and 20~23 parts of soft water are configured to solution I, ammonium persulfate is configured to solution with remaining soft water
Ⅱ；
(3) solution is warming up to 75~80 DEG C in kettle, first adds the 50% of the total amount of solution II, then starts that the He of solution I is added dropwise
Surplus solution II, solution I and the time for adding of surplus solution II are 150~180 minutes；After solution I and the completion of dropping of solution II, after
Continuous insulation reaction 120 minutes；
(4) the logical cooling water temperature of reactor, it is 7.0 to be neutralized to pH with sodium hydroxide solution, obtains water reducing type economization agent.
Preferably, the tackifier are oxidative lignin's sodium sulfonate, the Weight-average molecular of oxidative lignin's sodium sulfonate
Amount preferably 5000~10000.
Preferably, the water-loss reducer is metasilicate pentahydrate sodium or non-hydrate sodium metasilicate.
Compared with prior art, the inventive method has at least following beneficial effect：
(1) present invention solves the problem of Cracking for painting mortar by rationally using water reducing type economization agent.
(2) present invention improves the water-retaining property of mortar using the water retention of oil tea triterpenoid saponin, tackifier and water-loss reducer
Can, mortar water retention reaches 90~95%.
(3) present invention makes mortar coagulation time adjustable in 2~20 hours using the deferred action of sodium gluconate.
Specific embodiment
With reference to embodiment, the present invention is expanded on further.In the following detailed description, only retouched by way of explanation
Some one exemplary embodiments of the invention are stated.Undoubtedly, one of ordinary skill in the art will recognize, without departing from
In the case of the spirit and scope of the present invention, the described embodiments may be modified in various different ways.
Embodiment 1
A kind of mortar additive, is made up of the component of following mass fraction：25 parts of water reducing type economization agent, oil tea triterpenoid saponin
7 parts, 3 parts of oxidative lignin's sodium sulfonate, 2 parts of metasilicate pentahydrate sodium, 2 parts of sodium gluconate, 55 parts of water.
Wherein, the water reducing type economization agent is made up of the component of following mass fraction：5 parts of acrylic acid, methacrylic acid gathers
15 parts of ethylene glycol ester, 5 parts of propyl group block polyether, 4 parts of methylpropene sodium sulfonate, 1 part of ammonium persulfate, mass concentration 30~35%
3 parts of sodium hydroxide solution, 55 parts of soft water.
The preparation technology of the water reducing type economization agent is as follows：
(1) each raw material components are got out by said ratio；To soft water, the poly- second of methacrylic acid that 32 parts are added in reactor
Diol monoester, propyl group block polyether and methylpropene sodium sulfonate, open stirring；
(2) acrylic acid and 20 parts of soft water are configured to solution I, ammonium persulfate is configured to solution II with remaining soft water；
(3) solution is warming up to 75~80 DEG C in kettle, first adds the 50% of the total amount of solution II, then starts that the He of solution I is added dropwise
Surplus solution II, solution I and the time for adding of surplus solution II are 150~180 minutes；After solution I and the completion of dropping of solution II, after
Continuous insulation reaction 120 minutes；
(4) the logical cooling water temperature of reactor, it is 7.0 to be neutralized to pH with sodium hydroxide solution, obtains water reducing type economization agent.
Embodiment 2
A kind of mortar additive, is made up of the component of following mass fraction：28 parts of water reducing type economization agent, oil tea triterpenoid saponin
8 parts, 4 parts of oxidative lignin's sodium sulfonate, 3 parts of non-hydrate sodium metasilicate, 3 parts of sodium gluconate, 58 parts of water.
Wherein, the water reducing type economization agent is made up of the component of following mass fraction：7 parts of acrylic acid, methacrylic acid gathers
18 parts of ethylene glycol ester, 6 parts of propyl group block polyether, 5 parts of methylpropene sodium sulfonate, 1.5 parts of ammonium persulfate, mass concentration 30~
3.5 parts of 35% sodium hydroxide solution, 58 parts of soft water.
The preparation technology of the water reducing type economization agent is as follows：
(1) each raw material components are got out by said ratio；To soft water, the poly- second of methacrylic acid that 33 parts are added in reactor
Diol monoester, propyl group block polyether and methylpropene sodium sulfonate, open stirring；
(2) acrylic acid and 22 parts of soft water are configured to solution I, ammonium persulfate is configured to solution II with remaining soft water；
(3) solution is warming up to 75~80 DEG C in kettle, first adds the 50% of the total amount of solution II, then starts that the He of solution I is added dropwise
Surplus solution II, solution I and the time for adding of surplus solution II are 150~180 minutes；After solution I and the completion of dropping of solution II, after
Continuous insulation reaction 120 minutes；
(4) the logical cooling water temperature of reactor, it is 7.0 to be neutralized to pH with sodium hydroxide solution, obtains water reducing type economization agent.
Embodiment 3
A kind of mortar additive, is made up of the component of following mass fraction：30 parts of water reducing type economization agent, oil tea triterpenoid saponin
9 parts, 6 parts of oxidative lignin's sodium sulfonate, 3 parts of metasilicate pentahydrate sodium, 4 parts of sodium gluconate, 60 parts of water.
Wherein, the water reducing type economization agent is made up of the component of following mass fraction：8 parts of acrylic acid, methacrylic acid gathers
20 parts of ethylene glycol ester, 7 parts of propyl group block polyether, 6 parts of methylpropene sodium sulfonate, 2 parts of ammonium persulfate, mass concentration 30~35%
4 parts of sodium hydroxide solution, 60 parts of soft water.
The preparation technology of the water reducing type economization agent is as follows：
(1) each raw material components are got out by said ratio；To soft water, the poly- second of methacrylic acid that 35 parts are added in reactor
Diol monoester, propyl group block polyether and methylpropene sodium sulfonate, open stirring；
(2) acrylic acid and 23 parts of soft water are configured to solution I, ammonium persulfate is configured to solution II with remaining soft water；
(3) solution is warming up to 75~80 DEG C in kettle, first adds the 50% of the total amount of solution II, then starts that the He of solution I is added dropwise
Surplus solution II, solution I and the time for adding of surplus solution II are 150~180 minutes；After solution I and the completion of dropping of solution II, after
Continuous insulation reaction 120 minutes；
(4) the logical cooling water temperature of reactor, it is 7.0 to be neutralized to pH with sodium hydroxide solution, obtains water reducing type economization agent.
It is demonstrated experimentally that the present invention solves the problem of Cracking for painting mortar by rationally using water reducing type economization agent；Utilize
The water retention of oil tea triterpenoid saponin, tackifier and water-loss reducer, improves the water retention property of mortar, and mortar water retention reaches 90~
95%；Using the deferred action of sodium gluconate, make mortar coagulation time adjustable in 2~20 hours.
Schematical specific embodiment of the invention is the foregoing is only, the scope of the present invention is not limited to.It is any
Those skilled in the art, done equivalent variations and modification on the premise of design of the invention and principle is not departed from,
The scope of protection of the invention should be belonged to.
Claims (6)
1. a kind of mortar additive, it is characterised in that be made up of the component of following mass fraction：Water reducing type economization agent 25~30
Part, 7~9 parts of oil tea triterpenoid saponin, 3~6 parts of tackifier, 2~3 parts of water-loss reducer, 2~4 parts of sodium gluconate, 55~60 parts of water.
2. mortar additive as claimed in claim 1, it is characterised in that the water reducing type economization agent is by following mass fraction
Component is constituted：5~8 parts of acrylic acid, 15~20 parts of Methacrylate Polyglycol Monoester, 5~7 parts of propyl group block polyether, methyl
4~6 parts of sodium allylsulfonate, 1~2 part of ammonium persulfate, 3~4 parts of the sodium hydroxide solution of mass concentration 30~35%, soft water 55~
60 parts.
3. mortar additive as claimed in claim 2, it is characterised in that the preparation technology of the water reducing type economization agent is as follows：
(1) each raw material components are got out by proportioning in claim 2；To soft water, methyl-prop that 32~35 parts are added in reactor
Olefin(e) acid polyethylene glycol monoesters, propyl group block polyether and methylpropene sodium sulfonate, open stirring；
(2) acrylic acid and 20~23 parts of soft water are configured to solution I, ammonium persulfate is configured to solution II with remaining soft water；
(3) solution is warming up to 75~80 DEG C in kettle, first adds the 50% of the total amount of solution II, then starts that solution I and residue is added dropwise
Solution II, solution I and the time for adding of surplus solution II are 150~180 minutes；After solution I and the completion of dropping of solution II, continue to protect
Temperature reaction 120 minutes；
(4) the logical cooling water temperature of reactor, it is 7.0 to be neutralized to pH with sodium hydroxide solution, obtains water reducing type economization agent.
4. mortar additive as claimed in claim 1, it is characterised in that：The tackifier are oxidative lignin's sodium sulfonate.
5. mortar additive as claimed in claim 4, it is characterised in that：The weight average molecular weight of oxidative lignin's sodium sulfonate
It is 5000~10000.
6. mortar additive as claimed in claim 1, it is characterised in that：The water-loss reducer is that metasilicate pentahydrate sodium or nine water are inclined
Sodium metasilicate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610878902.4A CN106698997B (en) | 2016-09-30 | 2016-09-30 | A kind of mortar additive |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610878902.4A CN106698997B (en) | 2016-09-30 | 2016-09-30 | A kind of mortar additive |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106698997A true CN106698997A (en) | 2017-05-24 |
| CN106698997B CN106698997B (en) | 2019-02-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610878902.4A Active CN106698997B (en) | 2016-09-30 | 2016-09-30 | A kind of mortar additive |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116444188A (en) * | 2023-06-19 | 2023-07-18 | 湖南大学 | Biomass thickener based on camellia oleifera and typha derivatives, and preparation method and application thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1844026A (en) * | 2006-04-21 | 2006-10-11 | 华南理工大学 | A novel masonry cement |
| CN103333297A (en) * | 2013-06-24 | 2013-10-02 | 北京工业大学 | Preparation method of reduced polycarboxylate-type high-performance water reducing agent |
| CN104129943A (en) * | 2014-08-18 | 2014-11-05 | 四川恒泽建材有限公司 | Wet-mixed mortar admixture as well as preparation method and application thereof |
-
2016
- 2016-09-30 CN CN201610878902.4A patent/CN106698997B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1844026A (en) * | 2006-04-21 | 2006-10-11 | 华南理工大学 | A novel masonry cement |
| CN103333297A (en) * | 2013-06-24 | 2013-10-02 | 北京工业大学 | Preparation method of reduced polycarboxylate-type high-performance water reducing agent |
| CN104129943A (en) * | 2014-08-18 | 2014-11-05 | 四川恒泽建材有限公司 | Wet-mixed mortar admixture as well as preparation method and application thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116444188A (en) * | 2023-06-19 | 2023-07-18 | 湖南大学 | Biomass thickener based on camellia oleifera and typha derivatives, and preparation method and application thereof |
| CN116444188B (en) * | 2023-06-19 | 2023-10-13 | 湖南大学 | Biomass thickener based on camellia oleifera and typha derivatives, and preparation method and application thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106698997B (en) | 2019-02-26 |
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