CN103011675B - Water-based water-reduction type mortar tackifier, as well as preparation method and application thereof - Google Patents
Water-based water-reduction type mortar tackifier, as well as preparation method and application thereof Download PDFInfo
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- CN103011675B CN103011675B CN201210517961.0A CN201210517961A CN103011675B CN 103011675 B CN103011675 B CN 103011675B CN 201210517961 A CN201210517961 A CN 201210517961A CN 103011675 B CN103011675 B CN 103011675B
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Abstract
The invention discloses a water-based water-reduction type mortar tackifier and a preparation method as well as an application thereof. The preparation raw material of the water-based water-reduction type mortar tackifier comprises the following components in percentage by weight: 10-20% of modified naphthalene water reducer, 30-50% of acrylate emulsion, 0.1-1.0% of modified starch, 0.5-5.0% of de-foaming agent and 31-53.3% of water. The modified naphthalene water reducer is obtained by reacting naphthalene with sulfuric acid, adding benzoic acid polyethylene glycol ester and formaldehyde, reacting, finally adjusting pH (potential of hydrogen) to be 7-8 by using NaOH. The water-based water-reduction type mortar tackifier is obtained by mixing the components according to the above mass percentage and then stirring uniformly. By adding the modified naphthalene water reducer and the acrylate emulsion in the water-based water-reduction type mortar tackifier provided by the invention, the amount of the water used when mixing mortar is liable to be reduced, the workability of the mortar is improved, the initial binding power of the mortar to walls, tiles and the like, as well as the later solidifying strength are enhanced.
Description
Technical field
The invention belongs to building material field, relate to a kind of water-based water reducing type mortar tackifier and preparation method thereof and application.
Background technology
China is in civil construction high-speed development period, has every year a large amount of civil construction projects in the middle of building, and original civil construction project is damaged and needed to repair or upgrade because of environmental activity, natural disaster etc.Mortar need to be used in the construction of civil construction project, reparation or more new capital.
In construction work, mortar is commonly used for building wall and indoor and outdoor is plastered.Therefore, mortar need to have good adhesive property, and people often mix rubber powder, " mortar king " etc. and improve the performances such as its workability, cohesiveness.But the tackifier such as traditional rubber powder, " mortar king " are solids, in mortar production process, due to metering inconvenience; cannot ensure the quality of production of mortar; be difficult to mass-producing, standardized production, use to mortar manufacturer and make troubles, increase its labor cost.Use ordinary emulsion to be added into after mortar, although improved cohesiveness, when construction, performance is bad, and workability is poor, shows as feel weight, and operating efficiency declines, and in addition, emulsion price is more expensive, and when big area is used, cost is high.
Summary of the invention
Cannot improve the Production Flow Chart of mortar for existing mortar tackifier; and there is inferior position and defect in price, performance etc.; primary and foremost purpose of the present invention is to provide a kind of water-based water reducing type mortar tackifier; these mortar tackifier are water-based; the consumption of water can reduce mixing mortar time; improve mortar later strength, and significantly improve the adhesive property of mortar, and facilitate mortar manufacturer mass-producing work production.
Another object of the present invention is to provide the preparation method of above-mentioned water-based water reducing type mortar tackifier.
A further object of the present invention is to provide the application of above-mentioned water-based water reducing type mortar tackifier.
Object of the present invention is achieved through the following technical solutions:
A kind of water-based water reducing type mortar tackifier, its raw materials comprises following composition by mass percentage:
Preferably, above-mentioned water-based water reducing type mortar tackifier, its raw materials comprises following composition by mass percentage:
Described modified naphthalene series water-reducing agent is prepared by following methods:
Naphthalene is dropped in reactor and heats up and melt, be warming up to 130～150 DEG C, drip sulfuric acid, dropwise rear insulation reaction 2～3 hours, be cooled to 90～100 DEG C, add phenylformic acid macrogol ester and formaldehyde solution, insulation reaction 1～2 hour, be cooled to 40～50 DEG C, adjust pH to 7～8 with NaOH solution, obtain modified naphthalene series water-reducing agent.
Described naphthalene is preferably NAPTHALENE FLAKES. (INDUSTRIAL GRADE）;
It is 98% the vitriol oil that described sulfuric acid is preferably mass percent.
The time that described sulfuric acid drips is preferably 0.5～1.0 hour.
Described phenylformic acid macrogol ester is prepared by following methods: polyoxyethylene glycol, phenylformic acid, tosic acid are dropped in reactor, be warming up to 140～150 DEG C, insulation reaction 4～5 hours, obtains phenylformic acid macrogol ester.Described polyoxyethylene glycol is preferably polyoxyethylene glycol (200); The amount of substance ratio of described phenylformic acid, polyoxyethylene glycol, tosic acid is preferably 1:(1.1～1.2): 0.02.
It is 37～38% formaldehyde solution that described formaldehyde solution is preferably mass percent.
It is 20～40% NaOH solution that described sodium hydroxide solution is preferably mass percent.
The amount of substance ratio of described naphthalene, sulfuric acid, phenylformic acid macrogol ester, formaldehyde is preferably 1:(1.2～1.9): (0.11～0.3): (1.0～2.0).
The solid effective content of described ACRYLIC EMULSION is preferably 40～60wt%.
Described treated starch is preferably at least one in carboxymethyl starch, hydroxypropylated starch and hydroxyethylamyle.
Described defoamer is preferably water-based defoamer.
The preparation method of above-mentioned water-based water reducing type mortar tackifier, is that the modified naphthalene series water-reducing agent of described mass percent, ACRYLIC EMULSION, treated starch, defoamer and water are mixed, and stirs, and makes water-based water reducing type mortar tackifier.
The application of above-mentioned water-based water reducing type mortar tackifier in preparation mortar.When use, above-mentioned water-based water reducing type mortar tackifier are added in wet mixing mortar and are stirred, its consumption be in mortar gelling material quality 2～6%; Described gelling material refers to one or more in cement, flyash, breeze or stone flour.
The deficiency and the defect that exist in order to overcome prior art, the present invention is from hydrophilic, the oleophylic amophoteric surface active mechanism of action, by adding modified naphthalene series water-reducing agent, one end of modified naphthalene series water-reducing agent agent molecule is annular rigid group, can refinforced cement particle and the interface molecule such as body of wall, ceramic tile between intermolecular adsorptive power, thereby the bonding at refinforced cement and interface, the other end of modified naphthalene series water-reducing agent molecule is for containing carboxyl (COO
-), ehter bond (O-) and sulfonic group (SO
3 -) etc. hydrophilic radical, cement particle surface is had to good dissemination, the water consumption while reducing mortar mix, improves the workability of sand-cement slurry.In addition, select ACRYLIC EMULSION, sticking and the interior effect such as poly-of refinforced cement and interface, improves the intensity after mortar solidifies.By the coordinative role of each composition, improve the workability of mortar, the over-all propertieies such as viscosity, cured strength.
The present invention has following advantage and effect with respect to prior art:
(1) the present invention is from hydrophilic, oleophylic amophoteric surface active, by adding modified naphthalene series water-reducing agent and ACRYLIC EMULSION, by the coordinative role of each chemical substance, reduce mortar mix hourly water consumption, improve the viscosity of mortar, initial adhesion power and the later stage solidification intensity at the interfaces such as reinforced mortar and body of wall, ceramic tile, reduce because the unfavorable factors such as environment make coming off of mortar bonding boundary material, extends the working life of building.
(2) the multi-use architecture mortar tackifier that mortar tackifier of the present invention are a kind of water-based, easy to use, be beneficial to the large-scale production of mortar manufacturer, and improved the quality of mortar, reduce input of labor.In tackifier of the present invention, use modified naphthalene series water-reducing agent, improve water-reducing effect on the one hand, improve on the other hand the consistency of system simultaneously.
Embodiment
Below in conjunction with embodiment, the present invention is described in further detail, but embodiments of the present invention are not limited to this.
Embodiment 1
(1) 26.9g NAPTHALENE FLAKES. (INDUSTRIAL GRADE） (95wt%) is dropped in reactor and is warming up to 130 DEG C of fusings, after naphthalene fusing, be warming up to 150 DEG C, drip the vitriol oil that 24g mass percent is 98%, time for adding is 0.5 hour, dropwise rear insulation reaction 3 hours, be cooled to 90 DEG C, add the formaldehyde solution that 9.12g phenylformic acid macrogol ester and 16.2g mass percent are 37%, insulation reaction 1.5 hours, be cooled to 40 DEG C, the NaOH solution that is 30% by mass percent is adjusted pH to 7, obtains modified naphthalene series water-reducing agent.
(2) modified naphthalene series water-reducing agent of 10g step (1), 36g ACRYLIC EMULSION (solid effective content is 60wt%), 0.2g carboxymethyl starch, 0.5g water-based defoamer are mixed with 53.3g water, stir, make water-based water reducing type mortar tackifier.
Embodiment 2
(1) 26.9g NAPTHALENE FLAKES. (INDUSTRIAL GRADE） (95wt%) is dropped in reactor and is warming up to 130 DEG C of fusings, after naphthalene fusing, be warming up to 150 DEG C, drip the vitriol oil that 36g mass percent is 98%, time for adding is 0.5 hour, dropwise rear insulation reaction 2.5 hours, be cooled to 100 DEG C, add the formaldehyde solution that 18.2g phenylformic acid macrogol ester and 21.6g mass percent are 37%, insulation reaction 1.0 hours, be cooled to 50 DEG C, the NaOH solution that is 20% by mass percent is adjusted pH to 7.5, obtains modified naphthalene series water-reducing agent.
(2) modified naphthalene series water-reducing agent of 13g step (1), 50g ACRYLIC EMULSION (solid effective content is 40wt%), 0.3g hydroxyethylamyle, 1.0g water-based defoamer are mixed with 35.7g water, stir, make water-based water reducing type mortar tackifier.
Embodiment 3
(1) 26.9g NAPTHALENE FLAKES. (INDUSTRIAL GRADE） (95wt%) is dropped in reactor and is warming up to 140 DEG C of fusings, after naphthalene fusing, be warming up to 150 DEG C, drip the vitriol oil that 35g mass percent is 98%, time for adding is 0.8 hour, dropwise rear insulation reaction 2.0 hours, be cooled to 95 DEG C, add the formaldehyde solution that 10g phenylformic acid macrogol ester and 16g mass percent are 37%, insulation reaction 1.5 hours, be cooled to 45 DEG C, the NaOH solution that is 40% by mass percent is adjusted pH to 8, obtains modified naphthalene series water-reducing agent.
(2) modified naphthalene series water-reducing agent of 16g step (1), 30g ACRYLIC EMULSION (solid effective content is 50wt%), 0.1g hydroxypropylated starch, 1.5g water-based defoamer are mixed with 52.4g water, stir, make water-based water reducing type mortar tackifier.
Embodiment 4
(1) 26.9g NAPTHALENE FLAKES. (INDUSTRIAL GRADE） (95wt%) is dropped in reactor and is warming up to 145 DEG C of fusings, after naphthalene fusing, be warming up to 150 DEG C, drip the vitriol oil that 20g mass percent is 98%, time for adding is 0.5 hour, dropwise rear insulation reaction 3 hours, be cooled to 90 DEG C, add the formaldehyde solution that 8 phenylformic acid macrogol esters and 20g mass percent are 37%, insulation reaction 2.0 hours, lower the temperature 50 DEG C, the NaOH solution that is 30% by mass percent is adjusted pH to 7, obtains modified naphthalene series water-reducing agent.
(2) modified naphthalene series water-reducing agent of 18g step (1), 45g ACRYLIC EMULSION (solid effective content is 45wt%), 1.0g hydroxypropylated starch, 5.0g water-based defoamer are mixed with 31g water, stir, make water-based water reducing type mortar tackifier.
Embodiment 5
(1) 26.9g NAPTHALENE FLAKES. (INDUSTRIAL GRADE） (95wt%) is dropped in reactor and is warming up to 130 DEG C of fusings, after naphthalene fusing, be warming up to 150 DEG C, drip the vitriol oil that 38g mass percent is 98%, time for adding is 1.0 hours, dropwise rear insulation reaction 2.0 hours, be cooled to 90 DEG C, add the formaldehyde solution that 6.8g phenylformic acid macrogol ester and 22g mass percent are 37%, insulation reaction 1.5 hours, be cooled to 40 DEG C, the NaOH solution that is 30% by mass percent is adjusted pH to 7, obtains modified naphthalene series water-reducing agent.
(2) modified naphthalene series water-reducing agent of 20g step (1), 32g ACRYLIC EMULSION (solid effective content is 42wt%), 0.5g carboxymethyl starch, 3.0g water-based defoamer are mixed with 44.5g water, stir, make water-based water reducing type mortar tackifier.
Embodiment 6 performance tests
Preparation-obtained embodiment 1～5 water-based water reducing type mortar tackifier are mixed with mortar.The formula of mortar is: the mass ratio of cement, flyash, sand and water is 260:140:1320:210.The volume of tackifier (the water-based water reducing type mortar tackifier that embodiment 1～5 obtains) and ordinary emulsion (Intelligence Technology (China) Co., Ltd. produces, model: WAS-100) is 3% of gelling material (cement, flyash) quality.Cement adopts PO42.5R cement, and flyash is II level flyash, and the fineness modulus of sand is 2.3.The performance of the mortar obtaining is as shown in table 1.
The performance test of the performance of table 1 mortar
Note: " blank mortar " group is not add any grout additive.
Table 1 for be mixed with embodiment 1～5 water-based water reducing type mortar tackifier mortar and be mixed with the mortar of ordinary emulsion and do not add the contrast experiment of the performances such as water-reducing rate, the tensile bond strength of the mortar of any grout additive, 28 days ultimate compression strength, mortar tack, draw corresponding data.By comparing, water-based water reducing type mortar tackifier prepared by known the present invention, have obvious advantage at aspects such as improving mortar tack, tensile strength, ultimate compression strength, workability.
Above-described embodiment is preferably embodiment of the present invention; but embodiments of the present invention are not restricted to the described embodiments; other any do not deviate from change, the modification done under spirit of the present invention and principle, substitutes, combination, simplify; all should be equivalent substitute mode, within being included in protection scope of the present invention.
Claims (10)
1. water-based water reducing type mortar tackifier, is characterized in that the raw materials of described water-based water reducing type mortar tackifier comprises following composition by mass percentage:
Described modified naphthalene series water-reducing agent is prepared by following methods: naphthalene is dropped in reactor and heats up and melt, be warming up to 130～150 DEG C, drip sulfuric acid, dropwise rear insulation reaction 2～3 hours, be cooled to 90～100 DEG C, add phenylformic acid macrogol ester and formaldehyde solution, insulation reaction 1～2 hour, be cooled to 40～50 DEG C, adjust pH to 7～8 with NaOH solution, obtain modified naphthalene series water-reducing agent;
The time for adding of described sulfuric acid is 0.5～1.0 hour;
Described phenylformic acid macrogol ester is prepared by following methods: polyoxyethylene glycol, phenylformic acid, tosic acid are dropped in reactor, be warming up to 140～150 DEG C, insulation reaction 4～5 hours, is cooled to room temperature, obtains phenylformic acid macrogol ester;
The amount of substance of described phenylformic acid, polyoxyethylene glycol, tosic acid is than being 1:1.1～1.2:0.02;
The amount of substance of described naphthalene, sulfuric acid, phenylformic acid macrogol ester, formaldehyde is than being 1:1.2～1.9:0.11～0.3:1.0～2.0.
2. water-based water reducing type mortar tackifier according to claim 1, is characterized in that the raw materials of described water-based water reducing type mortar tackifier comprises following composition by mass percentage:
3. water-based water reducing type mortar tackifier according to claim 1, is characterized in that:
Described naphthalene is NAPTHALENE FLAKES. (INDUSTRIAL GRADE）;
Described sulfuric acid is that mass percent is 98% the vitriol oil;
Described formaldehyde solution is that mass percent is 37～38% formaldehyde solution;
Described sodium hydroxide solution is that mass percent is 20～40% NaOH solution.
4. water-based water reducing type mortar tackifier according to claim 1, is characterized in that: the solid effective content of described ACRYLIC EMULSION is 40～60wt%.
5. water-based water reducing type mortar tackifier according to claim 1, is characterized in that: described treated starch is at least one in carboxymethyl starch, hydroxypropylated starch and hydroxyethylamyle.
6. water-based water reducing type mortar tackifier according to claim 1, is characterized in that: described defoamer is water-based defoamer.
7. the preparation method of the water-based water reducing type mortar tackifier described in claim 1～6 any one, it is characterized in that comprising the steps: the modified naphthalene series water-reducing agent of described mass percent, ACRYLIC EMULSION, treated starch, defoamer and water are mixed, stir, make water-based water reducing type mortar tackifier.
8. the application of the water-based water reducing type mortar tackifier described in claim 1～6 any one in preparation mortar.
9. the application of water-based water reducing type mortar tackifier according to claim 8 in preparation mortar, is characterized in that: when use, the water-based water reducing type mortar tackifier described in claim 1～6 are added in wet mixing mortar and stirred; The consumption of water-based water reducing type mortar tackifier be in mortar gelling material quality 2～6%.
10. the application of water-based water reducing type mortar tackifier according to claim 9 in preparation mortar, is characterized in that: described gelling material refers to one or more in cement, flyash or breeze.
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| CN103613315A (en) * | 2013-11-08 | 2014-03-05 | 安徽省阜南绿原化工有限公司 | Composite concrete water reducing agent |
| CN104193216A (en) * | 2014-06-24 | 2014-12-10 | 济南大学 | Glucose high-polymer marine concrete anti-dispersion agent and preparation method thereof |
| CN105778111A (en) * | 2016-03-08 | 2016-07-20 | 苏州珍展科技材料有限公司 | Preparation method and application of novel laminar composite |
| CN106045370A (en) * | 2016-05-31 | 2016-10-26 | 武汉比邻科技发展有限公司 | Viscosity reinforcing agent having water reducing function and specially used for cement mixture |
| CN109879628A (en) * | 2019-02-25 | 2019-06-14 | 谢新昇 | A kind of water-resistant type building mortar plasticizer and preparation method thereof |
| CN111960712A (en) * | 2020-08-26 | 2020-11-20 | 安徽鑫固环保股份有限公司 | Method for synthesizing water reducing agent by using sulfur trioxide waste gas |
| CN115321922B (en) * | 2022-09-13 | 2023-04-07 | 四川聚力建材科技有限公司 | Green environment-friendly decorative mortar and preparation method thereof |
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