CN105985056A - Nano crystal whisker water retention thickener for dry mixed mortar and preparation method of thickener - Google Patents
Nano crystal whisker water retention thickener for dry mixed mortar and preparation method of thickener Download PDFInfo
- Publication number
- CN105985056A CN105985056A CN201610032036.7A CN201610032036A CN105985056A CN 105985056 A CN105985056 A CN 105985056A CN 201610032036 A CN201610032036 A CN 201610032036A CN 105985056 A CN105985056 A CN 105985056A
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- China
- Prior art keywords
- parts
- thickener
- ball milling
- water
- water retention
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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
- C04B2103/00—Function or property of ingredients for mortars, concrete or artificial stone
- C04B2103/44—Thickening, gelling or viscosity increasing agents
-
- 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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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The invention discloses a nano crystal whisker water retention thickener for dry mixed mortar and a preparation method of the thickener. The thickener is prepared from, by weight, 20-30 parts of kaolin, 10-15 nacrite, 16-24 parts of chlorite, 14-22 parts of blast furnace slag, 10-15 parts of halloysite, 13-21 parts of illite, 17-23 parts of cement slag, 15-20 parts of tuff, 9-16 parts of magnesium lithium silicate, 6-12 parts of potassium metaborate, 10-15 parts of heavy calcium carbonate powder, 5-10 parts of tricalcium phosphate, 12-16 parts of modifier A and 14-18 parts of modifier B. The nano crystal whisker water retention thickener prepared by the method enables thickening effect and water retention effect to be highly compatible, can remarkably improve workability, water retention performance and various performances of mortar when being doped in the dry mixed mortar, is low in cost and has wide application prospect.
Description
Technical field
The present invention relates to a kind of thickener and preparation method thereof, be specifically related to a kind of dry-mixed mortar nano whisker water conservation and increase
Thick dose and preparation method thereof.
Background technology
Thickener is the important component in mortar, mortar produce when use add thickener method improve its quality and
Workability.Existing market is of a great variety for the thickener of mortar, but mostly there is the shortcoming of poor water retention property, causes mortar pair
The affinity difference of water, thus greatly reduce the cohesive force of mortar so that the mortar internal structure after hardening is loosened.Therefore improve
The water retention property of thickener is most important to guarantee mortar quality.
Content of the invention
Present invention aims to the deficiencies in the prior art, provide the excellent dry-mixed mortar of a kind of water retention property with receiving
Meter Jing Xu water-retaining admixture and preparation method thereof.
For realizing your purpose above-mentioned, the present invention adopts the following technical scheme that:
A kind of dry-mixed mortar nano whisker water-retaining admixture, is made up of the raw material of following weight portion: kaolin 20-30,
Nacrite 10-15, chlorite 16-24, blast-furnace cinder 14-22, galapectite 10-15, illite 13-21, cement slurry 17-23,
Tufa stone 15-20, lithium magnesium silicate 9-16, potassium metaborate 6-12, dry powder 10-15, tricalcium phosphate 5-10, modifier A 12-16,
Modifying agent B 14-18；
Described modifier A is mixed by the raw material of following weight portion: calcium oxalate 6-12, copper sulphate 4-9, vulcanized sodium 3-6,
Diethylene glycol (DEG) 5-10, hydroxyethyl carboxymethyl cellulose 7-11, enuatrol 4-8, calcium lignosulfonate 3-5, coco-nut oil fatty acid diethyl
Alkylolamides 2-4, ethoxylated fatty-acid methyl ester 5-7；
Described modifying agent B is mixed by the raw material of following weight portion: Sodium Polyacrylate 10-15, lauryl glucoside
Glycosides 3-5, hydroxypropyl xanthans 8-14, alginic acid triethanolamine salt 5-10, Cocoamidopropyl betaine 2-3, sodium alginate 4-
6th, D-sorbite 2-4；
The preparation method of a kind of dry-mixed mortar nano whisker water-retaining admixture, comprises the following steps:
(1) by kaolin, nacrite, chlorite, blast-furnace cinder, galapectite, illite, cement slurry, tufa stone mixing
Uniformly, pulverizing, crossing 200-300 mesh sieve, the powder after then sieving adds water to stir and makes the slurry that mass concentration is 50-55%
Liquid, heating water bath, to 75-85 DEG C, adds 15wt% dilute sulfuric acid regulation slurries PH to 4-6,2000-2500rpm high speed ball milling
Add modifier A after 10-20min, after 1500-2000rpm high speed ball milling 15-25min, add 20wt% sodium hydroxide solution
Regulation suspension PH, to neutrality, 2000-3000rpm high speed ball milling 10-15min, filters, and filter residue distilled water washs 2-3 time, dries
Dry；
(2) lithium magnesium silicate, potassium metaborate, dry powder, tricalcium phosphate are mixed, pulverize, cross after 150-250 mesh sieve with
The material that step (1) prepares mixes, 2500-3000rpm high speed ball milling 15-20min, then fills compound good for ball milling
Enter in corundum beaker and seal, move to high-temperature electric resistance furnace is carried out calcination processing: first with the ramp of 10-15 DEG C/min extremely
920-980 DEG C, be incubated 2-3h, then the speed with 4-8 DEG C/min be cooled to 700-750 DEG C, be incubated 0.5-1h, then with 3-6 DEG C/
The ramp of min, to 960-1020 DEG C, is incubated 2-3h, then with the ramp of 2-5 DEG C/min to 1200-1250 DEG C, insulation
3-4h, finally naturally cools to normal temperature with stove；
(3) whisker that step (2) prepares is soaked 2-3h with 10wt% hydrofluoric acid solution, filter, then wash with distilled water
To without HF residual, so repeat 3-4 time；
(4) whisker after processing step (3) adds water to stir and makes the slurries that mass concentration is 45-55%, adds and changes
Property agent B, puts in supersonic cleaning machine, and with magnetic stirrer, while stirring ultrasonic disperse 20-40min, places into ball milling
In machine, 200-400rpm low speed ball milling dispersion 15-25min, is then spray dried to powder, finely ground to nanoscale, sieves and i.e. obtains into
Product.
Beneficial effects of the present invention:
(1) step of the present invention (1) utilizes modifier A to process raw mineral materials so that it is activation, thus has excellent thickening
Property, additionally step (4) utilizes modifying agent B to be modified processing, and can significantly improve the dispersiveness of nano whisker thickener, improves
The compatibility of each component in nano whisker thickener and mortar.
(2) the nano whisker water-retaining admixture that the present invention prepares can by thickening and water retention compatible with together with,
Mix in dry-mixed mortar, workability and the water-retaining property of mortar can not only be significantly improved, and every property of mortar can be significantly improved
Can, and with low cost, there is vast potential for future development.
Detailed description of the invention
A kind of dry-mixed mortar nano whisker water-retaining admixture, is made up of the raw material of following weight (kg): kaolin is the 25th, precious
Pearl potter's clay the 12nd, chlorite the 20th, blast-furnace cinder the 18th, galapectite the 12nd, illite the 16th, cement slurry the 19th, tufa stone the 17th, lithium magnesium silicate is the 12nd,
Potassium metaborate the 8th, dry powder the 12nd, tricalcium phosphate the 7th, modifier A the 14th, modifying agent B 16；
Described modifier A is mixed by the raw material of following weight (kg): calcium oxalate the 10th, copper sulphate the 7th, vulcanized sodium is the 5th, two sweet
Alcohol the 8th, hydroxyethyl carboxymethyl cellulose the 9th, enuatrol the 6th, calcium lignosulfonate the 4.5th, cocoanut fatty acid diethanolamide the 3rd, ethoxy
Base fatty acid methyl ester 6；
Described modifying agent B is mixed by the raw material of following weight (kg): Sodium Polyacrylate the 11st, lauryl glucosyl
3.5th, hydroxypropyl xanthans the 10th, alginic acid triethanolamine salt the 7th, Cocoamidopropyl betaine the 2.5th, sodium alginate the 4.5th, sorbose
Alcohol 3；
The preparation method of a kind of dry-mixed mortar nano whisker water-retaining admixture, comprises the following steps:
(1) by kaolin, nacrite, chlorite, blast-furnace cinder, galapectite, illite, cement slurry, tufa stone mixing
Uniformly, pulverizing, crossing 250 mesh sieves, the powder after then sieving adds water to stir and makes the slurries that mass concentration is 52%, and water-bath adds
Heat, to 80 DEG C, adds 15wt% dilute sulfuric acid regulation slurries PH to 5, adds modifier A after 2200rpm high speed ball milling 15min,
20wt% sodium hydroxide solution regulation suspension PH is added to neutrality, 2500rpm high speed after 1800rpm high speed ball milling 20min
Ball milling 12min, filters, and filter residue distilled water washs 2 times, dries；
(2) lithium magnesium silicate, potassium metaborate, dry powder, tricalcium phosphate are mixed, pulverize, with step after 200 mesh sieves excessively
(1) material preparing mixes, 2700rpm high speed ball milling 16min, then loads compound good for ball milling in corundum beaker
Seal, move to high-temperature electric resistance furnace is carried out calcination processing: first with the ramp of 12 DEG C/min to 960 DEG C, be incubated 2.5h, then
It is cooled to 720 DEG C with the speed of 6 DEG C/min, is incubated 0.5h, then with the ramp of 4 DEG C/min to 980 DEG C, be incubated 2h, then
It with the ramp of 3 DEG C/min to 1230 DEG C, is incubated 3.5h, finally naturally cools to normal temperature with stove；
(3) whisker that step (2) prepares is soaked 2.5h with 10wt% hydrofluoric acid solution, filter, then wash with distilled water
It to without HF residual, is so repeated 3 times；
(4) whisker after processing step (3) adds water to stir and makes the slurries that mass concentration is 50%, adds modifying agent
B, puts in supersonic cleaning machine, and with magnetic stirrer, while stirring ultrasonic disperse 30min, places in ball mill
300rpm low speed ball milling disperses 20min, is then spray dried to powder, finely ground to nanoscale, sieves and gets product
It is applied to the nano whisker water-retaining admixture that above-described embodiment prepares in dry-mixed mortar, the service check of this mortar
The results are shown in Table 1.
Table 1 dry-mixed mortar the performance test results
Claims (2)
1. a dry-mixed mortar nano whisker water-retaining admixture, it is characterised in that be made up of the raw material of following weight portion: high
Ridge soil 20-30, nacrite 10-15, chlorite 16-24, blast-furnace cinder 14-22, galapectite 10-15, illite 13-21,
Cement slurry 17-23, tufa stone 15-20, lithium magnesium silicate 9-16, potassium metaborate 6-12, dry powder 10-15, tricalcium phosphate 5-10,
Modifier A 12-16, modifying agent B 14-18；
Described modifier A is mixed by the raw material of following weight portion: calcium oxalate 6-12, copper sulphate 4-9, vulcanized sodium 3-6, two sweet
Alcohol 5-10, hydroxyethyl carboxymethyl cellulose 7-11, enuatrol 4-8, calcium lignosulfonate 3-5, coco-nut oil fatty acid diethanol acyl
Amine 2-4, ethoxylated fatty-acid methyl ester 5-7；
Described modifying agent B is mixed by the raw material of following weight portion: Sodium Polyacrylate 10-15, lauryl glucosyl 3-
5th, hydroxypropyl xanthans 8-14, alginic acid triethanolamine salt 5-10, Cocoamidopropyl betaine 2-3, sodium alginate 4-6, mountain
Pears sugar alcohol 2-4.
2. the preparation method of a dry-mixed mortar nano whisker water-retaining admixture as claimed in claim 1, it is characterised in that
Comprise the following steps:
(1) by kaolin, nacrite, chlorite, blast-furnace cinder, galapectite, illite, cement slurry, tufa stone mixing all
Even, to pulverize, cross 200-300 mesh sieve, the powder after then sieving adds water to stir and makes the slurries that mass concentration is 50-55%, water
Bath is heated to 75-85 DEG C, adds 15wt% dilute sulfuric acid regulation slurries PH to 4-6,2000-2500rpm high speed ball milling 10-20min
Rear addition modifier A, adds 20wt% sodium hydroxide solution regulation suspension after 1500-2000rpm high speed ball milling 15-25min
PH, to neutrality, 2000-3000rpm high speed ball milling 10-15min, filters, and filter residue distilled water washs 2-3 time, dries；
(2) lithium magnesium silicate, potassium metaborate, dry powder, tricalcium phosphate are mixed, pulverize, with step after mistake 150-250 mesh sieve
(1) material preparing mixes, 2500-3000rpm high speed ball milling 15-20min, then loads just compound good for ball milling
Beautiful beaker seals, moves to high-temperature electric resistance furnace is carried out calcination processing: first with the ramp of 10-15 DEG C/min to 920-
It 980 DEG C, is incubated 2-3h, then the speed with 4-8 DEG C/min is cooled to 700-750 DEG C, be incubated 0.5-1h, then with 3-6 DEG C/min
Ramp to 960-1020 DEG C, be incubated 2-3h, then with the ramp of 2-5 DEG C/min to 1200-1250 DEG C, be incubated 3-
4h, finally naturally cools to normal temperature with stove；
(3) whisker that step (2) prepares is soaked 2-3h with 10wt% hydrofluoric acid solution, filter, then be washed with distilled water to without HF
Residual, so repeats 3-4 time；
(4) whisker after processing step (3) adds water to stir and makes the slurries that mass concentration is 45-55%, adds modifying agent B,
Put in supersonic cleaning machine, and with magnetic stirrer, while stirring ultrasonic disperse 20-40min, place in ball mill
200-400rpm low speed ball milling disperses 15-25min, is then spray dried to powder, finely ground to nanoscale, sieves and gets product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610032036.7A CN105985056A (en) | 2016-01-18 | 2016-01-18 | Nano crystal whisker water retention thickener for dry mixed mortar and preparation method of thickener |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610032036.7A CN105985056A (en) | 2016-01-18 | 2016-01-18 | Nano crystal whisker water retention thickener for dry mixed mortar and preparation method of thickener |
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| CN105985056A true CN105985056A (en) | 2016-10-05 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116040980A (en) * | 2023-04-03 | 2023-05-02 | 石家庄市长安育才建材有限公司 | Wet-mixed mortar additive, preparation method thereof and wet-mixed mortar |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102731010A (en) * | 2012-07-25 | 2012-10-17 | 广东省建筑材料研究院 | Reinforced premix mortar moisture-retention thickening agent and preparation method thereof |
| CN103834988A (en) * | 2014-03-24 | 2014-06-04 | 中国科学院山西煤炭化学研究所 | Preparation method of nano silicon carbide whisker |
| CN104860714A (en) * | 2015-03-30 | 2015-08-26 | 盐城申兴实业有限公司 | Single-component lightweight sound-insulating heat-preserving mortar material and construction method thereof |
-
2016
- 2016-01-18 CN CN201610032036.7A patent/CN105985056A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102731010A (en) * | 2012-07-25 | 2012-10-17 | 广东省建筑材料研究院 | Reinforced premix mortar moisture-retention thickening agent and preparation method thereof |
| CN103834988A (en) * | 2014-03-24 | 2014-06-04 | 中国科学院山西煤炭化学研究所 | Preparation method of nano silicon carbide whisker |
| CN104860714A (en) * | 2015-03-30 | 2015-08-26 | 盐城申兴实业有限公司 | Single-component lightweight sound-insulating heat-preserving mortar material and construction method thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116040980A (en) * | 2023-04-03 | 2023-05-02 | 石家庄市长安育才建材有限公司 | Wet-mixed mortar additive, preparation method thereof and wet-mixed mortar |
| CN116040980B (en) * | 2023-04-03 | 2023-08-08 | 石家庄市长安育才建材有限公司 | Wet-mixed mortar additive, preparation method thereof and wet-mixed mortar |
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Application publication date: 20161005 |
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