CN107602048A - A kind of preparation method of polymer composite water-proof mortar - Google Patents
A kind of preparation method of polymer composite water-proof mortar Download PDFInfo
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- CN107602048A CN107602048A CN201710765768.1A CN201710765768A CN107602048A CN 107602048 A CN107602048 A CN 107602048A CN 201710765768 A CN201710765768 A CN 201710765768A CN 107602048 A CN107602048 A CN 107602048A
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Abstract
The present invention relates to building mortar preparing technical field, and in particular to a kind of preparation method of polymer composite water-proof mortar.The present invention improves the mechanical property of mortar using natural river sand and glass fibre as filler first, fragrant citrus pericarp juice and Rosa Damascana are decomposed in the presence of microorganism and produce a large amount of lipophile ester groups and aryl, lipophilic group is introduced by mixed-powder surface by microorganism, so as to improve the compatibility of inorganic mixed-powder and polymer, improve the anti-permeability strength of mortar, the present invention takes full advantage of splendid water-resistance that Ludox and organosiloxane have in itself to improve the water proofing property of mortar, contain abundant silicone hydroxyl in other polymer matrix, these silicone hydroxyls and the silicone hydroxyl on modified mixed-powder surface react under thermodynamic activity, form the great Si O Si keys of bond energy, so as to improve the adhesion strength inside mortar, further increase the mechanical performance of waterproof mortar, have broad application prospects.
Description
Technical field
The present invention relates to building mortar preparing technical field, and in particular to a kind of preparation side of polymer composite water-proof mortar
Method.
Background technology
The leakage problems of architectural engineering are a problems of long-standing problem building trade, and waterproof technique and waterproof material are ground
Study carefully the important topic that always scientific research personnel puts forth effort to research and solve.Polymer-modified cement waterproof mortar is in traditional rigid water
On the basis of cement mortar, by adding component of polymer, utilization is inorganic, reasonable compound, the adjustment hydration and hardening body of organic material
Internal structure, reach the purpose for improving material mechanical performance, waterproof and adhesive property.Common modification polymer has poly-vinegar
Sour ethylene-vinyl esters（EVA）, polyacrylate（PAE）, styrene acrylic（SAE）Deng.Wherein, traditional styrene-acrylic emulsion can change
The performances such as being bonded of kind mortar, anti-folding, it is cheap, pollution is small；However, traditional styrene-acrylic emulsion using Small molecular surfactant as
Emulsifying agent, there is stronger deferred action to cement, influence the intensity and anti-permeability performance of induration, limit its application.
Compared due to the mechanical performance of polymer composite water-proof mortar with traditional cement mortar and want poor, so needing by adding
Add inorganic filler to improve the mechanical property of polymer mortar, but the poor compatibility between inorganic filler and polymer, cause
Inside mortar and surface can produce a large amount of fine cracks, moisture by when drop in resistance, easily infiltration, causes anti-permeability strength to drop
It is low, it is impossible to meet building demand.
Therefore, a kind of new polymers composite water-proof mortar with preferable mechanical strength and anti-permeability strength is invented to building
Building mortar preparing technical field has positive meaning.
The content of the invention
Present invention mainly solves technical problem, mechanical performance and traditional water for current polymer composite water-proof mortar
Cement mortar is compared to poor, so needs by adding inorganic filler improve the mechanical property of polymer mortar, but inorganic fills out
Expect the poor compatibility between polymer, cause inside mortar and surface can produce a large amount of fine cracks, moisture by when resistance
Decline, easily infiltration, a kind of the defects of causing anti-permeability strength to reduce, there is provided preparation method of polymer composite water-proof mortar.
In order to solve the above-mentioned technical problem, the technical solution adopted in the present invention is：
A kind of preparation method of polymer composite water-proof mortar, it is characterised in that specifically preparation process is：
（1）Natural river sand and glass fibre are weighed, is sequentially loaded into ball grinder, discharges, is mixed after 30~40min of ball-milling treatment
Close powder；
（2）Take fragrant citrus pericarp squeezing to handle, collect the fragrant citrus pericarp juice of the outflow after squeezing, fragrant citrus pericarp juice and Rosa Damascana are mixed
Conjunction obtains mixed liquor, then mixed liquor and above-mentioned mixed-powder are sequentially loaded into as fermentation substrate in fermentation tank, then to fermentation tank
Middle addition biogas slurry, it is sealed by fermentation；
（3）After above-mentioned fermentation ends, tunning filtering is taken out, is separated except ferment filtrate, the filter residue that ferments is obtained, uses respectively
Absolute ethyl alcohol and deionized water rinse fermentation 15~20min of filter residue successively, then the fermentation filter residue after flushing is dried, you can obtain
Modified mixed-powder；
（4）Measure sodium silicate solution to be fitted into beaker, and the pH to 5.5~6.0 of sodium silicate solution is adjusted with hydrochloric acid, regulation is completed
After be stirred, then by beaker move into oil bath pan in, heat temperature raising, continue stirring reaction obtain Ludox；
（5）Containing hydrogen silicone oil, MTES and above-mentioned Ludox are well mixed and obtain strengthening adhesive, takes phenylpropyl alcohol newborn
Liquid and enhancing adhesive are well mixed and obtain mixed polymerization matrix；
（6）Count in parts by weight, weigh 100~120 parts of Portland cements, 250~300 parts of modified mixed-powders, 10~
20 parts of mixed polymerization matrixes, 150~200 parts of water, 2~5 parts of tributyl phosphates and 5~8 parts of lignin, are sequentially loaded into batch mixer
In, discharged after being stirred reaction, you can obtain polymer composite water-proof mortar.
Step（1）Described in natural river sand and glass fibre mass ratio be 1:2.
Step（2）Described in fragrant citrus pericarp juice and Rosa Damascana volume ratio be 5:1, the matter of mixed liquor and mixed-powder
Amount is than being 2:1, the addition of biogas slurry is the 1% of fermentation substrate quality, and the temperature of sealing and fermenting is 45~55 DEG C, sealing and fermenting
Time is 10~12 days.
Step（4）Described in sodium silicate solution mass fraction be 20%, it be 15~20min to be stirred the time, heat
The temperature of heating is 100~120 DEG C, and the time for continuing stirring reaction is 30~40min.
Step（5）Described in containing hydrogen silicone oil, the mass ratio of MTES and Ludox be 1:1:10, phenylpropyl alcohol
The solid content of emulsion is 45%, and viscosity is 200mPa s, and styrene-acrylic emulsion and the mass ratio for strengthening adhesive are 1:1.
Step（6）Described in the temperature for being stirred reaction be 80~90 DEG C, be stirred time of reaction for 3~
5min。
The beneficial effects of the invention are as follows：
（1）Natural river sand and glass fibre mixed grinding are obtained mixed-powder by the present invention first, are improved by the use of it as filler
The mechanical property of mortar, then fragrant citrus pericarp juice of the squeezing extraction rich in orange oil and arene material from fragrant citrus pericarp, by orange
Sub- skin juice and Rosa Damascana mixing, and mixed-powder is modified using it, first by fragrant citrus pericarp juice in the presence of microorganism
Decomposed with Rosa Damascana and produce a large amount of lipophile ester groups and aryl, drawn lipophilic group by the self-crosslinking of microorganism
Enter mixed-powder surface, so as to improve the compatibility of inorganic mixed-powder and polymer, avoid to produce with surface inside mortar
Raw a large amount of fine cracks cause the phenomenon of infiltration, improve the anti-permeability strength of mortar, are modified what mixed-powder surface introduced in addition
Lipophilic group can improve the water-resistance of mortar, its anti-permeability performance is further improved；
（2）Itself and styrene-acrylic emulsion are blended as polymerization by the way that Ludox and organosiloxane and silicone oil are mixed by the present invention
Matrix, splendid water-resistance that Ludox and organosiloxane have in itself is taken full advantage of to improve the water proofing property of mortar, is had
The addition of organic siloxane can also shorten the hardening of cement time, improve the mechanical strength of mortar, in addition containing rich in polymer matrix
Dehydrating condensation can occur under heating power stirring action for the silicone hydroxyl on rich silicone hydroxyl, these silicone hydroxyls and modified mixed-powder surface
Reaction, the great Si-O-Si keys of bond energy are formed, so as to improve the adhesion strength inside mortar, form firm cross-linked network
Structure, the mechanical performance of waterproof mortar is further increased, anti-permeability strength also gets a promotion simultaneously, before having wide application
Scape.
Embodiment
It is 1 in mass ratio:2 weigh natural river sand and glass fibre, are sequentially loaded into ball grinder, are by ball material mass ratio
20:1 adds zirconium oxide ball milling pearl into ball grinder, is discharged after 30~40min of ball-milling treatment, obtains mixed-powder；Take fragrant citrus pericarp
It is put into squeezer and carries out squeezing processing, collects the fragrant citrus pericarp juice of the outflow after squeezing, be by volume 5:1 by fragrant citrus pericarp juice
Liquid and Rosa Damascana are mixed to get mixed liquor, then by mixed liquor and above-mentioned mixed-powder are 2 in mass ratio:1 is sequentially loaded into fermentation
Fermentation substrate is used as in tank, then the biogas slurry of fermentation substrate quality 1% is added into fermentation tank, after sealing tank mouth at 45~55 DEG C
It is sealed by fermentation 10~12 days；After above-mentioned fermentation ends, tunning filtering is taken out, separates except ferment filtrate, is fermented
Filter residue, rinse fermentation 15~20min of filter residue successively with absolute ethyl alcohol and deionized water respectively, then the fermentation filter residue after flushing is dried
It is dry, you can to obtain being modified mixed-powder；Measure the sodium silicate solution that mass fraction is 20% to be fitted into beaker, and be with concentration
The pH to 5.5~6.0 of 1mol/L hydrochloric acid regulation sodium silicate solution, with magnetic stirring apparatus with 200~300r/ after the completion of regulation
Min rotating speed is stirred 15~20min, then beaker is moved into oil bath pan, is heated to 100~120 DEG C, continues to stir
30~40min of reaction obtains Ludox；It is 1 in mass ratio:1:10 is molten by containing hydrogen silicone oil, MTES and above-mentioned silicon
Glue is well mixed to be obtained strengthening adhesive, and it is 45% to take solid content, the styrene-acrylic emulsion and enhancing adhesive that viscosity is 200mPas
It is 1 in mass ratio:1 well mixed obtains mixed polymerization matrix；Count in parts by weight, weigh 100~120 parts of normal silicate water
Mud, 250~300 parts of modified mixed-powders, 10~20 parts of mixed polymerization matrixes, 150~200 parts of water, 2~5 parts of tributyl phosphates
With 5~8 parts of lignin, it is sequentially loaded into batch mixer, is discharged after 3~5min of reaction is stirred at 80~90 DEG C, you can
To polymer composite water-proof mortar.
Example 1
It is 1 in mass ratio:2 weigh natural river sand and glass fibre, are sequentially loaded into ball grinder, are 20 by ball material mass ratio:1 to
Zirconium oxide ball milling pearl is added in ball grinder, is discharged after ball-milling treatment 30min, obtains mixed-powder；Fragrant citrus pericarp is taken to be put into squeezer
In carry out squeezing processing, collect the fragrant citrus pericarp juice of the outflow after squeezing, be by volume 5:1 by fragrant citrus pericarp juice and rhodamine toner
Oil is mixed to get mixed liquor, then by mixed liquor and above-mentioned mixed-powder is 2 in mass ratio:1 is sequentially loaded into fermentation tank as hair
Ferment substrate, then the biogas slurry of fermentation substrate quality 1% is added into fermentation tank, it is sealed by fermentation 10 days at 45 DEG C after sealing tank mouth；Treat
After above-mentioned fermentation ends, tunning filtering is taken out, is separated except ferment filtrate, the filter residue that ferments is obtained, uses absolute ethyl alcohol respectively
Rinse fermentation filter residue 15min successively with deionized water, then the fermentation filter residue after flushing is dried, you can obtain being modified mixed powder
End；Measure mass fraction be 20% sodium silicate solution is fitted into beaker, and with concentration be 1mol/L hydrochloric acid regulation sodium metasilicate it is molten
The pH of liquid to 5.5,15min is stirred with 200r/min rotating speed with magnetic stirring apparatus after the completion of regulation, then beaker is moved into
In oil bath pan, 100 DEG C are heated to, continues stirring reaction 30min and obtains Ludox；It is 1 in mass ratio:1:10 by Silicon Containing Hydrogen
Oil, MTES and above-mentioned Ludox are well mixed to be obtained strengthening adhesive, and it is 45% to take solid content, and viscosity is
200mPas styrene-acrylic emulsion and enhancing adhesive is 1 in mass ratio:1 well mixed obtains mixed polymerization matrix；By weight
Number meter, weighs 100 parts of Portland cements, 250 parts of modified mixed-powders, 10 parts of mixed polymerization matrixes, 150 parts of water, 2 parts of phosphorus
Sour tributyl and 5 parts of lignin, are sequentially loaded into batch mixer, are discharged after reaction 3min is stirred at 80 DEG C, you can obtain
Polymer composite water-proof mortar.
Example 2
It is 1 in mass ratio:2 weigh natural river sand and glass fibre, are sequentially loaded into ball grinder, are 20 by ball material mass ratio:1 to
Zirconium oxide ball milling pearl is added in ball grinder, is discharged after ball-milling treatment 35min, obtains mixed-powder；Fragrant citrus pericarp is taken to be put into squeezer
In carry out squeezing processing, collect the fragrant citrus pericarp juice of the outflow after squeezing, be by volume 5:1 by fragrant citrus pericarp juice and rhodamine toner
Oil is mixed to get mixed liquor, then by mixed liquor and above-mentioned mixed-powder is 2 in mass ratio:1 is sequentially loaded into fermentation tank as hair
Ferment substrate, then the biogas slurry of fermentation substrate quality 1% is added into fermentation tank, it is sealed by fermentation 11 days at 50 DEG C after sealing tank mouth；Treat
After above-mentioned fermentation ends, tunning filtering is taken out, is separated except ferment filtrate, the filter residue that ferments is obtained, uses absolute ethyl alcohol respectively
Rinse fermentation filter residue 18min successively with deionized water, then the fermentation filter residue after flushing is dried, you can obtain being modified mixed powder
End；Measure mass fraction be 20% sodium silicate solution is fitted into beaker, and with concentration be 1mol/L hydrochloric acid regulation sodium metasilicate it is molten
The pH of liquid to 5.8,18min is stirred with 250r/min rotating speed with magnetic stirring apparatus after the completion of regulation, then beaker is moved into
In oil bath pan, 110 DEG C are heated to, continues stirring reaction 35min and obtains Ludox；It is 1 in mass ratio:1:10 by Silicon Containing Hydrogen
Oil, MTES and above-mentioned Ludox are well mixed to be obtained strengthening adhesive, and it is 45% to take solid content, and viscosity is
200mPas styrene-acrylic emulsion and enhancing adhesive is 1 in mass ratio:1 well mixed obtains mixed polymerization matrix；By weight
Number meter, weighs 110 parts of Portland cements, 280 parts of modified mixed-powders, 15 parts of mixed polymerization matrixes, 180 parts of water, 4 parts of phosphorus
Sour tributyl and 7 parts of lignin, are sequentially loaded into batch mixer, are discharged after reaction 4min is stirred at 85 DEG C, you can obtain
Polymer composite water-proof mortar.
Example 3
It is 1 in mass ratio:2 weigh natural river sand and glass fibre, are sequentially loaded into ball grinder, are 20 by ball material mass ratio:1 to
Zirconium oxide ball milling pearl is added in ball grinder, is discharged after ball-milling treatment 40min, obtains mixed-powder；Fragrant citrus pericarp is taken to be put into squeezer
In carry out squeezing processing, collect the fragrant citrus pericarp juice of the outflow after squeezing, be by volume 5:1 by fragrant citrus pericarp juice and rhodamine toner
Oil is mixed to get mixed liquor, then by mixed liquor and above-mentioned mixed-powder is 2 in mass ratio:1 is sequentially loaded into fermentation tank as hair
Ferment substrate, then the biogas slurry of fermentation substrate quality 1% is added into fermentation tank, it is sealed by fermentation 12 days at 55 DEG C after sealing tank mouth；Treat
After above-mentioned fermentation ends, tunning filtering is taken out, is separated except ferment filtrate, the filter residue that ferments is obtained, uses absolute ethyl alcohol respectively
Rinse fermentation filter residue 20min successively with deionized water, then the fermentation filter residue after flushing is dried, you can obtain being modified mixed powder
End；Measure mass fraction be 20% sodium silicate solution is fitted into beaker, and with concentration be 1mol/L hydrochloric acid regulation sodium metasilicate it is molten
The pH of liquid to 6.0,20min is stirred with 300r/min rotating speed with magnetic stirring apparatus after the completion of regulation, then beaker is moved into
In oil bath pan, 120 DEG C are heated to, continues stirring reaction 40min and obtains Ludox；It is 1 in mass ratio:1:10 by Silicon Containing Hydrogen
Oil, MTES and above-mentioned Ludox are well mixed to be obtained strengthening adhesive, and it is 45% to take solid content, and viscosity is
200mPas styrene-acrylic emulsion and enhancing adhesive is 1 in mass ratio:1 well mixed obtains mixed polymerization matrix；By weight
Number meter, weighs 120 parts of Portland cements, 300 parts of modified mixed-powders, 20 parts of mixed polymerization matrixes, 200 parts of water, 5 parts of phosphorus
Sour tributyl and 8 parts of lignin, are sequentially loaded into batch mixer, are discharged after reaction 5min is stirred at 90 DEG C, you can obtain
Polymer composite water-proof mortar.
Reference examples
Reference examples are used as using the waterproof polymer mortar of Shenzhen's manufacturer production
It is 40mm × 40mm that mortar in polymer composite water-proof mortar produced by the present invention and reference examples is made into two block sizes
× 160mm sample；
Mortar mechanical strength test presses GB/T 17671《Test method for strength of hydraulic cement mortar（ISO methods）》Detected；
Impermeability test：With reference to DL/T 5126-2001《Polymer-modified cement mortar testing regulations》Detected；
Testing result is as shown in table 1：
Table 1
| Detection project | Example 1 | Example 2 | Example 3 | Reference examples |
| 28d compression strength（MPa） | 29.25 | 29.36 | 29.69 | 20.31 |
| 28d rupture strengths（MPa） | 7.90 | 7.95 | 7.99 | 5.21 |
| Anti-permeability strength（MPa） | 1.65 | 1.69 | 1.72 | 1.43 |
From detecting data in upper table, polymer composite water-proof mortar produced by the present invention has splendid mechanical strength and resisted
Intensity is oozed, is had a extensive future.
Claims (6)
1. a kind of preparation method of polymer composite water-proof mortar, it is characterised in that specifically preparation process is：
（1）Natural river sand and glass fibre are weighed, is sequentially loaded into ball grinder, discharges, is mixed after 30~40min of ball-milling treatment
Close powder；
（2）Take fragrant citrus pericarp squeezing to handle, collect the fragrant citrus pericarp juice of the outflow after squeezing, fragrant citrus pericarp juice and Rosa Damascana are mixed
Conjunction obtains mixed liquor, then mixed liquor and above-mentioned mixed-powder are sequentially loaded into as fermentation substrate in fermentation tank, then to fermentation tank
Middle addition biogas slurry, it is sealed by fermentation；
（3）After above-mentioned fermentation ends, tunning filtering is taken out, is separated except ferment filtrate, the filter residue that ferments is obtained, uses respectively
Absolute ethyl alcohol and deionized water rinse fermentation 15~20min of filter residue successively, then the fermentation filter residue after flushing is dried, you can obtain
Modified mixed-powder；
（4）Measure sodium silicate solution to be fitted into beaker, and the pH to 5.5~6.0 of sodium silicate solution is adjusted with hydrochloric acid, regulation is completed
After be stirred, then by beaker move into oil bath pan in, heat temperature raising, continue stirring reaction obtain Ludox；
（5）Containing hydrogen silicone oil, MTES and above-mentioned Ludox are well mixed and obtain strengthening adhesive, takes phenylpropyl alcohol newborn
Liquid and enhancing adhesive are well mixed and obtain mixed polymerization matrix；
（6）Count in parts by weight, weigh 100~120 parts of Portland cements, 250~300 parts of modified mixed-powders, 10~
20 parts of mixed polymerization matrixes, 150~200 parts of water, 2~5 parts of tributyl phosphates and 5~8 parts of lignin, are sequentially loaded into batch mixer
In, discharged after being stirred reaction, you can obtain polymer composite water-proof mortar.
A kind of 2. preparation method of polymer composite water-proof mortar according to claim 1, it is characterised in that：Step（1）
Described in natural river sand and glass fibre mass ratio be 1:2.
A kind of 3. preparation method of polymer composite water-proof mortar according to claim 1, it is characterised in that：Step（2）
Described in fragrant citrus pericarp juice and Rosa Damascana volume ratio be 5:1, the mass ratio of mixed liquor and mixed-powder is 2:1, biogas slurry
Addition be the 1% of fermentation substrate quality, the temperature of sealing and fermenting is 45~55 DEG C, and the time of sealing and fermenting is 10~12 days.
A kind of 4. preparation method of polymer composite water-proof mortar according to claim 1, it is characterised in that：Step（4）
Described in the mass fraction of sodium silicate solution be 20%, it be 15~20min to be stirred the time, and the temperature of heat temperature raising is 100
~120 DEG C, the time for continuing stirring reaction is 30~40min.
A kind of 5. preparation method of polymer composite water-proof mortar according to claim 1, it is characterised in that：Step（5）
Described in containing hydrogen silicone oil, the mass ratio of MTES and Ludox be 1:1:10, the solid content of styrene-acrylic emulsion is
45%, viscosity is 200mPa s, and styrene-acrylic emulsion and the mass ratio for strengthening adhesive are 1:1.
A kind of 6. preparation method of polymer composite water-proof mortar according to claim 1, it is characterised in that：Step（6）
Described in the temperature for being stirred reaction be 80~90 DEG C, the time for being stirred reaction is 3~5min.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108298906A (en) * | 2018-02-10 | 2018-07-20 | 黄旭东 | A kind of preparation method of permanent seal cooling frost-resistant concrete |
| CN109026062A (en) * | 2018-09-11 | 2018-12-18 | 河海大学 | A kind of double lining shield tunnel and construction method |
| CN109796598A (en) * | 2019-03-22 | 2019-05-24 | 泉州欧米克生态建材科技有限公司 | A kind of ceramic green body reinforcing agent and preparation method thereof |
| CN112341040A (en) * | 2020-11-23 | 2021-02-09 | 北京富瑞勒斯科技开发有限公司 | Concrete anti-cracking waterproof agent and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102491709A (en) * | 2011-12-02 | 2012-06-13 | 南京工业大学 | Cement-based polymer waterproof mortar and preparation method thereof |
| WO2019096760A1 (en) * | 2017-11-14 | 2019-05-23 | Construction Research & Technology Gmbh | Use of zinc salts in combination with alkyl amines in cement-based dry mortar mixtures |
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2017
- 2017-08-30 CN CN201710765768.1A patent/CN107602048A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102491709A (en) * | 2011-12-02 | 2012-06-13 | 南京工业大学 | Cement-based polymer waterproof mortar and preparation method thereof |
| WO2019096760A1 (en) * | 2017-11-14 | 2019-05-23 | Construction Research & Technology Gmbh | Use of zinc salts in combination with alkyl amines in cement-based dry mortar mixtures |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108298906A (en) * | 2018-02-10 | 2018-07-20 | 黄旭东 | A kind of preparation method of permanent seal cooling frost-resistant concrete |
| CN109026062A (en) * | 2018-09-11 | 2018-12-18 | 河海大学 | A kind of double lining shield tunnel and construction method |
| CN109796598A (en) * | 2019-03-22 | 2019-05-24 | 泉州欧米克生态建材科技有限公司 | A kind of ceramic green body reinforcing agent and preparation method thereof |
| CN109796598B (en) * | 2019-03-22 | 2022-04-01 | 泉州欧米克生态建材科技有限公司 | Ceramic body reinforcing agent and preparation method thereof |
| CN112341040A (en) * | 2020-11-23 | 2021-02-09 | 北京富瑞勒斯科技开发有限公司 | Concrete anti-cracking waterproof agent and preparation method thereof |
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