CN103553404A - Preparation method of cement water repellent - Google Patents
Preparation method of cement water repellent Download PDFInfo
- Publication number
- CN103553404A CN103553404A CN201310460881.0A CN201310460881A CN103553404A CN 103553404 A CN103553404 A CN 103553404A CN 201310460881 A CN201310460881 A CN 201310460881A CN 103553404 A CN103553404 A CN 103553404A
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- CN
- China
- Prior art keywords
- polyoxyethylene
- fatty acid
- water repellent
- acid ester
- anhydrous sorbitol
- Prior art date
- 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.)
- Pending
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- 239000004568 cement Substances 0.000 title claims abstract description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 20
- 230000002940 repellent Effects 0.000 title claims abstract description 18
- 239000005871 repellent Substances 0.000 title claims abstract description 18
- 238000002360 preparation method Methods 0.000 title claims abstract description 10
- 235000014113 dietary fatty acids Nutrition 0.000 claims abstract description 24
- 239000000194 fatty acid Substances 0.000 claims abstract description 24
- 229930195729 fatty acid Natural products 0.000 claims abstract description 24
- 239000003995 emulsifying agent Substances 0.000 claims abstract description 18
- 150000001875 compounds Chemical class 0.000 claims abstract description 13
- 238000000034 method Methods 0.000 claims abstract description 10
- 150000004665 fatty acids Chemical class 0.000 claims abstract description 8
- 239000012874 anionic emulsifier Substances 0.000 claims abstract description 5
- 238000004945 emulsification Methods 0.000 claims abstract description 5
- -1 glycol fatty acid ester Chemical class 0.000 claims description 47
- 229920003171 Poly (ethylene oxide) Polymers 0.000 claims description 24
- FBPFZTCFMRRESA-FSIIMWSLSA-N D-Glucitol Natural products OC[C@H](O)[C@H](O)[C@@H](O)[C@H](O)CO FBPFZTCFMRRESA-FSIIMWSLSA-N 0.000 claims description 14
- 239000000600 sorbitol Substances 0.000 claims description 14
- POULHZVOKOAJMA-UHFFFAOYSA-N dodecanoic acid Chemical compound CCCCCCCCCCCC(O)=O POULHZVOKOAJMA-UHFFFAOYSA-N 0.000 claims description 12
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 claims description 8
- 239000005639 Lauric acid Substances 0.000 claims description 6
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 claims description 6
- 239000000292 calcium oxide Substances 0.000 claims description 6
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 claims description 6
- ZORQXIQZAOLNGE-UHFFFAOYSA-N 1,1-difluorocyclohexane Chemical compound FC1(F)CCCCC1 ZORQXIQZAOLNGE-UHFFFAOYSA-N 0.000 claims description 5
- XZIIFPSPUDAGJM-UHFFFAOYSA-N 6-chloro-2-n,2-n-diethylpyrimidine-2,4-diamine Chemical compound CCN(CC)C1=NC(N)=CC(Cl)=N1 XZIIFPSPUDAGJM-UHFFFAOYSA-N 0.000 claims description 5
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 claims description 5
- 239000000920 calcium hydroxide Substances 0.000 claims description 5
- 229910001861 calcium hydroxide Inorganic materials 0.000 claims description 5
- VTHJTEIRLNZDEV-UHFFFAOYSA-L magnesium dihydroxide Chemical compound [OH-].[OH-].[Mg+2] VTHJTEIRLNZDEV-UHFFFAOYSA-L 0.000 claims description 5
- 239000000347 magnesium hydroxide Substances 0.000 claims description 5
- 229910001862 magnesium hydroxide Inorganic materials 0.000 claims description 5
- 229940035044 sorbitan monolaurate Drugs 0.000 claims description 5
- 239000001593 sorbitan monooleate Substances 0.000 claims description 5
- 235000011069 sorbitan monooleate Nutrition 0.000 claims description 5
- 229940035049 sorbitan monooleate Drugs 0.000 claims description 5
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 claims description 4
- MTHSVFCYNBDYFN-UHFFFAOYSA-N anhydrous diethylene glycol Natural products OCCOCCO MTHSVFCYNBDYFN-UHFFFAOYSA-N 0.000 claims description 4
- 239000002131 composite material Substances 0.000 claims description 4
- IPCSVZSSVZVIGE-UHFFFAOYSA-N hexadecanoic acid Chemical compound CCCCCCCCCCCCCCCC(O)=O IPCSVZSSVZVIGE-UHFFFAOYSA-N 0.000 claims description 4
- DNIAPMSPPWPWGF-UHFFFAOYSA-N monopropylene glycol Natural products CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 claims description 4
- VHOCUJPBKOZGJD-UHFFFAOYSA-N triacontanoic acid Chemical compound CCCCCCCCCCCCCCCCCCCCCCCCCCCCCC(O)=O VHOCUJPBKOZGJD-UHFFFAOYSA-N 0.000 claims description 4
- KWVPFECTOKLOBL-KTKRTIGZSA-N 2-[(z)-octadec-9-enoxy]ethanol Chemical compound CCCCCCCC\C=C/CCCCCCCCOCCO KWVPFECTOKLOBL-KTKRTIGZSA-N 0.000 claims description 3
- BCKXLBQYZLBQEK-KVVVOXFISA-M Sodium oleate Chemical compound [Na+].CCCCCCCC\C=C/CCCCCCCC([O-])=O BCKXLBQYZLBQEK-KVVVOXFISA-M 0.000 claims description 3
- 235000021355 Stearic acid Nutrition 0.000 claims description 3
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 claims description 3
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 claims description 3
- 235000010482 polyoxyethylene sorbitan monooleate Nutrition 0.000 claims description 3
- 229920000053 polysorbate 80 Polymers 0.000 claims description 3
- 239000008117 stearic acid Substances 0.000 claims description 3
- 239000004359 castor oil Substances 0.000 claims description 2
- 235000019438 castor oil Nutrition 0.000 claims description 2
- 150000002148 esters Chemical class 0.000 claims description 2
- LYCAIKOWRPUZTN-UHFFFAOYSA-N ethylene glycol Natural products OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 2
- ZEMPKEQAKRGZGQ-XOQCFJPHSA-N glycerol triricinoleate Natural products CCCCCC[C@@H](O)CC=CCCCCCCCC(=O)OC[C@@H](COC(=O)CCCCCCCC=CC[C@@H](O)CCCCCC)OC(=O)CCCCCCCC=CC[C@H](O)CCCCCC ZEMPKEQAKRGZGQ-XOQCFJPHSA-N 0.000 claims description 2
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 claims description 2
- 239000000395 magnesium oxide Substances 0.000 claims description 2
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 claims description 2
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 claims description 2
- 229940051841 polyoxyethylene ether Drugs 0.000 claims description 2
- 229920000056 polyoxyethylene ether Polymers 0.000 claims description 2
- 235000010486 polyoxyethylene sorbitan monolaurate Nutrition 0.000 claims description 2
- 229940096992 potassium oleate Drugs 0.000 claims description 2
- MLICVSDCCDDWMD-KVVVOXFISA-M potassium;(z)-octadec-9-enoate Chemical compound [K+].CCCCCCCC\C=C/CCCCCCCC([O-])=O MLICVSDCCDDWMD-KVVVOXFISA-M 0.000 claims description 2
- 229920006395 saturated elastomer Polymers 0.000 claims description 2
- 235000003441 saturated fatty acids Nutrition 0.000 claims description 2
- 150000004671 saturated fatty acids Chemical class 0.000 claims description 2
- ZDQYSKICYIVCPN-UHFFFAOYSA-L sodium succinate (anhydrous) Chemical compound [Na+].[Na+].[O-]C(=O)CCC([O-])=O ZDQYSKICYIVCPN-UHFFFAOYSA-L 0.000 claims description 2
- BDHFUVZGWQCTTF-UHFFFAOYSA-M sulfonate Chemical compound [O-]S(=O)=O BDHFUVZGWQCTTF-UHFFFAOYSA-M 0.000 claims description 2
- 150000004670 unsaturated fatty acids Chemical class 0.000 claims description 2
- 235000021122 unsaturated fatty acids Nutrition 0.000 claims description 2
- 239000011787 zinc oxide Substances 0.000 claims description 2
- 238000006243 chemical reaction Methods 0.000 abstract description 3
- 230000035484 reaction time Effects 0.000 abstract description 2
- 241000047703 Nonion Species 0.000 abstract 1
- 239000003054 catalyst Substances 0.000 abstract 1
- 238000010438 heat treatment Methods 0.000 abstract 1
- 238000002844 melting Methods 0.000 abstract 1
- 230000008018 melting Effects 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 4
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 3
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 description 3
- 239000004567 concrete Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000002209 hydrophobic effect Effects 0.000 description 3
- 239000000725 suspension Substances 0.000 description 3
- NWGKJDSIEKMTRX-AAZCQSIUSA-N Sorbitan monooleate Chemical compound CCCCCCCC\C=C/CCCCCCCC(=O)OC[C@@H](O)[C@H]1OC[C@H](O)[C@H]1O NWGKJDSIEKMTRX-AAZCQSIUSA-N 0.000 description 2
- 239000000470 constituent Substances 0.000 description 2
- 229910052602 gypsum Inorganic materials 0.000 description 2
- 239000010440 gypsum Substances 0.000 description 2
- 230000002045 lasting effect Effects 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 229920000136 polysorbate Polymers 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- 229920001219 Polysorbate 40 Polymers 0.000 description 1
- 229920001214 Polysorbate 60 Polymers 0.000 description 1
- 229920002642 Polysorbate 65 Polymers 0.000 description 1
- 229920002651 Polysorbate 85 Polymers 0.000 description 1
- GSEJCLTVZPLZKY-UHFFFAOYSA-N Triethanolamine Chemical compound OCCN(CCO)CCO GSEJCLTVZPLZKY-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 235000012054 meals Nutrition 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 235000010483 polyoxyethylene sorbitan monopalmitate Nutrition 0.000 description 1
- 239000000249 polyoxyethylene sorbitan monopalmitate Substances 0.000 description 1
- 239000001818 polyoxyethylene sorbitan monostearate Substances 0.000 description 1
- 235000010989 polyoxyethylene sorbitan monostearate Nutrition 0.000 description 1
- 239000001816 polyoxyethylene sorbitan tristearate Substances 0.000 description 1
- 235000010988 polyoxyethylene sorbitan tristearate Nutrition 0.000 description 1
- 229940101027 polysorbate 40 Drugs 0.000 description 1
- 229940113124 polysorbate 60 Drugs 0.000 description 1
- 229940099511 polysorbate 65 Drugs 0.000 description 1
- 229940113171 polysorbate 85 Drugs 0.000 description 1
- 229920002545 silicone oil Polymers 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229960004418 trolamine Drugs 0.000 description 1
Landscapes
- Emulsifying, Dispersing, Foam-Producing Or Wetting Agents (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The invention discloses a preparation method of a cement water repellent, and the preparation method comprises the following steps: heating and melting a higher fatty acid, adding a compound emulsifier for emulsification, then simultaneously dropwise adding an alkaline compound and a catalyst at 75-80 DEG C within 2-3 hours, and after adding, continuing to react for 0.5 to 1 hour to obtain the cement water repellent; the compound emulsifier is compounded by a non-ion emulsifier and an anionic emulsifier, and the weight ratio of the two is 1:1 to 1:2. The cement water repellent is simple in synthetic process and short in reaction time; by use of the compound emulsifier, the reaction is complete; and the cement water repellent has the advantages of small size, low viscosity, low use amount, excellent water proof and water repellent performances and good storage stability, and may not return yellow.
Description
Technical field
The present invention relates to a kind of preparation method of cement water repellent.
Background technology
Water resistant, hydrophobic range of product for building on market are various, have meal, paste, emulsion-type, wherein because emulsion-type hydrophober is easy to use, receive an acclaim.
Waterproof, hydrophober are generally divided into two types: a kind of is non-response type, be blended in sand-cement slurry, concrete, gypsum, its effective constituent and inorganics are only mutual fillings inertia, machinery, the waterproof of this type, hydrophober large usage quantity, and effect is not lasting; Another kind of type is response type, be, between the effective constituent of waterproof, hydrophobic and hydrolysis product of cement, chemical reaction has occurred, formation is with the interface structure of chemical bonds, by interface, strengthen and cause the waterproof of cement, hydrophobicity performance to improve, this type of waterproof, hydrophober consumption are less, effect obviously, lasting.
Zhang Jie is at TECHNOLOGY(2004/7) the waterproof hydrophober prepared with stearic acid, potassium hydroxide, trolamine, citric acid, organic silicone oil, emulsifying agent in the making > > of < < waterproof hydrophober is coated in outward in sand-cement slurry, concrete, gypsum by interior blending, waterproof, hydrophobic effect are better, but this waterproof hydrophober cost is higher, and is used in and in bubble mixing light concrete, there is obvious froth breaking side effect.The prepared cement water repellent viscosity of patent 2006100706648.1 is higher, and preparation technology is comparatively complicated; Prepared cement water repellent in patent 200810035266.4 methods, preparation time is longer, stores and has above brightness reversion phenomenon half a year.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of preparation method of cement water repellent, the above-mentioned defect existing to overcome prior art.
For solving the problems of the technologies described above, the preparation method of cement water repellent of the present invention, comprise the steps: after higher fatty acid heat fused, to add compound emulsifying agent to carry out emulsification, then at 75-80 ℃, in 2-3 hour, drip basic cpd and catalyzer simultaneously, after dropwising, react again 0.5-1 hour, obtain described cement water repellent; Described compound emulsifying agent is nonionic emulsifying agent and anionic emulsifier is composite forms, and both weight ratios are 1:1-1:2.
Described nonionic emulsifying agent is selected from Witconol AL 69-66, anhydrous sorbitol tristearate (this dish 65), glycol fatty acid ester, propylene glycol fatty acid ester, anhydrous sorbitol list hard fatty acid ester (this dish 60), sorbitan monooleate (span 80), Diethylene Glycol fatty acid ester, anhydrous sorbitol monopalmitate (this dish 40), polyoxytrimethylene hard fatty acid ester, sorbitan mono-laurate (this dish 20), polyoxyethylene hard fatty acid ester, lauric acid polyoxyethylene ester, polyoxyethylene (4) anhydrous sorbitol list hard fatty acid ester (Tween61), polyoxyethylene (5) sorbitan monooleate (sorbimacrogol oleate100), polyoxyethylene (20) anhydrous sorbitol tristearate (polysorbate65), polyoxyethylene (20) Witconol AL 69-66 (polysorbate85), polyoxyethylene monoleate, fatty alcohol amine polyoxyethylene ether, alkylphenol polyoxyethylene, polyoxyethylene mono-laurate, polyoxyethylene castor oil, polyoxyethylene (4) sorbitan mono-laurate (tween 21), polyoxyethylene (20) anhydrous sorbitol list hard fatty acid ester (polysorbate60), polyoxyethylene (20) sorbitan monooleate (tween 80), polyoxyethylene (20) anhydrous sorbitol monopalmitate (polysorbate40), at least one in polyoxyethylene (20) sorbitan mono-laurate (polysorbas20),
Described anionic emulsifier is selected from least one in dialkyl group-2-sodium sulfosuccinate, dicyclohexyl-2-sodium sulfosuccinate, succinic acid sodium sulfonate, sodium oleate, potassium oleate, Emulphor FM;
Described higher fatty acid is the saturated or unsaturated fatty acids of C12-C30, preferably lauric acid, stearic acid, triacontanoic acid or palmitinic acid;
Described basic cpd is selected from calcium hydroxide, magnesium hydroxide, calcium oxide or magnesium oxide;
Described catalyzer is selected from calcium oxide, zinc oxide or hydrogen peroxide;
The mol ratio of higher fatty acid and basic cpd is 1:0.5-1:2;
Catalyzer add-on is the 0.5%-3% of basic cpd quality.
The cement water repellent that the present invention is synthetic, technique is simple, and the reaction times is short, after adopting compound emulsifying agent, thoroughly, product of the present invention is little except having particle diameter in reaction, and viscosity is low, consumption is few, the advantage of waterproof hydrophobicity performance excellence, and it is good to have stability in storage, the advantage of brightness reversion not.
Embodiment
Following component is all weight part.
Embodiment 1
To after lauric acid heat fused, add compound emulsifying agent to carry out emulsification, then at 75 ℃, drip calcium hydroxide aqeous suspension and calcium oxide aqeous suspension in 3 hours simultaneously, after dropwising, react again 0.5 hour, obtain described cement water repellent; Described compound emulsifying agent is that sorbitan monooleate (span 80) and sodium oleate form by weight being that 1:1 is composite.The mol ratio of lauric acid and calcium hydroxide is 1:0.5; Calcium oxide add-on is 0.5% of calcium hydroxide quality.
Embodiment 2
To after palmitinic acid heat fused, add compound emulsifying agent to carry out emulsification, then at 80 ℃, drip magnesium hydroxide aqeous suspension and hydrogen peroxide in 2 hours simultaneously, after dropwising, react again 1 hour, obtain described cement water repellent; Described compound emulsifying agent is that sorbitan mono-laurate (tween 21) and Emulphor FM form by 1:2 is composite.The mol ratio of palmitinic acid and magnesium hydroxide is 1:2; Hydrogen peroxide add-on is 3% of magnesium hydroxide quality.
Claims (8)
1. the preparation method of a cement water repellent, it is characterized in that, comprise the steps: after higher fatty acid heat fused, to add compound emulsifying agent to carry out emulsification, then at 75-80 ℃, in 2-3 hour, drip basic cpd and catalyzer simultaneously, after dropwising, react again 0.5-1 hour, obtain described cement water repellent; Described compound emulsifying agent is nonionic emulsifying agent and anionic emulsifier is composite forms, and both weight ratios are 1:1-1:2.
2. method according to claim 1, is characterized in that, described nonionic emulsifying agent is selected from Witconol AL 69-66, anhydrous sorbitol tristearate, glycol fatty acid ester, propylene glycol fatty acid ester, anhydrous sorbitol list hard fatty acid ester, sorbitan monooleate, Diethylene Glycol fatty acid ester, anhydrous sorbitol monopalmitate, polyoxytrimethylene hard fatty acid ester, sorbitan mono-laurate, polyoxyethylene hard fatty acid ester, lauric acid polyoxyethylene ester, polyoxyethylene (4) anhydrous sorbitol list hard fatty acid ester, polyoxyethylene (5) sorbitan monooleate, polyoxyethylene (20) anhydrous sorbitol tristearate, polyoxyethylene (20) Witconol AL 69-66, polyoxyethylene monoleate, fatty alcohol amine polyoxyethylene ether, alkylphenol polyoxyethylene, polyoxyethylene mono-laurate, polyoxyethylene castor oil, polyoxyethylene (4) sorbitan mono-laurate, polyoxyethylene (20) anhydrous sorbitol list hard fatty acid ester, polyoxyethylene (20) sorbitan monooleate, polyoxyethylene (20) anhydrous sorbitol monopalmitate, at least one in polyoxyethylene (20) sorbitan mono-laurate.
3. method according to claim 1, it is characterized in that, described anionic emulsifier is selected from least one in dialkyl group-2-sodium sulfosuccinate, dicyclohexyl-2-sodium sulfosuccinate, succinic acid sodium sulfonate, sodium oleate, potassium oleate, Emulphor FM.
4. method according to claim 1, is characterized in that, described higher fatty acid is selected from the saturated or unsaturated fatty acids of C12-C30.
5. method according to claim 4, is characterized in that, described higher fatty acid is lauric acid, stearic acid, triacontanoic acid or palmitinic acid.
6. method according to claim 1, is characterized in that, described basic cpd is selected from calcium hydroxide, magnesium hydroxide, calcium oxide or magnesium oxide.
7. method according to claim 1, is characterized in that, described catalyzer is selected from calcium oxide, zinc oxide or hydrogen peroxide.
8. method according to claim 1, is characterized in that, the mol ratio of higher fatty acid and basic cpd is 1:0.5～1:2, and catalyzer add-on is the 0.5%-3% of basic cpd quality.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310460881.0A CN103553404A (en) | 2013-09-28 | 2013-09-28 | Preparation method of cement water repellent |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310460881.0A CN103553404A (en) | 2013-09-28 | 2013-09-28 | Preparation method of cement water repellent |
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| Publication Number | Publication Date |
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| CN103553404A true CN103553404A (en) | 2014-02-05 |
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| CN201310460881.0A Pending CN103553404A (en) | 2013-09-28 | 2013-09-28 | Preparation method of cement water repellent |
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| Country | Link |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111204997A (en) * | 2020-03-06 | 2020-05-29 | 武汉思越化学技术有限公司 | Preparation method of water repellent for mineral fibers |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101195526A (en) * | 2006-12-04 | 2008-06-11 | 于润清 | Concrete moisture repel and method for producing the same |
| CN101602661A (en) * | 2009-07-16 | 2009-12-16 | 广州大学 | The preparation method of calcium stearate |
| CN101759387A (en) * | 2009-12-29 | 2010-06-30 | 上海东升新材料有限公司 | Cement water repellent and preparation method thereof |
-
2013
- 2013-09-28 CN CN201310460881.0A patent/CN103553404A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101195526A (en) * | 2006-12-04 | 2008-06-11 | 于润清 | Concrete moisture repel and method for producing the same |
| CN101602661A (en) * | 2009-07-16 | 2009-12-16 | 广州大学 | The preparation method of calcium stearate |
| CN101759387A (en) * | 2009-12-29 | 2010-06-30 | 上海东升新材料有限公司 | Cement water repellent and preparation method thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111204997A (en) * | 2020-03-06 | 2020-05-29 | 武汉思越化学技术有限公司 | Preparation method of water repellent for mineral fibers |
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