CN107383274A - 长效混凝土保水剂及其制备方法 - Google Patents
长效混凝土保水剂及其制备方法 Download PDFInfo
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- CN107383274A CN107383274A CN201710836234.3A CN201710836234A CN107383274A CN 107383274 A CN107383274 A CN 107383274A CN 201710836234 A CN201710836234 A CN 201710836234A CN 107383274 A CN107383274 A CN 107383274A
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- water
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- deionized water
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- 239000004567 concrete Substances 0.000 title claims abstract description 106
- 239000003638 chemical reducing agent Substances 0.000 title claims abstract description 72
- 238000002360 preparation method Methods 0.000 title claims abstract description 23
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 104
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims abstract description 69
- 239000008367 deionised water Substances 0.000 claims abstract description 55
- 229910021641 deionized water Inorganic materials 0.000 claims abstract description 55
- 239000000178 monomer Substances 0.000 claims abstract description 46
- 239000003999 initiator Substances 0.000 claims abstract description 35
- 230000002209 hydrophobic effect Effects 0.000 claims abstract description 32
- ROOXNKNUYICQNP-UHFFFAOYSA-N ammonium persulfate Chemical compound [NH4+].[NH4+].[O-]S(=O)(=O)OOS([O-])(=O)=O ROOXNKNUYICQNP-UHFFFAOYSA-N 0.000 claims abstract description 22
- HRPVXLWXLXDGHG-UHFFFAOYSA-N Acrylamide Chemical compound NC(=O)C=C HRPVXLWXLXDGHG-UHFFFAOYSA-N 0.000 claims abstract description 21
- CERQOIWHTDAKMF-UHFFFAOYSA-N Methacrylic acid Chemical compound CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 claims abstract description 20
- UWNADWZGEHDQAB-UHFFFAOYSA-N 2,5-dimethylhexane Chemical group CC(C)CCC(C)C UWNADWZGEHDQAB-UHFFFAOYSA-N 0.000 claims abstract description 15
- 239000002994 raw material Substances 0.000 claims abstract description 13
- 229910001870 ammonium persulfate Inorganic materials 0.000 claims abstract description 11
- CIWBSHSKHKDKBQ-JLAZNSOCSA-N Ascorbic acid Chemical compound OC[C@H](O)[C@H]1OC(=O)C(O)=C1O CIWBSHSKHKDKBQ-JLAZNSOCSA-N 0.000 claims abstract description 10
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims abstract description 9
- DWAQJAXMDSEUJJ-UHFFFAOYSA-M Sodium bisulfite Chemical compound [Na+].OS([O-])=O DWAQJAXMDSEUJJ-UHFFFAOYSA-M 0.000 claims abstract description 8
- 229940079827 sodium hydrogen sulfite Drugs 0.000 claims abstract description 8
- 235000010267 sodium hydrogen sulphite Nutrition 0.000 claims abstract description 8
- 150000001409 amidines Chemical class 0.000 claims abstract description 7
- JKNCOURZONDCGV-UHFFFAOYSA-N 2-(dimethylamino)ethyl 2-methylprop-2-enoate Chemical compound CN(C)CCOC(=O)C(C)=C JKNCOURZONDCGV-UHFFFAOYSA-N 0.000 claims abstract description 6
- RUMACXVDVNRZJZ-UHFFFAOYSA-N 2-methylpropyl 2-methylprop-2-enoate Chemical compound CC(C)COC(=O)C(C)=C RUMACXVDVNRZJZ-UHFFFAOYSA-N 0.000 claims abstract description 6
- ZZZCUOFIHGPKAK-UHFFFAOYSA-N D-erythro-ascorbic acid Natural products OCC1OC(=O)C(O)=C1O ZZZCUOFIHGPKAK-UHFFFAOYSA-N 0.000 claims abstract description 5
- 229930003268 Vitamin C Natural products 0.000 claims abstract description 5
- 235000019154 vitamin C Nutrition 0.000 claims abstract description 5
- 239000011718 vitamin C Substances 0.000 claims abstract description 5
- 125000000751 azo group Chemical group [*]N=N[*] 0.000 claims abstract description 3
- 238000003756 stirring Methods 0.000 claims description 39
- 238000006243 chemical reaction Methods 0.000 claims description 27
- 239000007795 chemical reaction product Substances 0.000 claims description 23
- 238000002156 mixing Methods 0.000 claims description 20
- 239000000047 product Substances 0.000 claims description 11
- 238000010792 warming Methods 0.000 claims description 11
- 239000003643 water by type Substances 0.000 claims description 11
- 238000013019 agitation Methods 0.000 claims description 10
- -1 Butyl Amidine HCl salt Chemical class 0.000 claims description 9
- 239000000203 mixture Substances 0.000 claims description 9
- 239000003795 chemical substances by application Substances 0.000 claims description 6
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 claims description 6
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 3
- 239000011734 sodium Substances 0.000 claims description 3
- 229910052708 sodium Inorganic materials 0.000 claims description 3
- VKEQBMCRQDSRET-UHFFFAOYSA-N Methylone Chemical compound CNC(C)C(=O)C1=CC=C2OCOC2=C1 VKEQBMCRQDSRET-UHFFFAOYSA-N 0.000 claims description 2
- 229910052739 hydrogen Inorganic materials 0.000 claims description 2
- 239000001257 hydrogen Substances 0.000 claims description 2
- 238000002242 deionisation method Methods 0.000 claims 4
- DPBJAVGHACCNRL-UHFFFAOYSA-N 2-(dimethylamino)ethyl prop-2-enoate Chemical compound CN(C)CCOC(=O)C=C DPBJAVGHACCNRL-UHFFFAOYSA-N 0.000 claims 1
- 125000004435 hydrogen atom Chemical class [H]* 0.000 claims 1
- 230000000740 bleeding effect Effects 0.000 abstract description 24
- 230000006872 improvement Effects 0.000 abstract description 7
- 238000002955 isolation Methods 0.000 abstract description 7
- 239000000243 solution Substances 0.000 description 19
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 8
- 239000002253 acid Substances 0.000 description 6
- 150000001336 alkenes Chemical class 0.000 description 6
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- AHLWZBVXSWOPPL-RGYGYFBISA-N 20-deoxy-20-oxophorbol 12-myristate 13-acetate Chemical compound C([C@]1(O)C(=O)C(C)=C[C@H]1[C@@]1(O)[C@H](C)[C@H]2OC(=O)CCCCCCCCCCCCC)C(C=O)=C[C@H]1[C@H]1[C@]2(OC(C)=O)C1(C)C AHLWZBVXSWOPPL-RGYGYFBISA-N 0.000 description 4
- 241001602688 Pama Species 0.000 description 4
- 238000001556 precipitation Methods 0.000 description 4
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 description 4
- 239000002689 soil Substances 0.000 description 4
- LSNNMFCWUKXFEE-UHFFFAOYSA-M Bisulfite Chemical compound OS([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-M 0.000 description 3
- 239000000654 additive Substances 0.000 description 3
- 150000001408 amides Chemical class 0.000 description 3
- 229920002678 cellulose Polymers 0.000 description 3
- 239000001913 cellulose Substances 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 229910021645 metal ion Inorganic materials 0.000 description 3
- 229920002401 polyacrylamide Polymers 0.000 description 3
- 229920000642 polymer Polymers 0.000 description 3
- 239000002002 slurry Substances 0.000 description 3
- 229920002134 Carboxymethyl cellulose Polymers 0.000 description 2
- 229920001353 Dextrin Polymers 0.000 description 2
- 239000004375 Dextrin Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 230000000996 additive effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000015271 coagulation Effects 0.000 description 2
- 238000005345 coagulation Methods 0.000 description 2
- 238000007334 copolymerization reaction Methods 0.000 description 2
- 238000004132 cross linking Methods 0.000 description 2
- 235000019425 dextrin Nutrition 0.000 description 2
- 238000010790 dilution Methods 0.000 description 2
- 239000012895 dilution Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000002708 enhancing effect Effects 0.000 description 2
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 2
- 229920003088 hydroxypropyl methyl cellulose Polymers 0.000 description 2
- 235000010979 hydroxypropyl methyl cellulose Nutrition 0.000 description 2
- 238000003786 synthesis reaction Methods 0.000 description 2
- 230000008719 thickening Effects 0.000 description 2
- CFVWNXQPGQOHRJ-UHFFFAOYSA-N 2-methylpropyl prop-2-enoate Chemical compound CC(C)COC(=O)C=C CFVWNXQPGQOHRJ-UHFFFAOYSA-N 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 229920002153 Hydroxypropyl cellulose Polymers 0.000 description 1
- 206010067482 No adverse event Diseases 0.000 description 1
- 239000004721 Polyphenylene oxide Substances 0.000 description 1
- WWAZUUULUNZNFE-UHFFFAOYSA-N [Na].NC(=O)C=C Chemical compound [Na].NC(=O)C=C WWAZUUULUNZNFE-UHFFFAOYSA-N 0.000 description 1
- 229920006322 acrylamide copolymer Polymers 0.000 description 1
- 125000003342 alkenyl group Chemical group 0.000 description 1
- 125000003368 amide group Chemical group 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 150000001450 anions Chemical class 0.000 description 1
- 239000008346 aqueous phase Substances 0.000 description 1
- 238000003556 assay Methods 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 125000004432 carbon atom Chemical group C* 0.000 description 1
- 239000001768 carboxy methyl cellulose Substances 0.000 description 1
- 235000010948 carboxy methyl cellulose Nutrition 0.000 description 1
- 239000008112 carboxymethyl-cellulose Substances 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 239000013522 chelant Substances 0.000 description 1
- 230000001112 coagulating effect Effects 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 239000004035 construction material Substances 0.000 description 1
- 239000003431 cross linking reagent Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 125000001165 hydrophobic group Chemical group 0.000 description 1
- 239000001863 hydroxypropyl cellulose Substances 0.000 description 1
- 235000010977 hydroxypropyl cellulose Nutrition 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 235000015110 jellies Nutrition 0.000 description 1
- 239000008274 jelly Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 125000005395 methacrylic acid group Chemical class 0.000 description 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
- 150000002762 monocarboxylic acid derivatives Chemical class 0.000 description 1
- 230000033116 oxidation-reduction process Effects 0.000 description 1
- RECVMTHOQWMYFX-UHFFFAOYSA-N oxygen(1+) dihydride Chemical compound [OH2+] RECVMTHOQWMYFX-UHFFFAOYSA-N 0.000 description 1
- 229920000570 polyether Polymers 0.000 description 1
- 229920002503 polyoxyethylene-polyoxypropylene Polymers 0.000 description 1
- 239000011178 precast concrete Substances 0.000 description 1
- 150000003254 radicals Chemical class 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000009938 salting Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 159000000000 sodium salts Chemical group 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 150000003460 sulfonic acids Chemical class 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
- 229920003169 water-soluble polymer Polymers 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F220/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride ester, amide, imide or nitrile thereof
- C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
- C08F220/52—Amides or imides
- C08F220/54—Amides, e.g. N,N-dimethylacrylamide or N-isopropylacrylamide
- C08F220/56—Acrylamide; Methacrylamide
-
- 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
- C04B24/00—Use of organic materials as active ingredients for mortars, concrete or artificial stone, e.g. plasticisers
- C04B24/24—Macromolecular compounds
- C04B24/26—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- C04B24/2688—Copolymers containing at least three different monomers
-
- 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
- C04B2103/46—Water-loss or fluid-loss reducers, hygroscopic or hydrophilic agents, water retention agents
- C04B2103/465—Water-sorbing agents, hygroscopic or hydrophilic agents
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
Abstract
Description
实例编号 | 固含量 | 粘度 |
实施例1 | 1.6% | 52.35 |
实施例2 | 1.6% | 62.28 |
实施例3 | 1.6% | 89.57 |
实施例4 | 1.6% | 92.35 |
实例编号 | 扩展度 | 泌水率比 | 状态 |
空白 | 500 | 42.5% | 泌水严重,和易性差 |
1 | 480 | 21.5% | 泌水改善,和易性改善 |
2 | 480 | 18.3% | 泌水改善,和易性改善 |
3 | 470 | 12.5% | 基本不泌水,和易性良好 |
4 | 470 | 10.8% | 基本不泌水,和易性良好 |
Claims (10)
Priority Applications (1)
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CN201710836234.3A CN107383274B (zh) | 2017-09-16 | 2017-09-16 | 长效混凝土保水剂及其制备方法 |
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CN201710836234.3A CN107383274B (zh) | 2017-09-16 | 2017-09-16 | 长效混凝土保水剂及其制备方法 |
Publications (2)
Publication Number | Publication Date |
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CN107383274A true CN107383274A (zh) | 2017-11-24 |
CN107383274B CN107383274B (zh) | 2019-11-01 |
Family
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Family Applications (1)
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CN201710836234.3A Active CN107383274B (zh) | 2017-09-16 | 2017-09-16 | 长效混凝土保水剂及其制备方法 |
Country Status (1)
Country | Link |
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CN (1) | CN107383274B (zh) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111285965A (zh) * | 2020-03-10 | 2020-06-16 | 刘翠芬 | 一种缓释型混凝土保水剂及其制备方法 |
CN111533844A (zh) * | 2020-06-04 | 2020-08-14 | 江苏万邦新材料科技有限公司 | 一种改性混凝土保水剂及其制备方法 |
CN112500055A (zh) * | 2020-12-11 | 2021-03-16 | 四川砼道科技有限公司 | 一种用于滑模施工的机场道面混凝土 |
CN113292686A (zh) * | 2020-12-30 | 2021-08-24 | 云南森博混凝土外加剂有限公司 | 一种多功能型混凝土保水剂及其制备方法 |
CN114933679A (zh) * | 2022-05-25 | 2022-08-23 | 苏州市兴邦化学建材有限公司 | 一种用于预拌混凝土车载外加剂及其制备方法 |
CN116239330A (zh) * | 2023-03-06 | 2023-06-09 | 湖南中岩建材科技有限公司 | 一种缔合型增稠保水剂及其制备方法 |
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US4190562A (en) * | 1977-04-04 | 1980-02-26 | The B. F. Goodrich Company | Improved water absorbent copolymers of copolymerizable carboxylic acids and acrylic or methacrylic esters |
CN101104664A (zh) * | 2007-06-14 | 2008-01-16 | 胜利油田长安控股集团有限公司 | 丙烯酸与丙烯酰胺共聚制备保水剂的方法 |
CN102633944A (zh) * | 2012-03-31 | 2012-08-15 | 陕西科技大学 | 一种含疏水链段的耐盐缓释型高吸水树脂的制备方法 |
US8816031B2 (en) * | 2006-03-06 | 2014-08-26 | Harima Chemicals, Inc. | Water-soluble polymer and additive for paper manufacture |
CN104744623A (zh) * | 2013-12-25 | 2015-07-01 | 辽宁奥克化学股份有限公司 | 一种混凝土和易性调节剂及其制备方法 |
CN104817658A (zh) * | 2015-05-21 | 2015-08-05 | 苏州市湘园特种精细化工有限公司 | 一种丙烯酸型减水剂及其制备方法 |
CN105585673A (zh) * | 2015-12-17 | 2016-05-18 | 北京建筑大学 | 一种混凝土增粘保水剂及其制备方法与应用 |
CN106380103A (zh) * | 2016-08-29 | 2017-02-08 | 山东江泰建材科技有限公司 | 一种用于水泥混凝土的离析泌水抑制剂及其制备方法 |
-
2017
- 2017-09-16 CN CN201710836234.3A patent/CN107383274B/zh active Active
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
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US4190562A (en) * | 1977-04-04 | 1980-02-26 | The B. F. Goodrich Company | Improved water absorbent copolymers of copolymerizable carboxylic acids and acrylic or methacrylic esters |
US8816031B2 (en) * | 2006-03-06 | 2014-08-26 | Harima Chemicals, Inc. | Water-soluble polymer and additive for paper manufacture |
CN101104664A (zh) * | 2007-06-14 | 2008-01-16 | 胜利油田长安控股集团有限公司 | 丙烯酸与丙烯酰胺共聚制备保水剂的方法 |
CN102633944A (zh) * | 2012-03-31 | 2012-08-15 | 陕西科技大学 | 一种含疏水链段的耐盐缓释型高吸水树脂的制备方法 |
CN104744623A (zh) * | 2013-12-25 | 2015-07-01 | 辽宁奥克化学股份有限公司 | 一种混凝土和易性调节剂及其制备方法 |
CN104817658A (zh) * | 2015-05-21 | 2015-08-05 | 苏州市湘园特种精细化工有限公司 | 一种丙烯酸型减水剂及其制备方法 |
CN105585673A (zh) * | 2015-12-17 | 2016-05-18 | 北京建筑大学 | 一种混凝土增粘保水剂及其制备方法与应用 |
CN106380103A (zh) * | 2016-08-29 | 2017-02-08 | 山东江泰建材科技有限公司 | 一种用于水泥混凝土的离析泌水抑制剂及其制备方法 |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111285965A (zh) * | 2020-03-10 | 2020-06-16 | 刘翠芬 | 一种缓释型混凝土保水剂及其制备方法 |
CN111533844A (zh) * | 2020-06-04 | 2020-08-14 | 江苏万邦新材料科技有限公司 | 一种改性混凝土保水剂及其制备方法 |
CN111533844B (zh) * | 2020-06-04 | 2022-02-08 | 江苏万邦新材料科技有限公司 | 一种改性混凝土保水剂及其制备方法 |
CN112500055A (zh) * | 2020-12-11 | 2021-03-16 | 四川砼道科技有限公司 | 一种用于滑模施工的机场道面混凝土 |
CN113292686A (zh) * | 2020-12-30 | 2021-08-24 | 云南森博混凝土外加剂有限公司 | 一种多功能型混凝土保水剂及其制备方法 |
CN113292686B (zh) * | 2020-12-30 | 2022-12-16 | 云南森博混凝土外加剂有限公司 | 一种多功能型混凝土保水剂及其制备方法 |
CN114933679A (zh) * | 2022-05-25 | 2022-08-23 | 苏州市兴邦化学建材有限公司 | 一种用于预拌混凝土车载外加剂及其制备方法 |
CN116239330A (zh) * | 2023-03-06 | 2023-06-09 | 湖南中岩建材科技有限公司 | 一种缔合型增稠保水剂及其制备方法 |
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