CN114316155A - 一种树枝状早强型聚羧酸减水剂及其制备方法 - Google Patents
一种树枝状早强型聚羧酸减水剂及其制备方法 Download PDFInfo
- Publication number
- CN114316155A CN114316155A CN202210079508.XA CN202210079508A CN114316155A CN 114316155 A CN114316155 A CN 114316155A CN 202210079508 A CN202210079508 A CN 202210079508A CN 114316155 A CN114316155 A CN 114316155A
- Authority
- CN
- China
- Prior art keywords
- parts
- dendritic
- phenylenediamine
- early
- macromonomer
- 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.)
- Granted
Links
- 229920005646 polycarboxylate Polymers 0.000 title claims abstract description 56
- 239000008030 superplasticizer Substances 0.000 title claims abstract description 48
- 238000002360 preparation method Methods 0.000 title claims abstract description 23
- CBCKQZAAMUWICA-UHFFFAOYSA-N 1,4-phenylenediamine Chemical compound NC1=CC=C(N)C=C1 CBCKQZAAMUWICA-UHFFFAOYSA-N 0.000 claims abstract description 76
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 59
- 239000000178 monomer Substances 0.000 claims abstract description 30
- 239000007788 liquid Substances 0.000 claims abstract description 17
- 239000004721 Polyphenylene oxide Substances 0.000 claims abstract description 15
- 239000003513 alkali Substances 0.000 claims abstract description 15
- 229920000570 polyether Polymers 0.000 claims abstract description 15
- 150000001732 carboxylic acid derivatives Chemical class 0.000 claims abstract description 13
- 239000003054 catalyst Substances 0.000 claims abstract description 9
- 239000003446 ligand Substances 0.000 claims abstract description 9
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims description 42
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 39
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims description 34
- 239000003638 chemical reducing agent Substances 0.000 claims description 33
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 claims description 30
- ZMANZCXQSJIPKH-UHFFFAOYSA-N Triethylamine Chemical compound CCN(CC)CC ZMANZCXQSJIPKH-UHFFFAOYSA-N 0.000 claims description 30
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims description 28
- BAPJBEWLBFYGME-UHFFFAOYSA-N Methyl acrylate Chemical compound COC(=O)C=C BAPJBEWLBFYGME-UHFFFAOYSA-N 0.000 claims description 28
- YOCIJWAHRAJQFT-UHFFFAOYSA-N 2-bromo-2-methylpropanoyl bromide Chemical compound CC(C)(Br)C(Br)=O YOCIJWAHRAJQFT-UHFFFAOYSA-N 0.000 claims description 19
- 229920000151 polyglycol Polymers 0.000 claims description 17
- 239000010695 polyglycol Substances 0.000 claims description 17
- QWXYZCJEXYQNEI-OSZHWHEXSA-N intermediate I Chemical compound COC(=O)[C@@]1(C=O)[C@H]2CC=[N+](C\C2=C\C)CCc2c1[nH]c1ccccc21 QWXYZCJEXYQNEI-OSZHWHEXSA-N 0.000 claims description 15
- 229960000583 acetic acid Drugs 0.000 claims description 14
- 239000012362 glacial acetic acid Substances 0.000 claims description 14
- 238000003756 stirring Methods 0.000 claims description 13
- CERQOIWHTDAKMF-UHFFFAOYSA-N Methacrylic acid Chemical compound CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 claims description 8
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 claims description 7
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 7
- 229910021591 Copper(I) chloride Inorganic materials 0.000 claims description 7
- OXBLHERUFWYNTN-UHFFFAOYSA-M copper(I) chloride Chemical compound [Cu]Cl OXBLHERUFWYNTN-UHFFFAOYSA-M 0.000 claims description 7
- 229940045803 cuprous chloride Drugs 0.000 claims description 7
- VZCYOOQTPOCHFL-OWOJBTEDSA-N Fumaric acid Chemical compound OC(=O)\C=C\C(O)=O VZCYOOQTPOCHFL-OWOJBTEDSA-N 0.000 claims description 6
- KWYHDKDOAIKMQN-UHFFFAOYSA-N N,N,N',N'-tetramethylethylenediamine Chemical compound CN(C)CCN(C)C KWYHDKDOAIKMQN-UHFFFAOYSA-N 0.000 claims description 6
- 239000002904 solvent Substances 0.000 claims description 5
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 claims description 4
- 239000002994 raw material Substances 0.000 claims description 4
- 229910021589 Copper(I) bromide Inorganic materials 0.000 claims description 3
- 229910021575 Iron(II) bromide Inorganic materials 0.000 claims description 3
- NKNDPYCGAZPOFS-UHFFFAOYSA-M copper(i) bromide Chemical compound Br[Cu] NKNDPYCGAZPOFS-UHFFFAOYSA-M 0.000 claims description 3
- 229940046149 ferrous bromide Drugs 0.000 claims description 3
- 239000001530 fumaric acid Substances 0.000 claims description 3
- GYCHYNMREWYSKH-UHFFFAOYSA-L iron(ii) bromide Chemical compound [Fe+2].[Br-].[Br-] GYCHYNMREWYSKH-UHFFFAOYSA-L 0.000 claims description 3
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 claims description 3
- -1 4-hydroxybutyl vinyl Chemical group 0.000 claims description 2
- 229960002089 ferrous chloride Drugs 0.000 claims description 2
- ZUVVLBGWTRIOFH-UHFFFAOYSA-N methyl 4-methyl-2-[(4-methylphenyl)sulfonylamino]pentanoate Chemical compound COC(=O)C(CC(C)C)NS(=O)(=O)C1=CC=C(C)C=C1 ZUVVLBGWTRIOFH-UHFFFAOYSA-N 0.000 claims description 2
- VILCJCGEZXAXTO-UHFFFAOYSA-N 2,2,2-tetramine Chemical compound NCCNCCNCCN VILCJCGEZXAXTO-UHFFFAOYSA-N 0.000 claims 1
- UKODFQOELJFMII-UHFFFAOYSA-N pentamethyldiethylenetriamine Chemical compound CN(C)CCN(C)CCN(C)C UKODFQOELJFMII-UHFFFAOYSA-N 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 18
- 238000000034 method Methods 0.000 abstract description 16
- 238000010560 atom transfer radical polymerization reaction Methods 0.000 abstract description 14
- 101710141544 Allatotropin-related peptide Proteins 0.000 abstract description 12
- 239000004566 building material Substances 0.000 abstract 1
- 230000000052 comparative effect Effects 0.000 description 27
- 239000004567 concrete Substances 0.000 description 27
- 239000000243 solution Substances 0.000 description 19
- 238000002390 rotary evaporation Methods 0.000 description 14
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 9
- QVYARBLCAHCSFJ-UHFFFAOYSA-N butane-1,1-diamine Chemical compound CCCC(N)N QVYARBLCAHCSFJ-UHFFFAOYSA-N 0.000 description 8
- 239000002253 acid Substances 0.000 description 7
- 239000003999 initiator Substances 0.000 description 7
- CIWBSHSKHKDKBQ-JLAZNSOCSA-N Ascorbic acid Chemical compound OC[C@H](O)[C@H]1OC(=O)C(O)=C1O CIWBSHSKHKDKBQ-JLAZNSOCSA-N 0.000 description 6
- 238000002156 mixing Methods 0.000 description 6
- 239000000047 product Substances 0.000 description 6
- 239000004568 cement Substances 0.000 description 5
- 238000012986 modification Methods 0.000 description 5
- 230000004048 modification Effects 0.000 description 5
- 238000010526 radical polymerization reaction Methods 0.000 description 5
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 4
- 239000011398 Portland cement Substances 0.000 description 4
- 239000007864 aqueous solution Substances 0.000 description 4
- 239000003795 chemical substances by application Substances 0.000 description 4
- 239000010881 fly ash Substances 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000006116 polymerization reaction Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- CWERGRDVMFNCDR-UHFFFAOYSA-N thioglycolic acid Chemical compound OC(=O)CS CWERGRDVMFNCDR-UHFFFAOYSA-N 0.000 description 4
- 125000003903 2-propenyl group Chemical group [H]C([*])([H])C([H])=C([H])[H] 0.000 description 3
- 239000002211 L-ascorbic acid Substances 0.000 description 3
- 235000000069 L-ascorbic acid Nutrition 0.000 description 3
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 3
- 229960005070 ascorbic acid Drugs 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 3
- 229910052500 inorganic mineral Inorganic materials 0.000 description 3
- 239000011707 mineral Substances 0.000 description 3
- 235000010755 mineral Nutrition 0.000 description 3
- 239000000843 powder Substances 0.000 description 3
- 235000011121 sodium hydroxide Nutrition 0.000 description 3
- 239000004575 stone Substances 0.000 description 3
- KAKZBPTYRLMSJV-UHFFFAOYSA-N vinyl-ethylene Natural products C=CC=C KAKZBPTYRLMSJV-UHFFFAOYSA-N 0.000 description 3
- DZSVIVLGBJKQAP-UHFFFAOYSA-N 1-(2-methyl-5-propan-2-ylcyclohex-2-en-1-yl)propan-1-one Chemical compound CCC(=O)C1CC(C(C)C)CC=C1C DZSVIVLGBJKQAP-UHFFFAOYSA-N 0.000 description 2
- QIGBRXMKCJKVMJ-UHFFFAOYSA-N Hydroquinone Chemical compound OC1=CC=C(O)C=C1 QIGBRXMKCJKVMJ-UHFFFAOYSA-N 0.000 description 2
- 239000004952 Polyamide Substances 0.000 description 2
- ROOXNKNUYICQNP-UHFFFAOYSA-N ammonium persulfate Chemical compound [NH4+].[NH4+].[O-]S(=O)(=O)OOS([O-])(=O)=O ROOXNKNUYICQNP-UHFFFAOYSA-N 0.000 description 2
- 125000003118 aryl group Chemical group 0.000 description 2
- 238000013329 compounding Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000011056 performance test Methods 0.000 description 2
- 229920002647 polyamide Polymers 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 239000011178 precast concrete Substances 0.000 description 2
- 238000004321 preservation Methods 0.000 description 2
- 230000008439 repair process Effects 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- SZHIIIPPJJXYRY-UHFFFAOYSA-M sodium;2-methylprop-2-ene-1-sulfonate Chemical compound [Na+].CC(=C)CS([O-])(=O)=O SZHIIIPPJJXYRY-UHFFFAOYSA-M 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- HRPVXLWXLXDGHG-UHFFFAOYSA-N Acrylamide Chemical compound NC(=O)C=C HRPVXLWXLXDGHG-UHFFFAOYSA-N 0.000 description 1
- 239000002202 Polyethylene glycol Substances 0.000 description 1
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 150000001408 amides Chemical class 0.000 description 1
- 229910001870 ammonium persulfate Inorganic materials 0.000 description 1
- 239000002956 ash Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 239000012986 chain transfer agent Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000007334 copolymerization reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000412 dendrimer Substances 0.000 description 1
- 229920000736 dendritic polymer Polymers 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- MTHSVFCYNBDYFN-UHFFFAOYSA-N diethylene glycol Chemical compound OCCOCCO MTHSVFCYNBDYFN-UHFFFAOYSA-N 0.000 description 1
- DNJIEGIFACGWOD-UHFFFAOYSA-N ethyl mercaptane Natural products CCS DNJIEGIFACGWOD-UHFFFAOYSA-N 0.000 description 1
- 230000036571 hydration Effects 0.000 description 1
- 238000006703 hydration reaction Methods 0.000 description 1
- 239000003112 inhibitor Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 125000005394 methallyl group Chemical group 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- DGVVJWXRCWCCOD-UHFFFAOYSA-N naphthalene;hydrate Chemical compound O.C1=CC=CC2=CC=CC=C21 DGVVJWXRCWCCOD-UHFFFAOYSA-N 0.000 description 1
- 229920001223 polyethylene glycol Polymers 0.000 description 1
- 230000037048 polymerization activity Effects 0.000 description 1
- 229920000056 polyoxyethylene ether Polymers 0.000 description 1
- 229940051841 polyoxyethylene ether Drugs 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 229910052938 sodium sulfate Inorganic materials 0.000 description 1
- 235000011152 sodium sulphate Nutrition 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 125000000542 sulfonic acid group Chemical group 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- AGGKEGLBGGJEBZ-UHFFFAOYSA-N tetramethylenedisulfotetramine Chemical compound C1N(S2(=O)=O)CN3S(=O)(=O)N1CN2C3 AGGKEGLBGGJEBZ-UHFFFAOYSA-N 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
- DGVVWUTYPXICAM-UHFFFAOYSA-N β‐Mercaptoethanol Chemical compound OCCS DGVVWUTYPXICAM-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
Landscapes
- Macromonomer-Based Addition Polymer (AREA)
Abstract
Description
水泥 | 矿粉 | 粉煤灰 | 河砂 | 碎石 | 水 |
200 | 80 | 70 | 840 | 1030 | 170 |
Claims (8)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202210079508.XA CN114316155B (zh) | 2022-01-24 | 2022-01-24 | 一种树枝状早强型聚羧酸减水剂及其制备方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202210079508.XA CN114316155B (zh) | 2022-01-24 | 2022-01-24 | 一种树枝状早强型聚羧酸减水剂及其制备方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN114316155A true CN114316155A (zh) | 2022-04-12 |
CN114316155B CN114316155B (zh) | 2023-09-12 |
Family
ID=81029341
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202210079508.XA Active CN114316155B (zh) | 2022-01-24 | 2022-01-24 | 一种树枝状早强型聚羧酸减水剂及其制备方法 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN114316155B (zh) |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20130102749A1 (en) * | 2010-12-22 | 2013-04-25 | Jiangsu Subote New Materials Co.; Ltd | Preparation method of hyperbranched polycarboxylic acid type copolymer cement dispersant |
CN104927065A (zh) * | 2015-06-02 | 2015-09-23 | 江苏奥莱特新材料有限公司 | 一种高枝化缓凝型聚羧酸减水剂的制备方法 |
CN106146765A (zh) * | 2016-07-11 | 2016-11-23 | 济南大学 | 一种多支化聚羧酸高效减水剂及其制备方法 |
CN108264619A (zh) * | 2016-12-30 | 2018-07-10 | 江苏苏博特新材料股份有限公司 | 降粘型聚羧酸减水剂的制备方法 |
CN108715625A (zh) * | 2018-06-19 | 2018-10-30 | 广东瑞安科技实业有限公司 | 一种早强型聚羧酸高性能减水剂及其制备方法 |
CN112457490A (zh) * | 2020-10-22 | 2021-03-09 | 上海抚佳精细化工有限公司 | 一种纳米超支化单体、早强型聚羧酸减水剂及制备方法 |
WO2021105188A1 (de) * | 2019-11-29 | 2021-06-03 | Sika Technology Ag | Verzweigte copolymere als dispergiermittel für mineralische bindemittel |
-
2022
- 2022-01-24 CN CN202210079508.XA patent/CN114316155B/zh active Active
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20130102749A1 (en) * | 2010-12-22 | 2013-04-25 | Jiangsu Subote New Materials Co.; Ltd | Preparation method of hyperbranched polycarboxylic acid type copolymer cement dispersant |
CN104927065A (zh) * | 2015-06-02 | 2015-09-23 | 江苏奥莱特新材料有限公司 | 一种高枝化缓凝型聚羧酸减水剂的制备方法 |
CN106146765A (zh) * | 2016-07-11 | 2016-11-23 | 济南大学 | 一种多支化聚羧酸高效减水剂及其制备方法 |
CN108264619A (zh) * | 2016-12-30 | 2018-07-10 | 江苏苏博特新材料股份有限公司 | 降粘型聚羧酸减水剂的制备方法 |
CN108715625A (zh) * | 2018-06-19 | 2018-10-30 | 广东瑞安科技实业有限公司 | 一种早强型聚羧酸高性能减水剂及其制备方法 |
WO2021105188A1 (de) * | 2019-11-29 | 2021-06-03 | Sika Technology Ag | Verzweigte copolymere als dispergiermittel für mineralische bindemittel |
CN112457490A (zh) * | 2020-10-22 | 2021-03-09 | 上海抚佳精细化工有限公司 | 一种纳米超支化单体、早强型聚羧酸减水剂及制备方法 |
Also Published As
Publication number | Publication date |
---|---|
CN114316155B (zh) | 2023-09-12 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN110938176B (zh) | 超长保坍水泥基聚羧酸减水剂母液及其应用 | |
CN102910855B (zh) | 混凝土预制构件用超塑化剂 | |
CN108751785B (zh) | 一种纳米晶种早强剂及其制备方法 | |
CN105924592B (zh) | 一种降粘型聚羧酸系减水剂及其制备方法 | |
CN107474196B (zh) | 小坍落度混凝土用聚羧酸减水剂及其制备方法 | |
CN109369860B (zh) | 缓释可控型聚羧酸减水剂母液及其制备方法 | |
CA2605186A1 (en) | Concrete and mortar admixture | |
CN108192039B (zh) | 一种快硬超早强聚羧酸减水剂及其制备方法 | |
CN109337024B (zh) | 一种缓凝型聚羧酸减水剂的制备方法 | |
CN111592272A (zh) | 一种机制砂混凝土预应力构件用聚羧酸减水剂及其制备方法 | |
CN111548459A (zh) | 一种高保坍型聚羧酸减水剂的制备方法 | |
CN111349199B (zh) | 一种具有核壳结构的稳态聚羧酸超塑化剂及其制备方法 | |
US11505496B2 (en) | Phosphonato block polymer, preparation method therefor and application thereof | |
CN114057425B (zh) | 一种制备聚羧酸纳米晶核型早强减水复合剂的方法 | |
CN114656600A (zh) | 高固含早强型聚羧酸减水剂的制备方法 | |
CN112608423B (zh) | 一种降粘抗泥型聚羧酸减水剂的制备方法 | |
CN113072666B (zh) | 一种高减水型聚羧酸超塑化剂的制备方法及应用 | |
CN102910856B (zh) | 一种混凝土预制构件用超塑化剂 | |
CN114316155A (zh) | 一种树枝状早强型聚羧酸减水剂及其制备方法 | |
CN112142924B (zh) | 一种早强型聚羧酸系高性能减水剂的制备方法 | |
CN111560092B (zh) | 一种酚醛改性耐泥聚羧酸减水剂及其制备方法 | |
CN109776034B (zh) | 一种含有烷基的降粘型减水剂在制备c100混凝土中的用途 | |
CN113121750B (zh) | 一种降粘型聚羧酸减水剂及其制备方法 | |
CN116265500A (zh) | 一种降粘型聚羧酸减水剂及其制备方法 | |
CN114702683A (zh) | 一种超支化聚羧酸系减水剂及其制备方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
GR01 | Patent grant | ||
GR01 | Patent grant | ||
CB03 | Change of inventor or designer information |
Inventor after: Gao Huimin Inventor after: Liu Wenkai Inventor after: Yang Guang Inventor after: Li Xiang Inventor after: Wang Yuan Inventor after: Wang Suping Inventor after: Liu Min Inventor after: Deng Jing Inventor before: Gao Huimin Inventor before: Liu Wenkai Inventor before: Yang Guang Inventor before: Li Xiang Inventor before: Wang Yuan Inventor before: Wang Suping |
|
CB03 | Change of inventor or designer information | ||
TR01 | Transfer of patent right |
Effective date of registration: 20240131 Address after: 430083 Workers'Village Metropolitan Industrial Park, Qingshan District, Wuhan City, Hubei Province Patentee after: WUHAN SANYUAN SPECIAL BUILDING MATERIAL CO.,LTD. Country or region after: China Patentee after: CHINA NUCLEAR POWER ENGINEERING Co.,Ltd. Address before: 430083 Workers'Village Metropolitan Industrial Park, Qingshan District, Wuhan City, Hubei Province Patentee before: WUHAN SANYUAN SPECIAL BUILDING MATERIAL CO.,LTD. Country or region before: China |
|
TR01 | Transfer of patent right |