CN108610455A - 一种混凝土降粘剂及其制备方法 - Google Patents
一种混凝土降粘剂及其制备方法 Download PDFInfo
- Publication number
- CN108610455A CN108610455A CN201810601948.0A CN201810601948A CN108610455A CN 108610455 A CN108610455 A CN 108610455A CN 201810601948 A CN201810601948 A CN 201810601948A CN 108610455 A CN108610455 A CN 108610455A
- Authority
- CN
- China
- Prior art keywords
- concrete
- parts
- mah
- thinner
- added
- 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
- 238000002360 preparation method Methods 0.000 title claims description 13
- 238000006243 chemical reaction Methods 0.000 claims abstract description 35
- 239000007788 liquid Substances 0.000 claims abstract description 25
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 25
- 229920001223 polyethylene glycol Polymers 0.000 claims abstract description 24
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 22
- RFVNOJDQRGSOEL-UHFFFAOYSA-N 2-hydroxyethyl octadecanoate Chemical compound CCCCCCCCCCCCCCCCCC(=O)OCCO RFVNOJDQRGSOEL-UHFFFAOYSA-N 0.000 claims abstract description 20
- 229950007687 macrogol ester Drugs 0.000 claims abstract description 20
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 claims abstract description 20
- 238000010792 warming Methods 0.000 claims abstract description 14
- 239000002202 Polyethylene glycol Substances 0.000 claims abstract description 13
- 239000003054 catalyst Substances 0.000 claims abstract description 13
- 238000003756 stirring Methods 0.000 claims abstract description 8
- OFOBLEOULBTSOW-UHFFFAOYSA-N Propanedioic acid Natural products OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 claims abstract description 7
- 230000032050 esterification Effects 0.000 claims abstract description 7
- 238000005886 esterification reaction Methods 0.000 claims abstract description 7
- 239000011976 maleic acid Substances 0.000 claims abstract description 7
- VZCYOOQTPOCHFL-UPHRSURJSA-N maleic acid group Chemical group C(\C=C/C(=O)O)(=O)O VZCYOOQTPOCHFL-UPHRSURJSA-N 0.000 claims abstract description 7
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 claims abstract description 7
- QIGBRXMKCJKVMJ-UHFFFAOYSA-N Hydroquinone Chemical compound OC1=CC=C(O)C=C1 QIGBRXMKCJKVMJ-UHFFFAOYSA-N 0.000 claims abstract description 6
- 239000000243 solution Substances 0.000 claims description 43
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 36
- 238000002156 mixing Methods 0.000 claims description 14
- 239000003795 chemical substances by application Substances 0.000 claims description 13
- ROOXNKNUYICQNP-UHFFFAOYSA-N ammonium persulfate Chemical group [NH4+].[NH4+].[O-]S(=O)(=O)OOS([O-])(=O)=O ROOXNKNUYICQNP-UHFFFAOYSA-N 0.000 claims description 12
- 239000003999 initiator Substances 0.000 claims description 12
- CHQMHPLRPQMAMX-UHFFFAOYSA-L sodium persulfate Chemical compound [Na+].[Na+].[O-]S(=O)(=O)OOS([O-])(=O)=O CHQMHPLRPQMAMX-UHFFFAOYSA-L 0.000 claims description 12
- 238000003786 synthesis reaction Methods 0.000 claims description 12
- 230000015572 biosynthetic process Effects 0.000 claims description 9
- 229920002582 Polyethylene Glycol 600 Polymers 0.000 claims description 8
- 229920002593 Polyethylene Glycol 800 Polymers 0.000 claims description 8
- 229920002523 polyethylene Glycol 1000 Polymers 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 6
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 6
- KWSLGOVYXMQPPX-UHFFFAOYSA-N 5-[3-(trifluoromethyl)phenyl]-2h-tetrazole Chemical group FC(F)(F)C1=CC=CC(C2=NNN=N2)=C1 KWSLGOVYXMQPPX-UHFFFAOYSA-N 0.000 claims description 6
- DXPPIEDUBFUSEZ-UHFFFAOYSA-N 6-methylheptyl prop-2-enoate Chemical group CC(C)CCCCCOC(=O)C=C DXPPIEDUBFUSEZ-UHFFFAOYSA-N 0.000 claims description 6
- 230000032683 aging Effects 0.000 claims description 6
- 229910001870 ammonium persulfate Inorganic materials 0.000 claims description 6
- 239000011259 mixed solution Substances 0.000 claims description 6
- XWGJFPHUCFXLBL-UHFFFAOYSA-M rongalite Chemical compound [Na+].OCS([O-])=O XWGJFPHUCFXLBL-UHFFFAOYSA-M 0.000 claims description 6
- 229910001379 sodium hypophosphite Inorganic materials 0.000 claims description 6
- JOXIMZWYDAKGHI-UHFFFAOYSA-N toluene-4-sulfonic acid Chemical group CC1=CC=C(S(O)(=O)=O)C=C1 JOXIMZWYDAKGHI-UHFFFAOYSA-N 0.000 claims description 6
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 4
- 239000002253 acid Substances 0.000 claims description 3
- 150000002148 esters Chemical class 0.000 claims description 2
- JHUFGBSGINLPOW-UHFFFAOYSA-N 3-chloro-4-(trifluoromethoxy)benzoyl cyanide Chemical compound FC(F)(F)OC1=CC=C(C(=O)C#N)C=C1Cl JHUFGBSGINLPOW-UHFFFAOYSA-N 0.000 claims 1
- 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 1
- VKEQBMCRQDSRET-UHFFFAOYSA-N Methylone Chemical compound CNC(C)C(=O)C1=CC=C2OCOC2=C1 VKEQBMCRQDSRET-UHFFFAOYSA-N 0.000 claims 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 claims 1
- 150000004968 peroxymonosulfuric acids Chemical class 0.000 claims 1
- 229910052700 potassium Inorganic materials 0.000 claims 1
- 239000011591 potassium Substances 0.000 claims 1
- 229910052708 sodium Inorganic materials 0.000 claims 1
- 239000011734 sodium Substances 0.000 claims 1
- 230000001603 reducing effect Effects 0.000 abstract description 8
- 239000000203 mixture Substances 0.000 abstract description 7
- 238000010276 construction Methods 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 6
- 229920005646 polycarboxylate Polymers 0.000 abstract description 6
- 238000005086 pumping Methods 0.000 abstract description 5
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 abstract description 4
- 239000011230 binding agent Substances 0.000 abstract description 4
- 238000013329 compounding Methods 0.000 abstract description 4
- 230000016615 flocculation Effects 0.000 abstract description 4
- 238000005189 flocculation Methods 0.000 abstract description 4
- 229910052710 silicon Inorganic materials 0.000 abstract description 4
- 239000010703 silicon Substances 0.000 abstract description 4
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 12
- GEHJYWRUCIMESM-UHFFFAOYSA-L sodium sulfite Chemical compound [Na+].[Na+].[O-]S([O-])=O GEHJYWRUCIMESM-UHFFFAOYSA-L 0.000 description 10
- 239000000463 material Substances 0.000 description 6
- JPAOMENBKRZQDR-UHFFFAOYSA-N CC=CC.[Na] Chemical compound CC=CC.[Na] JPAOMENBKRZQDR-UHFFFAOYSA-N 0.000 description 5
- USHAGKDGDHPEEY-UHFFFAOYSA-L potassium persulfate Chemical compound [K+].[K+].[O-]S(=O)(=O)OOS([O-])(=O)=O USHAGKDGDHPEEY-UHFFFAOYSA-L 0.000 description 5
- 235000019394 potassium persulphate Nutrition 0.000 description 5
- 235000010265 sodium sulphite Nutrition 0.000 description 5
- BDHFUVZGWQCTTF-UHFFFAOYSA-M sulfonate Chemical compound [O-]S(=O)=O BDHFUVZGWQCTTF-UHFFFAOYSA-M 0.000 description 5
- 238000012360 testing method Methods 0.000 description 5
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 4
- 239000002956 ash Substances 0.000 description 3
- 230000015271 coagulation Effects 0.000 description 3
- 238000005345 coagulation Methods 0.000 description 3
- 238000010348 incorporation Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000000843 powder Substances 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- 239000002689 soil Substances 0.000 description 3
- 239000004568 cement Substances 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 239000013068 control sample Substances 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000000523 sample Substances 0.000 description 2
- 229920002535 Polyethylene Glycol 1500 Polymers 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000740 bleeding effect Effects 0.000 description 1
- 230000001112 coagulating effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000003467 diminishing effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000003311 flocculating effect Effects 0.000 description 1
- 239000010881 fly ash Substances 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000000979 retarding effect Effects 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 239000004034 viscosity adjusting agent Substances 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
- C08F283/00—Macromolecular compounds obtained by polymerising monomers on to polymers provided for in subclass C08G
- C08F283/06—Macromolecular compounds obtained by polymerising monomers on to polymers provided for in subclass C08G on to polyethers, polyoxymethylenes or polyacetals
- C08F283/065—Macromolecular compounds obtained by polymerising monomers on to polymers provided for in subclass C08G on to polyethers, polyoxymethylenes or polyacetals on to unsaturated polyethers, polyoxymethylenes or polyacetals
-
- 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
- C04B24/2694—Copolymers containing at least three different monomers containing polyether side chains
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
Description
水泥 | 粉煤灰 | 矿粉 | 机制砂 | 石子 | 水 | 减水剂 |
440 | 40 | 60 | 926 | 814 | 150 | 15 |
Claims (8)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201810601948.0A CN108610455B (zh) | 2018-06-12 | 2018-06-12 | 一种混凝土降粘剂及其制备方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201810601948.0A CN108610455B (zh) | 2018-06-12 | 2018-06-12 | 一种混凝土降粘剂及其制备方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN108610455A true CN108610455A (zh) | 2018-10-02 |
CN108610455B CN108610455B (zh) | 2020-07-10 |
Family
ID=63665114
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201810601948.0A Active CN108610455B (zh) | 2018-06-12 | 2018-06-12 | 一种混凝土降粘剂及其制备方法 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN108610455B (zh) |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112479623A (zh) * | 2020-11-30 | 2021-03-12 | 亚泰集团长春建材有限公司 | 一种降粘型混凝土外加剂及其制备方法 |
CN112608479A (zh) * | 2019-11-14 | 2021-04-06 | 科之杰新材料集团(贵州)有限公司 | 一种低粘改性剂 |
CN113278144A (zh) * | 2021-05-12 | 2021-08-20 | 北京金隅水泥节能科技有限公司 | 一种降粘型聚羧酸类减水剂及其制备方法 |
CN114634589A (zh) * | 2021-12-30 | 2022-06-17 | 云南森博混凝土外加剂有限公司 | 一种混凝土保水降粘剂及其制备方法 |
CN114634332A (zh) * | 2022-03-22 | 2022-06-17 | 长治市武理工工程技术研究院 | 一种水泥固硫灰采空区注浆充填材料及制备方法与应用 |
CN114988740A (zh) * | 2022-07-06 | 2022-09-02 | 重庆国浩永固新型建材有限公司 | 一种抗泥掺合料及其制备方法和应用 |
CN115449231A (zh) * | 2022-09-30 | 2022-12-09 | 中路交科科技股份有限公司 | 一种高韧性不粘轮乳化沥青及制备方法 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002265511A (ja) * | 2001-03-14 | 2002-09-18 | Nippon Kayaku Co Ltd | ポリアクリル酸部分中和物の製造法及び該中和物を使用した貼付剤 |
CN1775824A (zh) * | 2005-12-06 | 2006-05-24 | 河北工业大学 | 一种水溶性c9石油树脂及其制备方法和应用 |
CN104230203A (zh) * | 2014-09-11 | 2014-12-24 | 北京东方雨虹防水技术股份有限公司 | 一种超缓释型聚羧酸保坍剂及其制备方法 |
-
2018
- 2018-06-12 CN CN201810601948.0A patent/CN108610455B/zh active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002265511A (ja) * | 2001-03-14 | 2002-09-18 | Nippon Kayaku Co Ltd | ポリアクリル酸部分中和物の製造法及び該中和物を使用した貼付剤 |
CN1775824A (zh) * | 2005-12-06 | 2006-05-24 | 河北工业大学 | 一种水溶性c9石油树脂及其制备方法和应用 |
CN104230203A (zh) * | 2014-09-11 | 2014-12-24 | 北京东方雨虹防水技术股份有限公司 | 一种超缓释型聚羧酸保坍剂及其制备方法 |
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112608479A (zh) * | 2019-11-14 | 2021-04-06 | 科之杰新材料集团(贵州)有限公司 | 一种低粘改性剂 |
CN112608479B (zh) * | 2019-11-14 | 2022-04-15 | 科之杰新材料集团(贵州)有限公司 | 一种低粘改性剂 |
CN112479623A (zh) * | 2020-11-30 | 2021-03-12 | 亚泰集团长春建材有限公司 | 一种降粘型混凝土外加剂及其制备方法 |
CN113278144A (zh) * | 2021-05-12 | 2021-08-20 | 北京金隅水泥节能科技有限公司 | 一种降粘型聚羧酸类减水剂及其制备方法 |
CN114634589A (zh) * | 2021-12-30 | 2022-06-17 | 云南森博混凝土外加剂有限公司 | 一种混凝土保水降粘剂及其制备方法 |
CN114634332A (zh) * | 2022-03-22 | 2022-06-17 | 长治市武理工工程技术研究院 | 一种水泥固硫灰采空区注浆充填材料及制备方法与应用 |
CN114988740A (zh) * | 2022-07-06 | 2022-09-02 | 重庆国浩永固新型建材有限公司 | 一种抗泥掺合料及其制备方法和应用 |
CN114988740B (zh) * | 2022-07-06 | 2023-08-22 | 重庆国浩永固新型建材有限公司 | 一种抗泥掺合料及其制备方法和应用 |
CN115449231A (zh) * | 2022-09-30 | 2022-12-09 | 中路交科科技股份有限公司 | 一种高韧性不粘轮乳化沥青及制备方法 |
CN115449231B (zh) * | 2022-09-30 | 2023-09-12 | 中路交科科技股份有限公司 | 一种高韧性不粘轮乳化沥青及制备方法 |
Also Published As
Publication number | Publication date |
---|---|
CN108610455B (zh) | 2020-07-10 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN108610455A (zh) | 一种混凝土降粘剂及其制备方法 | |
TWI253953B (en) | Dispersants | |
CN109312032A (zh) | 一种掺量低敏感型聚羧酸的快速低温制备方法 | |
CN109369860B (zh) | 缓释可控型聚羧酸减水剂母液及其制备方法 | |
CN109608594A (zh) | 一种早强型聚羧酸减水剂及其制备方法 | |
CN108409193B (zh) | 一种机制砂c120超高强混凝土聚羧酸外加剂及其制备方法 | |
CN106279561B (zh) | 一种用于高性能混凝土的降粘型聚羧酸系减水剂 | |
CN106904867B (zh) | 一种含壳聚糖磺酸钠的混凝土增效剂及其制备方法 | |
CN103755895B (zh) | 一种聚羧酸高性能减水剂及其制备方法 | |
CN110358026B (zh) | 一种降粘型聚羧酸减水剂及其制备方法 | |
CN108467215A (zh) | 一种用于建筑混凝土的纳米c-s-h晶种早强剂及制备方法 | |
CN106397683B (zh) | 一种降低高标号混凝土粘度的聚羧酸减水剂及其制备方法 | |
CN109880020B (zh) | 一种混凝土和易性调节剂及其制备方法 | |
CN106279705B (zh) | 一种木质素抗泥牺牲剂及其制备方法和在混凝土中的应用 | |
CN105199054B (zh) | 一种保坍型聚羧酸系减水剂的合成工艺 | |
CN109650794A (zh) | 一种低坍落度损失混凝土及其制备方法 | |
CN105924592A (zh) | 一种降粘型聚羧酸系减水剂及其制备方法 | |
CN106431047B (zh) | 聚羧酸减水剂用触变剂、触变型聚羧酸减水剂及其应用 | |
CN109809739B (zh) | 一种用于混凝土复合细骨料的功能调节剂及其制备方法 | |
CN110526613A (zh) | 一种铝模专用超细砂泵送混凝土聚羧酸减水剂 | |
CN104692701A (zh) | 一种常温合成型聚羧酸系高性能减水剂及制备方法 | |
CN110746553A (zh) | 一种低收缩、降粘型聚羧酸减水剂及其制备方法和应用 | |
CN104150807A (zh) | 一种预应力高强混凝土管桩用聚羧酸减水剂及其应用 | |
CN108070059B (zh) | 一种高和易性聚羧酸系减水剂、其制备方法和使用方法 | |
CN107555828A (zh) | 一种高强度混凝土用降粘剂 |
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 | ||
CP03 | Change of name, title or address |
Address after: 550000 No.7, Gaoyue street, shawen ecological science and Technology Industrial Park, Guiyang National High tech Industrial Development Zone, Guiyang City, Guizhou Province Patentee after: Guizhou shiboshi Technology Co.,Ltd. Address before: 550000 Jinyang science and Technology Industrial Park Venture Building, Guiyang National High tech Industrial Development Zone, Guiyang City, Guizhou Province Patentee before: GUIZHOU DR.SHI TECHNOLOGY Ltd. |
|
CP03 | Change of name, title or address | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: The invention relates to a concrete viscosity reducing agent and a preparation method thereof Effective date of registration: 20220308 Granted publication date: 20200710 Pledgee: Guiyang Jinyang sub branch of China Construction Bank Co.,Ltd. Pledgor: Guizhou shiboshi Technology Co.,Ltd. Registration number: Y2022520000011 |
|
PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20220420 Granted publication date: 20200710 Pledgee: Guiyang Jinyang sub branch of China Construction Bank Co.,Ltd. Pledgor: Guizhou shiboshi Technology Co.,Ltd. Registration number: Y2022520000011 |
|
PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: The invention relates to a concrete viscosity reducing agent and a preparation method thereof Effective date of registration: 20220422 Granted publication date: 20200710 Pledgee: Guiyang Jinyang sub branch of China Construction Bank Co.,Ltd. Pledgor: Guizhou shiboshi Technology Co.,Ltd. Registration number: Y2022520000020 |
|
PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20231211 Granted publication date: 20200710 Pledgee: Guiyang Jinyang sub branch of China Construction Bank Co.,Ltd. Pledgor: Guizhou shiboshi Technology Co.,Ltd. Registration number: Y2022520000020 |
|
PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A concrete viscosity reducer and its preparation method Granted publication date: 20200710 Pledgee: Guiyang Jinyang sub branch of China Construction Bank Co.,Ltd. Pledgor: Guizhou shiboshi Technology Co.,Ltd. Registration number: Y2024980001377 |
|
PE01 | Entry into force of the registration of the contract for pledge of patent right |