CN102249591A - Composite polycarboxylic acid water reducing agent - Google Patents
Composite polycarboxylic acid water reducing agent Download PDFInfo
- Publication number
- CN102249591A CN102249591A CN201110147891XA CN201110147891A CN102249591A CN 102249591 A CN102249591 A CN 102249591A CN 201110147891X A CN201110147891X A CN 201110147891XA CN 201110147891 A CN201110147891 A CN 201110147891A CN 102249591 A CN102249591 A CN 102249591A
- Authority
- CN
- China
- Prior art keywords
- reducing agent
- retardant
- water
- reducer
- water reducing
- 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
Links
Abstract
The invention belongs to the technical field of concrete additives, in particular relates to a water reducing agent, and more particularly a composite polycarboxylic acid water reducing agent. The composite polycarboxylic acid water reducing agent is characterized by being prepared from the following components in percentage by mass: 8-28.6 percent of polycarboxylic acid high-performance water reducing agent, 0.5-7.36 percent of inhibiting agent, 0.001-0.15 percent of functional aid, 0.01-0.65 percent of preservative and the balance of water, wherein the total mass percentage of the components is 100 percent. The composite polycarboxylic acid water reducing agent is applied to freshly mixed concrete. After a template coated with waste engine oil or rosinate soap is dismantled, the surface of hardened concrete is smooth, air bubbles are reduced remarkably, and the construction requirement is fully met. By adopting the composite polycarboxylic acid water reducing agent, the problem of a large quantity of air bubbles on the surface of concrete, produced after the use of demolding agents such as waste engine oil or rosinate soap and the like is solved.
Description
Technical field
The invention belongs to the concrete additive technical field, be specifically related to a kind of water reducer.
Background technology
Be accompanied by the construction of China's large-scale basis facility; and high-speed railway and high level, high-rise building are more and more; requirement to cement water reducing agent is also more and more higher; especially some mega-construction projects are higher to apparent requirement, and polycarboxylate water-reducer is used widely owing to have the incomparable superiority of traditional water reducer.Polycarboxylate water-reducer has more active group, the molecular structure degree of freedom is big, water-reducing rate is high and with different cement relatively better consistency is arranged, even when low-dosage, poly carboxylic acid series water reducer can make concrete have high workability, and when low water-cement ratio, have the low viscosity and the slump and keep performance, so its application is very fast.
Owing to need template to fix before the concrete formation, influence concrete outward appearance in order to prevent that concrete and template surface are bonding mutually, keep concrete appearance to stand intact, often be coated with the releasing agent of last layer hydrophobic nature at template surface.Find that in engineering practice a lot of projects reduce cost in order to save resource, in construction process, often use used oil or the brushing of rosined soap class releasing agent on template.When the water reducer that is mixed with poly-carboxylic high-performance with after these materials contact and cause some chemical reactions.Because high performance water reducing agent of polyocarboxy acid belongs to polymer substance, contain some unreacted active small moleculars, then contain a lot of organic substances in used oil and the releasing agent, these materials be easy to and polycarboxylate water-reducer in the active small molecular react with and generate new material and be bonded between template and the concrete surface, after being mixed with the concrete hardening form removal of high performance water reducing agent of polyocarboxy acid, cause concrete surface that many close and numerous tiny bubbles are arranged on the one hand, on the other hand during form removal owing to bonding makes concrete surface coarse, have a strong impact on outward appearance, limited applying of polycarboxylate water-reducer greatly.
Because time of domestic and international application poly carboxylic acid is not very long, especially in temperature higher season, the bubble of concrete surface is more obvious, and yet there are no relevant patent and document has good terms of settlement to this all the time.
Summary of the invention
The object of the present invention is to provide a kind of compound polycarboxylate water-reducer, this compound polycarboxylate water-reducer problem to be solved is: the more difficult problem of concrete surface bubble behind use used oil or the rosined soap class releasing agent.
Technical scheme of the present invention is: compound polycarboxylate water-reducer, it is characterized in that: it is prepared from by high performance water reducing agent of polyocarboxy acid, retardant, functional agent, sanitas and water, the shared mass percent of each component is: high performance water reducing agent of polyocarboxy acid 8-28.6%, retardant 0.5-7.36%, functional agent 0.001-0.15%, sanitas 0.01-0.65%, water are surplus, and the shared mass percent sum of each component is 100%.Wherein high performance water reducing agent of polyocarboxy acid is the effective constituent (being that 8-28.6% is the quality solid content of high performance water reducing agent of polyocarboxy acid) of conversion pulvis (being solid content).
Described high performance water reducing agent of polyocarboxy acid is any one or any mixing that (contains two kinds) more than two kinds in modified polyether class polycarboxylate water-reducer, ester class polycarboxylate water-reducer, the maleic anhydride class polycarboxylate water-reducer, and any is any proportioning when (containing two kinds) more than two kinds and mixing.
Described high performance water reducing agent of polyocarboxy acid refers to shown in general formula (1) or the general formula (2), or general formula (1) and both mixing of general formula (2) (being any proportioning),
Wherein, R
1Be CH
3Or H, R
2Be H, CH
3Or the alkyl of C1-C4, R
3Be CH
3, R
4And R
5Be hydrogen atom or C
1-C
4Alkyl, X are the alkyl or the carbonyl of 1-3 carbon atom, and M is H, monovalent metallic ion, divalent-metal ion, ammonium or organic amino group, and a, b, c are the chain number of multipolymer repeating unit, and n is the average mol of polyethylene oxide chain, and it is worth at 9-50.
Described retardant is the mixing of any one or two kinds in organic class retardant, the mineral-type retardant, and two kinds is any proportioning when mixing; Wherein organic class retardant is: Sunmorl N 60S, Trisodium Citrate, sodium tartrate or white sugar etc., described mineral-type retardant is: borax, tripoly phosphate sodium STPP, trisodium phosphate or sodium polyphosphate etc.The preferred retardant of the present invention is a kind of organic class retardant and the mixing of a kind of mineral-type retardant, and the mass ratio of organic class retardant and mineral-type retardant is 1: 1-3: 1.
Described functional agent is: the mixture of glycol polypropylene ether and polypropylene propylene glycol, this mixture can be any proportionings, and the mass ratio of preferred glycol polypropylene ether of the present invention and polypropylene propylene glycol is 1: 2-3: 1.
Described sanitas is: paraben preservative.
The preparation method of above-mentioned polycarboxylate composite water reducing agent is characterized in that it comprises the steps:
(1) by the shared mass percent of each component be: high performance water reducing agent of polyocarboxy acid 8-28.6%, retardant 0.5-7.36%, functional agent 0.001-0.15%, sanitas 0.01-0.65%, water are surplus, the shared mass percent sum of each component is 100%, choose high performance water reducing agent of polyocarboxy acid, retardant, functional agent, sanitas and water, standby;
(2) high performance water reducing agent of polyocarboxy acid, retardant, functional agent, sanitas and water are placed on together in the stirred autoclave and stirred 10-30 minute, obtain compound polycarboxylate water-reducer.
The invention has the beneficial effects as follows: compound polycarboxylate water-reducer of the present invention can be used for preparing the various strength grade concrete that ultimate compression strength is 20～80/Mpa, and every performance index all are up to state standards.Compared with prior art, adopt compound polycarboxylate water-reducer of the present invention to prepare concrete, water-reducing rate is higher, has all surpassed more than 25%, and concrete 's air-containing is lower, and workability is better, no segregation, bleeding, secretes the black wash phenomenon, and pumping construction is good.Be applied in the fresh concrete, scribble the template of used oil or rosined soap class in dismounting after, the concrete surface after the sclerosis is smooth, bubble obviously reduces, and satisfies construction requirement fully.The invention solves the more difficult problem of concrete surface bubble behind the releasing agents such as using used oil or rosined soap class.
Embodiment
For production method of the present invention is described better, further describe the present invention below by specific examples, but the present invention includes and the non-following examples that only limit to.
In the Application Example of the present invention, used cement be China newly P.042.5, breeze is the S95 level, flyash is the secondary ash, the fineness modulus of river sand is 2.7 medium sand, rubble is the stone of 5-31.5mm continuous grading.
Concrete water-reducing rate, air content, the slump, divergence and ultimate compression strength are all carried out according to relating operation among GB8076-2008 and the GB50081-2002.
Embodiment 1:
In the 1000L reactor, drop into modified polyether class high performance water reducing agent of polyocarboxy acid (solid content 40% successively, the zj-ss-01 polycarboxylate water-reducer that admixture factory of Commercial Concrete Co., Ltd.Of China Construction Third Engineering Bureau produces) 200kg, Sunmorl N 60S 30kg, functional agent 0.1kg (glycol polypropylene ether 0.04kg, polypropylene propylene glycol 0.06kg), paraben preservative (Southern Yangze University Biotech, Sodium Methyl Hydroxybenzoate) 1.5kg, tap water 768kg, stir and made it be dissolved into homogeneous solution in about 20 minutes, the strength of solution of its preparation is that 11.16% (solid content) obtains polycarboxylate composite water reducing agent 1#.
Embodiment 2:
In the 1000L reactor, drop into ester class high performance water reducing agent of polyocarboxy acid (solid content 20% successively, the zj-ss-02 polycarboxylate water-reducer that admixture factory of Commercial Concrete Co., Ltd.Of China Construction Third Engineering Bureau produces) 400kg, sodium tartrate 30kg, tripoly phosphate sodium STPP 20kg, functional agent 1kg (glycol polypropylene ether 0.75kg, polypropylene propylene glycol 0.25kg), paraben preservative (Southern Yangze University Biotech, Sodium Methyl Hydroxybenzoate) 2.0kg, tap water 547kg, stir and made it be dissolved into homogeneous solution in about 20 minutes, the strength of solution of its preparation is 13.3% (solid content), obtains polycarboxylate composite water reducing agent 2#.
Embodiment 3:
In the 1000L reactor, drop into maleic anhydride class high performance water reducing agent of polyocarboxy acid (solid content 40% successively, the zj-ss-03 polycarboxylate water-reducer that admixture factory of Commercial Concrete Co., Ltd.Of China Construction Third Engineering Bureau produces) 200kg, Trisodium Citrate 26kg, borax 4kg, functional agent 0.03kg (glycol polypropylene ether 0.01kg, polypropylene propylene glycol 0.02kg), paraben preservative 1.5kg, tap water 790kg, stir and made it be dissolved into homogeneous solution in about 20 minutes, the strength of solution of its preparation is 11.15% (quality), obtains polycarboxylate composite water reducing agent 3#.
Embodiment 4:
In the 1000L reactor, drop into modified polyether class high performance water reducing agent of polyocarboxy acid (solid content 40% successively, the zj-ss-01 polycarboxylate water-reducer that admixture factory of Commercial Concrete Co., Ltd.Of China Construction Third Engineering Bureau produces) 200kg, Trisodium Citrate 10kg, trisodium phosphate 10kg, functional agent 0.2kg (glycol polypropylene ether 0.15kg, polypropylene propylene glycol 0.05kg), paraben preservative 1.0kg, tap water 779kg, stir and made it be dissolved into homogeneous solution in about 20 minutes, the strength of solution of its preparation is 10.12% (quality), obtains polycarboxylate composite water reducing agent 4#.
Embodiment 5:
In the 1000L reactor, drop into ester class polycarboxylate water-reducer (solid content 20% successively, the zj-ss-02 polycarboxylate water-reducer that admixture factory of Commercial Concrete Co., Ltd.Of China Construction Third Engineering Bureau produces) 200kg, modified polyether class polycarboxylate water-reducer (solid content 40%, the zj-ss-01 polycarboxylate water-reducer that admixture factory of Commercial Concrete Co., Ltd.Of China Construction Third Engineering Bureau produces) 100kg, Trisodium Citrate 25kg, Sunmorl N 60S 25kg, functional agent 0.001kg (glycol polypropylene ether 0.0005kg, polypropylene propylene glycol 0.0005kg), paraben preservative 0.1kg, tap water 649kg, stir and made it be dissolved into homogeneous solution in about 10 minutes, the strength of solution of its preparation is 13.01% (quality), obtains polycarboxylate composite water reducing agent 5#.
Embodiment 6:
In the 1000L reactor, drop into modified polyether class polycarboxylate water-reducer (solid content 40% successively, the zj-ss-01 polycarboxylate water-reducer that admixture factory of Commercial Concrete Co., Ltd.Of China Construction Third Engineering Bureau produces) 100kg, maleic anhydride class high performance water reducing agent of polyocarboxy acid (solid content 40%, the zj-ss-03 polycarboxylate water-reducer that admixture factory of Commercial Concrete Co., Ltd.Of China Construction Third Engineering Bureau produces) 100kg, white sugar 15kg, Sunmorl N 60S 20kg, functional agent 0.15kg (glycol polypropylene ether 0.1kg, polypropylene propylene glycol 0.5kg), paraben preservative 0.65kg, tap water 764kg, stir and made it be dissolved into homogeneous solution in about 30 minutes, the strength of solution of its preparation is 11.58% (quality), obtains polycarboxylate composite water reducing agent 6#.
Embodiment 7:
In reactor, drop into modified polyether class high performance water reducing agent of polyocarboxy acid (solid content 40% successively, the zj-ss-01 polycarboxylate water-reducer that admixture factory of Commercial Concrete Co., Ltd.Of China Construction Third Engineering Bureau produces) 200kg, Sunmorl N 60S 5kg, functional agent 0.01kg (glycol polypropylene ether 0.004kg, polypropylene propylene glycol 0.006kg), paraben preservative (Southern Yangze University Biotech, Sodium Methyl Hydroxybenzoate) 0.1kg, tap water 914.89kg, stir and made it be dissolved into homogeneous solution in 20 minutes, obtain polycarboxylate composite water reducing agent 7#.
Embodiment 8:
In reactor, drop into modified polyether class high performance water reducing agent of polyocarboxy acid (solid content 40% successively, the zj-ss-01 polycarboxylate water-reducer that admixture factory of Commercial Concrete Co., Ltd.Of China Construction Third Engineering Bureau produces) 715kg, Sunmorl N 60S 73.6kg, functional agent 1.5kg (glycol polypropylene ether 1.00kg, polypropylene propylene glycol 0.5kg), paraben preservative (Southern Yangze University Biotech, Sodium Methyl Hydroxybenzoate) 6.5kg, tap water 632.4kg, stir and made it be dissolved into homogeneous solution in about 20 minutes, obtain polycarboxylate composite water reducing agent 8#.
The compound polycarboxylate water-reducer of embodiment 1-8 preparation is respectively applied in the production of commerical ready-mixed concrete, its preparation method is: material fiting ratio is: cement: breeze: flyash: water: river sand: rubble: admixture=1.0: 0.38: 0.43: 0.71: 3.78: 5.10: 0.0009, and compound polycarboxylate water-reducer volume of the present invention is 1.7% (liquid) of total gelling material.Concrete strength grade is C40.
Its detected result such as table 1.
The polycarboxylate composite water reducing agent 5# of detected result: embodiment 5, appearance: bubble is less, smooth surface.The polycarboxylate composite water reducing agent 6# of embodiment 6, appearance: bubble is less, smooth surface.The polycarboxylate composite water reducing agent 5# of embodiment 7, appearance: bubble is less, smooth surface.The polycarboxylate composite water reducing agent 6# of embodiment 8, appearance: bubble is less, smooth surface.
Each raw material that the present invention is cited, and the bound of each raw material of the present invention, interval value, and the bound of processing parameter (as temperature, time etc.), interval value can both realize the present invention, do not enumerate embodiment one by one at this.
Claims (9)
1. compound polycarboxylate water-reducer, it is characterized in that: it is prepared from by high performance water reducing agent of polyocarboxy acid, retardant, functional agent, sanitas and water, the shared mass percent of each component is: high performance water reducing agent of polyocarboxy acid 8-28.6%, retardant 0.5-7.36%, functional agent 0.001-0.15%, sanitas 0.01-0.65%, water are surplus, and the shared mass percent sum of each component is 100%.
2. compound polycarboxylate water-reducer according to claim 1 is characterized in that: described high performance water reducing agent of polyocarboxy acid refers to shown in general formula (1) or the general formula (2), perhaps both mixing,
Wherein, R
1Be CH
3Or H, R
2Be the alkyl of H or C1-C4, R
3Be CH
3, R
4And R
5Be hydrogen atom or C
1-C
4Alkyl, X are the alkyl or the carbonyl of 1-3 carbon atom, and M is H, monovalent metallic ion, divalent-metal ion, ammonium or organic amino group, and a, b, c are the chain number of multipolymer repeating unit, and n is the average mol of polyethylene oxide chain, and it is worth at 9-50.
3. compound polycarboxylate water-reducer according to claim 1, it is characterized in that: described retardant is the mixing of any one or two kinds in organic class retardant, the mineral-type retardant, during two kinds mixing, the mass ratio of organic class retardant and mineral-type retardant is any proportioning.
4. compound polycarboxylate water-reducer according to claim 3 is characterized in that: the mass ratio of described organic class retardant and mineral-type retardant is 1: 1-3: 1.
5. according to claim 3 or 4 described compound polycarboxylate water-reducers, it is characterized in that: described organic class retardant is Sunmorl N 60S, Trisodium Citrate, sodium tartrate or white sugar; Described mineral-type retardant is borax, tripoly phosphate sodium STPP, trisodium phosphate or sodium polyphosphate.
6. compound polycarboxylate water-reducer according to claim 1 is characterized in that: described functional agent is the mixture of glycol polypropylene ether and polypropylene propylene glycol, and its mass ratio is any proportioning.
7. compound polycarboxylate water-reducer according to claim 6 is characterized in that: the mass ratio of described glycol polypropylene ether and polypropylene propylene glycol is 1: 2-3: 1.
8. compound polycarboxylate water-reducer according to claim 1 is characterized in that: described sanitas is a parabens.
9. compound polycarboxylate water-reducer according to claim 1 and 2, it is characterized in that: described high performance water reducing agent of polyocarboxy acid is any one or any mixing more than two kinds in modified polyether class polycarboxylate water-reducer, ester class polycarboxylate water-reducer, the maleic anhydride class polycarboxylate water-reducer, and any is any proportioning when mixing more than two kinds.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110147891XA CN102249591A (en) | 2011-06-03 | 2011-06-03 | Composite polycarboxylic acid water reducing agent |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110147891XA CN102249591A (en) | 2011-06-03 | 2011-06-03 | Composite polycarboxylic acid water reducing agent |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102249591A true CN102249591A (en) | 2011-11-23 |
Family
ID=44977216
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110147891XA Pending CN102249591A (en) | 2011-06-03 | 2011-06-03 | Composite polycarboxylic acid water reducing agent |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102249591A (en) |
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102786255A (en) * | 2012-07-17 | 2012-11-21 | 中科院广州化学有限公司 | Water-based mortar modifier, its preparation method and application |
| CN103011661A (en) * | 2012-12-30 | 2013-04-03 | 中建商品混凝土有限公司 | Preservative for polycarboxylate water reducer |
| CN103011659A (en) * | 2012-12-21 | 2013-04-03 | 江西迪特科技有限公司 | Super retarding high-performance water reducer |
| CN103539382A (en) * | 2012-07-12 | 2014-01-29 | 宁波市中达利建材科技有限公司 | Polycarboxylate superplasticizer |
| CN103613309A (en) * | 2013-11-08 | 2014-03-05 | 安徽省阜南绿原化工有限公司 | Polycarboxylate water reducing agent for concrete |
| CN105036590A (en) * | 2015-07-20 | 2015-11-11 | 苏州市兴邦化学建材有限公司 | Modified polycarboxylate powder superplasticizer dedicated to flowable mortar |
| CN105314919A (en) * | 2015-11-26 | 2016-02-10 | 广州浪淘砂建材有限公司 | Water reducing agent used for conducting wet mixing on cement mortar |
| WO2016082060A1 (en) * | 2014-11-28 | 2016-06-02 | 苏笮斌 | Tk-jh mineral interface active material, and preparation method and use method therefor |
| CN105936592A (en) * | 2016-04-15 | 2016-09-14 | 马清浩 | Cement-based self-leveling mortar for ground and preparation method thereof |
| CN109906210A (en) * | 2016-10-31 | 2019-06-18 | 巴斯夫欧洲公司 | Additive for architectural chemistry composition |
| CN110128048A (en) * | 2019-05-24 | 2019-08-16 | 江苏万邦新材料科技有限公司 | A kind of summer protects the polycarboxylate water-reducer and preparation method thereof that collapses with anti-corrosion |
| CN110255953A (en) * | 2019-06-21 | 2019-09-20 | 深圳市振惠通混凝土有限公司 | A kind of poly carboxylic acid series water reducer and the preparation method and application thereof |
| CN111620592A (en) * | 2020-06-10 | 2020-09-04 | 山西黄腾化工有限公司 | Adaptive comprehensive liquid polycarboxylate superplasticizer |
| CN113277807A (en) * | 2021-06-25 | 2021-08-20 | 北京建工新型建材有限责任公司 | Super-retarding concrete for pile foundation and preparation method thereof |
| CN113387607A (en) * | 2021-06-07 | 2021-09-14 | 广西交建工程检测咨询有限公司 | Novel retarding high-performance water reducing agent and preparation method thereof |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101798199A (en) * | 2010-02-05 | 2010-08-11 | 中建商品混凝土有限公司 | Polycarboxylate composite water reducing agent suitable for low-cementitious material concrete and preparation method thereof |
-
2011
- 2011-06-03 CN CN201110147891XA patent/CN102249591A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101798199A (en) * | 2010-02-05 | 2010-08-11 | 中建商品混凝土有限公司 | Polycarboxylate composite water reducing agent suitable for low-cementitious material concrete and preparation method thereof |
Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103539382A (en) * | 2012-07-12 | 2014-01-29 | 宁波市中达利建材科技有限公司 | Polycarboxylate superplasticizer |
| CN102786255A (en) * | 2012-07-17 | 2012-11-21 | 中科院广州化学有限公司 | Water-based mortar modifier, its preparation method and application |
| CN103011659A (en) * | 2012-12-21 | 2013-04-03 | 江西迪特科技有限公司 | Super retarding high-performance water reducer |
| CN103011661A (en) * | 2012-12-30 | 2013-04-03 | 中建商品混凝土有限公司 | Preservative for polycarboxylate water reducer |
| CN103011661B (en) * | 2012-12-30 | 2014-07-02 | 中建商品混凝土有限公司 | Preservative for polycarboxylate water reducer |
| CN103613309A (en) * | 2013-11-08 | 2014-03-05 | 安徽省阜南绿原化工有限公司 | Polycarboxylate water reducing agent for concrete |
| WO2016082060A1 (en) * | 2014-11-28 | 2016-06-02 | 苏笮斌 | Tk-jh mineral interface active material, and preparation method and use method therefor |
| CN105036590A (en) * | 2015-07-20 | 2015-11-11 | 苏州市兴邦化学建材有限公司 | Modified polycarboxylate powder superplasticizer dedicated to flowable mortar |
| CN105314919A (en) * | 2015-11-26 | 2016-02-10 | 广州浪淘砂建材有限公司 | Water reducing agent used for conducting wet mixing on cement mortar |
| CN105936592A (en) * | 2016-04-15 | 2016-09-14 | 马清浩 | Cement-based self-leveling mortar for ground and preparation method thereof |
| CN105936592B (en) * | 2016-04-15 | 2019-01-04 | 马清浩 | A kind of ground cement-based self-leveling mortar and preparation method thereof |
| CN109906210A (en) * | 2016-10-31 | 2019-06-18 | 巴斯夫欧洲公司 | Additive for architectural chemistry composition |
| CN109906210B (en) * | 2016-10-31 | 2022-03-08 | 巴斯夫欧洲公司 | Additive for construction chemical compositions |
| CN110128048A (en) * | 2019-05-24 | 2019-08-16 | 江苏万邦新材料科技有限公司 | A kind of summer protects the polycarboxylate water-reducer and preparation method thereof that collapses with anti-corrosion |
| CN110255953A (en) * | 2019-06-21 | 2019-09-20 | 深圳市振惠通混凝土有限公司 | A kind of poly carboxylic acid series water reducer and the preparation method and application thereof |
| CN111620592A (en) * | 2020-06-10 | 2020-09-04 | 山西黄腾化工有限公司 | Adaptive comprehensive liquid polycarboxylate superplasticizer |
| CN113387607A (en) * | 2021-06-07 | 2021-09-14 | 广西交建工程检测咨询有限公司 | Novel retarding high-performance water reducing agent and preparation method thereof |
| CN113277807A (en) * | 2021-06-25 | 2021-08-20 | 北京建工新型建材有限责任公司 | Super-retarding concrete for pile foundation and preparation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102249591A (en) | Composite polycarboxylic acid water reducing agent | |
| CN102167547B (en) | Cementitious capillary crystalline waterproof material capable of quickly repairing cracks | |
| CN114685083B (en) | Polycarboxylate superplasticizer for sleeve grouting material for prefabricated part, grouting material thereof and use method of polycarboxylate superplasticizer | |
| CN101798199A (en) | Polycarboxylate composite water reducing agent suitable for low-cementitious material concrete and preparation method thereof | |
| CN104150840B (en) | C60 full-manufactured sand super high-rise pump concrete | |
| CN105217995B (en) | A kind of Concrete synergist and preparation method thereof | |
| CN101696096A (en) | Liquid cement grinding additive | |
| CN102060468B (en) | Grout additive | |
| CN104973817A (en) | Concrete viscosity regulator suitable for compatible use with polycarboxylic acid water reducer and preparation method thereof | |
| CN111995339A (en) | Anti-scouring solidified soil for ocean platform and preparation method thereof | |
| CN112759320B (en) | High-fluidity low-density grouting material for offshore wind power suction pile foundation | |
| CN108585592A (en) | A kind of Concrete synergist and preparation method thereof | |
| CN104529232B (en) | Polycarboxylate composite water reducing agent, preparation method and using method thereof for high carbon content concrete | |
| CN114292073A (en) | Aeolian sand anti-freezing concrete capable of being printed in 3D mode and preparation method and using method thereof | |
| CN107352836A (en) | Superpower nucleus of ultra early-strength concrete admixture and preparation method thereof | |
| CN105384380A (en) | Tannin extract/polycarboxylate concrete water reducer and preparation method thereof | |
| CN101857405A (en) | High-toughness mortar | |
| CN103539416B (en) | A kind of anti-shearing synchronous grouting dedicated mortar and its preparation method | |
| CN109534716B (en) | Self-compacting concrete additive and preparation method thereof | |
| CN112897931B (en) | Concrete synergist and preparation method thereof | |
| JP2011132039A (en) | Fluidizing agent for anti-washout underwater hydraulic composition | |
| CN112062486B (en) | Low-temperature cement and preparation method thereof | |
| CN104291726A (en) | Ultralow-content post-tensioned pre-stressed pipeline grouting agent, and preparation method and application thereof | |
| CN108002778B (en) | Mold-free agent, application thereof, building component comprising mold-free agent and preparation method | |
| CN107963845B (en) | Preparation process of self-compacting concrete and preparation of special modified additive |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| ASS | Succession or assignment of patent right |
Owner name: CHINA CONSTRUCTION COMMERCIAL CONCRETE CO., LTD. Free format text: FORMER OWNER: CHINA CONSTRUCTION COMMERCIAL CONCRETE CO., LTD. CHINA CONSTRUCTION THIRD ENGINEERINGBUREAU CO., LTD. Effective date: 20120710 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20120710 Address after: Yingkou Tanggu District of Tianjin City Road 300450 No. 931 Fanhua international business center 16 layer A Applicant after: China State Construction Engre.(Tianjin) Corp. Ltd. Co-applicant after: China Construction Commercial Concrete Co., Ltd. Address before: Yingkou Tanggu District of Tianjin City Road 300450 No. 931 Fanhua international business center 16 layer A Applicant before: China State Construction Engre.(Tianjin) Corp. Ltd. Co-applicant before: China Construction Commercial Concrete Co., Ltd. Co-applicant before: China Construction Third Engineering Bureau Co., Ltd. |
|
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20111123 |