CN104402298A - Synergist-added water-reducing agent causing no corrosion to reinforcement steel bar, and preparation method thereof - Google Patents
Synergist-added water-reducing agent causing no corrosion to reinforcement steel bar, and preparation method thereof Download PDFInfo
- Publication number
- CN104402298A CN104402298A CN201410598448.8A CN201410598448A CN104402298A CN 104402298 A CN104402298 A CN 104402298A CN 201410598448 A CN201410598448 A CN 201410598448A CN 104402298 A CN104402298 A CN 104402298A
- Authority
- CN
- China
- Prior art keywords
- parts
- water
- corrosion
- synergistic agent
- reducing agent
- 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
Landscapes
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The invention discloses a synergist-added water-reducing agent causing no corrosion to reinforcement steel bars. The water-reducing agent is characterized in that the water-reducing agent is prepared from the following raw materials, by weight: 23-26 parts of methoxy polyethylene glycol, 1-2 parts of cellobiose, 2-4 parts of calcium sulfate, 3-4 parts of styrene sodium sulfonate, 1-1.5 parts of dimethicone, 2-3 parts of maleic anhydride, 0.5-0.8 parts of hydrogen peroxide, 0.8-1 parts of acrylamide, 0.6-1 parts of sodium pyrithione, 0.5-0.8 parts of OP-10, 4-6 parts of an aggregate, 2-3 parts of bone meal, 28-30 parts of water and 2-3 parts of the synergist. According to the invention, through development, sodium pyrithione is added, such that good corrosion-resisting effect is provided. Besides the resistance against chemical corrosion, the corrosion to reinforcement steel bars is reduced. With the added synergist, dispersion performance is good, concrete early and late strengths are improved, and concrete durability is improved. According to the invention, on the basis of high water-reducing rate and high strength, the water-reducing agent has excellent construction performances such as excellent working performance, easy pumping, easy compaction, and the like. The water-reducing agent is suitable for popularization.
Description
Technical field
The present invention relates to a kind of preparation method of water reducer, particularly a kind of add synergistic agent to free from corrosion water reducer of reinforcing bar and preparation method thereof.
Background technology
Concrete admixture refers to before mixing concrete mixing or mixes to improve the material of concrete performance in mix process.Because admixture can improve concrete performance effectively, and have good economic benefit, be all widely used in many countries, the application in engineering more and more comes into one's own, and becomes material indispensable in concrete.Due to the application of water reducer, its water-reduction can reduce concrete water cement ratio greatly, thus improves concrete intensity.Like this, just can make the concrete of more high strength grade, when ad eundem, can cement consumption be reduced, thus reduce costs, increase economic efficiency.
The present invention fills a prescription rationally, adds the synergistic agent through especial manufacture, enhances dispersiveness, improves concrete intensity, and has long-term weather resistance; Resistance to chemical corrosion is strong, but corrosion-free to reinforcing bar, can be used in various special engineering.It possesses serviceability excellence, easily pumping, the easily excellent workability such as closely knit on high water reducing rate, high strength basis simultaneously.
Summary of the invention
The object of this invention is to provide a kind of add synergistic agent to free from corrosion water reducer of reinforcing bar and preparation method thereof.
In order to realize object of the present invention, the present invention is by following scheme implementation:
Add synergistic agent to the free from corrosion water reducer of reinforcing bar, be made up of the raw material of following weight part: methoxy poly (ethylene glycol) 23-26, cellobiose 1-2, calcium sulfate 2-4, Sodium styrene sulfonate 3-4, dimethyl silicone oil 1-1.5, MALEIC ANHYDRIDE 2-3, hydrogen peroxide 0.5-0.8, acrylamide 0.8-1, sodium pyrithione 0.6-1, OP-10 0.5-0.8, aggregate 4-6, bone meal 2-3, water 28-30, synergistic agent 2-3;
Described synergistic agent is prepared from by the raw material of following weight part: ester gum 3-4, quartz sand 6-9, Nano graphite powder 3-5, butyl glycol ether 1-1.5, microcrystalline wax 1.5-2.5, trisodium phosphate 1-2, EVA latex 12-15, aqueous epoxy resins 8-11; First ester gum, microcrystalline wax are heated to soften by preparation method, mix with quartz sand, Nano graphite powder, insulation grinding 15-30 minute, then control temperature is at 40 DEG C-50 DEG C, adds EVA latex, aqueous epoxy resins under the condition of rotating speed 120-180 rev/min, continue to stir after 20-30 minute, finally add all the other remaining components, improve rotating speed to 1000-1200 rev/min, stir 40 minutes, be cooled to room temperature, obtain described synergistic agent.
Of the present invention a kind of add synergistic agent to the free from corrosion water reducer of reinforcing bar, be made up of following concrete steps:
(1) cellobiose is water-soluble, then add OP-10, calcium sulfate, aggregate, bone meal, stir 25-35 minute with the speed of 800-1000 rev/min;
(2) by Sodium styrene sulfonate, MALEIC ANHYDRIDE, methoxy poly (ethylene glycol), excess water, hydrogen peroxide mixing, be heated to 50 DEG C-70 DEG C, reaction 30-40 minute, then adds all the other remaining components except synergistic agent, is warming up to isothermal reaction 1.5-2.5 hour under 80 DEG C of-85 DEG C of conditions;
(3) step (1) product is mixed with step (2) product, add synergistic agent, stir 30-40 minute with the speed of 600-800 rev/min and get final product.
The invention has the beneficial effects as follows: the present invention, by development, adds sodium pyrithione, has good preservative effect, except opposing chemical corrosion, reduce the corrosion to reinforcing bar; Add synergistic agent, dispersing property is good, improves concrete early stage and later strength and weather resistance; The present invention possesses serviceability excellence, easily pumping, the easily excellent workability such as closely knit on high water reducing rate, high strength basis simultaneously, is worthy to be popularized.
Specific embodiments
Below by specific examples, the present invention is described in detail.
Add synergistic agent to the free from corrosion water reducer of reinforcing bar, be made up of the raw material of following weight part (kilogram): methoxy poly (ethylene glycol) 23, cellobiose 1, calcium sulfate 2, Sodium styrene sulfonate 3, dimethyl silicone oil 1, MALEIC ANHYDRIDE 2, hydrogen peroxide 0.5, acrylamide 0.8, sodium pyrithione 0.6, OP-10 0.5, aggregate 4, bone meal 2, water 28, synergistic agent 2;
Described synergistic agent is prepared from by the raw material of following weight part (kilogram): ester gum 3, quartz sand 6, Nano graphite powder 3, butyl glycol ether 1, microcrystalline wax 1.5, trisodium phosphate 1, EVA latex 12, aqueous epoxy resins 8; First ester gum, microcrystalline wax are heated to soften by preparation method, mix with quartz sand, Nano graphite powder, insulation grinding 15-30 minute, then control temperature is at 40 DEG C-50 DEG C, adds EVA latex, aqueous epoxy resins under the condition of rotating speed 120-180 rev/min, continue to stir after 20-30 minute, finally add all the other remaining components, improve rotating speed to 1000-1200 rev/min, stir 40 minutes, be cooled to room temperature, obtain described synergistic agent.
Of the present invention a kind of add synergistic agent to the free from corrosion water reducer of reinforcing bar, be made up of following concrete steps:
(1) cellobiose is water-soluble, then add OP-10, calcium sulfate, aggregate, bone meal, stir 25-35 minute with the speed of 800-1000 rev/min;
(2) by Sodium styrene sulfonate, MALEIC ANHYDRIDE, methoxy poly (ethylene glycol), excess water, hydrogen peroxide mixing, be heated to 50 DEG C-70 DEG C, reaction 30-40 minute, then adds all the other remaining components except synergistic agent, is warming up to isothermal reaction 1.5-2.5 hour under 80 DEG C of-85 DEG C of conditions;
(3) step (1) product is mixed with step (2) product, add synergistic agent, stir 30-40 minute with the speed of 600-800 rev/min and get final product.
The water reducer excellent product performance that the present invention obtains, water-reducing rate can reach 26.9%, and volume of the present invention is the 1%-2% of cement consumption, and in identical water cement ratio situation, the slump can be made to improve more than 15cm, and mobility increases considerably.
Claims (2)
1. one kind add synergistic agent to the free from corrosion water reducer of reinforcing bar, it is characterized in that, be made up of the raw material of following weight part: methoxy poly (ethylene glycol) 23-26, cellobiose 1-2, calcium sulfate 2-4, Sodium styrene sulfonate 3-4, dimethyl silicone oil 1-1.5, MALEIC ANHYDRIDE 2-3, hydrogen peroxide 0.5-0.8, acrylamide 0.8-1, sodium pyrithione 0.6-1, OP-10 0.5-0.8, aggregate 4-6, bone meal 2-3, water 28-30, synergistic agent 2-3;
Described synergistic agent is prepared from by the raw material of following weight part: ester gum 3-4, quartz sand 6-9, Nano graphite powder 3-5, butyl glycol ether 1-1.5, microcrystalline wax 1.5-2.5, trisodium phosphate 1-2, EVA latex 12-15, aqueous epoxy resins 8-11; First ester gum, microcrystalline wax are heated to soften by preparation method, mix with quartz sand, Nano graphite powder, insulation grinding 15-30 minute, then control temperature is at 40 DEG C-50 DEG C, adds EVA latex, aqueous epoxy resins under the condition of rotating speed 120-180 rev/min, continue to stir after 20-30 minute, finally add all the other remaining components, improve rotating speed to 1000-1200 rev/min, stir 40 minutes, be cooled to room temperature, obtain described synergistic agent.
2. according to claim 1 a kind of add synergistic agent to the free from corrosion water reducer of reinforcing bar, it is characterized in that, be made up of following concrete steps:
(1) cellobiose is water-soluble, then add OP-10, calcium sulfate, aggregate, bone meal, stir 25-35 minute with the speed of 800-1000 rev/min;
(2) by Sodium styrene sulfonate, MALEIC ANHYDRIDE, methoxy poly (ethylene glycol), excess water, hydrogen peroxide mixing, be heated to 50 DEG C-70 DEG C, reaction 30-40 minute, then adds all the other remaining components except synergistic agent, is warming up to isothermal reaction 1.5-2.5 hour under 80 DEG C of-85 DEG C of conditions;
(3) step (1) product is mixed with step (2) product, add synergistic agent, stir 30-40 minute with the speed of 600-800 rev/min and get final product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410598448.8A CN104402298A (en) | 2014-10-31 | 2014-10-31 | Synergist-added water-reducing agent causing no corrosion to reinforcement steel bar, and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410598448.8A CN104402298A (en) | 2014-10-31 | 2014-10-31 | Synergist-added water-reducing agent causing no corrosion to reinforcement steel bar, and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104402298A true CN104402298A (en) | 2015-03-11 |
Family
ID=52639982
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410598448.8A Pending CN104402298A (en) | 2014-10-31 | 2014-10-31 | Synergist-added water-reducing agent causing no corrosion to reinforcement steel bar, and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104402298A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105330793A (en) * | 2015-11-25 | 2016-02-17 | 科之杰新材料集团有限公司 | Preparation method of ether polycarboxylic acid water reducing agent |
| CN105985055A (en) * | 2016-01-15 | 2016-10-05 | 安徽鑫润新型材料有限公司 | Environment-friendly efficient water reducing agent with excellent corrosion resistance |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101186462A (en) * | 2007-11-26 | 2008-05-28 | 江苏博特新材料有限公司 | Liquid, chlorine-free, early-strength anti-freezing polycarboxylate composite water reducing agent and preparation method thereof |
| CN101830663A (en) * | 2010-05-28 | 2010-09-15 | 浙江五龙化工股份有限公司 | Collapse protective poly-carboxylic acid water reducing agent and preparation method thereof |
| CN102101758A (en) * | 2010-12-22 | 2011-06-22 | 马清浩 | Polyether carboxylic acid water reducer and preparation method thereof |
| CN102515615A (en) * | 2011-12-29 | 2012-06-27 | 上海三瑞高分子材料有限公司 | Anti-freezing concrete water reducer |
| CN103224341A (en) * | 2013-05-13 | 2013-07-31 | 十九冶成都建设有限公司 | Early-strength antifreezing polycarboxylic acid composite water reducing agent and application thereof |
| CN103755202A (en) * | 2013-12-24 | 2014-04-30 | 贵州瑞帝斯建材有限公司 | Environment-friendly concrete early-strength anti-freezing water reducing agent |
-
2014
- 2014-10-31 CN CN201410598448.8A patent/CN104402298A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101186462A (en) * | 2007-11-26 | 2008-05-28 | 江苏博特新材料有限公司 | Liquid, chlorine-free, early-strength anti-freezing polycarboxylate composite water reducing agent and preparation method thereof |
| CN101830663A (en) * | 2010-05-28 | 2010-09-15 | 浙江五龙化工股份有限公司 | Collapse protective poly-carboxylic acid water reducing agent and preparation method thereof |
| CN102101758A (en) * | 2010-12-22 | 2011-06-22 | 马清浩 | Polyether carboxylic acid water reducer and preparation method thereof |
| CN102515615A (en) * | 2011-12-29 | 2012-06-27 | 上海三瑞高分子材料有限公司 | Anti-freezing concrete water reducer |
| CN103224341A (en) * | 2013-05-13 | 2013-07-31 | 十九冶成都建设有限公司 | Early-strength antifreezing polycarboxylic acid composite water reducing agent and application thereof |
| CN103755202A (en) * | 2013-12-24 | 2014-04-30 | 贵州瑞帝斯建材有限公司 | Environment-friendly concrete early-strength anti-freezing water reducing agent |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105330793A (en) * | 2015-11-25 | 2016-02-17 | 科之杰新材料集团有限公司 | Preparation method of ether polycarboxylic acid water reducing agent |
| CN105985055A (en) * | 2016-01-15 | 2016-10-05 | 安徽鑫润新型材料有限公司 | Environment-friendly efficient water reducing agent with excellent corrosion resistance |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101891435A (en) | Waterproof and crack-resistant dry-mixed mortar of steel slag sand | |
| CN105837109B (en) | A kind of concrete material of high-strength corrosion-resisting and its application | |
| CN102491676A (en) | Concrete synergist and preparation method for same | |
| CN103664055A (en) | Polymer mortar and mixing method thereof | |
| CN104016621A (en) | Anti-cracking concrete and preparation method thereof | |
| CN104086140B (en) | A kind of concrete for the preparation of electric power electric pole | |
| CN104961418A (en) | Post-tensioning prestress hole channel slurry pressing material suitable for low temperature environment and preparing method thereof | |
| CN104072039B (en) | A kind of concrete waste material concrete and preparation method thereof | |
| CN104402298A (en) | Synergist-added water-reducing agent causing no corrosion to reinforcement steel bar, and preparation method thereof | |
| CN106495606A (en) | A kind of preparation method of polymer-modified cement mending mortar | |
| CN105985047A (en) | Modified polycarboxylate water reducer capable of improving strength of concrete | |
| CN101891413B (en) | Flocculating agent for cement high pressure jet grouting and preparation method and application thereof | |
| CN103288375B (en) | Concrete additive and preparation method thereof | |
| CN109704693B (en) | Sulphoaluminate cement-based self-compacting mortar and use method thereof | |
| CN104386940A (en) | High-antiseptic-effect retarding water reducing agent and preparation method thereof | |
| CN102344263B (en) | A kind of mortar concrete waterproofing agent production technique | |
| CN104072040B (en) | A kind of acidproof thermal insulation concrete and preparation method thereof | |
| CN106746880A (en) | A kind of high-performance permeable concrete cementing agent and its application | |
| CN102093524A (en) | Technology for synthetizing aliphatic water reducing agent with naphthol industrial waste | |
| CN106746888B (en) | A kind of concrete segregation reducing agent and preparation method thereof | |
| CN104402290A (en) | Composite water-reducing agent improving concrete construction performances, and preparation method thereof | |
| CN104058704B (en) | A kind of antibacterial water-tight concrete and preparation method thereof | |
| CN104556848A (en) | Polymer spraying mortar and preparation method thereof | |
| CN105198263A (en) | Preparation method of concrete early strength agent | |
| CN105271957A (en) | High strength concrete member and preparation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150311 |