CN106116231A - A kind of compound concrete high efficiency water reducing agent - Google Patents
A kind of compound concrete high efficiency water reducing agent Download PDFInfo
- Publication number
- CN106116231A CN106116231A CN201610481537.3A CN201610481537A CN106116231A CN 106116231 A CN106116231 A CN 106116231A CN 201610481537 A CN201610481537 A CN 201610481537A CN 106116231 A CN106116231 A CN 106116231A
- Authority
- CN
- China
- Prior art keywords
- parts
- water
- reducing agent
- high efficiency
- 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
Classifications
-
- 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
- C04B40/00—Processes, in general, for influencing or modifying the properties of mortars, concrete or artificial stone compositions, e.g. their setting or hardening ability
- C04B40/0028—Aspects relating to the mixing step of the mortar preparation
- C04B40/0039—Premixtures of ingredients
-
- 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
- C04B2103/30—Water reducers, plasticisers, air-entrainers, flow improvers
- C04B2103/302—Water reducers
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The invention belongs to technical field of concrete additives, particularly to a kind of compound concrete high efficiency water reducing agent, it is made up of the raw material of following weight portion: polycarboxylate water-reducer 20～40 parts, sodium lignin sulfonate 10～22 parts, alkyl polyglucoside 1.2～2.6 parts, carboxymethyl starch sodium 0.5～2.8 parts, Borax 0.3～0.9 part, sugar calcium 0.2～0.8 part, water 10～30 parts.The compound concrete high efficiency water reducing agent of the present invention has higher water-reducing rate, good with concrete and other concrete admixture adaptability.
Description
Technical field
The invention belongs to technical field of concrete additives, particularly to a kind of compound concrete high efficiency water reducing agent.
Background technology
Poly carboxylic acid series water reducer is the third generation water reducer that combination property is the most excellent, begins to from late 1980s
In developed country's production applications such as Japan, Germany, the U.S..It has, and water-reducing rate is high, concrete slump gradual loss is little, volume
The plurality of advantages such as low, big to concrete strength contribution, the feature of environmental protection is good, from high-speed railway to city Concrete Mixing Station, state
Interior many application enterprises start to select polycarboxylate water-reducer as the requisite BSA of concrete.Cement water reducing agent is made
For a kind of new material, not only can improve the level of Building technology, improve the performance of concrete, it is also possible to save substantial amounts of cement
And manpower and materials, there is higher value, the fact that this has been well recognized as.
But, have strict requirements owing to producing the raw material needed for high performance concrete, no matter sand, the clay content of stone or
The fineness of flyash and the amount of making a fire have strict requirements, so the high efficiency water reducing agent for construction high performance concrete requires also
Same strict, the bleed composition of the either water-reducing rate of water reducer, or water reducer all can have influence on the matter of high performance concrete
Amount.
High efficiency water reducing agent performance in the market is single, only has diminishing function, and for the cement of different manufacturers
Adaptability is different, it is necessary to could change its adaptability through other material compounding, and be difficult to control to.
Summary of the invention
The technical problem to be solved is to provide a kind of compound concrete high efficiency water reducing agent, and it has higher
Water-reducing rate is good with concrete and other concrete admixture adaptability.
For achieving the above object, technical scheme to be solved by this invention is:
The present invention provides a kind of compound concrete high efficiency water reducing agent to be made up of the raw material of following weight portion: polycarboxylic acids diminishing
Agent 20～40 parts, sodium lignin sulfonate 10～22 parts, alkyl polyglucoside 1.2～2.6 parts, carboxymethyl starch sodium 0.5～2.8 parts, boron
Sand 0.3～0.9 part, sugar calcium 0.2～0.8 part, water 10～30 parts.
Preferably, the described compound concrete high efficiency water reducing agent of the present invention, it is made up of the raw material of following weight portion: poly-
Carboxylic acid water reducer 20～40 parts, sodium lignin sulfonate 10～22 parts, alkyl polyglucoside 1.2～2.6 parts, carboxymethyl starch sodium 0.5～
2.8 parts, Borax 0.3～0.9 part, sugar calcium 0.2～0.8 part, water 10～30 parts.
It is highly preferred that the described compound concrete high efficiency water reducing agent of the present invention, it is made up of the raw material of following weight portion:
Polycarboxylate water-reducer 20～40 parts, sodium lignin sulfonate 10～22 parts, alkyl polyglucoside 1.2～2.6 parts, carboxymethyl starch sodium 0.5
～2.8 parts, Borax 0.3～0.9 part, sugar calcium 0.2～0.8 part, water 10～30 parts.
Preferably, the solid content of the described polycarboxylate water-reducer of the present invention is 20%.
Preferably, the solid content of the described polycarboxylate water-reducer of the present invention is 40%.
In the raw material of the present invention, polycarboxylate water-reducer is compound with sodium lignin sulfonate promotes cement dispersion, improves concrete
Mixture mobility, can substantially reduce unit consumption of water, using water wisely, promotes the strongest；Carboxymethyl starch sodium can be at concrete
In effective water conservation, and slowly discharge portion of water along with aquation, the aquation for cement provides water source, improves strength of cement,
Can also promote that cement disperses, improve water-reducing rate, using water wisely, it is also possible to improve the stability of water reducer；Borax and sugar calcium are joined
5 as retarder, has preferable retarding effect, and can also improve the adaptability of water reducer and other concrete admixture；
Alkyl polyglucoside is synthesized by Renewable resource natural fat alcohol and glucose, is a kind of performance more comprehensive new non-ionic table
Face activating agent, it has the characteristic of conventional nonionic and anion surfactant concurrently, has high surface, good ecological peace
Full property and intermiscibility, be internationally recognized first-selection " green " functional surfactant, with carboxymethyl starch sodium compatibility, it is possible to carry
The stability of high bubble, introduces bubble abundant small and of uniform size, additionally it is possible to the intensity of Concrete Structure and freeze proof
Property.
Compared to existing technology, the beneficial effects of the present invention is:
1, the compound concrete high efficiency water reducing agent of the present invention is effectively improved the mobility of concrete, has dispersion very well
Property, there is higher water-reducing rate, water-reducing rate is up to more than 36%.
2, the compound concrete high efficiency water reducing agent of the present invention can be effectively improved the intensity of concrete, 7d and 28d pressure resistance
Degree ratio is all more than 160%.
3, the compound concrete high efficiency water reducing agent of the present invention has preferable impervious cracking resistance, does not secrete after mix
Water, isolation manifest.
4, the compound concrete high efficiency water reducing agent of the present invention and the strong adaptability of cement, it is possible to adapt to different brackets and factory
The cement of family, expanded scope, with other concrete admixture, also there is good adaptability.
5, after the compound concrete high efficiency water reducing agent of the present invention postpones molding 6h, loss of strength rate is 4.3～5.2%；
After postponing molding 9h, loss of strength rate is 7.1～8.2%.
6, using the compound concrete high efficiency water reducing agent of the present invention, in 60min, the slump is not lost.
7, the compound concrete high efficiency water reducing agent air content of the present invention is less than 1.5%；Freeze thawing resistance cycle-index is up to 250
More than secondary；Relatively durable property index is calculated as 97% with the dynamic modulus of elasticity retention of 200 times, and display durability loss is less.
Detailed description of the invention
Below in conjunction with embodiment, the invention will be further described, but the invention is not limited in these embodiments.
Embodiment 1
A kind of compound concrete high efficiency water reducing agent, is made up of the raw material of following weight portion: polycarboxylate water-reducer (solid content
It is 20%) 20 parts, sodium lignin sulfonate 22 parts, alkyl polyglucoside 1.2 parts, carboxymethyl starch sodium 2.8 parts, Borax 0.3 part, sugar calcium
0.8 part, 10 parts of water；All raw material mix homogeneously, at 55 DEG C, stir 50min.
Embodiment 2
A kind of compound concrete high efficiency water reducing agent, is made up of the raw material of following weight portion: polycarboxylate water-reducer (solid content
It is 40%) 25 parts, sodium lignin sulfonate 20 parts, alkyl polyglucoside 1.4 parts, carboxymethyl starch sodium 2.5 parts, Borax 0.4 part, sugar calcium
0.7 part, 27 parts of water；All raw material mix homogeneously, at 45 DEG C, stir 60min.
Embodiment 3
A kind of compound concrete high efficiency water reducing agent, is made up of the raw material of following weight portion: polycarboxylate water-reducer (solid content
It is 20%) 28 parts, sodium lignin sulfonate 18 parts, alkyl polyglucoside 1.7 parts, carboxymethyl starch sodium 1.9 parts, Borax 0.5 part, sugar calcium
0.6 part, 24 parts of water；All raw material mix homogeneously, at 40 DEG C, stir 60min.
Embodiment 4
A kind of compound concrete high efficiency water reducing agent, is made up of the raw material of following weight portion: polycarboxylate water-reducer (solid content
It is 40%) 30 parts, sodium lignin sulfonate 16 parts, alkyl polyglucoside 1.9 parts, carboxymethyl starch sodium 1.3 parts, Borax 0.6 part, sugar calcium
0.5 part, 20 parts of water；All raw material mix homogeneously, at 45 DEG C, stir 60min.
Embodiment 5
A kind of compound concrete high efficiency water reducing agent, is made up of the raw material of following weight portion: polycarboxylate water-reducer (solid content
It is 20%) 33 parts, sodium lignin sulfonate 14 parts, alkyl polyglucoside 2.2 parts, carboxymethyl starch sodium 1 part, Borax 0.7 part, sugar calcium 0.4
Part, 17 parts of water；All raw material mix homogeneously, at 45 DEG C, stir 60min.
Embodiment 6
A kind of compound concrete high efficiency water reducing agent, is made up of the raw material of following weight portion: poly-polycarboxylate water-reducer is (admittedly contain
Amount is 20%) 35 parts, sodium lignin sulfonate 12 parts, alkyl polyglucoside 2.4 parts, carboxymethyl starch sodium 0.8 part, Borax 0.8 part, sugar calcium
0.3 part, 13 parts of water；All raw material mix homogeneously, at 50 DEG C, stir 50min.
Embodiment 7
A kind of compound concrete high efficiency water reducing agent, is made up of the raw material of following weight portion: polycarboxylate water-reducer (solid content
It is 20%) 40 parts, sodium lignin sulfonate 10 parts, alkyl polyglucoside 2.6 parts, carboxymethyl starch sodium 0.5 part, Borax 0.9 part, sugar calcium
0.2 part, 30 parts of water；All raw material mix homogeneously, at 45 DEG C, stir 60min.
Claims (5)
1. a compound concrete high efficiency water reducing agent, it is characterised in that be made up of the raw material of following weight portion: polycarboxylic acids diminishing
Agent 20～40 parts, sodium lignin sulfonate 10～22 parts, alkyl polyglucoside 1.2～2.6 parts, carboxymethyl starch sodium 0.5～2.8 parts, boron
Sand 0.3～0.9 part, sugar calcium 0.2～0.8 part, water 10～30 parts.
Compound concrete high efficiency water reducing agent the most according to claim 1, it is characterised in that by the raw material of following weight portion
Make: polycarboxylate water-reducer 25～35 parts, sodium lignin sulfonate 12～20 parts, alkyl polyglucoside 1.4～2.4 parts, carboxymethyl starch
Sodium 0.8～2.5 parts, Borax 0.4～0.8 part, sugar calcium 0.3～0.7 part, water 13～27 parts.
Compound concrete high efficiency water reducing agent the most according to claim 3, it is characterised in that by the raw material of following weight portion
Make: polycarboxylate water-reducer 30 parts, sodium lignin sulfonate 16 parts, alkyl polyglucoside 1.9 parts, carboxymethyl starch sodium 1.3 parts, Borax
0.6 part, sugar calcium 0.5 part, 20 parts of water.
4. according to the compound concrete high efficiency water reducing agent described in claims 1 to 3 any one, it is characterised in that: described poly-
The solid content of carboxylic acid water reducer is 20%.
5. according to the compound concrete high efficiency water reducing agent described in claims 1 to 3 any one, it is characterised in that: described poly-
The solid content of carboxylic acid water reducer is 40%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610481537.3A CN106116231A (en) | 2016-06-24 | 2016-06-24 | A kind of compound concrete high efficiency water reducing agent |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610481537.3A CN106116231A (en) | 2016-06-24 | 2016-06-24 | A kind of compound concrete high efficiency water reducing agent |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106116231A true CN106116231A (en) | 2016-11-16 |
Family
ID=57267351
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610481537.3A Pending CN106116231A (en) | 2016-06-24 | 2016-06-24 | A kind of compound concrete high efficiency water reducing agent |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106116231A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106946530A (en) * | 2017-04-13 | 2017-07-14 | 天津金隅混凝土有限公司 | Ultra-retardation concrete |
| CN108129058A (en) * | 2017-04-27 | 2018-06-08 | 钟建军 | A kind of organic biomass water-reducing agent |
| CN113817443A (en) * | 2020-06-18 | 2021-12-21 | 中国石油化工股份有限公司 | Hydrate decomposition inhibiting composition, coupling enhanced solid hydrate and method for enhancing storage and transportation stability of solid hydrate |
| CN117342820A (en) * | 2023-09-28 | 2024-01-05 | 深圳市名轩建材科技有限公司 | Composite polycarboxylate superplasticizer and preparation method thereof |
| CN117342820B (en) * | 2023-09-28 | 2024-06-11 | 深圳市名轩建材科技有限公司 | Composite polycarboxylate superplasticizer and preparation method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102731014A (en) * | 2012-06-29 | 2012-10-17 | 上海市建筑构件制品有限公司 | Polycarboxylic acid-lignin composite additive |
| CN102775090A (en) * | 2012-08-22 | 2012-11-14 | 十九冶成都建设有限公司 | Polycarboxylic-acid pumping aid and application thereof |
| CN104844055A (en) * | 2015-04-30 | 2015-08-19 | 马健 | Concrete anti-freezing agent |
| CN105314922A (en) * | 2015-12-09 | 2016-02-10 | 攀枝花钢企欣宇化工有限公司 | Efficient pumping agent and application thereof |
-
2016
- 2016-06-24 CN CN201610481537.3A patent/CN106116231A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102731014A (en) * | 2012-06-29 | 2012-10-17 | 上海市建筑构件制品有限公司 | Polycarboxylic acid-lignin composite additive |
| CN102775090A (en) * | 2012-08-22 | 2012-11-14 | 十九冶成都建设有限公司 | Polycarboxylic-acid pumping aid and application thereof |
| CN104844055A (en) * | 2015-04-30 | 2015-08-19 | 马健 | Concrete anti-freezing agent |
| CN105314922A (en) * | 2015-12-09 | 2016-02-10 | 攀枝花钢企欣宇化工有限公司 | Efficient pumping agent and application thereof |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106946530A (en) * | 2017-04-13 | 2017-07-14 | 天津金隅混凝土有限公司 | Ultra-retardation concrete |
| CN106946530B (en) * | 2017-04-13 | 2019-11-12 | 天津金隅混凝土有限公司 | Ultra-retardation concrete |
| CN108129058A (en) * | 2017-04-27 | 2018-06-08 | 钟建军 | A kind of organic biomass water-reducing agent |
| CN113817443A (en) * | 2020-06-18 | 2021-12-21 | 中国石油化工股份有限公司 | Hydrate decomposition inhibiting composition, coupling enhanced solid hydrate and method for enhancing storage and transportation stability of solid hydrate |
| CN113817443B (en) * | 2020-06-18 | 2022-08-30 | 中国石油化工股份有限公司 | Hydrate decomposition inhibiting composition, coupling enhanced solid hydrate and method for enhancing storage and transportation stability of solid hydrate |
| CN117342820A (en) * | 2023-09-28 | 2024-01-05 | 深圳市名轩建材科技有限公司 | Composite polycarboxylate superplasticizer and preparation method thereof |
| CN117342820B (en) * | 2023-09-28 | 2024-06-11 | 深圳市名轩建材科技有限公司 | Composite polycarboxylate superplasticizer and preparation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102718424B (en) | High-activity granulated blast furnace slag and preparation method thereof | |
| CN105859243A (en) | Magnesium oxysulfate cement foamed bricks and preparation method therefor | |
| CN103193415B (en) | Retarded cement grinding aid and preparation method thereof | |
| CN103601417B (en) | Super retarder | |
| CN109354478A (en) | A kind of lightweight plastering gupsum | |
| CN105967544A (en) | {0><}0{>Retarding and water reducing agent and preparation method thereof | |
| CN104926243A (en) | Preparation method of self-leveling mortar using waste stone powder | |
| CN103739241B (en) | A kind of self-heat conserving gas concrete special mortar for dry method construction and preparation method thereof | |
| CN102219465A (en) | Formula design of novel cement-based insulation dry powder | |
| CN104926258A (en) | Autoclaved aerated concrete plate repairing agent | |
| CN106116232A (en) | A kind of anti-freezing concrete water reducer | |
| CN106116231A (en) | A kind of compound concrete high efficiency water reducing agent | |
| CN104163613A (en) | Phosphogypsum-based thermal insulating mortar containing vitrified micro-beads | |
| CN108530000A (en) | A kind of thermal insulation mortar and its manufacturing method | |
| CN110194641B (en) | Interface-enhanced phosphogypsum light inner wall partition board and preparation method thereof | |
| CN106145751A (en) | A kind of ultra early-strength cement water reducing agent | |
| CN102060469B (en) | Mortar thickening agent and preparation method thereof | |
| CN103755202A (en) | Environment-friendly concrete early-strength anti-freezing water reducing agent | |
| CN104163612A (en) | Phosphogypsum-based thermal insulating mortar containing expanded perlite | |
| CN101863634B (en) | Building mortar additive and production method thereof | |
| CN107793088A (en) | Lightweight anti-cracking heat insulation mortar | |
| CN102190468A (en) | Anti-sagging heat-insulation mortar based on silicate cement | |
| CN112897974A (en) | Heat-insulating plastering for inner wall | |
| CN1325422C (en) | Attapulgite additive for compound mortar | |
| CN106116233A (en) | A kind of extra retarded set type cement water reducing agent |
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: 20161116 |