CN108046652A - 一种混凝土保坍剂 - Google Patents
一种混凝土保坍剂 Download PDFInfo
- Publication number
- CN108046652A CN108046652A CN201810107656.1A CN201810107656A CN108046652A CN 108046652 A CN108046652 A CN 108046652A CN 201810107656 A CN201810107656 A CN 201810107656A CN 108046652 A CN108046652 A CN 108046652A
- Authority
- CN
- China
- Prior art keywords
- parts
- concrete
- chitosan oligosaccharide
- water
- slump
- 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
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
- C04B2103/308—Slump-loss preventing agents
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)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
Description
分组 | 60min内坍落度损失 | 90min内坍落度损失 |
实施例1 | 0 | 5.9% |
实施例2 | 0 | 7.1% |
实施例3 | 0 | 10.5% |
对比例 | 5.3% | 22.2% |
不添加保坍剂 | 11.5% | 37.8% |
Claims (4)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201810107656.1A CN108046652B (zh) | 2018-02-02 | 2018-02-02 | 一种混凝土保坍剂 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201810107656.1A CN108046652B (zh) | 2018-02-02 | 2018-02-02 | 一种混凝土保坍剂 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN108046652A true CN108046652A (zh) | 2018-05-18 |
CN108046652B CN108046652B (zh) | 2020-09-15 |
Family
ID=62125808
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201810107656.1A Active CN108046652B (zh) | 2018-02-02 | 2018-02-02 | 一种混凝土保坍剂 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN108046652B (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110218022A (zh) * | 2019-06-20 | 2019-09-10 | 中交二航武汉港湾新材料有限公司 | 壳寡糖接枝改性聚羧酸减水剂及其制备方法 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA2521173C (en) * | 2003-04-03 | 2012-05-01 | Construction Research & Technology Gmbh | Cement additive |
CN103613308A (zh) * | 2013-11-22 | 2014-03-05 | 武汉理工大学 | 减水型聚羧酸类混凝土保坍剂及其制备方法 |
CN105174795A (zh) * | 2015-10-16 | 2015-12-23 | 杨洋 | 一种混凝土保坍剂及其制备方法 |
-
2018
- 2018-02-02 CN CN201810107656.1A patent/CN108046652B/zh active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA2521173C (en) * | 2003-04-03 | 2012-05-01 | Construction Research & Technology Gmbh | Cement additive |
CN103613308A (zh) * | 2013-11-22 | 2014-03-05 | 武汉理工大学 | 减水型聚羧酸类混凝土保坍剂及其制备方法 |
CN105174795A (zh) * | 2015-10-16 | 2015-12-23 | 杨洋 | 一种混凝土保坍剂及其制备方法 |
Non-Patent Citations (4)
Title |
---|
夏寿荣: "《最新混凝土外加剂生产配方精选400例》", 31 January 2014, 中国建材工业出版社 * |
庄华红等: "γ-聚谷氨酸水凝胶的制备、性能及其应用", 《应用化学》 * |
赵北龙等: "《建筑工程材料物理性检测》", 28 February 2015, 中国建材工业出版社 * |
阮承祥等: "《混凝土外加剂及其工程应用》", 31 December 2008, 江西科学技术出版社 * |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110218022A (zh) * | 2019-06-20 | 2019-09-10 | 中交二航武汉港湾新材料有限公司 | 壳寡糖接枝改性聚羧酸减水剂及其制备方法 |
CN110218022B (zh) * | 2019-06-20 | 2021-10-29 | 中交二航武汉港湾新材料有限公司 | 壳寡糖接枝改性聚羧酸减水剂及其制备方法 |
Also Published As
Publication number | Publication date |
---|---|
CN108046652B (zh) | 2020-09-15 |
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A concrete slump retaining agent Effective date of registration: 20210806 Granted publication date: 20200915 Pledgee: Bank of Rizhao Co.,Ltd. Juxian sub branch Pledgor: RIZHAO FEM NEW MATERIAL TECHNOLOGY Co.,Ltd. Registration number: Y2021980007367 |
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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: 20221130 Granted publication date: 20200915 Pledgee: Bank of Rizhao Co.,Ltd. Juxian sub branch Pledgor: RIZHAO FEM NEW MATERIAL TECHNOLOGY CO.,LTD. Registration number: Y2021980007367 |
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PC01 | Cancellation of the registration of the contract for pledge of patent right |