CN108892755B - 一种缓释型聚羧酸减水剂及其制备方法和用途 - Google Patents
一种缓释型聚羧酸减水剂及其制备方法和用途 Download PDFInfo
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- CN108892755B CN108892755B CN201810550773.5A CN201810550773A CN108892755B CN 108892755 B CN108892755 B CN 108892755B CN 201810550773 A CN201810550773 A CN 201810550773A CN 108892755 B CN108892755 B CN 108892755B
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- 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
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- 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
- C04B24/2605—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds containing polyether side chains
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- 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
- C08F4/00—Polymerisation catalysts
- C08F4/40—Redox systems
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- 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
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
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- Organic Chemistry (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
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- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Structural Engineering (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
Abstract
Description
制备条件 | T<sub>1</sub>/℃ | T<sub>2</sub>/℃ | 缩合摩尔比 | (2-1)水 | (2-3)水 | t<sub>1</sub> | t<sub>2</sub> | pH |
实施例1 | 100 | 60 | 1:0.5:0.06 | 300份 | 90份 | 2h | 3h | 6 |
实施例2 | 140 | 80 | 1:0.5:0.06 | 300份 | 90份 | 4h | 4h | 7 |
实施例3 | 110 | 65 | 1:0.6:0.065 | 300份 | 90份 | 2.3h | 3.2h | 6.5 |
实施例4 | 130 | 70 | 1:0.6:0.065 | 300份 | 90份 | 3.8h | 4.8h | 6 |
实施例5 | 120 | 68 | 1:0.7:0.07 | 350份 | 100份 | 3h | 3.5h | 7 |
实施例10 | 120 | 68 | 1:0.7:0.07 | 350份 | 100份 | 1h | 3.5h | 7 |
实施例11 | 120 | 68 | 1:0.8:0.07 | 350份 | 120份 | 5h | 3.5h | 7 |
实施例12 | 120 | 68 | 1:0.9:0.075 | 400份 | 120份 | 3h | 2h | 7 |
实施例13 | 120 | 68 | 1:1.2:0.075 | 400份 | 120份 | 3h | 5h | 7 |
Claims (14)
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CN108892755A CN108892755A (zh) | 2018-11-27 |
CN108892755B true CN108892755B (zh) | 2021-09-24 |
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Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN111592624B (zh) * | 2019-02-21 | 2022-07-05 | 天水师范学院 | 一种制备通用综合型聚羧酸减水剂的方法 |
CN112897921B (zh) * | 2021-03-18 | 2022-04-22 | 龙南恒沣建材有限公司 | 一种混凝土缓凝减水剂 |
Citations (1)
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WO2018031373A1 (en) * | 2016-08-12 | 2018-02-15 | Iowa State University Research Foundation, Inc. | Acrylated and acylated or acetalized polyol as a biobased substitute for hard, rigid thermoplastic and thermoplastic and thermoset materials |
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CN107880225A (zh) * | 2017-11-23 | 2018-04-06 | 福清市永春混凝土外加剂有限公司 | 一种缓释型聚羧酸减水剂及其制备方法 |
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WO2018031373A1 (en) * | 2016-08-12 | 2018-02-15 | Iowa State University Research Foundation, Inc. | Acrylated and acylated or acetalized polyol as a biobased substitute for hard, rigid thermoplastic and thermoplastic and thermoset materials |
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