AR071449A1 - Agente reductor de la contraccion, un aditivo para cemento y uso del agente reductor. - Google Patents
Agente reductor de la contraccion, un aditivo para cemento y uso del agente reductor.Info
- Publication number
- AR071449A1 AR071449A1 ARP090100250A ARP090100250A AR071449A1 AR 071449 A1 AR071449 A1 AR 071449A1 AR P090100250 A ARP090100250 A AR P090100250A AR P090100250 A ARP090100250 A AR P090100250A AR 071449 A1 AR071449 A1 AR 071449A1
- Authority
- AR
- Argentina
- Prior art keywords
- formula
- hydrogen
- represented
- moles
- methyl group
- Prior art date
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
- C04B24/00—Use of organic materials as active ingredients for mortars, concrete or artificial stone, e.g. plasticisers
- C04B24/24—Macromolecular compounds
- C04B24/28—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- C04B24/32—Polyethers, e.g. alkylphenol polyglycolether
-
- 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
- C04B2103/56—Opacifiers
- C04B2103/58—Shrinkage reducing agents
-
- 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
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/34—Non-shrinking or non-cracking materials
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
- Polyethers (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Macromonomer-Based Addition Polymer (AREA)
Abstract
Para proveer agentes reductores de la contraccion que producen excelente efecto reductor de la contraccion y resistencia a la congelacion-descongelacion en composiciones de cemento tales como mortero y concreto sin introducir una cantidad excesiva de aire, y exhiben excelente estabilidad en solucion. El agente reductor de la contraccion incluye un compuesto de (poli)alquileno que tiene un enlace insaturado representado por medio de la formula (1): R2O-R1-O-(A1O)n-R3 (1) (en donde R1 es un grupo hidrocarburo C2-10 que tiene un enlace insaturado; R2 es hidrogeno o un compuesto de formula (2): -(A2O)mR4; R3 y R4 son independientemente cada uno hidrogeno o un grupo alquilo C1-8; A1O y A2O son una o más clases de grupos oxi-alquileno C2-4; y n y m son numeros promedio de adicion de moles de A1O y A2O, respectivamente y 1 a 20). Reivindicacion 8: El aditivo para cemento de acuerdo con la reivindicacion 6 o 7, en donde el dispersante para cemento con base en ácido policarboxílico es un copolímero de ácido policarboxílico con base en éster (PC1) incluye, como unidades constituyentes, un monomero 1 representado por la formula (3): R5-(A3O)s-R6 y un monomero de ácido carboxílico insaturado copolimerizable (UC1), y/o un copolímero de ácido policarboxílico con base en éter (PC2) que incluye, como unidades constituyentes, un monomero 2 representado por la formula (4): R11-(A5O)t-R12 y un monomero de ácido carboxílico insaturado copolimerizable (UC2); (en donde R5 es un residuo de ácido monocarboxílico insaturado o ácido dicarboxílico insaturado, representado por medio de la formula (5)) (en donde, R6, R7 y R9 son independientemente cada uno hidrogeno o un grupo metilo; R8 es hidrogeno, un grupo metilo o COOM; M es hidrogeno, un metal alcalino, un metal alcalinotérreo o (A4O)I-R10; A3O y A4O son una o más clases de grupos oxi-alquileno C2-4; R10 es hidrogeno o un grupo metilo; y s y I son numeros promedio de adicion de moles de A3O y A4O, respectivamente, y 1 a 100); (en donde R11 es un residuo de alcohol insaturado representado por medio de la formula (6)); (en donde R12, R13, R14 y R15 son independientemente cada uno hidrogeno o un grupo metilo; A5O es una o más clases de grupos oxi-alquileno C2-4; u es un entero de 0 a 2; y t es un numero promedio de adicion de moles de (A5O) y 1 a 100).
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008016559A JP5215680B2 (ja) | 2008-01-28 | 2008-01-28 | 収縮低減剤 |
Publications (1)
Publication Number | Publication Date |
---|---|
AR071449A1 true AR071449A1 (es) | 2010-06-23 |
Family
ID=40399280
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ARP090100250A AR071449A1 (es) | 2008-01-28 | 2009-01-27 | Agente reductor de la contraccion, un aditivo para cemento y uso del agente reductor. |
Country Status (12)
Country | Link |
---|---|
US (1) | US8353983B2 (es) |
EP (1) | EP2247552B1 (es) |
JP (1) | JP5215680B2 (es) |
CN (1) | CN101925554B (es) |
AR (1) | AR071449A1 (es) |
CA (1) | CA2713224C (es) |
CL (1) | CL2008003765A1 (es) |
ES (1) | ES2387010T3 (es) |
MX (1) | MX2010008261A (es) |
PE (1) | PE20091709A1 (es) |
TW (1) | TW200946559A (es) |
WO (1) | WO2009095131A1 (es) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2716615A1 (en) * | 2012-10-04 | 2014-04-09 | Construction Research & Technology GmbH | Hydraulic composition |
CN104030596B (zh) * | 2014-06-30 | 2015-06-17 | 湖南省建筑工程集团总公司 | 一种无碱抗裂混凝土减缩剂 |
JP6832773B2 (ja) * | 2016-03-31 | 2021-02-24 | 株式会社日本触媒 | 混和材料組成物 |
CN110192097B (zh) | 2016-11-18 | 2023-02-07 | 美国西门子医学诊断股份有限公司 | 液体测定物的顺序多波长测量 |
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DE69610650T2 (de) | 1995-01-31 | 2001-05-03 | Mbt Holding Ag, Zuerich | Zementdispergiermittel |
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-
2008
- 2008-01-28 JP JP2008016559A patent/JP5215680B2/ja active Active
- 2008-12-08 WO PCT/EP2008/067001 patent/WO2009095131A1/en active Application Filing
- 2008-12-08 ES ES08872013T patent/ES2387010T3/es active Active
- 2008-12-08 CN CN200880125666.2A patent/CN101925554B/zh not_active Expired - Fee Related
- 2008-12-08 MX MX2010008261A patent/MX2010008261A/es active IP Right Grant
- 2008-12-08 EP EP08872013A patent/EP2247552B1/en not_active Not-in-force
- 2008-12-08 CA CA2713224A patent/CA2713224C/en not_active Expired - Fee Related
- 2008-12-08 US US12/812,854 patent/US8353983B2/en not_active Expired - Fee Related
- 2008-12-17 CL CL2008003765A patent/CL2008003765A1/es unknown
- 2008-12-18 PE PE2008002115A patent/PE20091709A1/es not_active Application Discontinuation
- 2008-12-22 TW TW097150070A patent/TW200946559A/zh unknown
-
2009
- 2009-01-27 AR ARP090100250A patent/AR071449A1/es unknown
Also Published As
Publication number | Publication date |
---|---|
CL2008003765A1 (es) | 2009-06-19 |
CN101925554B (zh) | 2014-06-18 |
US8353983B2 (en) | 2013-01-15 |
JP5215680B2 (ja) | 2013-06-19 |
MX2010008261A (es) | 2010-08-23 |
JP2009173506A (ja) | 2009-08-06 |
CA2713224C (en) | 2015-11-24 |
TW200946559A (en) | 2009-11-16 |
EP2247552B1 (en) | 2012-07-11 |
EP2247552A1 (en) | 2010-11-10 |
CA2713224A1 (en) | 2009-08-06 |
WO2009095131A1 (en) | 2009-08-06 |
PE20091709A1 (es) | 2009-11-21 |
ES2387010T3 (es) | 2012-09-11 |
CN101925554A (zh) | 2010-12-22 |
US20120266782A9 (en) | 2012-10-25 |
US20120125236A1 (en) | 2012-05-24 |
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