BRPI0416622A - redutor de cromato em dispersão de sulfato - Google Patents
redutor de cromato em dispersão de sulfatoInfo
- Publication number
- BRPI0416622A BRPI0416622A BRPI0416622-1A BRPI0416622A BRPI0416622A BR PI0416622 A BRPI0416622 A BR PI0416622A BR PI0416622 A BRPI0416622 A BR PI0416622A BR PI0416622 A BRPI0416622 A BR PI0416622A
- Authority
- BR
- Brazil
- Prior art keywords
- sulfate
- particles
- chromate reducer
- chromium
- sulfate dispersion
- 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
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/515—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics
- C04B35/547—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on sulfides or selenides or tellurides
-
- 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
- C04B22/00—Use of inorganic materials as active ingredients for mortars, concrete or artificial stone, e.g. accelerators, shrinkage compensating 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
- C04B22/00—Use of inorganic materials as active ingredients for mortars, concrete or artificial stone, e.g. accelerators, shrinkage compensating agents
- C04B22/08—Acids or salts thereof
- C04B22/12—Acids or salts thereof containing halogen in the anion
-
- 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
- C04B22/00—Use of inorganic materials as active ingredients for mortars, concrete or artificial stone, e.g. accelerators, shrinkage compensating agents
- C04B22/08—Acids or salts thereof
- C04B22/14—Acids or salts thereof containing sulfur in the anion, e.g. sulfides
-
- 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
- C04B22/00—Use of inorganic materials as active ingredients for mortars, concrete or artificial stone, e.g. accelerators, shrinkage compensating agents
- C04B22/08—Acids or salts thereof
- C04B22/14—Acids or salts thereof containing sulfur in the anion, e.g. sulfides
- C04B22/142—Sulfates
-
- 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
- C04B2103/44—Thickening, gelling or viscosity increasing 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
- C04B2103/00—Function or property of ingredients for mortars, concrete or artificial stone
- C04B2103/52—Grinding aids; Additives added during grinding
-
- 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
- C04B2111/10—Compositions or ingredients thereof characterised by the absence or the very low content of a specific material
- C04B2111/1075—Chromium-free or very low chromium-content materials
- C04B2111/1081—Chromium VI, e.g. for avoiding chromium eczema
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Inorganic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
- Manufacture Of Metal Powder And Suspensions Thereof (AREA)
- Colloid Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Preventing Corrosion Or Incrustation Of Metals (AREA)
- Anti-Oxidant Or Stabilizer Compositions (AREA)
Abstract
"REDUTOR DE CROMATO EM DISPERSãO DE SULFATO". Composição redutora de cromo VI compreendendo partículas de material sólido selecionado do grupo que consiste de sulfato de prata (II) e sulfato de estanho, com as particulas sendo substancialmente e uniformemente dispersas em um carreador líquido. Os métodos para modificar os materiais aglutinantes hidratáveis utilizando a composição redutora de cromo são também descritos e são fornecidas vantagens sobre as composições de sulfato na forma de pó seco ou nas formas dissolvidas quando utilizadas na fabricação de cimento.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US52412503P | 2003-11-21 | 2003-11-21 | |
US54184204P | 2004-02-04 | 2004-02-04 | |
PCT/US2004/022430 WO2005056860A2 (en) | 2003-11-21 | 2004-07-13 | Sulfate dispersion chromate reducer |
Publications (1)
Publication Number | Publication Date |
---|---|
BRPI0416622A true BRPI0416622A (pt) | 2007-01-16 |
Family
ID=34437377
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BRPI0416622-1A BRPI0416622A (pt) | 2003-11-21 | 2004-07-13 | redutor de cromato em dispersão de sulfato |
Country Status (10)
Country | Link |
---|---|
US (1) | US7128782B2 (pt) |
EP (2) | EP1533287B1 (pt) |
JP (1) | JP4712719B2 (pt) |
KR (1) | KR101135941B1 (pt) |
AU (1) | AU2004297504B9 (pt) |
BR (1) | BRPI0416622A (pt) |
CA (1) | CA2546266A1 (pt) |
HK (1) | HK1097510A1 (pt) |
RU (1) | RU2351559C2 (pt) |
WO (1) | WO2005056860A2 (pt) |
Families Citing this family (39)
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JP2007520416A (ja) * | 2004-02-04 | 2007-07-26 | ダブリュー・アール・グレイス・アンド・カンパニー−コネチカット | 相互粉砕セメントに対する液体添加物 |
US7595282B2 (en) * | 2004-05-20 | 2009-09-29 | Halliburton Energy Services, Inc. | Methods and compositions of controlling the rheology of a diutan-containing well treatment fluid at high temperatures |
US20050261138A1 (en) * | 2004-05-20 | 2005-11-24 | Robb Ian D | Viscosified treatment fluids comprising scleroglucan or diutan and associated methods |
FR2884509B1 (fr) * | 2005-04-18 | 2007-07-06 | Chryso Soc Par Actions Simplif | Adjuvant pour reduire les ions chrome (vi) en chrome (iii) |
KR20080044246A (ko) * | 2005-08-12 | 2008-05-20 | 더블유.알. 그레이스 앤드 캄파니-콘. | 시멘트에서 크롬(vi)을 환원시키기 위한 투여량효과적인 저장 안정한 조성물 |
US20070034118A1 (en) * | 2005-08-12 | 2007-02-15 | Jardine Leslie A | Dosage efficient, storage stable compositions for reducing chromium (VI) in cement |
DE102005039824A1 (de) * | 2005-08-22 | 2007-03-01 | Se Tylose Gmbh & Co. Kg | Aufrechterhaltung der Wirksamkeit von veretherten Polysacchariden in Zement oder zementhaltigen Zubereitungen |
DE102005044941A1 (de) * | 2005-09-20 | 2007-03-22 | Eric Blauenstein | Verfahren und Mittel zur reduktiven Chromatentgiftung von Zementzubereitungen |
DE102005047289B3 (de) * | 2005-10-01 | 2007-02-15 | Se Tylose Gmbh & Co. Kg | Verwendung von 3-Alkoxy-2-hydroxypropyl-Derivaten der Cellulose in Zinn(II)-haltigen Zementen oder zementhaltigen Zubereitungen sowie diese enthaltender Zement |
US7296626B2 (en) * | 2005-11-08 | 2007-11-20 | Halliburton Energy Services, Inc. | Liquid additive for reducing water-soluble chromate |
FR2894956A1 (fr) * | 2005-12-20 | 2007-06-22 | Lafarge Sa | Particules de sulfate de fer enrobees et leur utilisation dans la preparation de ciments |
ES2284371B2 (es) * | 2006-01-27 | 2009-07-02 | Sociedad Anonima Tudela Veguin | Un producto aditivo para la reduccion del cromo (vi) en los cementos. |
ES2293819B1 (es) * | 2006-02-24 | 2009-04-01 | Proquicesa, S.L. | Disolucion de baja viscosidad con poder reductor del cromo vi. |
DE102006035969B4 (de) * | 2006-08-02 | 2009-08-13 | Tib Chemicals Ag | Herstellung von pulverförmigem Zinn(II)-sulfat |
PL1886979T3 (pl) * | 2006-08-11 | 2013-02-28 | Gcp Applied Tech Inc | Związki koordynacyjne metali do redukcji chromu |
EP1923370A1 (en) | 2006-11-02 | 2008-05-21 | Mapei S.p.A. | Additives and methods for reducing hexavalent chromium in cement and cement based materials |
KR100849395B1 (ko) * | 2007-03-28 | 2008-07-31 | 요업기술원 | 산화 안정성이 우수한 시멘트 6가 크롬 저감제 |
EP1992595A1 (en) * | 2007-05-10 | 2008-11-19 | Lafarge | Process to reduce the amount of Cr (VI) in a cement-containing composition and a composition comprising cement and coated metallic sulphate particles |
US8097666B2 (en) | 2007-05-30 | 2012-01-17 | W. R. Grace & Co.-Conn. | Cement additive for stucco applications |
FR2917401B1 (fr) * | 2007-06-12 | 2010-08-13 | Gerard Lang | Additif de reduction du chrome hexavalent, son procede d'obtention ,et applications de cet additif notamment dans les produits a base de ciments. |
WO2008155564A1 (en) * | 2007-06-21 | 2008-12-24 | Swelltec Limited | Apparatus and method with hydrocarbon swellable and water swellable body |
GB0711979D0 (en) * | 2007-06-21 | 2007-08-01 | Swelltec Ltd | Method and apparatus |
US7861955B2 (en) | 2007-11-15 | 2011-01-04 | United States Gypsum Company | Wet-grinding gypsum with polycarboxylates |
WO2009073026A1 (en) * | 2007-12-05 | 2009-06-11 | W.R. Grace & Co.-Conn. | Chromium-reducing transition metal carbonyls |
JP2009173494A (ja) * | 2008-01-25 | 2009-08-06 | Ube Ind Ltd | 水硬性組成物 |
ITMI20081467A1 (it) * | 2008-08-05 | 2010-02-06 | Amik Italia S P A | Composizione per la riduzione dei composti cromati in un conglomerato cementizio. |
EP2415726A1 (en) | 2009-01-28 | 2012-02-08 | Aditivos Del Cemento, S.L. | Composition for reducing cr (vi) into cement |
DE102010009444A1 (de) * | 2010-02-23 | 2011-08-25 | MIG Material Innovative Gesellschaft mbH, 33154 | Zusammensetzung für die Reduktion von Cr(VI)-Ionen in Zement oder zementhaltigen Produkten |
EP2363386A1 (de) * | 2010-02-23 | 2011-09-07 | Mig Material Innovative Gesellschaft MBH | Reduktion von Cr(VI)-Ionen in Zement oder zementhaltigen Produkten |
CA2810673C (en) * | 2010-09-27 | 2018-07-31 | W.R. Grace & Co.-Conn. | Dilution-stable cement grinding additive composition |
PL2650268T3 (pl) * | 2010-12-08 | 2019-03-29 | Denka Company Limited | Domieszka do cementu, kompozycja cementowa i sposób redukcji chromu sześciowartościowego z ich zastosowaniem |
FR2969144B1 (fr) * | 2010-12-15 | 2013-01-18 | Chryso | Adjuvant a base de fer pour reduire le chrome vi |
KR101101624B1 (ko) * | 2011-10-06 | 2012-01-02 | 이주용 | 결빙방지용 융설매트 |
EP2586757B1 (en) | 2011-10-28 | 2016-06-29 | GCP Applied Technologies Inc. | Liquid chromium reducer for highly oxidative cement grinding environments |
CN102515622B (zh) * | 2011-12-07 | 2013-09-04 | 山东宏艺科技股份有限公司 | 水泥除铬助磨剂及其制备方法 |
ITMI20120764A1 (it) | 2012-05-07 | 2013-11-08 | Mapei Spa | Additivo per cemento portland costituito da un riducente incapsulato in una matrice polimerica |
ES2663683T3 (es) * | 2012-07-06 | 2018-04-16 | Lanxess Deutschland Gmbh | Procedimiento para la reducción de cromo hexavalente en sustancias sólidas oxídicas |
KR101832676B1 (ko) | 2017-11-10 | 2018-02-28 | 조병학 | 시멘트 첨가물 및 그 제조방법 |
ES2926356B2 (es) | 2021-04-14 | 2023-02-27 | Aditivos Del Cemento S L | MEZCLA REDUCTORA DE Cr(VI) CONTENIDO EN CEMENTO A Cr(III) |
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FR2858612B1 (fr) * | 2003-08-08 | 2006-02-24 | Chryso Sas | Suspension aqueuse colloidale d'hydroxyde d'etain destinee a la reduction de chrome dans le ciment |
-
2004
- 2004-07-13 BR BRPI0416622-1A patent/BRPI0416622A/pt not_active IP Right Cessation
- 2004-07-13 AU AU2004297504A patent/AU2004297504B9/en not_active Ceased
- 2004-07-13 CA CA002546266A patent/CA2546266A1/en not_active Abandoned
- 2004-07-13 WO PCT/US2004/022430 patent/WO2005056860A2/en active Application Filing
- 2004-07-13 US US10/890,476 patent/US7128782B2/en active Active
- 2004-07-13 JP JP2006541118A patent/JP4712719B2/ja not_active Expired - Fee Related
- 2004-07-13 KR KR1020067009781A patent/KR101135941B1/ko not_active IP Right Cessation
- 2004-07-13 RU RU2006121974/04A patent/RU2351559C2/ru not_active IP Right Cessation
- 2004-11-19 EP EP20040257177 patent/EP1533287B1/en not_active Not-in-force
- 2004-11-19 EP EP09012216A patent/EP2143698A1/en not_active Withdrawn
-
2007
- 2007-03-28 HK HK07103326.2A patent/HK1097510A1/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
WO2005056860A3 (en) | 2005-08-11 |
EP1533287B1 (en) | 2015-05-20 |
JP2007522061A (ja) | 2007-08-09 |
EP1533287A1 (en) | 2005-05-25 |
US7128782B2 (en) | 2006-10-31 |
KR101135941B1 (ko) | 2012-04-24 |
AU2004297504B9 (en) | 2010-06-03 |
KR20070000400A (ko) | 2007-01-02 |
AU2004297504B2 (en) | 2010-05-06 |
JP4712719B2 (ja) | 2011-06-29 |
RU2351559C2 (ru) | 2009-04-10 |
EP2143698A1 (en) | 2010-01-13 |
RU2006121974A (ru) | 2007-12-27 |
CA2546266A1 (en) | 2005-06-23 |
HK1097510A1 (en) | 2007-06-29 |
WO2005056860A2 (en) | 2005-06-23 |
US20050109243A1 (en) | 2005-05-26 |
AU2004297504A1 (en) | 2005-06-23 |
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