CL2008002396A1 - Metodo para reducir agua en lechada de yeso, que comprende preparar una lechada que contiene agua, yeso calcinado, antiespumante y dispersante, y proceder a agregar una primera y una segunda porcion de un retardador; lechada de yeso. - Google Patents

Metodo para reducir agua en lechada de yeso, que comprende preparar una lechada que contiene agua, yeso calcinado, antiespumante y dispersante, y proceder a agregar una primera y una segunda porcion de un retardador; lechada de yeso.

Info

Publication number
CL2008002396A1
CL2008002396A1 CL2008002396A CL2008002396A CL2008002396A1 CL 2008002396 A1 CL2008002396 A1 CL 2008002396A1 CL 2008002396 A CL2008002396 A CL 2008002396A CL 2008002396 A CL2008002396 A CL 2008002396A CL 2008002396 A1 CL2008002396 A1 CL 2008002396A1
Authority
CL
Chile
Prior art keywords
gypsum
slurry
retarder
dispersant
antifoam
Prior art date
Application number
CL2008002396A
Other languages
English (en)
Inventor
James R Wittbold
Bruce Lynn Petersen
Alfred Li
Original Assignee
United States Gypsum Co
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by United States Gypsum Co filed Critical United States Gypsum Co
Publication of CL2008002396A1 publication Critical patent/CL2008002396A1/es

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
    • C04B24/26—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • C04B24/2641—Polyacrylates; Polymethacrylates
    • C04B24/2647—Polyacrylates; Polymethacrylates containing polyether side chains
    • 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
    • C04B24/16—Sulfur-containing compounds
    • C04B24/161—Macromolecular compounds comprising sulfonate or sulfate groups
    • C04B24/163—Macromolecular compounds comprising sulfonate or sulfate groups obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • C04B24/165—Macromolecular compounds comprising sulfonate or sulfate groups obtained by reactions only involving carbon-to-carbon unsaturated bonds containing polyether side chains
    • 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
    • C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
    • C04B28/14—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing calcium sulfate cements
    • 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
    • C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
    • C04B28/14—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing calcium sulfate cements
    • C04B28/145—Calcium sulfate hemi-hydrate with a specific crystal form
    • 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
    • C04B2103/40—Surface-active agents, dispersants
    • C04B2103/408—Dispersants
    • 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
    • C04B2111/00474—Uses not provided for elsewhere in C04B2111/00
    • C04B2111/00612—Uses not provided for elsewhere in C04B2111/00 as one or more layers of a layered structure
    • C04B2111/0062—Gypsum-paper board like materials

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Structural Engineering (AREA)
  • Materials Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Curing Cements, Concrete, And Artificial Stone (AREA)
  • Producing Shaped Articles From Materials (AREA)
  • Preparation Of Clay, And Manufacture Of Mixtures Containing Clay Or Cement (AREA)
  • Degasification And Air Bubble Elimination (AREA)
  • Emulsifying, Dispersing, Foam-Producing Or Wetting Agents (AREA)

Abstract

Método para reducir agua en lechada de yeso que comprende preparar lechada con agua, yeso calcinado, antiespumante y dispersante, donde el dispersante se compone de primera y segunda unidad repetitiva, agregar primera porción de retardadora lechada y agregar segunda porción de retardador a lechada; y lechada de yeso.
CL2008002396A 2007-08-17 2008-08-14 Metodo para reducir agua en lechada de yeso, que comprende preparar una lechada que contiene agua, yeso calcinado, antiespumante y dispersante, y proceder a agregar una primera y una segunda porcion de un retardador; lechada de yeso. CL2008002396A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US11/893,758 US7875114B2 (en) 2005-06-14 2007-08-17 Foamed slurry and building panel made therefrom

Publications (1)

Publication Number Publication Date
CL2008002396A1 true CL2008002396A1 (es) 2009-05-04

Family

ID=40379736

Family Applications (1)

Application Number Title Priority Date Filing Date
CL2008002396A CL2008002396A1 (es) 2007-08-17 2008-08-14 Metodo para reducir agua en lechada de yeso, que comprende preparar una lechada que contiene agua, yeso calcinado, antiespumante y dispersante, y proceder a agregar una primera y una segunda porcion de un retardador; lechada de yeso.

Country Status (17)

Country Link
US (1) US7875114B2 (es)
EP (1) EP2190797B1 (es)
JP (1) JP2010536606A (es)
KR (1) KR20100059873A (es)
CN (1) CN101801881A (es)
AR (1) AR067967A1 (es)
AU (1) AU2008289327A1 (es)
BR (1) BRPI0813604A2 (es)
CA (1) CA2694162A1 (es)
CL (1) CL2008002396A1 (es)
CO (1) CO6382152A2 (es)
HR (1) HRP20100134A2 (es)
MX (1) MX2010001836A (es)
RU (1) RU2010102862A (es)
TW (1) TW200911728A (es)
WO (1) WO2009025989A1 (es)
ZA (1) ZA201000897B (es)

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BR112014007712A2 (pt) 2011-10-24 2017-04-18 United States Gypsum Co divisor de fluxo para o sistema de distribuição de pasta fluida
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US8343273B1 (en) * 2012-03-30 2013-01-01 United States Gypsum Company Method of modifying beta stucco using diethylene-triamine-pentaacetic acid
US10189180B2 (en) 2014-01-15 2019-01-29 United States Gypsum Company Foam injection system with variable port inserts for slurry mixing and dispensing apparatus
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JP2010536606A (ja) 2010-12-02
AU2008289327A1 (en) 2009-02-26
US7875114B2 (en) 2011-01-25
ZA201000897B (en) 2010-10-27
WO2009025989A1 (en) 2009-02-26
HRP20100134A2 (hr) 2010-06-30
EP2190797A4 (en) 2015-09-23
RU2010102862A (ru) 2011-09-27
CN101801881A (zh) 2010-08-11
EP2190797A1 (en) 2010-06-02
US20080009565A1 (en) 2008-01-10
MX2010001836A (es) 2010-08-09
CA2694162A1 (en) 2009-02-26
BRPI0813604A2 (pt) 2015-08-25
KR20100059873A (ko) 2010-06-04
AR067967A1 (es) 2009-10-28

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