AR075766A1 - COMPOSITE OF PRE-MIXED BOARD OF INSTANT STRENGTH AND METHOD TO PREPARE SUCH COMPOUND - Google Patents

COMPOSITE OF PRE-MIXED BOARD OF INSTANT STRENGTH AND METHOD TO PREPARE SUCH COMPOUND

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Publication number
AR075766A1
AR075766A1 ARP100100335A AR075766A1 AR 075766 A1 AR075766 A1 AR 075766A1 AR P100100335 A ARP100100335 A AR P100100335A AR 075766 A1 AR075766 A1 AR 075766A1
Authority
AR
Argentina
Prior art keywords
hardening
compound
joint
type
calcium
Prior art date
Application number
Other languages
Spanish (es)
Inventor
Richard B Stevens
Charles J Miller
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
Priority to ARP100100335 priority Critical patent/AR075766A1/en
Publication of AR075766A1 publication Critical patent/AR075766A1/en

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  • Curing Cements, Concrete, And Artificial Stone (AREA)

Abstract

Un compuesto de junta que incluye un compuesto de junta en forma de mezcla preparada, del tipo de endurecimiento, pre-humedecido e inhibido al endurecimiento y un iniciador de endurecimiento. El compuesto de junta del tipo de endurecimiento, pre-humedecido e inhibido al endurecimiento incluye un compuesto base de junta del tipo de endurecimiento y pre-mezclado con un agente de prevencion de endurecimiento de fosfato libre de calcio que impide la hidratacion química de un componente de yeso del compuesto de junta del tipo de endurecimiento. El compuesto base de junta está libre de carbonato de calcio. El iniciador de endurecimiento incluye alumbre para reiniciar las reacciones de hidratacion química. Reivindicacion 1: Un compuesto de junta que comprende: alumbre; un agente de prevencion de endurecimiento, de fosfato libre de calcio; agua; y un compuesto base de junta del tipo de endurecimiento que comprende sulfato de calcio hemihidrato, en donde dicho compuesto base de junta carece de carbonato de calcio agregado y dicho sulfato de calcio hemihidrato comprende menos de alrededor de 2% en peso de carbonato de calcio. Reivindicacion 10: Un método para preparar un compuesto de junta que comprende; obtener un compuesto base de junta del tipo de endurecimiento, pre-humedecido inhibido al endurecimiento que comprende sulfato de calcio hemihidrato, agua y un agente de prevencion de endurecimiento de fosfato libre de calcio, en donde dicho compuesto base de junta carece de carbonato de calcio agregado y dicho sulfato de calcio hemihidrato comprende menos del 2% en peso de carbonato de calcio; envasar dicho compuesto base de junta del tipo de endurecimiento, pre-humedecido, inhibido al endurecimiento con una porcion separada de alumbre; y mezclar dicho compuesto base de junta del tipo de endurecimiento, pre-humedecido, inhibido al endurecimiento y dicho alumbre.A joint compound that includes a joint compound in the form of a prepared mixture, of the type of hardening, pre-moistened and inhibited to hardening and a hardener initiator. The joint compound of the hardening type, pre-moistened and inhibited to hardening includes a base compound of the hardening type and pre-mixed with a calcium-free phosphate hardening prevention agent that prevents the chemical hydration of a component of plaster of the joint compound of the hardening type. The joint base compound is free of calcium carbonate. The hardening initiator includes alum to restart chemical hydration reactions. Claim 1: A joint compound comprising: alum; a hardening prevention agent, calcium-free phosphate; Water; and a joint base compound of the hardening type comprising calcium sulfate hemihydrate, wherein said joint base compound lacks added calcium carbonate and said calcium sulfate hemihydrate comprises less than about 2% by weight calcium carbonate. Claim 10: A method of preparing a joint compound comprising; obtaining a hardened, pre-wetted hardening type joint compound comprising calcium sulfate hemihydrate, water and a calcium-free phosphate hardening prevention agent, wherein said joint-based compound lacks calcium carbonate aggregate and said calcium sulfate hemihydrate comprises less than 2% by weight calcium carbonate; packaging said hardening joint compound of the pre-wetted hardening type inhibited to hardening with a separate portion of alum; and mixing said hardening joint compound of the pre-moistened type, hardened inhibition and said alum.

ARP100100335 2010-02-05 2010-02-05 COMPOSITE OF PRE-MIXED BOARD OF INSTANT STRENGTH AND METHOD TO PREPARE SUCH COMPOUND AR075766A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ARP100100335 AR075766A1 (en) 2010-02-05 2010-02-05 COMPOSITE OF PRE-MIXED BOARD OF INSTANT STRENGTH AND METHOD TO PREPARE SUCH COMPOUND

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ARP100100335 AR075766A1 (en) 2010-02-05 2010-02-05 COMPOSITE OF PRE-MIXED BOARD OF INSTANT STRENGTH AND METHOD TO PREPARE SUCH COMPOUND

Publications (1)

Publication Number Publication Date
AR075766A1 true AR075766A1 (en) 2011-04-27

Family

ID=43983423

Family Applications (1)

Application Number Title Priority Date Filing Date
ARP100100335 AR075766A1 (en) 2010-02-05 2010-02-05 COMPOSITE OF PRE-MIXED BOARD OF INSTANT STRENGTH AND METHOD TO PREPARE SUCH COMPOUND

Country Status (1)

Country Link
AR (1) AR075766A1 (en)

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