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CA2619960C - Modified landplaster as a wallboard filler - Google Patents

Modified landplaster as a wallboard filler Download PDF

Info

Publication number
CA2619960C
CA2619960C CA2619960A CA2619960A CA2619960C CA 2619960 C CA2619960 C CA 2619960C CA 2619960 A CA2619960 A CA 2619960A CA 2619960 A CA2619960 A CA 2619960A CA 2619960 C CA2619960 C CA 2619960C
Authority
CA
Canada
Prior art keywords
calcium sulfate
coating
slurry
gypsum
dispersant
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Fee Related
Application number
CA2619960A
Other languages
English (en)
French (fr)
Other versions
CA2619960A1 (en
Inventor
David R. Blackburn
Qingxia Liu
Michael P. Shake
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
United States Gypsum Co
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
Priority claimed from US11/217,039 external-priority patent/US20070044687A1/en
Application filed by United States Gypsum Co filed Critical United States Gypsum Co
Publication of CA2619960A1 publication Critical patent/CA2619960A1/en
Application granted granted Critical
Publication of CA2619960C publication Critical patent/CA2619960C/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B28/00Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
    • C04B28/14Compositions 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
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2111/00Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
    • C04B2111/20Resistance against chemical, physical or biological attack
    • C04B2111/28Fire resistance, i.e. materials resistant to accidental fires or high temperatures
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2111/00Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
    • C04B2111/52Sound-insulating materials

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Inorganic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Curing Cements, Concrete, And Artificial Stone (AREA)
  • Dairy Products (AREA)
CA2619960A 2005-08-31 2006-08-25 Modified landplaster as a wallboard filler Expired - Fee Related CA2619960C (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US11/217,039 US20070044687A1 (en) 2005-08-31 2005-08-31 Modified landplaster as a wallboard filler
US11/217,039 2005-08-31
US11/490,150 2006-07-20
US11/490,150 US7601214B2 (en) 2005-08-31 2006-07-20 Modified landplaster as a wallboard filler
PCT/US2006/033297 WO2007027530A2 (en) 2005-08-31 2006-08-25 Modified landplaster as a wallboard filler

Publications (2)

Publication Number Publication Date
CA2619960A1 CA2619960A1 (en) 2007-03-08
CA2619960C true CA2619960C (en) 2014-11-04

Family

ID=37809386

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2619960A Expired - Fee Related CA2619960C (en) 2005-08-31 2006-08-25 Modified landplaster as a wallboard filler

Country Status (5)

Country Link
EP (1) EP1928652A2 (es)
AR (1) AR055626A1 (es)
AU (1) AU2006285062B2 (es)
CA (1) CA2619960C (es)
WO (1) WO2007027530A2 (es)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8563139B2 (en) * 2008-04-22 2013-10-22 United States Gypsum Company Non-hydrating plaster composition and method
FR2948933B1 (fr) * 2009-08-05 2013-05-10 Lafarge Sa Protection d'un dispersant contre des temperatures elevees
US10309771B2 (en) 2015-06-11 2019-06-04 United States Gypsum Company System and method for determining facer surface smoothness
US10207475B2 (en) 2016-05-13 2019-02-19 United States Gypsum Company Mat-faced board

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2078199A (en) * 1936-10-02 1937-04-20 United States Gypsum Co Heatproofed set-stabilized gypsum plaster
US3997692A (en) * 1974-09-16 1976-12-14 Lever Brothers Company Process of coating calcium sulfate dihydrate detergent filler particles
US4681644A (en) * 1985-09-27 1987-07-21 Usg Corporation Accelerator for gypsum plaster and process of manufacture
US6379458B1 (en) * 2000-02-11 2002-04-30 United States Gypsum Company Efficient set accelerator for plaster
ES2333003T3 (es) * 2002-03-27 2010-02-16 United States Gypsum Company Aditivos de alto peso molecular para composiciones de yeso calcinado y de cemento.
US6641658B1 (en) * 2002-07-03 2003-11-04 United States Gypsum Company Rapid setting cementitious composition
US6902797B2 (en) * 2002-11-12 2005-06-07 Innovative Construction And Building Materials Gypsum-based composite materials reinforced by cellulose ethers
US7276549B2 (en) * 2004-01-12 2007-10-02 United States Gypsum Company Surface enhancing coating for gypsum-containing floor underlayments

Also Published As

Publication number Publication date
WO2007027530A3 (en) 2007-06-28
AU2006285062B2 (en) 2010-09-09
WO2007027530A2 (en) 2007-03-08
AU2006285062A1 (en) 2007-03-08
EP1928652A2 (en) 2008-06-11
AR055626A1 (es) 2007-08-29
CA2619960A1 (en) 2007-03-08

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Legal Events

Date Code Title Description
EEER Examination request
MKLA Lapsed

Effective date: 20220301

MKLA Lapsed

Effective date: 20200831