CA3255491A1 - Formule de plâtre à modeler à porosité accrue - Google Patents

Formule de plâtre à modeler à porosité accrue

Info

Publication number
CA3255491A1
CA3255491A1 CA3255491A CA3255491A CA3255491A1 CA 3255491 A1 CA3255491 A1 CA 3255491A1 CA 3255491 A CA3255491 A CA 3255491A CA 3255491 A CA3255491 A CA 3255491A CA 3255491 A1 CA3255491 A1 CA 3255491A1
Authority
CA
Canada
Prior art keywords
pottery plaster
pottery
stucco
plaster
composition
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.)
Pending
Application number
CA3255491A
Other languages
English (en)
Inventor
Guy L. Rosenthal
Christian HUCH
Jeffrey F. Grussing
Pamela L. Hargrove
Original Assignee
Knauf Gips KG
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 US18/074,664 external-priority patent/US20230382793A1/en
Application filed by Knauf Gips KG filed Critical Knauf Gips KG
Publication of CA3255491A1 publication Critical patent/CA3255491A1/fr
Pending legal-status Critical Current

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
    • 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
    • C04B28/147—Calcium sulfate hemi-hydrate with a specific crystal form beta-hemihydrate
    • 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
    • C04B2111/00939—Uses not provided for elsewhere in C04B2111/00 for the fabrication of moulds or cores
    • 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
    • C04B2111/00956—Uses not provided for elsewhere in C04B2111/00 for making sculptures or artistic casts

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Inorganic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Mold Materials And Core Materials (AREA)
  • Curing Cements, Concrete, And Artificial Stone (AREA)
  • Compositions Of Oxide Ceramics (AREA)

Abstract

Dans un aspect, l'invention concerne une formulation de plâtre à modeler ayant une absorption d'eau accrue, comprenant de l'alpha stucco, du stuc calciné en continu, et une combinaison de sel de Rochelle et d'un ou plusieurs des éléments suivants : le sulfate de potassium et/ou un composé de phosphate. Selon un autre aspect, l'invention concerne des moules de plâtre à modeler ayant une absorption d'eau accrue et des procédés de fabrication et d'utilisation des moules de plâtre à modeler pour le coulage en barbotine d'articles en céramique.
CA3255491A 2022-05-27 2023-05-22 Formule de plâtre à modeler à porosité accrue Pending CA3255491A1 (fr)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US202263346557P 2022-05-27 2022-05-27
US63/346,557 2022-05-27
US18/074,664 2022-12-05
US18/074,664 US20230382793A1 (en) 2022-05-27 2022-12-05 Plaster formula with increased porosity
PCT/US2023/023107 WO2023229996A1 (fr) 2022-05-27 2023-05-22 Formule de plâtre à modeler à porosité accrue

Publications (1)

Publication Number Publication Date
CA3255491A1 true CA3255491A1 (fr) 2023-11-30

Family

ID=86776111

Family Applications (1)

Application Number Title Priority Date Filing Date
CA3255491A Pending CA3255491A1 (fr) 2022-05-27 2023-05-22 Formule de plâtre à modeler à porosité accrue

Country Status (3)

Country Link
CA (1) CA3255491A1 (fr)
MX (1) MX2024014360A (fr)
WO (1) WO2023229996A1 (fr)

Family Cites Families (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA420491A (fr) * 1944-05-30 C. Dailey Manvel Platre a mouler
US2391855A (en) 1941-08-09 1945-12-25 Bean Xarifa Plaster body and method of making
US2907667A (en) 1956-03-30 1959-10-06 United States Gypsum Co Process of calcining gypsum
US3236509A (en) 1961-11-13 1966-02-22 British Plaster Board Holdings Process and apparatus for continuous calcining of powdered gypsum rock
US3307915A (en) 1964-01-22 1967-03-07 Georgia Pacific Corp Apparatus for continuous calcination of gypsum
DE1238374B (de) 1965-04-24 1967-04-06 Giulini Ges Mit Beschraenkter Verfahren zur Herstellung von alpha-Calciumsulfat-Halbhydrat
DE1805126C3 (de) * 1968-10-25 1975-05-28 H. & E. Boergardts Kg, 3425 Walkenried Masse zur Herstellung von Arbeitsformen für die keramische Industrie
US4113836A (en) 1976-10-29 1978-09-12 National Gypsum Company Continuous gypsum calcination process and kettle therefor
US4201595A (en) 1977-03-14 1980-05-06 United States Gypsum Company Process for preparing calcined gypsum and gypsum board
US4117070A (en) 1977-03-14 1978-09-26 United States Gypsum Company Process for preparing calcined gypsum
US4183908A (en) 1977-06-24 1980-01-15 Southern California Edison Company Crystalline calcium sulfate dihydrate and process for making same
DE2844266C2 (de) 1978-10-11 1984-10-31 Giulini Chemie Gmbh, 6700 Ludwigshafen Hartgips, Verfahren zu seiner Herstellung und seine Verwendung
US4443261A (en) 1980-02-22 1984-04-17 Tenax Maskin Ab Method of preparing gypsum articles
JPS6031786B2 (ja) * 1982-08-13 1985-07-24 而至歯科工業株式会社 義歯埋没用セツコウ組成物
US6398864B1 (en) 1999-11-30 2002-06-04 United States Gypsum Company Pottery plaster formulations for the manufacture of plaster molds
US6355099B1 (en) * 2000-02-11 2002-03-12 United States Gypsum Company Plaster mixture for forming a machinable composition
US7771851B2 (en) * 2005-08-26 2010-08-10 United States Gypsum Company Gypsum-containing products containing alpha hemihydrate
US7588634B2 (en) 2006-09-20 2009-09-15 United States Gypsum Company Process for manufacturing ultra low consistency alpha- and beta- blend stucco
US7754006B2 (en) * 2007-03-20 2010-07-13 United States Gypsum Company Process for manufacturing ready-mixed setting alpha-calcium sulphate hemi-hydrate and kit for same
US8343273B1 (en) * 2012-03-30 2013-01-01 United States Gypsum Company Method of modifying beta stucco using diethylene-triamine-pentaacetic acid
CN106671249A (zh) * 2015-11-11 2017-05-17 华北理工大学 一种丙烯酸原位聚合改性石膏模具的制备方法
CN107775789B (zh) * 2017-11-03 2020-06-09 钦州学院 高强度坭兴陶石膏模具的制作工艺

Also Published As

Publication number Publication date
MX2024014360A (es) 2024-12-06
WO2023229996A1 (fr) 2023-11-30

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