GB1250411A - - Google Patents

Info

Publication number
GB1250411A
GB1250411A GB1250411DA GB1250411A GB 1250411 A GB1250411 A GB 1250411A GB 1250411D A GB1250411D A GB 1250411DA GB 1250411 A GB1250411 A GB 1250411A
Authority
GB
United Kingdom
Prior art keywords
sheet
coating
paper
slurry
plasterboard
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
Application number
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 filed Critical
Publication of GB1250411A publication Critical patent/GB1250411A/en
Expired 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
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
    • E04C2/02—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials
    • E04C2/04—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials of concrete or other stone-like material; of asbestos cement; of cement and other mineral fibres
    • E04C2/043—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials of concrete or other stone-like material; of asbestos cement; of cement and other mineral fibres of plaster
    • 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

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Structural Engineering (AREA)
  • Ceramic Engineering (AREA)
  • Architecture (AREA)
  • Inorganic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Chemistry (AREA)
  • Civil Engineering (AREA)
  • Laminated Bodies (AREA)
  • Paper (AREA)
  • Producing Shaped Articles From Materials (AREA)

Abstract

1,250,411. Moulding plasterboard. UNITED STATES GYPSUM CO. 29 Jan., 1969 [20 Feb., 1968], No. 5023/69. Heading B5A. Plasterboard which is continuously moulded by depositing an aqueous slurry of calcined gypsum, which may be a foamed slurry, on to a paper face sheet on a moving belt and then applying a back sheet on to the slurry and around which the edges of the face sheet are folded and bonded, is coated on the back sheet, after the plaster has set but before the core has dried, by a coating roll with an aqueous composition which is rendered permeable to water vapour by the removal of water therefrom whereafter the board is dried by heating thereof to drive moisture from the core through the coated paper sheet. Water may be removed from the coating by wicking into the underlying paper sheet or by evaporation, e.g. in a gas circulating oven, desirably at a temperature above 250‹ F. and preferably above 450‹ F. and, when the coating includes sand particles, permeability is increased by the pressing thereof into the paper. The coating preferably comprises a polyvinyl acetate emulsion binder, with or without an acrylic emulsion to achieve a higher viscosity, of which suitable formulations are given which include clay, with and without sand.
GB1250411D 1968-02-20 1969-01-29 Expired GB1250411A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US70677568A 1968-02-20 1968-02-20

Publications (1)

Publication Number Publication Date
GB1250411A true GB1250411A (en) 1971-10-20

Family

ID=24838995

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1250411D Expired GB1250411A (en) 1968-02-20 1969-01-29

Country Status (11)

Country Link
US (1) US3507684A (en)
JP (1) JPS4947013B1 (en)
BE (1) BE728651A (en)
DE (1) DE1908286B2 (en)
DK (1) DK126307B (en)
FR (1) FR2002274B1 (en)
GB (1) GB1250411A (en)
IE (1) IE32948B1 (en)
LU (1) LU58023A1 (en)
NL (1) NL6902404A (en)
NO (1) NO126315B (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3984596A (en) * 1971-04-01 1976-10-05 United States Gypsum Company Decorated gypsum board with expanded inorganic particle coating
US3798854A (en) * 1972-03-23 1974-03-26 S Hinojosa Prefinished wallboard
DE2718322A1 (en) * 1977-04-25 1978-10-26 Hoechst Ag PLASTER BOARD
DE2908271A1 (en) * 1979-03-02 1980-09-11 Rigips Baustoffwerke Gmbh PLASTERBOARD WITH A COATED VIEWING SIDE AND METHOD FOR PRODUCING SUCH A
FR2678652B1 (en) † 1991-07-02 1993-09-24 Platres Lafarge Sa PAPER USEFUL AS COATING PAPER FOR PLASTERBOARDS AND METHODS OF PREPARING SAME.
GB9918983D0 (en) 1999-08-11 1999-10-13 Bpb Plc Plasterboard
GB0130697D0 (en) 2001-12-21 2002-02-06 Placoplatre S A Plasterboard
CN1741860A (en) * 2002-12-13 2006-03-01 G-P石膏公司 Gypsum panel having UV-cured moisture resistant coating and method for making the same
CA2629987C (en) * 2007-04-30 2017-02-14 Fmc Corporation Flue gas desulfurization process utilizing hydrogen peroxide

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2342462A (en) * 1940-02-13 1944-02-22 Fibreboard Products Inc Manufacture of plaster lath
US2581076A (en) * 1946-03-01 1952-01-01 United States Gypsum Co Decorated wallboard and method of making the same
US2560521A (en) * 1946-05-10 1951-07-10 United States Gypsum Co Process of producing water-repellent gypsum sheathing board
US2776234A (en) * 1953-08-04 1957-01-01 Kaiser Gypsum Company Inc Vapor-permeable gypsum board
US3133040A (en) * 1958-02-20 1964-05-12 Borden Co Polyvinyl acetate emulsions with unsaturated esters
US3092600A (en) * 1959-09-23 1963-06-04 Kanegafuchi Spinning Co Ltd Modified polyvinyl acetate powders and compositions
US3356627A (en) * 1963-06-17 1967-12-05 Rohm & Haas Aqueous blends of two water-insoluble polymers, one of which has 1 to 15% of a monomer containing an alcoholic hydroxyl, amino, amido or ureido group

Also Published As

Publication number Publication date
IE32948L (en) 1969-08-20
FR2002274B1 (en) 1973-08-10
LU58023A1 (en) 1969-05-22
FR2002274A1 (en) 1969-10-17
NL6902404A (en) 1969-08-22
DK126307B (en) 1973-07-02
NO126315B (en) 1973-01-22
DE1908286A1 (en) 1969-09-11
JPS4947013B1 (en) 1974-12-13
BE728651A (en) 1969-08-01
DE1908286B2 (en) 1977-08-04
IE32948B1 (en) 1974-01-23
US3507684A (en) 1970-04-21

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PLNP Patent lapsed through nonpayment of renewal fees