MW878A1 - Improvements relating to gypsum products - Google Patents

Improvements relating to gypsum products

Info

Publication number
MW878A1
MW878A1 MW8/78A MW878A MW878A1 MW 878 A1 MW878 A1 MW 878A1 MW 8/78 A MW8/78 A MW 8/78A MW 878 A MW878 A MW 878A MW 878 A1 MW878 A1 MW 878A1
Authority
MW
MALAWI
Prior art keywords
improvements relating
gypsum products
gypsum
products
relating
Prior art date
Application number
MW8/78A
Other languages
English (en)
Original Assignee
Gypsum Ind Ltd
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 Gypsum Ind Ltd filed Critical Gypsum Ind Ltd
Publication of MW878A1 publication Critical patent/MW878A1/xx

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
    • 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
    • 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
    • C04B2111/20—Resistance against chemical, physical or biological attack
    • C04B2111/27—Water resistance, i.e. waterproof or water-repellent materials

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Structural Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Chemistry (AREA)
  • Curing Cements, Concrete, And Artificial Stone (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
  • Materials Applied To Surfaces To Minimize Adherence Of Mist Or Water (AREA)
  • Preparation Of Clay, And Manufacture Of Mixtures Containing Clay Or Cement (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Producing Shaped Articles From Materials (AREA)
  • Press-Shaping Or Shaping Using Conveyers (AREA)
MW8/78A 1977-04-29 1978-03-23 Improvements relating to gypsum products MW878A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ZA00772579A ZA772579B (en) 1977-04-29 1977-04-29 Improvements relating to gypsum products

Publications (1)

Publication Number Publication Date
MW878A1 true MW878A1 (en) 1978-11-08

Family

ID=25571520

Family Applications (1)

Application Number Title Priority Date Filing Date
MW8/78A MW878A1 (en) 1977-04-29 1978-03-23 Improvements relating to gypsum products

Country Status (20)

Country Link
US (1) US4140536A (xx)
JP (1) JPS5415934A (xx)
AR (1) AR218665A1 (xx)
AU (1) AU507429B2 (xx)
BE (1) BE866575A (xx)
BR (1) BR7802716A (xx)
CA (1) CA1098136A (xx)
DE (1) DE2818835C2 (xx)
DK (1) DK146620C (xx)
ES (1) ES469224A1 (xx)
FR (1) FR2388772A1 (xx)
IL (1) IL54575A (xx)
IN (1) IN148213B (xx)
LU (1) LU79549A1 (xx)
MW (1) MW878A1 (xx)
NL (1) NL177306C (xx)
NO (1) NO145158C (xx)
NZ (1) NZ187118A (xx)
SE (1) SE426385B (xx)
ZA (1) ZA772579B (xx)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56154521A (en) * 1980-05-02 1981-11-30 Hiroyuki Kanai Rotary ring for yarn spinning
JPS56154519A (en) * 1980-05-02 1981-11-30 Hiroyuki Kanai Rotary ring for yarn spinning
US4424148A (en) * 1981-02-17 1984-01-03 United States Gypsum Company Process for preparing wastes for non-pollutant disposal
US4797160A (en) * 1984-08-31 1989-01-10 University Of Dayton Phase change compositions
AT388550B (de) * 1987-06-27 1989-07-25 Muanyagipari Kutato Intezet Verfahren zur hydrophobierung von gipsgegenstaenden
US5740666A (en) * 1989-08-03 1998-04-21 Yamaguchi; Hiroshi Method and system for controlling the rotational speed of a rotary ring member
JPH0375375U (xx) * 1989-11-24 1991-07-29
DE4138627A1 (de) * 1991-11-25 1993-05-27 Buna Ag Verfahren zur hydrophobierung von calciumsulfatprodukten
CA2116483C (en) * 1994-02-25 1997-07-22 Lionel Borenstein Water-resistant gypsum compositions and emulsion for making same
GB9700372D0 (en) * 1997-01-06 1997-02-26 Walker Ind Holdings Limited Water resistant gypsum compositions and emulsions
FR2789678B1 (fr) * 1999-02-12 2001-03-30 Lafarge Platres Element de construction a base de platre resistant a l'eau, et procede de fabrication
WO2002098816A1 (en) * 2001-06-04 2002-12-12 Walker Industries Holdings Limited Wax emulsion formulation and gypsum composition containing same
EP1556313B1 (en) * 2002-10-10 2006-12-13 HRD Corp An additive to render gypsum board moisture resistant
DE102005035515A1 (de) 2005-07-26 2007-02-01 Sasol Wax Gmbh O/W Wachsdispersionen und hieraus erhältliche Gipsprodukte
WO2007054541A1 (en) * 2005-11-10 2007-05-18 Shell Internationale Research Maatschappij B.V. Roofing felt composition
WO2012115688A1 (en) 2011-02-24 2012-08-30 Henry Company Llc Aqueous wax emulsions having reduced solids content for use in gypsum compositions and building products

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2198776A (en) * 1936-08-29 1940-04-30 United States Gypsum Co Water-resistant cementitious product
US2432963A (en) * 1945-03-30 1947-12-16 United States Gypsum Co Water-resistant gypsum products and process of making
US2464759A (en) * 1945-03-30 1949-03-15 United States Gypsum Co Water-repellent coating composition and method of coating
US2483806A (en) * 1946-09-18 1949-10-04 Stancal Asphalt & Bitumuls Com Waterproof concrete composition
US2526537A (en) * 1946-11-16 1950-10-17 United States Gypsum Co Water-resistant gypsum products and method of making
US2526538A (en) * 1946-11-16 1950-10-17 United States Gypsum Co Water-resistant gypsum products and method of making
US3935021A (en) * 1973-11-05 1976-01-27 Georgia-Pacific Corporation Water-resistant gypsum products
JPS51115533A (en) * 1975-04-03 1976-10-12 Mitsubishi Chem Ind Water repellent gypsum compound

Also Published As

Publication number Publication date
ZA772579B (en) 1979-01-31
LU79549A1 (fr) 1978-11-03
AU507429B2 (en) 1980-02-14
DK186778A (da) 1978-10-30
NL177306B (nl) 1985-04-01
NO781454L (no) 1978-10-31
NO145158C (no) 1982-01-27
SE7804946L (sv) 1978-10-30
BE866575A (fr) 1978-08-14
DK146620C (da) 1984-04-30
NZ187118A (en) 1979-10-25
NL177306C (nl) 1985-09-02
US4140536A (en) 1979-02-20
IL54575A (en) 1981-07-31
NL7804658A (nl) 1978-10-31
AR218665A1 (es) 1980-06-30
JPS5415934A (en) 1979-02-06
SE426385B (sv) 1983-01-17
NO145158B (no) 1981-10-19
DK146620B (da) 1983-11-21
ES469224A1 (es) 1979-10-01
FR2388772B1 (xx) 1983-11-18
FR2388772A1 (fr) 1978-11-24
DE2818835A1 (de) 1978-11-02
CA1098136A (en) 1981-03-24
BR7802716A (pt) 1978-11-14
IN148213B (xx) 1980-12-06
IL54575A0 (en) 1978-07-31
DE2818835C2 (de) 1982-10-28
AU3550178A (en) 1979-11-01
JPS5627461B2 (xx) 1981-06-25

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