IT1100592B - Metodo per la preparazione di solfato di calcio fibroso disperdibile e prodotto cosi' ottenuto - Google Patents

Metodo per la preparazione di solfato di calcio fibroso disperdibile e prodotto cosi' ottenuto

Info

Publication number
IT1100592B
IT1100592B IT30144/78A IT3014478A IT1100592B IT 1100592 B IT1100592 B IT 1100592B IT 30144/78 A IT30144/78 A IT 30144/78A IT 3014478 A IT3014478 A IT 3014478A IT 1100592 B IT1100592 B IT 1100592B
Authority
IT
Italy
Prior art keywords
preparation
product
calcium sulphate
fibrous calcium
dispersible fibrous
Prior art date
Application number
IT30144/78A
Other languages
English (en)
Other versions
IT7830144A0 (it
Original Assignee
Certain Teed Corp
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 Certain Teed Corp filed Critical Certain Teed Corp
Publication of IT7830144A0 publication Critical patent/IT7830144A0/it
Application granted granted Critical
Publication of IT1100592B publication Critical patent/IT1100592B/it

Links

Classifications

    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
    • D01F9/00—Artificial filaments or the like of other substances; Manufacture thereof; Apparatus specially adapted for the manufacture of carbon filaments
    • D01F9/08—Artificial filaments or the like of other substances; Manufacture thereof; Apparatus specially adapted for the manufacture of carbon filaments of inorganic material
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
    • C01F11/00—Compounds of calcium, strontium, or barium
    • C01F11/46—Sulfates
    • 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
    • C04B14/00—Use of inorganic materials as fillers, e.g. pigments, for mortars, concrete or artificial stone; Treatment of inorganic materials specially adapted to enhance their filling properties in mortars, concrete or artificial stone
    • C04B14/38—Fibrous materials; Whiskers
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/10—Particle morphology extending in one dimension, e.g. needle-like
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/60—Particles characterised by their size
    • C01P2004/61—Micrometer sized, i.e. from 1-100 micrometer

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Ceramic Engineering (AREA)
  • Geology (AREA)
  • Structural Engineering (AREA)
  • Materials Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Civil Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Textile Engineering (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
  • Inorganic Fibers (AREA)
  • Curing Cements, Concrete, And Artificial Stone (AREA)
IT30144/78A 1977-11-25 1978-11-24 Metodo per la preparazione di solfato di calcio fibroso disperdibile e prodotto cosi' ottenuto IT1100592B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/854,774 US4152408A (en) 1977-11-25 1977-11-25 Fibrous calcium sulfate

Publications (2)

Publication Number Publication Date
IT7830144A0 IT7830144A0 (it) 1978-11-24
IT1100592B true IT1100592B (it) 1985-09-28

Family

ID=25319494

Family Applications (1)

Application Number Title Priority Date Filing Date
IT30144/78A IT1100592B (it) 1977-11-25 1978-11-24 Metodo per la preparazione di solfato di calcio fibroso disperdibile e prodotto cosi' ottenuto

Country Status (14)

Country Link
US (1) US4152408A (it)
JP (1) JPS5482397A (it)
AU (1) AU527260B2 (it)
BE (1) BE872265A (it)
BR (1) BR7807575A (it)
CA (1) CA1115487A (it)
DE (1) DE2849313A1 (it)
ES (1) ES474824A1 (it)
FR (1) FR2415077A1 (it)
GB (3) GB2085418B (it)
IT (1) IT1100592B (it)
MX (1) MX150726A (it)
NL (1) NL187532C (it)
SE (1) SE444672B (it)

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4362651A (en) * 1979-03-22 1982-12-07 Schwarzenbek Eugene F High porosity catalysts
US4286995A (en) * 1980-03-27 1981-09-01 National Gypsum Company Mica-free joint compound
JPS56145116A (en) * 1980-04-14 1981-11-11 Idemitsu Kosan Co Ltd Continuous preparation of light gypsum
SE8302590L (sv) * 1983-05-06 1984-11-07 Boliden Ab Forfarande for framstellning av fibergips (i)
SE8302592L (sv) * 1983-05-06 1984-11-07 Boliden Ab Forfarande for framstellning av fibergips (iii)
US4647486A (en) * 1983-12-28 1987-03-03 United States Gypsum Company Fire resistant gypsum board . . . anhydrite
US5148645A (en) * 1984-02-27 1992-09-22 Georgia-Pacific Corporation Use of fibrous mat-faced gypsum board in shaft wall assemblies and improved fire resistant board
US4722866A (en) * 1985-04-09 1988-02-02 Georgia-Pacific Corporation Fire resistant gypsum board
US4664707A (en) * 1985-04-09 1987-05-12 Georgia-Pacific Corporation Fire resistant gypsum composition
US4801355A (en) * 1987-01-16 1989-01-31 United States Gypsum Company Tabular acicular gypsum and method of filling paper
HU216298B (hu) * 1988-11-18 1999-06-28 United States Gypsum Co. Építési és vakolatanyagként alkalmazható gipszalapú kompozíciók, falburkoló lemez, és eljárás a kompozíció előállítására
JPH03504596A (ja) * 1989-03-16 1991-10-09 ユナイテツド　ステイツ　ジプサム　カンパニー 硫酸カルシウム・マイクロフアイバの製造方法及び装置
US5103844A (en) * 1990-06-07 1992-04-14 R. J. Reynolds Tobacco Company Cigarette paper and cigarette incorporating same
US5401588A (en) * 1992-12-23 1995-03-28 Georgia-Pacific Resins Inc. Gypsum microfiber sheet material
GB9310891D0 (en) * 1993-05-26 1993-07-14 Tran Ind Res Inc Utilization of deinking sludge in building materials
US7556791B2 (en) * 2006-12-20 2009-07-07 United States Gypsum Company Gypsum anhydrite fillers and process for making same
CN101311337B (zh) * 2008-04-25 2010-06-16 东北大学 利用烟气脱硫石膏制备硫酸钙晶须的方法
CN101475328B (zh) * 2009-01-20 2011-03-30 天津科技大学 石膏转晶激发剂及在盐石膏生产建筑石膏中的应用
CN101550602B (zh) * 2009-05-19 2011-10-05 武汉科技大学 一种以脱硫石膏为原料的CaSO4晶须及其制备方法
PL2327672T3 (pl) 2009-11-16 2017-08-31 Bpb Limited Materiał na bazie zaprawy gipsowej zawierający środek zdolny do zatrzymywania formaldehydu
CN102002756B (zh) * 2010-11-16 2013-03-20 东北大学 利用烧结矿烟气脱硫副产物制备硫酸钙晶须的方法
CN103436950B (zh) * 2013-09-16 2016-03-16 金正大生态工程集团股份有限公司 一种盐酸分解磷矿联产硫酸钙晶须和磷铵肥料的生产方法
WO2015085133A1 (en) * 2013-12-06 2015-06-11 Georgia-Pacific Gypsum Llc Calcium sulfate crystals and methods for making the same
CN104947179A (zh) * 2015-06-18 2015-09-30 张灵芝 一种硫酸钙晶须的制备方法
CN110257915A (zh) * 2018-12-04 2019-09-20 天津科技大学 一种以浓厚卤水为原料制取生产高品质半水硫酸钙晶须的方法
CN113512761A (zh) * 2021-07-09 2021-10-19 浙江钙宝新材料有限公司 一种工业固废石膏的纯化及制备硫酸钙晶须方法
CN113774716A (zh) * 2021-09-08 2021-12-10 福泉环保城发展有限公司 一种提高纸张强度的多功能助剂及其制备方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3961105A (en) * 1972-03-27 1976-06-01 Certain-Teed Products Corporation Method for the manufacture of coated calcium sulfate whisker fibers
US3822340A (en) * 1972-03-27 1974-07-02 Franklin Key Calcium sulfate whisker fibers and the method for the manufacture thereof
US3977890A (en) * 1972-08-16 1976-08-31 Johns-Manville Corporation Method for the preparation of fibrous calcium sulfate hemihydrate
US3835219A (en) * 1972-08-16 1974-09-10 Johns Manville Method for the preparation of fibrous soluble calcium sulfate anhydrite
US4029512A (en) * 1974-08-05 1977-06-14 Johns-Manville Corporation Method for the preparation of fibrous insoluble calcium sulfate anhydrite
JPS5812235B2 (ja) * 1975-09-29 1983-03-07 オノダセメント カブシキガイシヤ セツコウシンジヨウケツシヨウセンイ ノ セイゾウホウホウ

Also Published As

Publication number Publication date
AU527260B2 (en) 1983-02-24
GB2085418A (en) 1982-04-28
DE2849313A1 (de) 1979-05-31
DE2849313C2 (it) 1987-04-23
CA1115487A (en) 1982-01-05
AU4186478A (en) 1979-05-31
NL187532C (nl) 1991-11-01
US4152408A (en) 1979-05-01
GB2090583A (en) 1982-07-14
SE7812144L (sv) 1979-05-26
BR7807575A (pt) 1979-07-24
NL7811529A (nl) 1979-05-29
GB2090583B (en) 1982-11-24
ES474824A1 (es) 1979-03-16
GB2009124A (en) 1979-06-13
JPS6213285B2 (it) 1987-03-25
NL187532B (nl) 1991-06-03
MX150726A (es) 1984-07-06
JPS5482397A (en) 1979-06-30
GB2009124B (en) 1982-10-20
SE444672B (sv) 1986-04-28
FR2415077B1 (it) 1984-08-03
GB2085418B (en) 1982-12-15
BE872265A (fr) 1979-05-25
FR2415077A1 (fr) 1979-08-17
IT7830144A0 (it) 1978-11-24

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