IT1109145B - Procedimento per la produzione di fibre inorganiche a base di solfato di calcio - Google Patents

Procedimento per la produzione di fibre inorganiche a base di solfato di calcio

Info

Publication number: IT1109145B
Authority: IT; Italy
Prior art keywords: production process; inorganic fiber; calcium sulphate; based inorganic; fiber production
Prior art date: 1977-07-01

Application number

IT68375/78A

Other languages

English (en)

Italian (it)

Other versions

IT7868375A0 (it

Original Assignee

Sueddeutsche Kalkstickstoff

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.)

1977-07-01

Filing date

1978-06-13

Publication date

1985-12-16

1978-06-13 Application filed by Sueddeutsche Kalkstickstoff filed Critical Sueddeutsche Kalkstickstoff

1978-06-13 Publication of IT7868375A0 publication Critical patent/IT7868375A0/it

1985-12-16 Application granted granted Critical

1985-12-16 Publication of IT1109145B publication Critical patent/IT1109145B/it

Links

OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 title 2
235000011132 calcium sulphate Nutrition 0.000 title 1
239000001175 calcium sulphate Substances 0.000 title 1
238000007380 fibre production Methods 0.000 title 1
239000012784 inorganic fiber Substances 0.000 title 1
238000000034 method Methods 0.000 title 1

Classifications

- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K7/00—Use of ingredients characterised by shape
- C08K7/02—Fibres or whiskers
- C08K7/04—Fibres or whiskers inorganic
- C08K7/08—Oxygen-containing compounds
- 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
- C01F11/466—Conversion of one form of calcium sulfate to another
- 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
- C01P2004/01—Particle morphology depicted by an image
- 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)
Organic Chemistry (AREA)
Engineering & Computer Science (AREA)
Ceramic Engineering (AREA)
Polymers & Plastics (AREA)
Health & Medical Sciences (AREA)
Chemical Kinetics & Catalysis (AREA)
Medicinal Chemistry (AREA)
Life Sciences & Earth Sciences (AREA)
Inorganic Chemistry (AREA)
Civil Engineering (AREA)
Geology (AREA)
Materials Engineering (AREA)
Structural Engineering (AREA)
Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
Inorganic Fibers (AREA)
Paper (AREA)

IT68375/78A 1977-07-01 1978-06-13 Procedimento per la produzione di fibre inorganiche a base di solfato di calcio IT1109145B (it)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE2729842A DE2729842B2 (de)	1977-07-01	1977-07-01	Verfahren zur Herstellung von anorganischen Fasern auf Basis von Calciumsulfat

Publications (2)

Publication Number	Publication Date
IT7868375A0 IT7868375A0 (it)	1978-06-13
IT1109145B true IT1109145B (it)	1985-12-16

Family

ID=6012958

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
IT68375/78A IT1109145B (it)	1977-07-01	1978-06-13	Procedimento per la produzione di fibre inorganiche a base di solfato di calcio

Country Status (8)

Country	Link
JP (1)	JPS5418927A (de)
AT (1)	AT361103B (de)
CA (1)	CA1121973A (de)
DE (1)	DE2729842B2 (de)
FR (1)	FR2395965A1 (de)
GB (1)	GB1597668A (de)
IT (1)	IT1109145B (de)
SE (1)	SE431234B (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB2053874B (en) *	1977-12-29	1982-07-28	Idemitsu Kosan Co	Production of calcium sulphate
US4801355A (en) *	1987-01-16	1989-01-31	United States Gypsum Company	Tabular acicular gypsum and method of filling paper
FR2629069B1 (fr) *	1988-03-24	1990-11-23	Lafarge Sa Platres	Procede de preparation de sulfate de calcium a structure cristalline longiligne dotee d'une longueur et d'un facteur de forme maitrises
FR2640961B1 (de) *	1988-12-22	1993-04-02	Lafarge Platres
US7273579B2 (en) *	2004-01-28	2007-09-25	United States Gypsum Company	Process for production of gypsum/fiber board

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR932226A (fr) *	1946-08-13	1948-03-16	Cie Des Phosphates Et Du Chemi	Procédé pour favoriser la formation d'aiguilles dans les précipités de gypse
GB1038025A (en) *	1963-08-16	1966-08-03	Bpb Industries Ltd	Lightweight material and production thereof
US4029512A (en) *	1974-08-05	1977-06-14	Johns-Manville Corporation	Method for the preparation of fibrous insoluble calcium sulfate anhydrite
SE7601262L (sv) *	1975-02-07	1976-08-09	Ici Ltd	Fiberarmerat material och sett for dess framstellning
JPS51109295A (ja) *	1975-03-22	1976-09-28	Idemitsu Kosan Co	Kaishitsusaretaketsushoseisetsukoseninoseizohoho
DE2621611C3 (de) *	1976-05-14	1981-06-25	Skw Trostberg Ag, 8223 Trostberg	Anorganische Fasern, Verfahren zu deren Herstellung sowie deren Verwendung

1977
- 1977-07-01 DE DE2729842A patent/DE2729842B2/de not_active Ceased
1978
- 1978-05-16 GB GB19980/78A patent/GB1597668A/en not_active Expired
- 1978-06-05 CA CA000304806A patent/CA1121973A/en not_active Expired
- 1978-06-13 IT IT68375/78A patent/IT1109145B/it active
- 1978-06-29 SE SE7807379A patent/SE431234B/sv unknown
- 1978-06-30 JP JP7969878A patent/JPS5418927A/ja active Pending
- 1978-06-30 AT AT477378A patent/AT361103B/de not_active IP Right Cessation
- 1978-06-30 FR FR7819694A patent/FR2395965A1/fr not_active Withdrawn

Also Published As

Publication number	Publication date
IT7868375A0 (it)	1978-06-13
DE2729842A1 (de)	1979-01-25
SE431234B (sv)	1984-01-23
AT361103B (de)	1981-02-25
FR2395965A1 (fr)	1979-01-26
SE7807379L (sv)	1979-01-02
DE2729842B2 (de)	1979-05-23
GB1597668A (en)	1981-09-09
ATA477378A (de)	1980-07-15
CA1121973A (en)	1982-04-20
JPS5418927A (en)	1979-02-13

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