SE7800589L - CALCIUM SULPHATE CARD FIBERS AND METHODS OF PRODUCING THESE - Google Patents

CALCIUM SULPHATE CARD FIBERS AND METHODS OF PRODUCING THESE

Info

Publication number
SE7800589L
SE7800589L SE7800589A SE7800589A SE7800589L SE 7800589 L SE7800589 L SE 7800589L SE 7800589 A SE7800589 A SE 7800589A SE 7800589 A SE7800589 A SE 7800589A SE 7800589 L SE7800589 L SE 7800589L
Authority
SE
Sweden
Prior art keywords
producing
methods
calcium sulphate
card fibers
fibers
Prior art date
Application number
SE7800589A
Other languages
Swedish (sv)
Inventor
H Kyri
L Preis
H Toepsch
H Fries
Original Assignee
Bayer Ag
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 DE19772702098 external-priority patent/DE2702098A1/en
Priority claimed from DE19772702101 external-priority patent/DE2702101A1/en
Application filed by Bayer Ag filed Critical Bayer Ag
Publication of SE7800589L publication Critical patent/SE7800589L/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C30—CRYSTAL GROWTH
    • C30B—SINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
    • C30B7/00—Single-crystal growth from solutions using solvents which are liquid at normal temperature, e.g. aqueous solutions
    • 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
    • C30—CRYSTAL GROWTH
    • C30B—SINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
    • C30B29/00—Single crystals or homogeneous polycrystalline material with defined structure characterised by the material or by their shape
    • C30B29/60—Single crystals or homogeneous polycrystalline material with defined structure characterised by the material or by their shape characterised by shape
    • C30B29/62—Whiskers or needles

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Inorganic Chemistry (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
  • Glass Compositions (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
SE7800589A 1977-01-19 1978-01-18 CALCIUM SULPHATE CARD FIBERS AND METHODS OF PRODUCING THESE SE7800589L (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19772702098 DE2702098A1 (en) 1977-01-19 1977-01-19 Calcium sulphate whisker for reinforcing materials or mouldings - obtd. by cooling an acid soln. to crystallise the whiskers
DE19772702101 DE2702101A1 (en) 1977-01-19 1977-01-19 Calcium sulphate whiskers used as fillers - esp. in paper to reduce cost and increase strength and combustion resistance

Publications (1)

Publication Number Publication Date
SE7800589L true SE7800589L (en) 1978-07-20

Family

ID=25771486

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7800589A SE7800589L (en) 1977-01-19 1978-01-18 CALCIUM SULPHATE CARD FIBERS AND METHODS OF PRODUCING THESE

Country Status (6)

Country Link
ES (1) ES466113A1 (en)
FI (1) FI780146A (en)
FR (1) FR2377970A1 (en)
GB (1) GB1573883A (en)
NL (1) NL7800544A (en)
SE (1) SE7800589L (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102383179B (en) * 2011-10-09 2015-09-09 昆明理工大学 A kind of method that industrial waste acid and phosphogypsum fully utilize
CN102776569A (en) * 2012-07-09 2012-11-14 泰山医学院 Method for preparing calcium sulfate crystal whiskers by using natural gypsum
CN103014869B (en) * 2012-12-28 2015-07-22 清华大学 Controllable preparation method of ultrathin anhydrous calcium sulfate crystal whisker with high length-diameter ratio
CN104328480B (en) * 2013-09-11 2015-08-05 江西峰竺新材料科技有限公司 A kind of calcium sulphate crystal whisker preparation method
CN110934323A (en) * 2020-01-07 2020-03-31 湖北中烟工业有限责任公司 Method for preparing tobacco sheets by compounding gypsum whiskers

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1038025A (en) * 1963-08-16 1966-08-03 Bpb Industries Ltd Lightweight material and production thereof

Also Published As

Publication number Publication date
FR2377970A1 (en) 1978-08-18
FI780146A (en) 1978-07-20
NL7800544A (en) 1978-07-21
GB1573883A (en) 1980-08-28
ES466113A1 (en) 1978-10-01

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