FI780146A - Foerfarande foer framstaellning av kalciumsulfatkristallfibrer och deras anvaendning - Google Patents

Foerfarande foer framstaellning av kalciumsulfatkristallfibrer och deras anvaendning

Info

Publication number
FI780146A
FI780146A FI780146A FI780146A FI780146A FI 780146 A FI780146 A FI 780146A FI 780146 A FI780146 A FI 780146A FI 780146 A FI780146 A FI 780146A FI 780146 A FI780146 A FI 780146A
Authority
FI
Finland
Prior art keywords
calculation
extension
calcium sulphate
sulphate crystals
crystals
Prior art date
Application number
FI780146A
Other languages
English (en)
Finnish (fi)
Inventor
Hans Kyri
Lothar Preis
Hans Toepsch
Hermann 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/de
Priority claimed from DE19772702101 external-priority patent/DE2702101A1/de
Application filed by Bayer Ag filed Critical Bayer Ag
Publication of FI780146A publication Critical patent/FI780146A/fi

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)
  • Compositions Of Macromolecular Compounds (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
  • Glass Compositions (AREA)
FI780146A 1977-01-19 1978-01-17 Foerfarande foer framstaellning av kalciumsulfatkristallfibrer och deras anvaendning FI780146A (fi)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19772702098 DE2702098A1 (de) 1977-01-19 1977-01-19 Verfahren zur herstellung und die verwendung von whiskern aus calciumsulfat
DE19772702101 DE2702101A1 (de) 1977-01-19 1977-01-19 Calciumsulfatwhisker

Publications (1)

Publication Number Publication Date
FI780146A true FI780146A (fi) 1978-07-20

Family

ID=25771486

Family Applications (1)

Application Number Title Priority Date Filing Date
FI780146A FI780146A (fi) 1977-01-19 1978-01-17 Foerfarande foer framstaellning av kalciumsulfatkristallfibrer och deras anvaendning

Country Status (6)

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

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102383179B (zh) * 2011-10-09 2015-09-09 昆明理工大学 一种工业废酸与磷石膏综合利用的方法
CN102776569A (zh) * 2012-07-09 2012-11-14 泰山医学院 一种利用天然石膏制备硫酸钙晶须的方法
CN103014869B (zh) * 2012-12-28 2015-07-22 清华大学 一种超细高长径比无水硫酸钙晶须的可控制备方法
CN104328480B (zh) * 2013-09-11 2015-08-05 江西峰竺新材料科技有限公司 一种硫酸钙晶须制备方法
CN110934323A (zh) * 2020-01-07 2020-03-31 湖北中烟工业有限责任公司 一种利用石膏晶须复合制备烟草薄片的方法

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
ES466113A1 (es) 1978-10-01
GB1573883A (en) 1980-08-28
SE7800589L (sv) 1978-07-20
FR2377970A1 (fr) 1978-08-18
NL7800544A (nl) 1978-07-21

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Legal Events

Date Code Title Description
FA Application withdrawn

Owner name: BAYER AG