DD246679A3 - Verfahren zur abtrennung von dichtmaterial und darin eingeschlossenem graphit von synthesediamanten - Google Patents

Verfahren zur abtrennung von dichtmaterial und darin eingeschlossenem graphit von synthesediamanten Download PDF

Info

Publication number: DD246679A3
Authority: DD; German Democratic Republic
Prior art keywords: treatment; hydrofluoric acid; diamonds; sealing material; aluminosilicates
Prior art date: 1985-02-12

Application number

DD27320485A

Other languages

German (de)

English (en)

Inventor

Frank Herfurth

Adolf Rericha

Stefan Krueger

Original Assignee

Rationalisierung B Wdb Potsdam

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.)

1985-02-12

Filing date

1985-02-12

Publication date

1987-06-17

1985-02-12 Application filed by Rationalisierung B Wdb Potsdam filed Critical Rationalisierung B Wdb Potsdam

1985-02-12 Priority to DD27320485A priority Critical patent/DD246679A3/de

1985-11-12 Priority to CS858120A priority patent/CS260997B1/cs

1985-11-15 Priority to BG7239085A priority patent/BG47550A1/xx

1987-06-17 Publication of DD246679A3 publication Critical patent/DD246679A3/de

Links

238000000034 method Methods 0.000 title claims abstract description 15
239000010432 diamond Substances 0.000 title claims abstract description 12
OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 9
239000010439 graphite Substances 0.000 title claims abstract description 9
229910002804 graphite Inorganic materials 0.000 title claims abstract description 9
230000015572 biosynthetic process Effects 0.000 title description 5
238000003786 synthesis reaction Methods 0.000 title description 5
239000003566 sealing material Substances 0.000 title 1
KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 claims abstract description 26
229910000323 aluminium silicate Inorganic materials 0.000 claims abstract description 8
238000006243 chemical reaction Methods 0.000 claims abstract description 7
238000000926 separation method Methods 0.000 claims abstract description 5
HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 24
238000010306 acid treatment Methods 0.000 claims description 6
239000007800 oxidant agent Substances 0.000 claims description 2
230000035484 reaction time Effects 0.000 claims description 2
229910052799 carbon Inorganic materials 0.000 claims 1
230000001590 oxidative effect Effects 0.000 claims 1
239000000203 mixture Substances 0.000 abstract description 7
QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 abstract description 6
238000002360 preparation method Methods 0.000 abstract description 3
230000003647 oxidation Effects 0.000 abstract description 2
238000007254 oxidation reaction Methods 0.000 abstract description 2
VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 6
238000001914 filtration Methods 0.000 description 6
235000011121 sodium hydroxide Nutrition 0.000 description 6
239000000463 material Substances 0.000 description 5
238000009835 boiling Methods 0.000 description 4
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
239000002253 acid Substances 0.000 description 3
239000003054 catalyst Substances 0.000 description 3
239000007788 liquid Substances 0.000 description 3
150000008044 alkali metal hydroxides Chemical class 0.000 description 2
229910021538 borax Inorganic materials 0.000 description 2
238000001816 cooling Methods 0.000 description 2
BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 2
239000004810 polytetrafluoroethylene Substances 0.000 description 2
229920001343 polytetrafluoroethylene Polymers 0.000 description 2
PUZPDOWCWNUUKD-UHFFFAOYSA-M sodium fluoride Chemical compound [F-].[Na+] PUZPDOWCWNUUKD-UHFFFAOYSA-M 0.000 description 2
235000010339 sodium tetraborate Nutrition 0.000 description 2
239000004328 sodium tetraborate Substances 0.000 description 2
238000003756 stirring Methods 0.000 description 2
238000004131 Bayer process Methods 0.000 description 1
GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 1
150000007513 acids Chemical class 0.000 description 1
229910001854 alkali hydroxide Inorganic materials 0.000 description 1
229910000287 alkaline earth metal oxide Inorganic materials 0.000 description 1
BVKZGUZCCUSVTD-UHFFFAOYSA-N carbonic acid Chemical class OC(O)=O BVKZGUZCCUSVTD-UHFFFAOYSA-N 0.000 description 1
150000004649 carbonic acid derivatives Chemical class 0.000 description 1
150000001805 chlorine compounds Chemical class 0.000 description 1
150000001875 compounds Chemical class 0.000 description 1
229910003460 diamond Inorganic materials 0.000 description 1
230000029087 digestion Effects 0.000 description 1
IJKVHSBPTUYDLN-UHFFFAOYSA-N dihydroxy(oxo)silane Chemical compound O[Si](O)=O IJKVHSBPTUYDLN-UHFFFAOYSA-N 0.000 description 1
HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 description 1
UQGFMSUEHSUPRD-UHFFFAOYSA-N disodium;3,7-dioxido-2,4,6,8,9-pentaoxa-1,3,5,7-tetraborabicyclo[3.3.1]nonane Chemical compound [Na+].[Na+].O1B([O-])OB2OB([O-])OB1O2 UQGFMSUEHSUPRD-UHFFFAOYSA-N 0.000 description 1
238000004090 dissolution Methods 0.000 description 1
238000010438 heat treatment Methods 0.000 description 1
239000011261 inert gas Substances 0.000 description 1
229910052500 inorganic mineral Inorganic materials 0.000 description 1
239000011159 matrix material Substances 0.000 description 1
229910044991 metal oxide Inorganic materials 0.000 description 1
150000004706 metal oxides Chemical class 0.000 description 1
239000011707 mineral Substances 0.000 description 1
235000010755 mineral Nutrition 0.000 description 1
238000002156 mixing Methods 0.000 description 1
229910052697 platinum Inorganic materials 0.000 description 1
238000010992 reflux Methods 0.000 description 1
238000007789 sealing Methods 0.000 description 1
150000003377 silicon compounds Chemical class 0.000 description 1
239000011775 sodium fluoride Substances 0.000 description 1
235000013024 sodium fluoride Nutrition 0.000 description 1
OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 1

Landscapes

Carbon And Carbon Compounds (AREA)
Securing Of Glass Panes Or The Like (AREA)
Crystals, And After-Treatments Of Crystals (AREA)

DD27320485A 1985-02-12 1985-02-12 Verfahren zur abtrennung von dichtmaterial und darin eingeschlossenem graphit von synthesediamanten DD246679A3 (de)

Priority Applications (3)

Application Number	Priority Date	Filing Date	Title
DD27320485A DD246679A3 (de)	1985-02-12	1985-02-12	Verfahren zur abtrennung von dichtmaterial und darin eingeschlossenem graphit von synthesediamanten
CS858120A CS260997B1 (en)	1985-02-12	1985-11-12	Method of careful separating aluminosilicates and in them contained graphite from synthetic diamonds
BG7239085A BG47550A1 (en)	1985-02-12	1985-11-15	Method for separating of binding material and graphite inclosions therein from synthetic diamonds

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DD27320485A DD246679A3 (de)	1985-02-12	1985-02-12	Verfahren zur abtrennung von dichtmaterial und darin eingeschlossenem graphit von synthesediamanten

Publications (1)

Publication Number	Publication Date
DD246679A3 true DD246679A3 (de)	1987-06-17

Family

ID=5565311

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
DD27320485A DD246679A3 (de)	1985-02-12	1985-02-12	Verfahren zur abtrennung von dichtmaterial und darin eingeschlossenem graphit von synthesediamanten

Country Status (3)

Country	Link
BG (1)	BG47550A1 (cs)
CS (1)	CS260997B1 (cs)
DD (1)	DD246679A3 (cs)

1985
- 1985-02-12 DD DD27320485A patent/DD246679A3/de not_active IP Right Cessation
- 1985-11-12 CS CS858120A patent/CS260997B1/cs unknown
- 1985-11-15 BG BG7239085A patent/BG47550A1/xx unknown

Also Published As

Publication number	Publication date
CS260997B1 (en)	1989-01-12
BG47550A1 (en)	1990-08-15
CS812085A1 (en)	1988-02-15

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Date	Code	Title	Description
2002-12-05	ENJ	Ceased due to non-payment of renewal fee