JPH0213641B2 - - Google Patents
Info
- Publication number
- JPH0213641B2 JPH0213641B2 JP58053799A JP5379983A JPH0213641B2 JP H0213641 B2 JPH0213641 B2 JP H0213641B2 JP 58053799 A JP58053799 A JP 58053799A JP 5379983 A JP5379983 A JP 5379983A JP H0213641 B2 JPH0213641 B2 JP H0213641B2
- Authority
- JP
- Japan
- Prior art keywords
- gypsum
- dental
- cast
- phosphate
- investment
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired
Links
- 239000000463 material Substances 0.000 claims description 56
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 32
- ILRRQNADMUWWFW-UHFFFAOYSA-K aluminium phosphate Chemical compound O1[Al]2OP1(=O)O2 ILRRQNADMUWWFW-UHFFFAOYSA-K 0.000 claims description 17
- ZOMBKNNSYQHRCA-UHFFFAOYSA-J calcium sulfate hemihydrate Chemical compound O.[Ca+2].[Ca+2].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O ZOMBKNNSYQHRCA-UHFFFAOYSA-J 0.000 claims description 16
- 239000000377 silicon dioxide Substances 0.000 claims description 11
- 230000002378 acidificating effect Effects 0.000 claims description 7
- 239000010440 gypsum Substances 0.000 description 19
- 229910052602 gypsum Inorganic materials 0.000 description 19
- 239000000843 powder Substances 0.000 description 17
- 238000007711 solidification Methods 0.000 description 13
- 230000008023 solidification Effects 0.000 description 13
- 229910019142 PO4 Inorganic materials 0.000 description 12
- 238000010438 heat treatment Methods 0.000 description 12
- 238000000034 method Methods 0.000 description 12
- 235000021317 phosphate Nutrition 0.000 description 12
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 11
- 239000010452 phosphate Substances 0.000 description 11
- 230000000052 comparative effect Effects 0.000 description 10
- 229910000623 nickel–chromium alloy Inorganic materials 0.000 description 10
- 238000001816 cooling Methods 0.000 description 9
- 239000003015 dental casting investment Substances 0.000 description 9
- 238000005266 casting Methods 0.000 description 8
- 239000010453 quartz Substances 0.000 description 8
- 230000003746 surface roughness Effects 0.000 description 8
- 239000011819 refractory material Substances 0.000 description 4
- 239000000788 chromium alloy Substances 0.000 description 3
- 230000015271 coagulation Effects 0.000 description 3
- 238000005345 coagulation Methods 0.000 description 3
- 238000004898 kneading Methods 0.000 description 3
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 229910052906 cristobalite Inorganic materials 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 2
- 150000004683 dihydrates Chemical class 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229910001316 Ag alloy Inorganic materials 0.000 description 1
- 229910001020 Au alloy Inorganic materials 0.000 description 1
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- 229910000599 Cr alloy Inorganic materials 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- 229910001252 Pd alloy Inorganic materials 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- LFVGISIMTYGQHF-UHFFFAOYSA-N ammonium dihydrogen phosphate Chemical compound [NH4+].OP(O)([O-])=O LFVGISIMTYGQHF-UHFFFAOYSA-N 0.000 description 1
- 238000009933 burial Methods 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 230000001747 exhibiting effect Effects 0.000 description 1
- 239000003353 gold alloy Substances 0.000 description 1
- 238000006703 hydration reaction Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000005495 investment casting Methods 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229910000403 monosodium phosphate Inorganic materials 0.000 description 1
- 235000019799 monosodium phosphate Nutrition 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 150000003013 phosphoric acid derivatives Chemical class 0.000 description 1
- 239000011505 plaster Substances 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- AJPJDKMHJJGVTQ-UHFFFAOYSA-M sodium dihydrogen phosphate Chemical compound [Na+].OP(O)([O-])=O AJPJDKMHJJGVTQ-UHFFFAOYSA-M 0.000 description 1
- 239000001488 sodium phosphate Substances 0.000 description 1
- 229910052712 strontium Inorganic materials 0.000 description 1
- CIOAGBVUUVVLOB-UHFFFAOYSA-N strontium atom Chemical compound [Sr] CIOAGBVUUVVLOB-UHFFFAOYSA-N 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
Landscapes
- Dental Preparations (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP58053799A JPS59181203A (ja) | 1983-03-31 | 1983-03-31 | 歯科用埋没材 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP58053799A JPS59181203A (ja) | 1983-03-31 | 1983-03-31 | 歯科用埋没材 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS59181203A JPS59181203A (ja) | 1984-10-15 |
| JPH0213641B2 true JPH0213641B2 (ru) | 1990-04-04 |
Family
ID=12952859
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP58053799A Granted JPS59181203A (ja) | 1983-03-31 | 1983-03-31 | 歯科用埋没材 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59181203A (ru) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2534945Y2 (ja) * | 1990-11-27 | 1997-05-07 | 三和シヤッター工業株式会社 | 横葺屋根板 |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4272929B2 (ja) * | 2003-06-16 | 2009-06-03 | 株式会社ノリタケカンパニーリミテド | 金属鋳造用鋳型材 |
-
1983
- 1983-03-31 JP JP58053799A patent/JPS59181203A/ja active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2534945Y2 (ja) * | 1990-11-27 | 1997-05-07 | 三和シヤッター工業株式会社 | 横葺屋根板 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS59181203A (ja) | 1984-10-15 |
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