JPH0456795B2 - - Google Patents
Info
- Publication number
- JPH0456795B2 JPH0456795B2 JP1305687A JP1305687A JPH0456795B2 JP H0456795 B2 JPH0456795 B2 JP H0456795B2 JP 1305687 A JP1305687 A JP 1305687A JP 1305687 A JP1305687 A JP 1305687A JP H0456795 B2 JPH0456795 B2 JP H0456795B2
- Authority
- JP
- Japan
- Prior art keywords
- gypsum
- dense
- lightweight
- outer periphery
- hardened
- 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
- 239000010440 gypsum Substances 0.000 claims description 102
- 229910052602 gypsum Inorganic materials 0.000 claims description 102
- 239000010410 layer Substances 0.000 claims description 40
- 239000002002 slurry Substances 0.000 claims description 21
- 230000001413 cellular effect Effects 0.000 claims description 20
- 238000004519 manufacturing process Methods 0.000 claims description 12
- 238000000465 moulding Methods 0.000 claims description 11
- 239000000835 fiber Substances 0.000 claims description 10
- 239000002344 surface layer Substances 0.000 claims description 6
- 239000003365 glass fiber Substances 0.000 claims description 4
- 239000011505 plaster Substances 0.000 claims description 3
- 229920000049 Carbon (fiber) Polymers 0.000 claims description 2
- 239000010425 asbestos Substances 0.000 claims description 2
- 239000004917 carbon fiber Substances 0.000 claims description 2
- 238000001035 drying Methods 0.000 claims description 2
- 229920005615 natural polymer Polymers 0.000 claims description 2
- 229910052895 riebeckite Inorganic materials 0.000 claims description 2
- 229920005613 synthetic organic polymer Polymers 0.000 claims description 2
- 239000012778 molding material Substances 0.000 claims 1
- 238000000034 method Methods 0.000 description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 13
- 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 description 10
- 239000000463 material Substances 0.000 description 9
- 238000005452 bending Methods 0.000 description 7
- 239000000047 product Substances 0.000 description 6
- 230000005484 gravity Effects 0.000 description 5
- 239000004372 Polyvinyl alcohol Substances 0.000 description 4
- 239000011248 coating agent Substances 0.000 description 4
- 238000000576 coating method Methods 0.000 description 4
- 230000009970 fire resistant effect Effects 0.000 description 4
- 238000004898 kneading Methods 0.000 description 4
- 229920000609 methyl cellulose Polymers 0.000 description 4
- 239000001923 methylcellulose Substances 0.000 description 4
- 235000010981 methylcellulose Nutrition 0.000 description 4
- 229920002451 polyvinyl alcohol Polymers 0.000 description 4
- 239000002562 thickening agent Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 239000006260 foam Substances 0.000 description 3
- 238000009415 formwork Methods 0.000 description 3
- 230000001771 impaired effect Effects 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 230000002093 peripheral effect Effects 0.000 description 3
- 239000012783 reinforcing fiber Substances 0.000 description 3
- 150000003839 salts Chemical class 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- RGHNJXZEOKUKBD-SQOUGZDYSA-N D-gluconic acid Chemical compound OC[C@@H](O)[C@@H](O)[C@H](O)[C@@H](O)C(O)=O RGHNJXZEOKUKBD-SQOUGZDYSA-N 0.000 description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 239000004566 building material Substances 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 238000005192 partition Methods 0.000 description 2
- 239000000779 smoke Substances 0.000 description 2
- 229910052708 sodium Inorganic materials 0.000 description 2
- 239000011734 sodium Substances 0.000 description 2
- -1 sodium alkyl sulfate Chemical class 0.000 description 2
- 239000001509 sodium citrate Substances 0.000 description 2
- NLJMYIDDQXHKNR-UHFFFAOYSA-K sodium citrate Chemical compound O.O.[Na+].[Na+].[Na+].[O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O NLJMYIDDQXHKNR-UHFFFAOYSA-K 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- RGHNJXZEOKUKBD-UHFFFAOYSA-N D-gluconic acid Natural products OCC(O)C(O)C(O)C(O)C(O)=O RGHNJXZEOKUKBD-UHFFFAOYSA-N 0.000 description 1
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical group OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 1
- 229920003171 Poly (ethylene oxide) Polymers 0.000 description 1
- 229920002978 Vinylon Polymers 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 150000008051 alkyl sulfates Chemical class 0.000 description 1
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 1
- 150000001413 amino acids Chemical class 0.000 description 1
- 239000003945 anionic surfactant Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 150000004683 dihydrates Chemical class 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000004079 fireproofing Methods 0.000 description 1
- 239000004088 foaming agent Substances 0.000 description 1
- 239000000174 gluconic acid Substances 0.000 description 1
- 235000012208 gluconic acid Nutrition 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- 229920000620 organic polymer Polymers 0.000 description 1
- 238000010422 painting Methods 0.000 description 1
- 239000000123 paper Substances 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 235000000346 sugar Nutrition 0.000 description 1
- 150000008163 sugars Chemical class 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Landscapes
- Porous Artificial Stone Or Porous Ceramic Products (AREA)
- Producing Shaped Articles From Materials (AREA)
- Laminated Bodies (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1305687A JPS63182271A (ja) | 1987-01-22 | 1987-01-22 | 軽量石膏硬化体及びその製造方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1305687A JPS63182271A (ja) | 1987-01-22 | 1987-01-22 | 軽量石膏硬化体及びその製造方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63182271A JPS63182271A (ja) | 1988-07-27 |
| JPH0456795B2 true JPH0456795B2 (en]) | 1992-09-09 |
Family
ID=11822469
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1305687A Granted JPS63182271A (ja) | 1987-01-22 | 1987-01-22 | 軽量石膏硬化体及びその製造方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63182271A (en]) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7776170B2 (en) * | 2006-10-12 | 2010-08-17 | United States Gypsum Company | Fire-resistant gypsum panel |
| US20190352232A1 (en) * | 2018-05-21 | 2019-11-21 | United States Gypsum Company | Multi-layer gypsum board and related methods and slurries |
-
1987
- 1987-01-22 JP JP1305687A patent/JPS63182271A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS63182271A (ja) | 1988-07-27 |
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