IE41789B1 - Production of foamed gypsum moldings - Google Patents
Production of foamed gypsum moldingsInfo
- Publication number
- IE41789B1 IE41789B1 IE1922/75A IE192275A IE41789B1 IE 41789 B1 IE41789 B1 IE 41789B1 IE 1922/75 A IE1922/75 A IE 1922/75A IE 192275 A IE192275 A IE 192275A IE 41789 B1 IE41789 B1 IE 41789B1
- Authority
- IE
- Ireland
- Prior art keywords
- acid
- reacting compound
- peroxide
- hydrogen
- alkaline
- Prior art date
Links
- 239000010440 gypsum Substances 0.000 title claims description 22
- 229910052602 gypsum Inorganic materials 0.000 title claims description 22
- 238000004519 manufacturing process Methods 0.000 title claims description 9
- 238000000465 moulding Methods 0.000 title description 2
- 239000000203 mixture Substances 0.000 claims abstract description 27
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 claims abstract description 25
- 239000000725 suspension Substances 0.000 claims abstract description 20
- 150000001875 compounds Chemical class 0.000 claims abstract description 15
- 239000006260 foam Substances 0.000 claims abstract description 15
- 239000000470 constituent Substances 0.000 claims abstract description 13
- 239000003054 catalyst Substances 0.000 claims abstract description 11
- 238000000354 decomposition reaction Methods 0.000 claims abstract description 10
- 239000007864 aqueous solution Substances 0.000 claims abstract description 8
- YZCKVEUIGOORGS-UHFFFAOYSA-N Hydrogen atom Chemical compound [H] YZCKVEUIGOORGS-UHFFFAOYSA-N 0.000 claims abstract description 7
- 229910052751 metal Inorganic materials 0.000 claims abstract description 6
- 239000002184 metal Substances 0.000 claims abstract description 6
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims abstract description 4
- 238000006386 neutralization reaction Methods 0.000 claims abstract description 4
- 230000000737 periodic effect Effects 0.000 claims abstract description 4
- 150000002978 peroxides Chemical class 0.000 claims abstract description 4
- NBIIXXVUZAFLBC-UHFFFAOYSA-M dihydrogenphosphate Chemical compound OP(O)([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-M 0.000 claims abstract 2
- 238000000034 method Methods 0.000 claims description 27
- 239000000126 substance Substances 0.000 claims description 10
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 claims description 5
- NBIIXXVUZAFLBC-UHFFFAOYSA-L Phosphate ion(2-) Chemical compound OP([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-L 0.000 claims 1
- QAOWNCQODCNURD-UHFFFAOYSA-M hydrogensulfate Chemical compound OS([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-M 0.000 claims 1
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 abstract description 37
- 239000002253 acid Substances 0.000 abstract description 14
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 abstract description 6
- 239000011575 calcium Substances 0.000 abstract description 3
- 150000002739 metals Chemical class 0.000 abstract description 3
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 abstract description 2
- YDONNITUKPKTIG-UHFFFAOYSA-N [Nitrilotris(methylene)]trisphosphonic acid Chemical compound OP(O)(=O)CN(CP(O)(O)=O)CP(O)(O)=O YDONNITUKPKTIG-UHFFFAOYSA-N 0.000 abstract description 2
- ZHZFKLKREFECML-UHFFFAOYSA-L calcium;sulfate;hydrate Chemical class O.[Ca+2].[O-]S([O-])(=O)=O ZHZFKLKREFECML-UHFFFAOYSA-L 0.000 abstract description 2
- MNNHAPBLZZVQHP-UHFFFAOYSA-N diammonium hydrogen phosphate Chemical compound [NH4+].[NH4+].OP([O-])([O-])=O MNNHAPBLZZVQHP-UHFFFAOYSA-N 0.000 abstract description 2
- 235000006408 oxalic acid Nutrition 0.000 abstract description 2
- 101100283604 Caenorhabditis elegans pigk-1 gene Proteins 0.000 abstract 2
- 239000004254 Ammonium phosphate Substances 0.000 abstract 1
- 229910019440 Mg(OH) Inorganic materials 0.000 abstract 1
- 229910000148 ammonium phosphate Inorganic materials 0.000 abstract 1
- 235000019289 ammonium phosphates Nutrition 0.000 abstract 1
- LBSANEJBGMCTBH-UHFFFAOYSA-N manganate Chemical compound [O-][Mn]([O-])(=O)=O LBSANEJBGMCTBH-UHFFFAOYSA-N 0.000 abstract 1
- 229910021653 sulphate ion Inorganic materials 0.000 abstract 1
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 19
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 19
- 229910052925 anhydrite Inorganic materials 0.000 description 18
- 239000011230 binding agent Substances 0.000 description 15
- 239000011148 porous material Substances 0.000 description 14
- 238000005187 foaming Methods 0.000 description 11
- 239000000292 calcium oxide Substances 0.000 description 10
- 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
- 239000011507 gypsum plaster Substances 0.000 description 10
- 238000007792 addition Methods 0.000 description 9
- 239000000463 material Substances 0.000 description 8
- 239000007789 gas Substances 0.000 description 7
- 239000004014 plasticizer Substances 0.000 description 7
- 238000009415 formwork Methods 0.000 description 6
- NUJOXMJBOLGQSY-UHFFFAOYSA-N manganese dioxide Chemical compound O=[Mn]=O NUJOXMJBOLGQSY-UHFFFAOYSA-N 0.000 description 6
- 239000000080 wetting agent Substances 0.000 description 6
- 239000007900 aqueous suspension Substances 0.000 description 5
- 230000015572 biosynthetic process Effects 0.000 description 5
- 238000001035 drying Methods 0.000 description 5
- 239000000243 solution Substances 0.000 description 5
- 229910019142 PO4 Inorganic materials 0.000 description 4
- 239000012190 activator Substances 0.000 description 4
- 239000000654 additive Substances 0.000 description 4
- -1 for example Chemical class 0.000 description 4
- 239000000047 product Substances 0.000 description 4
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical class OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 3
- 239000013543 active substance Substances 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 238000011161 development Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000000945 filler Substances 0.000 description 3
- 239000008187 granular material Substances 0.000 description 3
- 238000002156 mixing Methods 0.000 description 3
- 229910000402 monopotassium phosphate Inorganic materials 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 235000021317 phosphate Nutrition 0.000 description 3
- 150000003013 phosphoric acid derivatives Chemical class 0.000 description 3
- 239000002562 thickening agent Substances 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 229920000742 Cotton Polymers 0.000 description 2
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 2
- 229910021380 Manganese Chloride Inorganic materials 0.000 description 2
- GLFNIEUTAYBVOC-UHFFFAOYSA-L Manganese chloride Chemical compound Cl[Mn]Cl GLFNIEUTAYBVOC-UHFFFAOYSA-L 0.000 description 2
- 229920005372 Plexiglas® Polymers 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 150000007513 acids Chemical class 0.000 description 2
- 239000006265 aqueous foam Substances 0.000 description 2
- 229910001861 calcium hydroxide Inorganic materials 0.000 description 2
- 229940095672 calcium sulfate Drugs 0.000 description 2
- 235000011132 calcium sulphate Nutrition 0.000 description 2
- 239000001913 cellulose Substances 0.000 description 2
- 229920002678 cellulose Polymers 0.000 description 2
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Natural products OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 description 2
- 239000004927 clay Substances 0.000 description 2
- 229920001577 copolymer Polymers 0.000 description 2
- 210000003298 dental enamel Anatomy 0.000 description 2
- 239000003085 diluting agent Substances 0.000 description 2
- 239000000975 dye Substances 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000011565 manganese chloride Substances 0.000 description 2
- 235000002867 manganese chloride Nutrition 0.000 description 2
- 229940099607 manganese chloride Drugs 0.000 description 2
- 150000002697 manganese compounds Chemical class 0.000 description 2
- 229940099596 manganese sulfate Drugs 0.000 description 2
- 239000011702 manganese sulphate Substances 0.000 description 2
- 235000007079 manganese sulphate Nutrition 0.000 description 2
- SQQMAOCOWKFBNP-UHFFFAOYSA-L manganese(II) sulfate Chemical compound [Mn+2].[O-]S([O-])(=O)=O SQQMAOCOWKFBNP-UHFFFAOYSA-L 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- 239000000049 pigment Substances 0.000 description 2
- 239000004926 polymethyl methacrylate Substances 0.000 description 2
- 229920001296 polysiloxane Polymers 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 229920002545 silicone oil Polymers 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- PXRKCOCTEMYUEG-UHFFFAOYSA-N 5-aminoisoindole-1,3-dione Chemical compound NC1=CC=C2C(=O)NC(=O)C2=C1 PXRKCOCTEMYUEG-UHFFFAOYSA-N 0.000 description 1
- 229920002134 Carboxymethyl cellulose Polymers 0.000 description 1
- 229920000877 Melamine resin Polymers 0.000 description 1
- HOKDBMAJZXIPGC-UHFFFAOYSA-N Mequitazine Chemical compound C12=CC=CC=C2SC2=CC=CC=C2N1CC1C(CC2)CCN2C1 HOKDBMAJZXIPGC-UHFFFAOYSA-N 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- OFOBLEOULBTSOW-UHFFFAOYSA-N Propanedioic acid Natural products OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 description 1
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Natural products C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 229940045714 alkyl sulfonate alkylating agent Drugs 0.000 description 1
- 150000008052 alkyl sulfonates Chemical class 0.000 description 1
- DIZPMCHEQGEION-UHFFFAOYSA-H aluminium sulfate (anhydrous) Chemical compound [Al+3].[Al+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O DIZPMCHEQGEION-UHFFFAOYSA-H 0.000 description 1
- 150000001413 amino acids Chemical class 0.000 description 1
- 229940095564 anhydrous calcium sulfate Drugs 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 239000011449 brick Substances 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 description 1
- 239000000920 calcium hydroxide Substances 0.000 description 1
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 150000004649 carbonic acid derivatives Chemical class 0.000 description 1
- 239000001768 carboxy methyl cellulose Substances 0.000 description 1
- 235000010948 carboxy methyl cellulose Nutrition 0.000 description 1
- 239000008112 carboxymethyl-cellulose Substances 0.000 description 1
- 238000003421 catalytic decomposition reaction Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000003818 cinder Substances 0.000 description 1
- 239000008119 colloidal silica Substances 0.000 description 1
- 238000004040 coloring Methods 0.000 description 1
- 239000007799 cork Substances 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- RPUZVWKKWXPKIP-UHFFFAOYSA-H dialuminum;hydrogen phosphate Chemical class [Al+3].[Al+3].OP([O-])([O-])=O.OP([O-])([O-])=O.OP([O-])([O-])=O RPUZVWKKWXPKIP-UHFFFAOYSA-H 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000010436 fluorite Substances 0.000 description 1
- 239000004872 foam stabilizing agent Substances 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 239000011491 glass wool Substances 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 230000036571 hydration Effects 0.000 description 1
- 238000006703 hydration reaction Methods 0.000 description 1
- 150000002431 hydrogen Chemical class 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 238000005470 impregnation Methods 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 150000002484 inorganic compounds Chemical class 0.000 description 1
- 229910010272 inorganic material Inorganic materials 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- VZCYOOQTPOCHFL-UPHRSURJSA-N maleic acid Chemical compound OC(=O)\C=C/C(O)=O VZCYOOQTPOCHFL-UPHRSURJSA-N 0.000 description 1
- 239000011976 maleic acid Substances 0.000 description 1
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 description 1
- 150000002696 manganese Chemical class 0.000 description 1
- 229940099594 manganese dioxide Drugs 0.000 description 1
- 150000007974 melamines Chemical class 0.000 description 1
- 239000002557 mineral fiber Substances 0.000 description 1
- 239000011490 mineral wool Substances 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 230000003472 neutralizing effect Effects 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- IEQIEDJGQAUEQZ-UHFFFAOYSA-N phthalocyanine Chemical compound N1C(N=C2C3=CC=CC=C3C(N=C3C4=CC=CC=C4C(=N4)N3)=N2)=C(C=CC=C2)C2=C1N=C1C2=CC=CC=C2C4=N1 IEQIEDJGQAUEQZ-UHFFFAOYSA-N 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 229910000343 potassium bisulfate Inorganic materials 0.000 description 1
- 235000019353 potassium silicate Nutrition 0.000 description 1
- OTYBMLCTZGSZBG-UHFFFAOYSA-L potassium sulfate Chemical compound [K+].[K+].[O-]S([O-])(=O)=O OTYBMLCTZGSZBG-UHFFFAOYSA-L 0.000 description 1
- 229910052939 potassium sulfate Inorganic materials 0.000 description 1
- 235000011151 potassium sulphates Nutrition 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000008262 pumice Substances 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical compound O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 description 1
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 description 1
- GBPOWOIWSYUZMH-UHFFFAOYSA-N sodium;trihydroxy(methyl)silane Chemical compound [Na+].C[Si](O)(O)O GBPOWOIWSYUZMH-UHFFFAOYSA-N 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 150000003467 sulfuric acid derivatives Chemical class 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- 230000009897 systematic effect Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 230000008719 thickening Effects 0.000 description 1
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 description 1
- 239000002916 wood waste Substances 0.000 description 1
- 239000004711 α-olefin Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/14—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing calcium sulfate cements
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
- Catalysts (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2442098A DE2442098A1 (de) | 1974-09-03 | 1974-09-03 | Verfahren zur herstellung poroeser koerper auf basis von gips, insbesondere anhydrit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| IE41789L IE41789L (en) | 1976-03-03 |
| IE41789B1 true IE41789B1 (en) | 1980-03-26 |
Family
ID=5924737
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IE1922/75A IE41789B1 (en) | 1974-09-03 | 1975-09-03 | Production of foamed gypsum moldings |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US4043825A (OSRAM) |
| JP (1) | JPS5150934A (OSRAM) |
| BE (1) | BE832899A (OSRAM) |
| DE (1) | DE2442098A1 (OSRAM) |
| ES (1) | ES440644A1 (OSRAM) |
| FR (1) | FR2283872A1 (OSRAM) |
| GB (1) | GB1511283A (OSRAM) |
| IE (1) | IE41789B1 (OSRAM) |
| NL (1) | NL7510411A (OSRAM) |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5369441A (en) * | 1976-12-01 | 1978-06-20 | Nittetsu Kinzoku Kogyo Kk | Massproducible sliding partition |
| JPS56160360A (en) * | 1980-05-15 | 1981-12-10 | Kurashiki Boseki Kk | Foamed gypsum molded body and its manufacture |
| FR2486928A1 (fr) * | 1980-07-16 | 1982-01-22 | Charbonnages Ste Chimique | Perfectionnement a un procede de fabrication de platre cellulaire |
| GB8410479D0 (en) * | 1984-04-24 | 1984-05-31 | British Petroleum Co Plc | Conversion process |
| US5076978A (en) * | 1987-09-14 | 1991-12-31 | Blum Kurt E | Method of producing gypsum decorative molding |
| DE4011793C1 (OSRAM) * | 1990-04-12 | 1991-12-12 | Redco N.V., Kapelle-Op-Den-Bos, Be | |
| CA2241261A1 (en) * | 1995-12-20 | 1997-06-26 | Henkel Kommanditgesellschaft Auf Aktien | A composition for the production of light gypsum, a process for the production of the blowing agents used and their use. |
| DE19624111A1 (de) * | 1996-06-17 | 1997-12-18 | Peroxid Chemie Gmbh | Mittel und Verfahren zur Herstellung von Bindebaustoffen mit veränderbarer Dichte |
| ID21641A (id) | 1997-08-21 | 1999-07-08 | United States Gypsum Co | Produk yang mengandung gypsum dengan peningkatan ketahanan terhadap deformasi tetap dan metode serta komposisi untuk memproduksinya |
| US6632550B1 (en) | 1997-08-21 | 2003-10-14 | United States Gypsum Company | Gypsum-containing product having increased resistance to permanent deformation and method and composition for producing it |
| US6342284B1 (en) * | 1997-08-21 | 2002-01-29 | United States Gysum Company | Gypsum-containing product having increased resistance to permanent deformation and method and composition for producing it |
| AT503801B1 (de) * | 2006-05-19 | 2008-01-15 | Manfred Sterrer | Leichtbetone bzw. mineralstoffe sowie verfahren zu ihrer herstellung |
| RU2312845C1 (ru) * | 2006-07-03 | 2007-12-20 | Юлия Алексеевна Щепочкина | Сырьевая смесь для производства ячеистых бетонов |
| US9410058B2 (en) | 2014-04-10 | 2016-08-09 | United States Gypsum Company | Compositions and methods for water-resistant gypsum fiber products |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR862397A (fr) * | 1938-12-29 | 1941-03-05 | Gyproc Products Ltd | Perfectionnements à l'aération des compositions de plâtre de paris |
| US2662825A (en) * | 1948-06-05 | 1953-12-15 | Buffalo Electro Chem Co | Refractory |
| SE337502B (OSRAM) * | 1970-01-29 | 1971-08-09 | Foerenade Superfosfatfab Ab | |
| NL7307757A (OSRAM) * | 1971-12-31 | 1973-12-11 |
-
1974
- 1974-09-03 DE DE2442098A patent/DE2442098A1/de active Pending
-
1975
- 1975-08-14 US US05/604,868 patent/US4043825A/en not_active Expired - Lifetime
- 1975-08-29 BE BE159593A patent/BE832899A/xx unknown
- 1975-09-01 JP JP50105040A patent/JPS5150934A/ja active Pending
- 1975-09-02 ES ES440644A patent/ES440644A1/es not_active Expired
- 1975-09-03 FR FR7527037A patent/FR2283872A1/fr active Granted
- 1975-09-03 IE IE1922/75A patent/IE41789B1/en unknown
- 1975-09-03 GB GB36247/75A patent/GB1511283A/en not_active Expired
- 1975-09-03 NL NL7510411A patent/NL7510411A/xx not_active Application Discontinuation
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5150934A (OSRAM) | 1976-05-06 |
| IE41789L (en) | 1976-03-03 |
| DE2442098A1 (de) | 1976-03-18 |
| FR2283872B1 (OSRAM) | 1979-06-22 |
| BE832899A (fr) | 1976-03-01 |
| US4043825A (en) | 1977-08-23 |
| NL7510411A (nl) | 1976-03-05 |
| GB1511283A (en) | 1978-05-17 |
| ES440644A1 (es) | 1977-06-01 |
| FR2283872A1 (fr) | 1976-04-02 |
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