DE2535577A1 - Verfahren zur herstellung von gipsfoermlingen - Google Patents
Verfahren zur herstellung von gipsfoermlingenInfo
- Publication number
- DE2535577A1 DE2535577A1 DE19752535577 DE2535577A DE2535577A1 DE 2535577 A1 DE2535577 A1 DE 2535577A1 DE 19752535577 DE19752535577 DE 19752535577 DE 2535577 A DE2535577 A DE 2535577A DE 2535577 A1 DE2535577 A1 DE 2535577A1
- Authority
- DE
- Germany
- Prior art keywords
- weight
- calcium sulfate
- dry
- paris
- additives
- 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.)
- Withdrawn
Links
- 238000004519 manufacturing process Methods 0.000 title claims description 7
- 239000011505 plaster Substances 0.000 title description 3
- 239000006260 foam Substances 0.000 title 1
- 239000000654 additive Substances 0.000 claims description 25
- 229910052602 gypsum Inorganic materials 0.000 claims description 18
- 239000010440 gypsum Substances 0.000 claims description 18
- 238000000034 method Methods 0.000 claims description 16
- 239000000126 substance Substances 0.000 claims description 16
- 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 13
- 238000000465 moulding Methods 0.000 claims description 11
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Inorganic materials [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 claims description 10
- 239000011507 gypsum plaster Substances 0.000 claims description 10
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 claims description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- BFNBIHQBYMNNAN-UHFFFAOYSA-N ammonium sulfate Chemical compound N.N.OS(O)(=O)=O BFNBIHQBYMNNAN-UHFFFAOYSA-N 0.000 claims description 6
- 229910052921 ammonium sulfate Inorganic materials 0.000 claims description 6
- 235000011130 ammonium sulphate Nutrition 0.000 claims description 6
- PASHVRUKOFIRIK-UHFFFAOYSA-L calcium sulfate dihydrate Chemical compound O.O.[Ca+2].[O-]S([O-])(=O)=O PASHVRUKOFIRIK-UHFFFAOYSA-L 0.000 claims description 6
- 239000008188 pellet Substances 0.000 claims description 6
- 230000000996 additive effect Effects 0.000 claims description 5
- 229920005989 resin Polymers 0.000 claims description 5
- 239000011347 resin Substances 0.000 claims description 5
- 239000004568 cement Substances 0.000 claims description 3
- 210000002700 urine Anatomy 0.000 claims description 3
- 229910019142 PO4 Inorganic materials 0.000 claims description 2
- 230000007717 exclusion Effects 0.000 claims description 2
- 235000021317 phosphate Nutrition 0.000 claims description 2
- 150000003013 phosphoric acid derivatives Chemical class 0.000 claims description 2
- 239000002893 slag Substances 0.000 claims description 2
- 150000002222 fluorine compounds Chemical class 0.000 claims 1
- 238000003825 pressing Methods 0.000 description 11
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 4
- 229920001807 Urea-formaldehyde Polymers 0.000 description 4
- 239000001257 hydrogen Substances 0.000 description 4
- 229910052739 hydrogen Inorganic materials 0.000 description 4
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 3
- GZCGUPFRVQAUEE-SLPGGIOYSA-N aldehydo-D-glucose Chemical compound OC[C@@H](O)[C@@H](O)[C@H](O)[C@@H](O)C=O GZCGUPFRVQAUEE-SLPGGIOYSA-N 0.000 description 3
- 229910052586 apatite Inorganic materials 0.000 description 3
- VSIIXMUUUJUKCM-UHFFFAOYSA-D pentacalcium;fluoride;triphosphate Chemical compound [F-].[Ca+2].[Ca+2].[Ca+2].[Ca+2].[Ca+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O VSIIXMUUUJUKCM-UHFFFAOYSA-D 0.000 description 3
- 239000011230 binding agent Substances 0.000 description 2
- 239000011449 brick Substances 0.000 description 2
- 239000004566 building material Substances 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 description 1
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000001166 ammonium sulphate Substances 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 239000011455 calcium-silicate brick Substances 0.000 description 1
- 239000004202 carbamide Substances 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000029087 digestion Effects 0.000 description 1
- XEPHLVLFTHOHGU-UHFFFAOYSA-L dipotassium sulfate dihydrate Chemical compound O.O.[K+].[K+].[O-]S([O-])(=O)=O XEPHLVLFTHOHGU-UHFFFAOYSA-L 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 150000002484 inorganic compounds Chemical class 0.000 description 1
- 229910010272 inorganic material Inorganic materials 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 229910017604 nitric acid Inorganic materials 0.000 description 1
- 239000011368 organic material Substances 0.000 description 1
- ODGAOXROABLFNM-UHFFFAOYSA-N polynoxylin Chemical compound O=C.NC(N)=O ODGAOXROABLFNM-UHFFFAOYSA-N 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000003340 retarding agent Substances 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 229910001415 sodium ion Inorganic materials 0.000 description 1
- 230000002485 urinary effect Effects 0.000 description 1
- 230000003442 weekly effect Effects 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
- C04B28/141—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 containing dihydrated gypsum before the final hardening step, e.g. forming a dihydrated gypsum product followed by a de- and rehydration step
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)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
- Devices For Post-Treatments, Processing, Supply, Discharge, And Other Processes (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL7410706A NL7410706A (nl) | 1974-08-09 | 1974-08-09 | Werkwijze voor het vervaardigen van vormlingen uit gips. |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE2535577A1 true DE2535577A1 (de) | 1976-02-26 |
Family
ID=19821890
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19752535577 Withdrawn DE2535577A1 (de) | 1974-08-09 | 1975-08-08 | Verfahren zur herstellung von gipsfoermlingen |
Country Status (12)
| Country | Link |
|---|---|
| JP (1) | JPS5145120A (enExample) |
| BE (1) | BE832152A (enExample) |
| BR (1) | BR7505111A (enExample) |
| CA (1) | CA1077245A (enExample) |
| DE (1) | DE2535577A1 (enExample) |
| ES (1) | ES440142A1 (enExample) |
| FR (1) | FR2281202A1 (enExample) |
| GB (1) | GB1479804A (enExample) |
| IT (1) | IT1041174B (enExample) |
| NL (1) | NL7410706A (enExample) |
| PL (1) | PL112807B1 (enExample) |
| ZA (1) | ZA755010B (enExample) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2379248C1 (ru) * | 2009-02-27 | 2010-01-20 | Юлия Алексеевна Щепочкина | Композиция для получения строительных изделий |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL7604948A (nl) * | 1976-05-08 | 1977-11-10 | Stamicarbon | Werkwijze voor het vervaardigen van vormlingen uit calciumsulfaatdihydraat. |
| SU863537A1 (ru) * | 1977-04-27 | 1981-09-15 | Ростовский Филиал Производственно-Технического Объединения "Росоргтехстром" | Способ изготовлени гипсовых изделий |
| FR2398703A1 (fr) | 1977-07-26 | 1979-02-23 | Invest Develop App | Perfectionnements aux produits a base de platre et a leurs procedes de fabrication |
| FR2462402A1 (fr) * | 1979-08-03 | 1981-02-13 | Setec Geotechnique | Procede de fabrication d'elements de construction a partir de sulfate de calcium hydrate, residu de traitement de phosphate calcique |
| FI59872C (fi) * | 1979-12-21 | 1981-10-12 | Pentti Veikko Kalevi Hukkanen | Foerfarande foer framstaellning av engaongsmaol exempelvis lerduvor foer skyttesport eller liknande |
| JP2596994B2 (ja) * | 1988-12-06 | 1997-04-02 | 三菱重工業株式会社 | 石膏硬化体の製造方法 |
| EP0729926A1 (en) * | 1995-03-03 | 1996-09-04 | Gyproc Benelux | Process for producing gypsum building elements and gypsum building elements produced by said process |
-
1974
- 1974-08-09 NL NL7410706A patent/NL7410706A/xx not_active Application Discontinuation
-
1975
- 1975-08-04 ZA ZA00755010A patent/ZA755010B/xx unknown
- 1975-08-06 BE BE158959A patent/BE832152A/xx not_active IP Right Cessation
- 1975-08-06 CA CA232,971A patent/CA1077245A/en not_active Expired
- 1975-08-07 GB GB33057/75A patent/GB1479804A/en not_active Expired
- 1975-08-07 IT IT50868/75A patent/IT1041174B/it active
- 1975-08-07 FR FR7524682A patent/FR2281202A1/fr active Granted
- 1975-08-08 BR BR7505111*A patent/BR7505111A/pt unknown
- 1975-08-08 DE DE19752535577 patent/DE2535577A1/de not_active Withdrawn
- 1975-08-08 JP JP50095954A patent/JPS5145120A/ja active Pending
- 1975-08-08 ES ES440142A patent/ES440142A1/es not_active Expired
- 1975-08-11 PL PL1975182667A patent/PL112807B1/pl unknown
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2379248C1 (ru) * | 2009-02-27 | 2010-01-20 | Юлия Алексеевна Щепочкина | Композиция для получения строительных изделий |
Also Published As
| Publication number | Publication date |
|---|---|
| ES440142A1 (es) | 1977-03-01 |
| NL7410706A (nl) | 1976-02-11 |
| JPS5145120A (enExample) | 1976-04-17 |
| IT1041174B (it) | 1980-01-10 |
| BR7505111A (pt) | 1976-08-03 |
| FR2281202A1 (fr) | 1976-03-05 |
| CA1077245A (en) | 1980-05-13 |
| PL112807B1 (en) | 1980-11-29 |
| ZA755010B (en) | 1976-07-28 |
| GB1479804A (en) | 1977-07-13 |
| BE832152A (nl) | 1976-02-06 |
| FR2281202B1 (enExample) | 1982-08-20 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8110 | Request for examination paragraph 44 | ||
| 8128 | New person/name/address of the agent |
Representative=s name: ZUMSTEIN SEN., F., DR. ASSMANN, E., DIPL.-CHEM. DR |
|
| 8139 | Disposal/non-payment of the annual fee |