WO1993004009A1 - Verfahren zur herstellung von wasserabweisenden porösen gipsformkörpern - Google Patents
Verfahren zur herstellung von wasserabweisenden porösen gipsformkörpern Download PDFInfo
- Publication number
- WO1993004009A1 WO1993004009A1 PCT/EP1992/001944 EP9201944W WO9304009A1 WO 1993004009 A1 WO1993004009 A1 WO 1993004009A1 EP 9201944 W EP9201944 W EP 9201944W WO 9304009 A1 WO9304009 A1 WO 9304009A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- added
- water
- alkyl hydrogen
- foam
- hydrogen polysiloxanes
- Prior art date
Links
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
- C04B40/00—Processes, in general, for influencing or modifying the properties of mortars, concrete or artificial stone compositions, e.g. their setting or hardening ability
- C04B40/0028—Aspects relating to the mixing step of the mortar preparation
-
- 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
-
- 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
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/20—Resistance against chemical, physical or biological attack
- C04B2111/27—Water resistance, i.e. waterproof or water-repellent materials
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/91—Use of waste materials as fillers for mortars or concrete
Definitions
- the present invention relates to a process for the production of water-repellent porous gypsum moldings, in particular porous gypsum boards, from the components gypsum powder, mixing water, foam and, if appropriate, further conventional additives by adding alkyl hydrogen polysiloxanes.
- DE-AS-1 223 287 discloses a process for producing water-repellent molded articles and coatings from inorganic masses hardening by adding water, in which organosilicon compounds are added to the inorganic masses before shaping in order to achieve water repellency in the form of aqueous emulsions.
- organosilicon compounds are added to the inorganic masses before shaping in order to achieve water repellency in the form of aqueous emulsions.
- a major disadvantage of this method is that in practice, in the production of gypsum boards on corresponding large-scale plants, the metering of the gypsum paste which is mixed is regulated, inter alia, by varying the amount of foam added. The fluctuating amounts of foam therefore also lead to different degrees of hydrophobization of the end product.
- the object of the present invention is to develop a process for the production of water-repellent porous gypsum moldings, in particular porous gypsum boards, in which gypsum powder, mixing water, foam and, if appropriate, other customary additives and alkyl hydrogen polysiloxanes are used to produce flawless products arise without it being necessary to use the alkylhydrogen polysiloxanes in the form of prefabricated emulsions or in the form of a foam produced immediately before production.
- Tube diameters of 0.1 to 1% of the tube length are preferably selected.
- a constant time-averaged velocity profile in the direction of flow is preferably selected.
- the Reynold number then no longer plays a role.
- water and silicone oil can be processed into an emulsion that can be processed immediately.
- the investigations have shown that it is not only possible to add the alkylhydrogen polysiloxanes to the main stream of the mixing water, but that it is equally possible to add the alkylhydrogen polysiloxanes to the various substreams which contain customary additives.
- the addition to the partial stream which contains a prepared paper pulp has proven particularly useful.
- the alkyl hydrogen polysiloxanes can also be added to the partial stream which contains non-foam-forming surface-active substances.
- the alkyl hydrogen polysiloxanes can also be added to the partial stream which contains gelatinized starch.
- the consumption of foaming agent can be reduced by approximately 20% compared to a method in which the silicone oil is added to the foam generator.
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
- Preparation Of Clay, And Manufacture Of Mixtures Containing Clay Or Cement (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
- Medicinal Preparation (AREA)
- Thermotherapy And Cooling Therapy Devices (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Sealing Material Composition (AREA)
- Materials Applied To Surfaces To Minimize Adherence Of Mist Or Water (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Press-Shaping Or Shaping Using Conveyers (AREA)
Abstract
Description
Claims
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP50413293A JP3314931B2 (ja) | 1991-08-27 | 1992-08-25 | 撥水性をもった多孔性石膏成形体の製造法 |
DE59203860T DE59203860D1 (de) | 1991-08-27 | 1992-08-25 | Verfahren zur herstellung von wasserabweisenden porösen gipsformkörpern. |
EP19920918205 EP0601007B2 (de) | 1991-08-27 | 1992-08-25 | Verfahren zur herstellung von wasserabweisenden porösen gipsformkörpern |
NO19940615A NO311756B1 (no) | 1991-08-27 | 1994-02-23 | Fremgangsmåte for fremstilling av vannavvisende poröse gipsformlegemer |
FI940868A FI114461B (fi) | 1991-08-27 | 1994-02-24 | Menetelmä vettä hylkivien huokoisten kipsimuotokappaleiden valmistamiseksi |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4128424A DE4128424A1 (de) | 1991-08-27 | 1991-08-27 | Verfahren zur herstellung von wasserabweisenden poroesen gipsformkoerpern |
DEP4128424.0 | 1991-08-27 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1993004009A1 true WO1993004009A1 (de) | 1993-03-04 |
Family
ID=6439243
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP1992/001944 WO1993004009A1 (de) | 1991-08-27 | 1992-08-25 | Verfahren zur herstellung von wasserabweisenden porösen gipsformkörpern |
Country Status (10)
Country | Link |
---|---|
EP (1) | EP0601007B2 (de) |
JP (1) | JP3314931B2 (de) |
AT (1) | ATE128444T1 (de) |
CA (1) | CA2116443A1 (de) |
DE (2) | DE4128424A1 (de) |
DK (1) | DK0601007T3 (de) |
ES (1) | ES2077430T5 (de) |
FI (1) | FI114461B (de) |
NO (1) | NO311756B1 (de) |
WO (1) | WO1993004009A1 (de) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19837170A1 (de) * | 1998-08-17 | 2000-02-24 | Dennert Kg Veit | Hydrophobierte mineralische Dämmplatte und Verfahren zu deren Herstellung |
US8070895B2 (en) | 2007-02-12 | 2011-12-06 | United States Gypsum Company | Water resistant cementitious article and method for preparing same |
US8529692B2 (en) | 2007-12-27 | 2013-09-10 | Baerlocher Gmbh | Hydrophobic binder mixture, and construction materials made therefrom |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA2327430A1 (en) * | 1999-12-30 | 2001-06-30 | United States Gypsum Company | Application of polymethylhydrogen siloxane for producing a water resistant gypsum product and gypsum/wood fiber board and gypsum board |
DE10003495C2 (de) | 2000-01-27 | 2003-04-03 | Wacker Polymer Systems Gmbh | Hydrophobierungsmittel zur Hydrophobierung von gipsgebundenen Baustoffen, Verfahren zu dessen Herstellung sowie dessen Verwendung |
DE10060992C2 (de) * | 2000-11-11 | 2003-02-20 | Arwed Biedermann Fassadenrenov | Stuckbauteil für Gebäudefassaden |
FR2826360B1 (fr) * | 2001-06-21 | 2003-10-17 | Strasservil Erovente S A | Nouveaux betons et mortiers de chanvre, leur procede de preparation et leur applications |
US7892472B2 (en) | 2004-08-12 | 2011-02-22 | United States Gypsum Company | Method of making water-resistant gypsum-based article |
FR2897863B1 (fr) * | 2006-02-28 | 2008-07-11 | Bpb Plc | Procede d'hydrofugation d'un produit a base de gypse forme a partir d'une composition a base de platre |
US8329308B2 (en) | 2009-03-31 | 2012-12-11 | United States Gypsum Company | Cementitious article and method for preparing the same |
UA124057C2 (uk) * | 2015-12-22 | 2021-07-14 | Кнауф Гіпс Кг | Спосіб надання пористості конструкційним матеріалам із застосуванням силоксанів і пористі будівельні матеріали |
WO2017184231A1 (en) | 2016-04-20 | 2017-10-26 | Dow Corning Corporation | Lithium alkylsiliconate composition, coating, and method of making same |
KR102072498B1 (ko) * | 2018-08-23 | 2020-02-03 | 백혜나 | 장기간 보관 및 가공이 용이한 석고공예용 페이스트 및 그 제조방법 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1389508A (en) * | 1973-09-17 | 1975-04-03 | Apv Co Ltd | Turbulence promoting devices |
EP0171018A2 (de) * | 1984-08-09 | 1986-02-12 | Bayer Ag | Verfahren zur Herstellung wasserabweisender Formkörper aus Gips |
EP0212290A2 (de) * | 1985-08-14 | 1987-03-04 | Yuugenkaisha Ohnobankinkougyousho | Fluidummischungselement |
EP0278518A1 (de) * | 1987-02-12 | 1988-08-17 | Wacker-Chemie Gmbh | Verfahren zur Herstellung von wasserabweisenden Gegenständen aus Gips und Hydrophobierungsmittel enthaltende Gipspulver |
DE4124892A1 (de) * | 1990-07-27 | 1992-03-05 | Georgia Pacific Corp | Verfahren zur herstellung eines wasserbestaendigen gipsgemisches |
-
1991
- 1991-08-27 DE DE4128424A patent/DE4128424A1/de not_active Withdrawn
-
1992
- 1992-08-25 ES ES92918205T patent/ES2077430T5/es not_active Expired - Lifetime
- 1992-08-25 DE DE59203860T patent/DE59203860D1/de not_active Expired - Fee Related
- 1992-08-25 CA CA 2116443 patent/CA2116443A1/en not_active Abandoned
- 1992-08-25 EP EP19920918205 patent/EP0601007B2/de not_active Expired - Lifetime
- 1992-08-25 JP JP50413293A patent/JP3314931B2/ja not_active Expired - Lifetime
- 1992-08-25 DK DK92918205T patent/DK0601007T3/da active
- 1992-08-25 AT AT92918205T patent/ATE128444T1/de not_active IP Right Cessation
- 1992-08-25 WO PCT/EP1992/001944 patent/WO1993004009A1/de active IP Right Grant
-
1994
- 1994-02-23 NO NO19940615A patent/NO311756B1/no not_active IP Right Cessation
- 1994-02-24 FI FI940868A patent/FI114461B/fi active IP Right Grant
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1389508A (en) * | 1973-09-17 | 1975-04-03 | Apv Co Ltd | Turbulence promoting devices |
EP0171018A2 (de) * | 1984-08-09 | 1986-02-12 | Bayer Ag | Verfahren zur Herstellung wasserabweisender Formkörper aus Gips |
EP0212290A2 (de) * | 1985-08-14 | 1987-03-04 | Yuugenkaisha Ohnobankinkougyousho | Fluidummischungselement |
EP0278518A1 (de) * | 1987-02-12 | 1988-08-17 | Wacker-Chemie Gmbh | Verfahren zur Herstellung von wasserabweisenden Gegenständen aus Gips und Hydrophobierungsmittel enthaltende Gipspulver |
DE4124892A1 (de) * | 1990-07-27 | 1992-03-05 | Georgia Pacific Corp | Verfahren zur herstellung eines wasserbestaendigen gipsgemisches |
Non-Patent Citations (1)
Title |
---|
DATABASE WPIL Week 8115, Derwent Publications Ltd., London, GB; AN 81-26418D & JP,A,56 017 623 (EXXON RES. & ENG. CO.) 19. Februar 1981 * |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19837170A1 (de) * | 1998-08-17 | 2000-02-24 | Dennert Kg Veit | Hydrophobierte mineralische Dämmplatte und Verfahren zu deren Herstellung |
US8070895B2 (en) | 2007-02-12 | 2011-12-06 | United States Gypsum Company | Water resistant cementitious article and method for preparing same |
US8568544B2 (en) | 2007-02-12 | 2013-10-29 | United States Gypsum Company | Water resistant cementitious article and method for preparing same |
US8529692B2 (en) | 2007-12-27 | 2013-09-10 | Baerlocher Gmbh | Hydrophobic binder mixture, and construction materials made therefrom |
Also Published As
Publication number | Publication date |
---|---|
FI940868A (fi) | 1994-02-24 |
ES2077430T3 (es) | 1995-11-16 |
NO940615L (no) | 1994-02-23 |
DE59203860D1 (de) | 1995-11-02 |
NO311756B1 (no) | 2002-01-21 |
ATE128444T1 (de) | 1995-10-15 |
JP3314931B2 (ja) | 2002-08-19 |
DE4128424A1 (de) | 1993-03-04 |
EP0601007B2 (de) | 2003-03-12 |
NO940615D0 (no) | 1994-02-23 |
FI114461B (fi) | 2004-10-29 |
CA2116443A1 (en) | 1993-03-04 |
DK0601007T3 (da) | 1996-02-05 |
ES2077430T5 (es) | 2003-11-16 |
EP0601007B1 (de) | 1995-09-27 |
EP0601007A1 (de) | 1994-06-15 |
FI940868A0 (fi) | 1994-02-24 |
JPH06510269A (ja) | 1994-11-17 |
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