WO2021013751A1 - Compositions de gypse - Google Patents

Compositions de gypse Download PDF

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Publication number
WO2021013751A1
WO2021013751A1 PCT/EP2020/070357 EP2020070357W WO2021013751A1 WO 2021013751 A1 WO2021013751 A1 WO 2021013751A1 EP 2020070357 W EP2020070357 W EP 2020070357W WO 2021013751 A1 WO2021013751 A1 WO 2021013751A1
Authority
WO
WIPO (PCT)
Prior art keywords
gypsum
alkyl
weight
pbw
hydrogenpolysiloxane
Prior art date
Application number
PCT/EP2020/070357
Other languages
English (en)
Inventor
Max GIUDICI
Barbara CALLONI
Giuseppe PIRRONE
Alberto CESTONARO
Giovanni Floridi
Giuseppe Li Bassi
Original Assignee
Lamberti Spa
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Lamberti Spa filed Critical Lamberti Spa
Priority to EP20746576.6A priority Critical patent/EP4003931A1/fr
Publication of WO2021013751A1 publication Critical patent/WO2021013751A1/fr

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
    • 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
    • C04B24/00—Use of organic materials as active ingredients for mortars, concrete or artificial stone, e.g. plasticisers
    • C04B24/24—Macromolecular compounds
    • C04B24/38—Polysaccharides or derivatives thereof
    • C04B24/383—Cellulose or derivatives thereof
    • 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
    • C04B40/0039—Premixtures of ingredients
    • 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

Abstract

La présente invention concerne des compositions de gypse comprenant un alkylhydrogénopolysiloxane et une carboxyméthylcellulose dépolymérisée et un procédé de production de produits de gypse étanches à l'eau, qui comprend l'utilisation desdites compositions de gypse.
PCT/EP2020/070357 2019-07-22 2020-07-17 Compositions de gypse WO2021013751A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP20746576.6A EP4003931A1 (fr) 2019-07-22 2020-07-17 Compositions de gypse

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT102019000012597 2019-07-22
IT102019000012597A IT201900012597A1 (it) 2019-07-22 2019-07-22 Composizioni di gesso

Publications (1)

Publication Number Publication Date
WO2021013751A1 true WO2021013751A1 (fr) 2021-01-28

Family

ID=68653506

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2020/070357 WO2021013751A1 (fr) 2019-07-22 2020-07-17 Compositions de gypse

Country Status (3)

Country Link
EP (1) EP4003931A1 (fr)
IT (1) IT201900012597A1 (fr)
WO (1) WO2021013751A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115160801A (zh) * 2022-07-20 2022-10-11 江苏博拓新型建筑材料股份有限公司 一种增强型有机硅微胶囊石膏防水乳液及其制备方法与应用

Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3455710A (en) 1964-09-04 1969-07-15 Wacker Chemie Gmbh Water repellent masonry articles
EP0171018A2 (fr) 1984-08-09 1986-02-12 Bayer Ag Procédé pour la fabrication de corps façonnés hydrophobes à base de gypse
EP0382577A1 (fr) 1989-02-10 1990-08-16 Alko Group Ltd. Hydrolysat enzymatique d'un dérivé de cellulose
EP0465992A1 (fr) 1990-07-02 1992-01-15 Aqualon Company Composition de polysaccharide à haute teneur en solides et de faible viscosité
GB2281073A (en) 1993-07-26 1995-02-22 Courtaulds Plc Hydrolysis of polysaccharides
EP0708113A1 (fr) 1994-09-26 1996-04-24 Hoechst Aktiengesellschaft Procédé pour la préparation d'éthers de cellulose de bas poids moléculaire
US5814411A (en) 1992-10-09 1998-09-29 General Electric Company Water-repellent wallboard
WO1999050200A1 (fr) 1998-03-31 1999-10-07 Rhodia Chimie Procede d'hydrofugation du platre mettant en oeuvre au moins un alkylhydrogenopolysiloxane et au mpoins un hydrocolloide
DE10220659A1 (de) 2002-05-09 2003-11-27 Wacker Chemie Gmbh Behandlung von Gips mit H-Siloxan und Stärkeether
WO2005012540A1 (fr) 2003-07-17 2005-02-10 Lamberti Spa Depolymerisation enzymatique de la carboxymethylcellulose dans des solutions aqueuses a base d'alcool
US20060254468A1 (en) * 2003-05-22 2006-11-16 Thomas Bastelberger Hydrophobing additive
US7294195B2 (en) 2005-08-08 2007-11-13 Wacker Chemical Corporation Water repellant gypsum compositions
US20090036572A1 (en) 2006-02-28 2009-02-05 Bpb Ltd. Method For Waterproofing A Gypsum-Based Product Formed From A Plaster-Based Composition

Patent Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3455710A (en) 1964-09-04 1969-07-15 Wacker Chemie Gmbh Water repellent masonry articles
EP0171018A2 (fr) 1984-08-09 1986-02-12 Bayer Ag Procédé pour la fabrication de corps façonnés hydrophobes à base de gypse
EP0382577A1 (fr) 1989-02-10 1990-08-16 Alko Group Ltd. Hydrolysat enzymatique d'un dérivé de cellulose
EP0465992A1 (fr) 1990-07-02 1992-01-15 Aqualon Company Composition de polysaccharide à haute teneur en solides et de faible viscosité
US5814411A (en) 1992-10-09 1998-09-29 General Electric Company Water-repellent wallboard
GB2281073A (en) 1993-07-26 1995-02-22 Courtaulds Plc Hydrolysis of polysaccharides
EP0708113A1 (fr) 1994-09-26 1996-04-24 Hoechst Aktiengesellschaft Procédé pour la préparation d'éthers de cellulose de bas poids moléculaire
WO1999050200A1 (fr) 1998-03-31 1999-10-07 Rhodia Chimie Procede d'hydrofugation du platre mettant en oeuvre au moins un alkylhydrogenopolysiloxane et au mpoins un hydrocolloide
DE10220659A1 (de) 2002-05-09 2003-11-27 Wacker Chemie Gmbh Behandlung von Gips mit H-Siloxan und Stärkeether
US20060254468A1 (en) * 2003-05-22 2006-11-16 Thomas Bastelberger Hydrophobing additive
WO2005012540A1 (fr) 2003-07-17 2005-02-10 Lamberti Spa Depolymerisation enzymatique de la carboxymethylcellulose dans des solutions aqueuses a base d'alcool
US7294195B2 (en) 2005-08-08 2007-11-13 Wacker Chemical Corporation Water repellant gypsum compositions
US20090036572A1 (en) 2006-02-28 2009-02-05 Bpb Ltd. Method For Waterproofing A Gypsum-Based Product Formed From A Plaster-Based Composition

Also Published As

Publication number Publication date
IT201900012597A1 (it) 2021-01-22
EP4003931A1 (fr) 2022-06-01

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