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WO1998007793A1 - Compositions protectrices hybrides inorganiques-organiques resistant aux degradations causees par l'environnement - Google Patents

Compositions protectrices hybrides inorganiques-organiques resistant aux degradations causees par l'environnement Download PDF

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Publication number
WO1998007793A1
WO1998007793A1 PCT/US1996/013278 US9613278W WO9807793A1 WO 1998007793 A1 WO1998007793 A1 WO 1998007793A1 US 9613278 W US9613278 W US 9613278W WO 9807793 A1 WO9807793 A1 WO 9807793A1
Authority
WO
WIPO (PCT)
Prior art keywords
silane
composition
alkali metal
water
concrete
Prior art date
Application number
PCT/US1996/013278
Other languages
English (en)
Inventor
Hugh H. Wang
Bo H. Gimvang
Original Assignee
Fmc Corporation
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 Fmc Corporation filed Critical Fmc Corporation
Priority to AU67762/96A priority Critical patent/AU6776296A/en
Priority to CA002234946A priority patent/CA2234946A1/fr
Priority to PCT/US1996/013278 priority patent/WO1998007793A1/fr
Publication of WO1998007793A1 publication Critical patent/WO1998007793A1/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
    • C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
    • C04B41/009—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone characterised by the material treated
    • 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
    • C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
    • C04B41/45—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements
    • C04B41/46—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements with organic materials
    • C04B41/49—Compounds having one or more carbon-to-metal or carbon-to-silicon linkages ; Organo-clay compounds; Organo-silicates, i.e. ortho- or polysilicic acid esters ; Organo-phosphorus compounds; Organo-inorganic complexes
    • C04B41/4905—Compounds having one or more carbon-to-metal or carbon-to-silicon linkages ; Organo-clay compounds; Organo-silicates, i.e. ortho- or polysilicic acid esters ; Organo-phosphorus compounds; Organo-inorganic complexes containing silicon
    • C04B41/4922—Compounds having one or more carbon-to-metal or carbon-to-silicon linkages ; Organo-clay compounds; Organo-silicates, i.e. ortho- or polysilicic acid esters ; Organo-phosphorus compounds; Organo-inorganic complexes containing silicon applied to the substrate as monomers, i.e. as organosilanes RnSiX4-n, e.g. alkyltrialkoxysilane, dialkyldialkoxysilane
    • 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
    • C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
    • C04B41/60—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone of only artificial stone
    • C04B41/61—Coating or impregnation
    • C04B41/62—Coating or impregnation with organic materials
    • C04B41/64—Compounds having one or more carbon-to-metal of carbon-to-silicon linkages
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D1/00—Coating compositions, e.g. paints, varnishes or lacquers, based on inorganic substances
    • C09D1/02—Coating compositions, e.g. paints, varnishes or lacquers, based on inorganic substances alkali metal silicates
    • C09D1/04—Coating compositions, e.g. paints, varnishes or lacquers, based on inorganic substances alkali metal silicates with organic additives
    • 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
    • C04B2111/2015—Sulfate resistance
    • 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
    • C04B2111/2023—Resistance against alkali-aggregate reaction
    • 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
    • C04B2111/26—Corrosion of reinforcement resistance
    • 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
    • C04B2111/29—Frost-thaw resistance

Definitions

  • This invention concerns compositions that are applied to the surface of construction materials to improve resistance to weather and/or environment caused degradation.
  • compositions and methods have been used in the field to treat the surface of construction materials.
  • the compositions have included organic-based chemicals such as silanes, siliconates, siloxanes, silicone resins, urethanes, methacrylates, styrene-butadiene copolymers, and inorganic-based chemicals such as sodium and potassium silicates.
  • organic-based materials they are either water-based or solvent based or water/solvent-based.
  • NCHRP Report 244 disclosed the test results along with the representative commercial products available in 1981.
  • 21 products which the NCHRP program evaluated four of the products could reduce water absorption by 75%.
  • These four materials were two epoxy- based products, one methacrylate-based product, and one urethane-based product. All other materials based on linseed oil, silane, siloxane, siliconate, chlorinated rubber butadiene, etc., failed to reduce water absorption by 75%.
  • Some of the above organic-based products were highly harmful to the environment and unsafe to the user because they were solvent-based solutions.
  • U. S. Patent No. 3,772,065 disclosed a composition based on alkyltrialkoxysilane solution with alcohol as solvent.
  • the composition was U. S. Patent No. 3,772,065 disclosed a composition based on alkyltrialkoxysilane solution with alcohol as solvent.
  • the composition was used for water-proofing on masonry applications.
  • U. S. Patent No. 3,819,400 disclosed a composition based on silane and siloxane solution that can be used for surface protection of porous materials.
  • 3,879,206 disclosed a composition based on alkyltrialkoxysilane solution with alcoholic or benzene type solvent. The composition was used for the impregnation of masonry surfaces.
  • U. S. Patent No. 4,341 ,560 disclosed a composition of the combination of alkaline metal alkylsiliconate or phenyl siliconates, calcium hydroxide or calcium oxide, and/or poly- ⁇ , ⁇ -unsaturated carboxylic acid. The composition was used for waterproofing of gypsum molded products.
  • U. S. Patent No. 4,536,534 disclosed an aqueous primer composition based on an alkali-soluble acrylic resin and siliconates. The composition was used for waterproofing strongly alkaline substrates.
  • U. S. Patent No. 4,814,407 disclosed a composition based on an alkylalkoxysilane or a fluoroalkylalkoxysilane. The composition was used for reducing water absorption of substrates.
  • U. S. Patent No. 4,816,506 disclosed a composition containing aqueous silicone dispersions based on the combination of poly diorganosiloxane, (organo)metallic compound(s), a siliconate, and an optional silicone resin. The composition was used for elastomeric coating or sealant applications.
  • U. S. Patent No. 4,894,405 disclosed a composition based on the combination of a polyurethane and an organosilane. The composition was used for concrete and masonry waterproofing applications.
  • U. S. Patent No. 4,517,357 disclosed a composition of silanol solution prepared by hydrolysis of alkyltrialkoxysilanes.
  • U. S. Patent No. 4,648,904 disclosed a composition based on an aqueous silane system. The composition was used for rendering masonry surfaces water repellent.
  • U. S. Patent No. 5,356,716 disclosed a composition based on the combination of mainly polyurethane, siliconate, and silicate. The composition was used for waterproofing concrete, masonry, and porous surfaces.
  • compositions are based on formation of a hydrophobic film on the substrates where they are applied.
  • the compositions may provide adequate waterproofing to the substrates for a short period of time, but, the compositions tend to deteriorate over time when exposed to environments such as ultraviolet radiation. They are also easily worn away when the substrates are subjected to frequent abrasion such as occurs in parking garages and on highway pavement. Therefore, an "offensive" approach is needed to provide adequate waterproofing to the substrates to extend service life of the waterproofing and to reduce the possibility of substrate wearing.
  • compositions which have water repellency function are chemically reactive to form strong bonding with the substrate, are capable of penetrating into substrate to form multilevel waterproofing layers, and can enhance the hardness of the substrate to resist abrasion.
  • the present invention is an example of this offensive approach.
  • the present invention concerns novel compositions which can be used to treat the surface of construction materials.
  • the treatment can prevent the construction materials from deterioration associated with physical, chemical, and biological processes which in turn are associated with the penetration of moisture into the structures made with these materials.
  • the products in this invention can also be used to prevent the treated construction materials from deterioration associated with solvent attack, such as gasoline and motor oil, etc.
  • construction materials as used herein is intended to include concrete materials; wooden materials; natural and artificial stones, plastic, metal, plaster, ceramic materials such as bricks, masonry, tile, concrete aggregates which are subject to alkali-silica reactions etc.; and other materials with the potential of damage due to water absorption.
  • cementitious materials as used herein is intended to include the systems containing cementitious materials, water, aggregates, and ASTM C494 defined chemical admixtures such as water reducing, set accelerating and retarding admixtures, and other chemical admixtures added to concrete for various purposes such as corrosion control, shrinkage control, etc.
  • Such systems can be concrete, grout, mortar, and products made therefrom.
  • cemetitious materials as used herein includes the systems which harden after being mixed with water.
  • Such systems include portland cements such as described in ASTM C150, white portland cements, calcium aluminate cements, etc.
  • Such systems also include the above mentioned cements blended with ASTM C311 defined pozzolanic materials such as fly ash, raw or calcined natural pozzolans, ASTM C989 defined ground granulated blast furnace slag, ASTM C-1240 defined silica fume materials.
  • ASTM C311 defined pozzolanic materials such as fly ash, raw or calcined natural pozzolans, ASTM C989 defined ground granulated blast furnace slag, ASTM C-1240 defined silica fume materials.
  • structures as used herein is intended to include the elements made with previously mentioned material and/or materials. Such structures include highways, bridges, parking garages, stadiums, airport runways, sidewalk ways, buildings, landmark architectures, historic structures, sewer pipes, and lining tile, and any other elements need to be protected from moisture/water intake.
  • the structures made with concrete, wooden, natural stone, plaster, and fibrous ceramic materials have a tendency to absorb water from the environment.
  • the water absorption into these materials can induce damage to the materials by physical, chemical, and biological processes.
  • the processes can be aggravated by the presence of harmful chemicals in the water and surrounding environment.
  • water can be transported into and out of the concrete matrix through the continuous capillary pores in the concrete. This mass exchange process of water with concrete will adversely affect the performance of concrete; for example: 1.
  • Chemical deterioration Water in the environment always contains harmful chemicals such as sulfate, chloride, sodium and potassium, etc. When these chemicals penetrate into concrete accompanying with water, several destructive reactions will take place in concrete and will result in damage to concrete. Typical examples are as follows: (1) sulfate attack;
  • compositions comprising quaternary systems which contain water, organofunctional silanes (referred to silane thereafter), alkali metal organosiliconates (referred to as siliconate hereinafter), and water soluble alkali metals polysilicates (referred to hereinafter as silicate ).
  • the water used in the formulation of the compositions of this invention can be from tap water supplies for general public users.
  • the organofunctional silanes used in the practice of this invention should be water soluble and remain stable in the pH range of 7-11 , depending on the water percentage in the formula.
  • the silane used in the inventive compositions may be polymerized, for example to form a dimer or a trimer, as long as the polymerized silanes do not precipitate and separate from the solution.
  • silanes include, but are not limited to: vinyl-tris-(2- methoxyethoxy)silane, ⁇ -amino-propyltriethoxysilane, ⁇ - aminopropyltrimethoxysiiane, N- ⁇ -aminoethyl- ⁇ -aminopropyl- trimethoxysilane, triaminofunctionalsilanes, N- ⁇ -aminoethyl- ⁇ - aminopropylmethyldimethoxysilane, ⁇ -amino- ⁇ -methylethyltriethoxysilane, ⁇ - aminopropyltriethoxysilane, ⁇ -aminobutyltrimethoxysilane, ⁇ - aminohexyltriethoxy-sila ⁇ e, ⁇ -aminopropylmethyldiethoxysilane, ⁇ - aminopropylphenyldiethoxysilane N-methyl- ⁇ -aminopropylphenyldiethoxy
  • silanes can be hydrolyzed to produce their corresponding silanols and/or siloxanes.
  • the corresponding silanols and/or siloxanes can also be employed in this invention.
  • a typical example is ⁇ - aminopropyltriethoxysilane which can be hydrolyzed to corresponding silanols and/or siloxanes.
  • a commercial example of a hydrolyzed ⁇ - aminopropyltriethoxysilane is Siquest 1106TM.
  • the alkali metal organosiliconates used in the invention can be sodium methyl siliconate and/or potassium methyl siliconate and/or mixtures thereof.
  • the alkali polysilicates used in the invention are selected from sodium silicate, potassium silicate, lithium polysilicate, and mixtures thereof, or the combination of these three.
  • the percentage of water is between about 60 and about 95%, by weight, and the percentage of active chemicals (combination of silane, siliconate and silicate) is between about 5 and about 40%.
  • the chemical components of the compositions in the ternary mixtures of the phase diagram include compositions containing about 0.1 to 0.6 parts of an alkali metal siliconate, 0.1 to 0.5 parts of an organofunctional silane and 0.2 to 0.8 parts of a water soluble alkali polysilicate.
  • compositions that are contained inside the darkened region of the Figure are useful compositions of this invention.
  • the proportion outside the darkened region will not yield either a stable or an effective product.
  • the procedure of manufacturing is critical to obtain a stable and an effective composition.
  • General procedure for high percentage of active component (higher than 20%) is as follows:
  • step one can be avoided by adding the alkali organosilicate to a hydrolyzed silane. 3. Add above prepared solution slowly into alkali polysilicate solution while stirring.
  • silane into water while stirring at the rate between 500 and about 1500 rpm, and let silane hydrolyze for at least 6 hours, preferably overnight, before adding other ingredients.
  • step one can be avoided by adding the alkali organosiliconate to a hydrolyzed silane. 3. Add alkali polysilicate into above solution while stirring.
  • Example 1 prepared using the foregoing procedures, further illustrate the invention and are not intended as limiting.
  • Example 1 prepared using the foregoing procedures, further illustrate the invention and are not intended as limiting.
  • Dow Corning Z-6020 ,TM is identified as aminoethyl-aminopropyldimethoxxsilane, Dow Corning777TM as potassium methylsiliconate and Lifetech 705 TM as lithium polysilicate

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Structural Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Aftertreatments Of Artificial And Natural Stones (AREA)
  • Paints Or Removers (AREA)

Abstract

L'invention concerne des compositions destinées à être appliquées sur la surface de matériaux de construction afin d'améliorer leur résistance face aux dégradations causées par l'environnement. Ces matériaux de construction contiennent approximativement de 60 à 95 % en poids d'eau et de 5 à 40 % en poids d'un mélange composé d'un siliconate d'un métal alcalin, d'un silane organofonctionnel et d'un polysilicate alcalin soluble dans l'eau dans les quantités et les proportions définies par la partie noircie du schéma de phase.
PCT/US1996/013278 1996-08-16 1996-08-16 Compositions protectrices hybrides inorganiques-organiques resistant aux degradations causees par l'environnement WO1998007793A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
AU67762/96A AU6776296A (en) 1996-08-16 1996-08-16 Hybrid inorganic-organic environmental resistant protective compositions
CA002234946A CA2234946A1 (fr) 1996-08-16 1996-08-16 Compositions protectrices hybrides inorganiques-organiques resistant aux degradations causees par l'environnement
PCT/US1996/013278 WO1998007793A1 (fr) 1996-08-16 1996-08-16 Compositions protectrices hybrides inorganiques-organiques resistant aux degradations causees par l'environnement

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CA002234946A CA2234946A1 (fr) 1996-08-16 1996-08-16 Compositions protectrices hybrides inorganiques-organiques resistant aux degradations causees par l'environnement
PCT/US1996/013278 WO1998007793A1 (fr) 1996-08-16 1996-08-16 Compositions protectrices hybrides inorganiques-organiques resistant aux degradations causees par l'environnement

Publications (1)

Publication Number Publication Date
WO1998007793A1 true WO1998007793A1 (fr) 1998-02-26

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WO (1) WO1998007793A1 (fr)

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007143029A1 (fr) * 2006-05-31 2007-12-13 Roskilde Semiconductor Llc Matériaux poreux dérivés de composites polymères
WO2009055019A1 (fr) * 2007-10-26 2009-04-30 Gimvang Bo H Composé de préparation de surface
US7531209B2 (en) 2005-02-24 2009-05-12 Michael Raymond Ayers Porous films and bodies with enhanced mechanical strength
EP1532081A4 (fr) * 2002-06-06 2010-05-05 Radi Al-Rashed Melange chimique aqueux destine a limiter les problemes lies a l'eau dans des revetements en beton
US7790234B2 (en) 2006-05-31 2010-09-07 Michael Raymond Ayers Low dielectric constant materials prepared from soluble fullerene clusters
US7919188B2 (en) 2006-05-31 2011-04-05 Roskilde Semiconductor Llc Linked periodic networks of alternating carbon and inorganic clusters for use as low dielectric constant materials
WO2012145659A1 (fr) * 2011-04-20 2012-10-26 Dow Corning Corporation Compositions aqueuses stables d'alkyl siliconates de métal alcalin avec alkylsilanes fluorés et aminosilanes, et procédés de traitement de surface à l'aide des compositions
CN104130620A (zh) * 2013-05-04 2014-11-05 瓦克化学（中国）有限公司 一种有机硅组合物在水性涂料中的用途
WO2019182513A1 (fr) * 2018-03-20 2019-09-26 Agency For Science, Technology And Research Formulation d'imperméabilisation
US11130209B2 (en) 2010-01-29 2021-09-28 Adhesives Technology Corporation Methods for providing glossy surfaces

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3549395A (en) * 1968-02-28 1970-12-22 Du Pont Organosiliconates in lithium polysilicates
US3661602A (en) * 1970-07-13 1972-05-09 Du Pont Silane-stabilized silicate foams
US4162169A (en) * 1977-12-21 1979-07-24 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Alkali-metal silicate binders and methods of manufacture
US5356716A (en) * 1992-09-04 1994-10-18 Patel Pratim R Waterproofing sealer/repellent compositions for concrete, masonry and porous surfaces

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3549395A (en) * 1968-02-28 1970-12-22 Du Pont Organosiliconates in lithium polysilicates
US3661602A (en) * 1970-07-13 1972-05-09 Du Pont Silane-stabilized silicate foams
US4162169A (en) * 1977-12-21 1979-07-24 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Alkali-metal silicate binders and methods of manufacture
US5356716A (en) * 1992-09-04 1994-10-18 Patel Pratim R Waterproofing sealer/repellent compositions for concrete, masonry and porous surfaces

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1532081A4 (fr) * 2002-06-06 2010-05-05 Radi Al-Rashed Melange chimique aqueux destine a limiter les problemes lies a l'eau dans des revetements en beton
US7531209B2 (en) 2005-02-24 2009-05-12 Michael Raymond Ayers Porous films and bodies with enhanced mechanical strength
US8034890B2 (en) 2005-02-24 2011-10-11 Roskilde Semiconductor Llc Porous films and bodies with enhanced mechanical strength
WO2007143029A1 (fr) * 2006-05-31 2007-12-13 Roskilde Semiconductor Llc Matériaux poreux dérivés de composites polymères
US7790234B2 (en) 2006-05-31 2010-09-07 Michael Raymond Ayers Low dielectric constant materials prepared from soluble fullerene clusters
US7883742B2 (en) 2006-05-31 2011-02-08 Roskilde Semiconductor Llc Porous materials derived from polymer composites
US7919188B2 (en) 2006-05-31 2011-04-05 Roskilde Semiconductor Llc Linked periodic networks of alternating carbon and inorganic clusters for use as low dielectric constant materials
WO2009055019A1 (fr) * 2007-10-26 2009-04-30 Gimvang Bo H Composé de préparation de surface
US11130209B2 (en) 2010-01-29 2021-09-28 Adhesives Technology Corporation Methods for providing glossy surfaces
WO2012145659A1 (fr) * 2011-04-20 2012-10-26 Dow Corning Corporation Compositions aqueuses stables d'alkyl siliconates de métal alcalin avec alkylsilanes fluorés et aminosilanes, et procédés de traitement de surface à l'aide des compositions
CN104130620A (zh) * 2013-05-04 2014-11-05 瓦克化学（中国）有限公司 一种有机硅组合物在水性涂料中的用途
WO2019182513A1 (fr) * 2018-03-20 2019-09-26 Agency For Science, Technology And Research Formulation d'imperméabilisation

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Publication number Publication date
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