Highly durable superhydrophobic, oleophobic and anti-icing coatings and methods and compositions for their preparation
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
C03C-017/30
C09D-007/12
C09K-003/18
D06M-011/79
D06M-015/564
D06M-023/08
C03C-015/00
C03C-019/00
F25D-025/02
C23C-004/10
C23C-004/12
F25D-023/00
C08K-003/22
C08K-003/34
C08K-003/40
C08K-009/08
출원번호
US-0082327
(2011-04-07)
등록번호
US-9067821
(2015-06-30)
발명자
/ 주소
Bleecher, Douglas
Harsh, Philip
Hurley, Michael
Jones, Andrew K.
Ross, Russell
Sikka, Vinod K.
Zielke, Donald
출원인 / 주소
Ross Technology Corporation
대리인 / 주소
Perkins Coie LLP
인용정보
피인용 횟수 :
9인용 특허 :
326
초록
Highly durable hydrophobic, oleophobic, and anti-icing coatings and methods of their preparation and use are described herein.
대표청구항▼
1. A hydrophobic coating on a substrate prepared by a method comprising: a) applying to said substrate a coating composition, comprising i) a binder, ii) first particles having a size of about 30 microns to about 225 microns, and iii) a solvent, to provide a base coating; andb)applying to said base
1. A hydrophobic coating on a substrate prepared by a method comprising: a) applying to said substrate a coating composition, comprising i) a binder, ii) first particles having a size of about 30 microns to about 225 microns, and iii) a solvent, to provide a base coating; andb)applying to said base coating a composition comprising second particles having a size of about 1 nanometer to 25 microns, wherein, prior to the application of the second particles to the base coating,i) the second particles have been modified with hexamethyldisilazane,ii) the second particles comprise covalently bound polydimethylsiloxane, oriii) the second particles comprise one or more covalently bound moieties independently selected from the group consisting of alkyl, haloalkyl and perfluoroalkyl moieties, which one or more moieties are covalently bound to said second particles by reaction of the particles with a silanizing agent of formula (I), said compound of formula (I) having the structure: R4-nSi—Xn (I)where n is an integer from 1 to 3;each R is independently selected from(i) C1 to 20 alkyl optionally substituted with one or more fluorine atoms; or(ii) —Z—((CF2)q(CF3))r, wherein Z is a C1-12 divalent alkane radical or a C2-12 divalent alkene or alkyne radical, q is an integer from 1 to 12, and r is an integer from 1-4;each X is independently selected from the group consisting of —H, —Cl, —I, —Br, —OH, —OR2, —NHR3, and —N(R3)2;each R2 is an independently selected C1 to 4 alkyl or haloalkyl group; andeach R3 is an independently selected H, C1 to 4 alkyl or haloalkyl group;wherein said coating has a contact angle with water that is greater than about 120° at a temperature of 18° C. to 23° C.;wherein the coating has a surface in contact with the substrate and an exposed surface comprising the binder that is not in contact with the substrate, the exposed surface having an arithmetical mean roughness from about 0.2 microns to about 20 microns, or a ten point mean roughness from about 1 micron to about 90 microns;wherein, in the resulting coating, the first particles are primarily distributed within and coated with the binder and the second particles are primarily distributed on the exposed surface;andwherein the coating has a greater number of second particles on the exposed surface than on the surface in contact with the substrate. 2. The coating of claim 1, wherein the binder comprises a polyurethane, lacquer, fluoropolymer, epoxy or thermoplastic powder coating. 3. The coating of claim 1, wherein said first particles comprise a material selected from the group consisting of: wood, cellulose, metal oxides, metalloid oxides, plastics, carbides, nitrides, borides, spinels, diamonds, fibers, thermoplastics and glass. 4. The coating of claim 1, wherein said second particles comprise: a metal oxide, an oxide of a metalloid, a silicate, or a glass. 5. The coating of claim 1, wherein said second particles comprise one or more fluoroalkyl or perfluoroalkyl moieties that are covalently bound to the second particles directly or indirectly through one or more atoms bound to the second particles. 6. The coating of claim 1, wherein, prior to the application of the second particles to the base coating, said second particles have been modified with an agent selected from the group consisting of: (tridecafluoro-1,1,2,2-tetrahydrooctyl)silane; (tridecafluoro-1,1,2,2-tetrahydrooctyl) trichlorosilane; (tridecafluoro-1,1,2,2-tetrahydrooctyl)triethoxysilane; (tridecafluoro-1,1,2,2-tetrahydrooctyl)trimethoxysilane; (heptadecafluoro-1,1,2,2-tetrahydrodecyl)dimethyl(dimethylamino)silane; (heptadecafluoro-1,1,2,2-tetrahydrodecyl)tris(dimethylamino)silane; n-octadecyltrimethoxysilane; n-octyltriethoxysilane; nonafluorohexyldimethyl(dimethylamino)silane, and polydimethylsiloxane; and wherein, following the modification, the second particles comprise at least one moiety selected from the group consisting of alkyl, haloalkyl, and perfluoroalkyl. 7. The hydrophobic coating of claim 1, wherein the hydrophobic coating has an arithmetical mean roughness from about 0.2 microns to about 20 microns. 8. The hydrophobic coating of claim 1, wherein said hydrophobic coating retains its hydrophobicity when subject to at least 200 abrasion cycles, as measured with a Taber Abrasion tester model 503 using CS-10 wheels and 250 g loads, wherein a surface is no longer considered to retain its hydrophobicity when more than half of the water droplets placed on the abraded surface are retained on the abraded surface if the surface is inclined at an angle of 6°. 9. The hydrophobic coating of claim 1, wherein said coating has a contact angle with water that is greater than about 130° at 18° C. to 23° C. 10. A system for applying a hydrophobic coating on a substrate, the system comprising as separate components component (a) and component (b); wherein component (a) for application of a base coating comprises i) a binder, ii) a solvent, and iii) first particles having a size of about 30 microns to about 225 microns, and wherein said component (b) comprises second particles having a size of about 1 nanometer to 25 microns, where, prior to the application of the second particles to the base coating, i) the second particles have been modified with hexamethyldisilazane,ii) the second particles comprise covalently bound polydimethylsiloxane, oriii) the second particles comprise one or more covalently bound moieties independently selected from the group consisting of alkyl, haloalkyl, and perfluoroalkyl moieties, which one or more moieties are covalently bound to said second particles by reaction of the particles with a silanizing agent of formula (I), said compound of formula (I) having the structure: R4-nSi—Xn (I)where n is an integer from 1 to 3;each R is independently selected from(i) C1 to 20 alkyl optionally substituted with one or more fluorine atoms; or(ii) —Z—((CF2)q(CF3))r, wherein Z is a C1-12 divalent alkane radical or a C2-12 divalent alkene or alkyne radical, q is an integer from 1 to 12, and r is an integer from 1-4;each X is independently selected from the group consisting of —H, —Cl, —I, —Br, —OH, —OR2, —NHR3, and —N(R3)2;each R2 is an independently selected C1 to 4 alkyl or haloalkyl group; andeach R3 is an independently selected H, C1 to 4 alkyl or haloalkyl group;wherein the composition of component (a) and component (b) are such that application of component (a) to the substrate to form a base coat comprised of the binder and first particles followed by application of component (b) to said base coat produces the hydrophobic coating on said substrate, the hydrophobic coating having a surface in contact with the substrate and an exposed surface comprising the binder;wherein, in the resulting hydrophobic coating, the first particles are primarily distributed within and coated with the binder, and the second particles are primarily distributed on the exposed surface; andwherein the hydrophobic coating has an arithmetical mean roughness from about 0.2 microns to about 20 microns or a ten point mean roughness from about 1 micron to about 90 microns. 11. The system of claim 10, wherein said first particles comprise a plastic. 12. The system of claim 11, wherein said first particles are hollow spheres. 13. The system of claim 10, wherein said second particles have been modified with a silanizing agent of formula (I): R4-nSi—Xn (I)where n is an integer from 1 to 3;each R is an independently selected C1 to 20 alkyl optionally substituted with one or more fluorine atoms;each X is independently selected from the group consisting of —H, —Cl, —I, —Br, —OH, —OR2, —NHR3, and —N(R3)2;each R2 is an independently selected C1 to 4 alkyl or haloalkyl group; andeach R3 is an independently selected H, C1 to 4 alkyl or haloalkyl group. 14. A dried and cured hydrophobic coating applied to a substrate, wherein the coating has a surface in contact with said substrate and an exposed surface comprising binder that is not in contact with the substrate, the coating comprising: i) a binder; ii) first particles having a size of about 30 microns to about 225 microns; andiii) second particles having a size of about 1 nanometer to 25 microns that have been modified with hexamethyldisilazane, comprise covalently bound polydimethylsiloxane, or comprise one or more covalently bound moieties independently selected from the group consisting of alkyl, haloalkyl and perfluoroalkyl;wherein the coating optionally contains 5% to 10% of a block copolymer on a weight basis, the exposed surface having an arithmetical mean roughness from about 0.2 microns to about 20 microns or a ten point mean roughness from about 1 micron to about 90 microns;wherein said coating has a contact angle with water that is greater than about 120° at a temperature of 18° C. to 23° C.;wherein, in the hydrophobic coating, the first particles are primarily distributed within and coated with the binder, and the second particles are primarily distributed on the exposed surface; andwherein the coating has a greater number of second particles on the exposed surface than on the surface in contact with the substrate. 15. The coating of claim 14, wherein the coating comprises first particles in a range from about 2% to about 40% on a weight basis. 16. The coating of claim 14, wherein the coating comprises second particles in a range selected from about 1% to about 10% on a weight basis. 17. The coating of claim 14, wherein the binder comprises a polyurethane, lacquer, fluoropolymer, epoxy or thermoplastic powder coating. 18. The hydrophobic coating of claim 14, wherein the coating retains its hydrophobicity when subject to at least 200 abrasion cycles, as measured with a Taber Abrasion tester model 503 using CS-10 wheels and 250 g loads, wherein a surface is no longer considered to retain its hydrophobicity when more than half of the water droplets placed on the abraded surface are retained on the abraded surface if the surface is inclined at an angle of 6°. 19. The coating of claim 18, wherein said binder comprises a polyurethane. 20. The coating of claim 18, wherein the coating retains its hydrophobicity when subject to at least 300 abrasion cycles, as measured with a Taber Abrasion tester model 503 using CS-10 wheels and 250 g loads, wherein a surface is no longer considered to retain its hydrophobicity when more than half of the water droplets placed on the abraded surface are retained on the abraded surface if the surface is inclined at an angle of 6°. 21. A hydrophobic coating on a substrate prepared by a method comprising: a) applying to said substrate a coating composition comprising i) a binder, ii) a solvent, and iii) first particles having a size of about 30 micron to about 225 microns, to provide a base coating; andb) applying to said base coating a composition comprising a solvent and second particles comprised of silica or alumina having a size of about 1 nanometer to 25 microns, wherein prior to the application of said second particles to said base coating i) the second particles have been modified with hexamethyldisilazane,ii) the second particles comprise covalently bound polydimethylsiloxane, oriii) the second particles comprise one or more covalently bound moieties independently selected from the group consisting of alkyl, haloalkyl and perfluoroalkyl moieties, which one or more moieties are covalently bound to said second particles by reaction of the particles with a silanizing agent of formula (I), said compound of formula (I) having the structure: R4-nSi—Xn (I)where n is an integer from 1 to 3;each R is an independently selected C1 to 20 alkyl optionally substituted with one or more fluorine atoms, or each R is a —Z—((CF2)q(CF3))r group, wherein Z is a C1-12 divalent alkane, q is an integer from 1 to 12, and r is an integer from 1-4;each X is independently selected from the group consisting of —H, —Cl, —I, —Br, —OH, —OR2, —NHR3, and —N(R3)2;each R2 is an independently selected C1 to 4 alkyl or haloalkyl group; andeach R3 is an independently selected H, C1 to 4 alkyl or haloalkyl group; wherein the coating has a surface in contact with the substrate and an exposed surface comprising the binder that is not in contact with the substrate, the exposed surface having an arithmetical mean roughness from about 0.2 microns to about 20 microns, or a ten point mean roughness from about 1 micron to about 90 microns; wherein said coating has a contact angle with water that is greater than about 120° at a temperature of 18° C. to 23° C.; wherein, in the resulting hydrophobic coating, the first particles are primarily distributed within and coated with the binder, and the second particles are primarily distributed on the exposed surface; and wherein the coating has a greater number of second particles on the exposed surface than on the surface in contact with the substrate. 22. The coating of claim 21, wherein said second particles are second particles that have been modified with hexamethyldisilazane, octyltrimethoxysilane, polydimethylsiloxane, or tridecafluoro-1,1,2,2-tetrahydrooctyl trichlorosilane. 23. The coating according to claim 21, wherein the contact angle with water is greater than about 130°. 24. The coating of claim 23, wherein the coating retains its hydrophobicity when subject to at least 100 abrasion cycles, as measured with a Taber Abrasion tester model 503 using CS-10 wheels and 250 g loads, wherein a surface is no longer considered to retain its hydrophobicity when more than half of the water droplets placed on the abraded surface are retained on the abraded surface if the surface is inclined at an angle of 6°. 25. The coating according to claim 24, wherein the contact angle with water is greater than about 150°. 26. The hydrophobic coating of claim 1, wherein said second particles that comprise one or more covalently bound moieties independently selected from the group consisting of alkyl, haloalkyl and perfluoroalkyl moieties are second particles that have been modified with a silanizing agent of formula (I): R4-n—Si—Xn (I)where n is an integer from 1 to 3;each R is an independently selected —Z—((CF2)q(CF3))r group, wherein Z is a C1-12 divalent alkane, q is an integer from 1 to 12, and r is an integer from 1-4;each X is independently selected from the group consisting of —H, —Cl, —I, —Br, —OH, —OR2, —NHR3, and —N(R3)2;each R2 is an independently selected C1 to 4 alkyl or haloalkyl group; andeach R3 is an independently selected H, C1 to 4 alkyl or haloalkyl group. 27. The coating of claim 1, wherein said coating has a contact angle with water that is greater than about 140° at 18° C. to 23° C. 28. The coating of claim 14, wherein said second particles that comprise one or more independently selected alkyl, haloalkyl or perfluoroalkyl moieties covalently bound are second particles that have been modified with a silanizing agent of formula (I): R4-nSi—Xn (I)where n is an integer from 1 to 3;each R is an independently selected —Z—((CF2)q(CF3))r group, wherein Z is a C1-12 divalent alkane radical, q is an integer from 1 to 12, and r is an integer from 1-4;each X is independently selected from the group consisting of —H, —Cl, —I, —Br, —OH, —OR2, —NHR3, and —N(R3)2;each R2 is an independently selected C1 to 4 alkyl or haloalkyl group; andeach R3 is an independently selected H, C1 to 4 alkyl or haloalkyl group. 29. The coating of claim 21, wherein said second particles that comprise one or more independently selected alkyl, haloalkyl or perfluoroalkyl moieties covalently bound are second particles that have been modified with a silanizing agent of formula (I): R4-nSi—Xn (I)where n is an integer from 1 to 3;each R is an independently selected —Z—((CF2)q(CF3))r group, wherein Z is a C1-12 divalent alkane radical, q is an integer from 1 to 12, and r is an integer from 1-4;each X is independently selected from the group consisting of —H, —Cl, —I, —Br, —OH, —OR2, —NHR3, and —N(R3)2;each R2 is an independently selected C1 to 4 alkyl or haloalkyl group; andeach R3 is an independently selected H, C1 to 4 alkyl or haloalkyl group. 30. A system for applying a hydrophobic coating on a substrate, the system comprising as separate components component (a) and component (b); wherein component (a) for application of a base coating comprises i) a binder, ii) a solvent, and iii) first particles having a size of about 30 microns to about 225 microns, wherein said component (a) optionally comprises one or more solvents; andwherein component (b) comprises silica or alumina second particles having a size of about 1 nanometer to 25 microns, where, prior to the application of the second particles to the base coating, i) the second particles have been modified with hexamethyldisilazane,ii) the second particles comprise covalently bound polydimethylsiloxane, oriii) the second particles comprise one or more covalently bound moieties independently selected from the group consisting of alkyl, haloalkyl and perfluoroalkyl moieties, are covalently bound to said second particles by reaction of the particles with a silanizing agent of formula (I), said compound of formula (I) having the structure: R4-nSi—Xn (I)where n is an integer from 1 to 3;each R is independently selected from(i) C1 to 20 alkyl optionally substituted with one or more fluorine atoms; and(ii) —Z—((CF2)q(CF3))r, wherein Z is a C1-12 divalent alkane radical or a C2-12 divalent alkene or alkyne radical, q is an integer from 1 to 12, and r is an integer from 1-4;each X is independently selected from the group consisting of —Cl, —OR2, —NHR3, and —N(R3)2;each R2 is an independently selected C1 to 4 alkyl or haloalkyl group; andeach R3 is an independently selected H, C1 to 4 alkyl or haloalkyl group;wherein the composition of component (a) and component (b) are such that application of component (a) to the substrate to form a base coat comprised of the binder and first particles followed by application of component (b) to said base coat produces the hydrophobic coating on said substrate, the hydrophobic coating having a surface in contact with the substrate and an exposed surface comprising the binder;wherein, in the resulting hydrophobic coating, the first particles are primarily distributed within and coated with the binder, and the second particles are primarily distributed on the exposed surface; andwherein the hydrophobic coating has an arithmetical mean roughness from about 0.2 microns to about 20 microns or a ten point mean roughness from about 1 micron to about 90 microns and a contact angle with water that is greater than about 160° at a temperature of 18° C. to 23° C. 31. The coating of claim 1, wherein said contact angle with water is greater than about 150°. 32. The coating of claim 1, wherein said contact angle with water is greater than about 160°.
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이 특허에 인용된 특허 (326)
Thomas Phillipe Andre Fernand,BEX ; Stoks Walter Andre Jules,BEX ; Buegman Anne,BEX, Abrasion resistant coatings.
Payne Michael (Forest Park OH) Perkins Robert W. (Hamilton OH) Moore Danny R. (West Chester OH), Absorbent members having improved fluid distribution via low density and basis weight acquisition zones.
Fish Edison Allen ; Swindell Thomas R. ; Sandlin Randall ; Patterson ; III Russell George ; Ocharzak Daniel James ; Martin Robert Henry, Adjustable shelf for a refrigerator.
Kamitani, Kazutaka; Yamamoto, Hiroaki, Article coated with water-repellent film, liquid composition for coating with water-repellent film, and process for producing article coated with water-repellent film.
Yamamoto, Hiroaki; Kamitani, Kazutaka; Kawazu, Mitsuhiro; Asai, Mitsuo, Coating solution, method and kit for preparing the same, and method for water-repellent treatment using the same.
Majeti,Satyanarayana; Reno,Elizabeth Ann Brown; Kovacs,Stephen Andras, Compositions comprising anionic functionalized polyorganosiloxanes for hydrophobically modifying surfaces and enhancing delivery of active agents to surfaces treated therewith.
Dams, Rudolf J.; Fieuws, Franceska M.; Martin, Steven J.; Terrazas, Michael S.; Pellerite, Mark J., Compositions comprising fluorinated polyether silanes for rendering substrates oil and water repellent.
Benayoun,Jean Paul; Dhaler,Didier; Kieffer,Jacques; White,John, Crosslinking agent for a crosslinkable silicone composition with a low level of platinum based on a hydrogenated silicone oil comprising Si-H units at the chain end and in the chain.
Pellerite Mark J. (Woodbury MN) Jones Richard R. M. (Woodbury MN), Destructable fluorinated alkoxysilane surfactants and repellent coatings derived therefrom.
Fouillet,Yves; Charles,Raymond; Constantin,Olivier; Jeanson,Hubert, Device for displacement of small liquid volumes along a micro-catenary line by electrostatic forces.
Kane Edmund J. (Holland MI) Herrmann Robert S. (Grand Haven MI) Bienick Craig S. (Jenison MI) Wolters Gregory T. (Holland MI), Encapsulated shelf for refrigerated compartments.
Kane Edmund J. (Holland MI) Herrmann Robert S. (Grand Haven MI) Bienick Craig S. (Jenison MI) Wolters Gregory T. (Holland MI), Encapsulated shelf with pre-encapsulated bracket.
Audenaert Frans A. (Kaprijke BEX) Dams Rudolf J. (Zwijndrecht MN BEX) Kamrath Robert F. (Woodbury MN), Fluorine-efficient oil- and water-repellent compositions.
Scheidler Herwig (Mainz-Finthen DEX) Keller Gnther (Vols/Innsbruck ATX), Frame for plates of glass, vitreous ceramic or similar material, particularly for cooker hobs.
Baumann, Martin; Fritsche, Klaus-Dieter; Korbelarz, Dagmar; Ludwig, Stephan; Poth, Lutz, Glass ceramic and metal substrates with a self-cleaning surface, method for the production and use thereof.
Marie-Jose Azzopardi FR; Laurent DeLattre FR; Nathalie Codazzi FR, Hydrophobic treatment composition, method for forming a coating and products provided with said coating.
Varanasi P. Prabodh ; Goelz John F. ; Munagavalasa Murthy S., Method for imparting hydrophobicity to a surface of a substrate with low concentration organofunctional silanes.
Schakenraad Josephus Maria (Haren NLX) Busscher Hendrik Jan (Thesinge NLX), Method for modifying fluorine-containing plastic, modified plastic and bio-material containing this plastic.
Bookbinder,Dana Craig; Fewkes, Jr.,Edward John; Griffin,James Arthur; Smith,Frances M.; Tennent,David L., Method for reducing binding of organic material to hydrophobic surfaces.
Teranishi Toyoyuki (Kanagawa JPX) Kobayashi Hiroaki (Kanagawa JPX) Kawaguchi Jun (Tokyo JPX), Method of forming water-repellent film on transparent panel.
Bird Kevin C. (Holland MI) Gilbert Donald C. (Muskegon Heights MI) Herrmann Robert S. (Grand Haven MI) Wolters Gregory T. (Holland MI) Morgan Cleon C. (Holland MI), Molded refrigerator shelf.
Bird Kevin C. (Holland MI) Gilbert Donald C. (Muskegon Heights MI) Herrmann Robert S. (Grand Haven MI) Wolters Gregory T. (Holland MI) Morgan Cleon C. (Holland MI), Molded refrigerator shelf.
Andrews Peter (190 Gebhardt Road Penfield NY 14526), Motor vehicle oil drop pan apparatus device for indirectly saving lives and accidents on a highway.
Nakajima,Masayuki; Lin,Chia Cheng; Cheng,Shan; Colton,James P., Multi-layer coatings with an inorganic oxide network containing layer and methods for their application.
Michels Gisbert (Koln DEX) Konig Joachim (Odenthal DEX) Zweering Uwe (Dusseldorf DEX) Korte Siegfried (Odenthal DEX), Oil- and water-repellent papers, processes for their production and new fluorine-containing copolymers for this purpose.
Ring John,GB3 ; Cassidy Stephen Paul,GB3 ; Cordiner Andrew George,GB3 ; Morgan Andrew Robert,GB3 ; Handyside Timothy Marc,GB3 ; Sinclair-Day John David,GB3, Powder coating compositions.
Zimmerman Patrick G. (St. Paul) Babu Gaddam N. (Woodbury) Nguyen Lang N. (St. Paul MN) Blair Ingrid E. (Hudson) Vesley George F. (Hudson WI), Pressure-sensitive adhesive.
Schultheis Bernd (Schwabenheim DEX) Hubert Stefan (Bubenheim DEX) Leroux Roland (Stadecken-Elsheim DEX) Thurk Jurgen (Schornsheim DEX) Schaupert Kurt (Hofheim-Wallau DEX) Noky Werner (Mainz DEX), Process for forming a permanently elastic adhesive connection easily detachable in case of disassembly.
Datta, Saswati; France, Paul Amaat Raymond Gerard; Radomyselskiy, Arseniy Valerevich, Process for hydrophobic treatment of water vapor permeable substrates.
Strepparola Ezio (Treviglio ITX) Boselli Viviana (Milan ITX) Scapin Mauro (Busto Arsizio ITX), Process for imparting oil- and water-repellency to the surface of porous ceramic materials.
Yoshikawa Toshiaki,JPX ; Kameyama Makoto,JPX ; Suzuki Hiroyuki,JPX ; Osano Nagato,JPX ; Matsuhisa Hirohide,JPX ; Iwata Kenichi,JPX, Process for treating base to selectively impart water repellency, light-shielding member formed substrate, and production process of color filter substrate for picture device.
Bookbinder Dana Craig ; Fewkes ; Jr. Edward John ; Griffin James Arthur ; Smith Frances M. ; Tennent David L., Producing low binding hydrophobic surfaces by treating with a low HLB number non-ionic surfactant.
Chakrapani,Nirupama; Colburn,Matthew E.; Dimitrakopoulos,Christos D.; Pfeiffer,Dirk; Purushothaman,Sampath; Nitta,Satyanarayana V., Recovery of hydrophobicity of low-k and ultra low-k organosilicate films used as inter metal dielectrics.
Bienick,Craig, Refrigerator compartment housing vertically adjustable shelves, each formed from a piece of tempered glass to which is injection molded a frame in the form of front and rear border members.
Baumann, Martin; Fritsche, Klaus Dieter; Korbelarz, Dagmar; Ludwig, Stephan; Poth, Lutz, Self-cleaning paint coating and a method and agent for producing the same.
Kudo, Muneo; Ichinohe, Shoji; Asami, Atsushi; Asai, Mitsuo; Matsumura, Kazuyuki; Tanaka, Masaki, Silica particles surface-treated with silane, process for producing the same and uses thereof.
Jerome H. Ludwig, Silicone compositions, methods of making and using VOC free, non-flammable creams, pastes and powders to render nonporous surfaces water, soil and stain repellent.
Jones,Steven D.; Fearing,Ronald S., Structure having nano-fibers on annular curved surface, method of making same and method of using same to adhere to a surface.
Axtell, III, Enos A.; Sakoske, George E.; Swiler, Daniel R.; Hensel, Michael; Baumann, Martin; Matalka, David J.; Nuccetelli, Gary L., Structured self-cleaning surfaces and method of forming same.
Baumann, Martin; Fritsche, Klaus-Dieter; Korbelarz, Dagmar; Ludwig, Stephan; Poth, Lutz, Substrates with a self-cleaning surface, a process for their production and their use.
Shouji Mitsuyoshi,JPX ; Hamada Tomoyuki,JPX ; Kawashima Ken'ichi,JPX ; Ito Yutaka,JPX, Super water-repellent coating material, and super water-repellent coating film using the same.
Lee, Soo-Bok; Park, In-Joon; Lee, Kwang-Won; Kim, Dong-Kwon; Kim, Jeong-Hun; Ha, Jong-Wook; Park, Hyung-Sang; Jung, Dae-Hwan; Ruehe, Juergen, Super water-repellent organic/inorganic composite membrane.
Julian Jorge V. (7340 Bequette Ave. Pico Rivera CA 90660) Garruto John A. (110 Paseo Marguerita Vista CA 92084), Topical hydrophobic composition and method.
Ogawa Kazufumi (Hirakata JPX) Soga Mamoru (Osaka JPX), Water and oil repelling film having surface irregularities and method of manufacturing the same.
Ogawa Kazufumi,JPX ; Takebe Yasuo,JPX ; Mino Norihisa,JPX, Water repellent coating film, method and apparatus for manufacturing the same, and water repellent coating material composition.
David E. Turcotte ; Frances E. Lockwood ; Richard J. Baumgart ; Michael A. Dituro ; Claude S. Phoenix, Water repellent glass treatment for automotive applications.
Scarborough Victoria D. (Memphis TN) Czekai David A. (Honeoye Falls NY) Powell Jeffery E. G. (Blountville TN), Water-based water repellent coating compositions.
Inoue Manabu,JPX ; Ohnuma Tadahiro,JPX ; Yamamoto Tomitaka,JPX ; Sato Go,JPX, Water-soluble composition for water-repellent treatments of zinc and zinc alloy and method for water repellent treatment.
Horodysky Andrew G. (Cherry Hill NJ) Kaminski Joan M. (Mullica Hill NJ), Zwitterionic quaternary ammonium sulfonates and sulfates and lubricants and fuels containing same.
Bleecher, Douglas; Harsh, Philip; Hurley, Michael; Jones, Andrew K.; Ross, Russell; Sikka, Vinod K.; Zielke, Donald, Highly durable superhydrophobic, oleophobic and anti-icing coatings and methods and compositions for their preparation.
Bleecher, Douglas; Harsh, Philip; Hurley, Michael; Jones, Andrew K.; Lor, Boon Chan; Sikka, Vinod K., Plunger and methods of producing hydrophobic surfaces.
Gesford, Joshua; Hurley, Michael F.; Jones, Andrew K.; Lor, Boon Chan; Sikka, Vinod K.; Harsh, Philip R., Superhydrophobic and oleophobic coatings with low VOC binder systems.
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