Search Results - wolfgang+sigmund

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3D Printing of Ceramic and Metallic Structures from Non-Toxic Materials
Safely and Rapidly Fabricates Mechanically Sound, Freeform Structures This non-toxic, 3D printing material and technique rapidly builds mechanically sound ceramic and metallic structures by curing layers of non-toxic slurry with a laser or infrared lamp. The market for ceramic 3D printing was $116 million in 2020 and should grow to $384 million by...
Published: 12/15/2021   |   Inventor(s): Wolfgang Sigmund, Jens Guenster, Andrea Zocca, Franziska Schmidt
Keywords(s):  
Category(s): Technology Classifications > Engineering > Materials, Technology Classifications > Engineering > Mechanical
Coatings for Self-Cleaning Superhydrophobic, Superoleophobic, or Omniphobic Surfaces
Dichotomous Hydrophilic/Hydrophobic Particles Generate Surfaces with Contact Angle Greater than 150° to Repel Liquids and Oils These particles with hydrophilic cores and hydrophobic agents around them disperse in water to form a coating that generates a superhydrophobic, superoleophobic, or omniphobic surface upon application. Interior and exterior...
Published: 6/27/2021   |   Inventor(s): Wolfgang Sigmund
Keywords(s):  
Category(s): Technology Classifications > Engineering > Materials, Technology Classifications > Engineering > Chemical
Water-Dispersible Particles for Self-Cleaning Superhydrophobic Paint
Repels Dirt, Dust, Water, and Even Oily Liquids and Organic Solvents When formulated into paint, these silica or titanium dioxide composite particles make the coating superhydrophobic. Paint on furniture and the exterior and interior walls of buildings accumulate dirt, dust, air pollution, and other contaminant particles . Painted areas, therefore,...
Published: 6/27/2021   |   Inventor(s): Wolfgang Sigmund, Chieh-Ming Tsai
Keywords(s):  
Category(s): Technology Classifications > Engineering > Materials, Technology Classifications > Engineering > Chemical
Durable Colored Paint That Makes Surfaces Superhydrophobic and Self-Cleaning
Exhibits Higher Rates of Superhydrophobicity than Paints Without Added Color Pigments This durable colored paint supplies superhydrophobic and self-cleaning properties to a variety of surfaces. A material exhibits hydrophobic properties when its surface is difficult to wet due to the organization of its particles. This resistance to wetness brings about...
Published: 6/27/2021   |   Inventor(s): Wolfgang Sigmund, Yung-Chieh Hung
Keywords(s): Coating, Nanoparticle, PMMA, PVDF, Solubility, Solvent, Superhydrophobic
Category(s): Technology Classifications > Engineering > Chemical, Technology Classifications > Engineering > Materials
Transparent, Durable, Superhydrophobic Ceramic Coating
Silica Nanoparticles Applied to Substrate Surface Gives Superhydrophobic PropertiesThis transparent, durable ceramic coating can be applied to surfaces to supply superhydrophobic and self-cleaning properties. Superhydrophobic surfaces are those that have a water contact angle larger than 150 degrees. These types of surfaces, modeled after lotus plants,...
Published: 6/27/2021   |   Inventor(s): Wolfgang Sigmund, Yung-Chieh Hung
Keywords(s): Ceramics Nanoparticles, silica gel, Superhydrophobic, Transparent Coating
Category(s): Technology Classifications > Engineering, Technology Classifications > Engineering > Chemical, Technology Classifications > Engineering > Materials
Ceramic-Polymer Composite for More Durable Superhydrophobic and Oleophobic Surface Coating
Liquid Solution Is Easily Applied to Make a Variety of Substrates Repel Water, Oil, and DirtWhen applied to a surface, this ceramic-polymer composite results in articles with more durable superhydrophobic and oleophobic coatings. Surface cleaning and repainting of buildings, vehicles and energy collection devices can be costly and time consuming. For...
Published: 6/27/2021   |   Inventor(s): Wolfgang Sigmund, Shu-Hau Hsu, Ravi Vasudevan
Keywords(s): ceramic materials and powders, ceramic-polymer, Coating, Composites, Oleophobic, Paint, polymer, Superhydrophobic, thermoplastic, thermoset
Category(s): Technology Classifications > Engineering, Technology Classifications > Engineering > Materials
Superhydrophobic and Oleophobic Surface Treatment that Outlasts Available Coatings
Wear-Resistant Coating Repels Water and Oil, Making Surfaces Truly Self-CleaningThis surface treatment far exceeds the durability of available self-cleaning superhydrophobic and oleophobic coatings, increasing the lifetime of the coating and providing a significant marketing advantage. This water and oil repellent coating could be applied to surfaces...
Published: 6/27/2021   |   Inventor(s): Wolfgang Sigmund, Shu-Hau Hsu, Ravi Vasudevan
Keywords(s): Coatings, Composite, polymer, Superhydrophobic, thermoplastic, thermoset, wear resistant
Category(s): Technology Classifications > Engineering, Technology Classifications > Engineering > Materials
Superhydrophobic, Superoleophobic Spray Coating that Makes Surfaces Self-Cleaning
Alumina Nanoparticle Spray Helps Surfaces Repel Water, Oil, Dirt, and Corrosives This easily applied, highly transparent, superhydrophobic and superoleophobic coating makes glass and paint and a variety of surfaces self-cleaning. Several products on the market claim to repel water; this spray achieves superhydrophobicity and superoleophobicity, repelling...
Published: 6/27/2021   |   Inventor(s): Wolfgang Sigmund, Shu-Hau Hsu, Ravi Vasudevan
Keywords(s): Clean Tech, Superhydrophobic, Surface Modification, surface wettability, Transparent Coating
Category(s): Technology Classifications > Engineering > Materials