Polyurea/Polyurethane Coatings TRIZ Cases
- Low-Monomer Hydrophilic Polyisocyanates via Stabilized Uretdione
Phosphoric acid neutralization stabilizes uretdione structures during hydrophilization, keeping monomeric diisocyanate content below 0.10% by weight.
- Curable Compound with Dual Light and Moisture Curing Mechanism
A curable compound merges photopolymerizable acrylate groups with moisture-reactive isocyanate groups for simultaneous crosslinking.
- Active Energy Ray-Curable Composition Viscosity Control
A curable composition uses a specific polyfunctional compound to achieve suitable viscosity for coating.
- UV-Curable Hard Coating for Polycarbonate Adhesion and Recoating
A UV-curable hard coating composition cures rapidly on polycarbonate substrates to form a durable film with strong adhesion.
- Pyrazole-Blocked Polyisocyanate for Low-Temperature Urethane Coatings
A pyrazole-blocked polyisocyanate enables low-temperature curing of urethane coatings.
- Multilayer Polyurea-Polyurethane Coating for Controlled Urea Release
A polyurea layer bonded to a polyurethane layer on urea fertilizer particles enables controlled dissolution rates.
- Moisture-Curing Polyisocyanate Coatings for Elasticity and Drying Speed
Polyisocyanate mixtures combine TDI isocyanurates with nitrogen-containing polyethers to form durable coatings.
- Curable Silicone Composition for Display Filler Haze Reduction
A curable silicone composition incorporating hydroxyl-containing oligomers to maintain optical transparency in display fillers.
- Polymodal Polyurethane Coating for Spatter-Free Application
Viscoelastic rheological control in aqueous polyurethane dispersions prevents overspray and spatter during high-speed nozzle discharge.
- Blocked Polyisocyanate Coating Film for Solvent Resistance
A one-liquid coating composition uses a tertiary alkoxy-based blocking agent to form a crosslinked film with enhanced solvent resistance.
- Polyurethane Formation Using Hindered Secondary Hydroxyl Polyols
Hindered secondary hydroxyl polyols paired with zinc catalysts balance rapid cure rates against hardness and weatherability losses.
- Polyurethane Prepolymer Synthesis Reducing Free Diisocyanate Monomers
Two-stage polyurethane prepolymer synthesis using equimolar stoichiometry and catalyst-driven polymerization to achieve high functionality.
- Spraying Liquid Car Cover Film Composition
An aliphatic isocyanate prepolymer and imine resin combine to create a sprayable car cover film that resolves adhesion and weather resistance trade-offs.
- Polyaspartic Coating System Resists Blistering at High Film Thickness
A two-component coating system combines polyaspartic acid ester with a high-functionality polyisocyanate to form durable protective layers.
- Hydrophilic Film for Ex Vivo Membranes via Reactive Coating
Reactive surfactants form chemical bonds with the substrate, preventing delamination while maintaining hydrophilicity.
- PDI-Based Polyisocyanate Coatings for Chemical Resistance
A polyisocyanate composition blends pentamethylene diisocyanate with cycloaliphatic agents to enhance coating durability.
- Two-Component Coating for Fiber-Reinforced Plastics
A two-component coating material composition cures rapidly at low temperatures to form a stable film on fiber-reinforced substrates.
- Invisible Authentication via Embossed Leather Texture
Embossed leather texture encodes identification codes to prevent counterfeiting while preserving luxury appearance.
- Hydrophobic-icephobic Organosilane Coatings for Aircraft Ice Shedding
A hydrophobic-icephobic organosilane coating chemically bonds to substrates to repel water and prevent ice adhesion.
- Thermoplastic Polyurethane Discoloration Reduction via Aliphatic Isocyanate Segmentation
Two-stage aliphatic isocyanate addition minimizes conjugated electron systems that cause yellowish-brown coloration in renewable polyester polyols.
- Stain Resistant Coating Composition Using Segmented Resin Particles
A coating composition combines urethane acrylate and acrylic resin particles to form a stain resistant film.
- Self-healing urethane film for foldable device protection
A self-healing composition forms a flexible transparent film that recovers from scratches through UV-curable photopolymerization.