Polyurea/Polyurethane Coatings TRIZ Cases

Incorporating polyoxyalkylene alkyl ether phosphate into polyisocyanate compositions resolves water dispersibility and storage stability trade-offs.

High boiling coalescents enable early film hardness in aqueous systems, eliminating volatile solvents that cause surface tack and toxicity issues.

Bis(isocyanatomethyl)cyclohexane isocyanurates replace toxic organotin catalysts to achieve early hardness and water resistance without reducing pot life.

A golf ball paint film uses a porous filler with high silica content to enhance water repellency.

Sulfonate groups in the aqueous polyurethane dispersion prevent agglomeration and flaking while maintaining low gloss.

Organic solvent interfacial polymerization encapsulates the curing agent to prevent hydrolysis while maintaining high activity.

Polyvinyl alcohol barriers prevent contamination while maintaining recyclability through silane coupling.

Optimized molecular weight distribution maintains isocyanate functional group numbers while ensuring water dispersibility and pot life.

Segmenting polyurethane strength from fluorinated non-stick properties resolves surface stickiness while maintaining excellent stretchability.

Urethane methacrylates reduce strong odors from high vapour pressure acrylates while maintaining mechanical stability.

Epoxidized vegetable oil oligomers cure via radiation to provide flexibility and adhesion without prime coats or high energy thermal processing.

A multi-functional isocyanate treatment forms a partially cross-linked structure in thermoplastic polyurethane golf ball covers.

Phosphinate groups grafted into polyurethane chains create stable aqueous dispersions for clear coating production.

A room-temperature-curable polybutadiene resin composition forms a cured film with high gas permeation resistance.

Mixing with 0.5 to 40 kW/m3 power input reduces turbidity in isocyanate-terminated prepolymers, enabling optical quality for demanding coating systems.

A surface treatment composition uses specific solvents and acrylic monomers to modify organic substrate surfaces.

Dual viscosity agents in aqueous coatings prevent settling and graininess while maintaining low nonvolatile content.

A coating composition uses specific organic solvents to form a cured film with stable gloss and matte finish.

High-index isocyanate coating cross-links via heat treatment to improve mechanical strength and scuff-resistance without costly separate steps.

Organosiloxane coatings with blocked isocyanate silanes resolve the trade-off between abrasion resistance and formability on transparent plastic substrates.

A coating composition uses a silane to plasticizer weight ratio above 0.4 to reduce fracturing risk in optical articles.

A polyetheramide synergist polymer enhances low-shear viscosity and provides fast viscosity rebound in coating formulations.