Provided is a wiper blade for vehicle is provided capable of exhibiting excellent wipability.The wiper blade for vehicle brings a part of the lip part into contact with a surface of the to-be-cleaned member, and cleans the surface thereof, the polyurethane of the lip part comprises a reactant of a composition including an isocyanate compound which includes diisocyanate and tri- or higher functional polyfunctional isocyanate, and an alcohol which includes tri- or higher functional polyfunctional alcohol, the diisocyanate has an aromatic ring in a molecule, when M1 represents a detected amount of all ions, M2 represents tri- or higher functional polyfunctional isocyanate, and M3 represents diisocyanate, M2/M1 is 0.001 to 0.028, M3/M1 is 0.020 to 0.110, and M2/M3 is 0.013 to 0.300, and a concentration of the tri or higher functional polyfunctional alcohol in the polyurethane is 0.12 mmol/g to 0.65 mmol/g.
WIPER BLADE FOR VEHICLE
WISCHBLATT FÜR EIN FAHRZEUG
LAME D'ESSUYAGE POUR VÉHICULE
2023-06-07
Patent
Elektronische Ressource
Englisch
IPC: | C08G MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS , Makromolekulare Verbindungen, anders erhalten als durch Reaktionen, an denen nur ungesättigte Kohlenstoff-Kohlenstoff-Bindungen beteiligt sind / B60S SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR , Warten, Reinigen, Instandsetzen, Unterstützen, Anheben oder Rangieren von Fahrzeugen, soweit nicht anderweitig vorgesehen |