The present invention relates to ducts of an automotive washer system which convey a wash fluid from a storage tank to spraying nozzles at the application sites, including a windshield and, optionally, also a rear window and/or head lights and optionally also a camera. The ducts consist of a blend of (i) propylene-ethylene copolymer and (ii) a thermoplastic polyolefin elastomer selected from ethylene-octene copolymer and polybutene in the weight ratio of (i) : (ii) 8-9 :1 wherein said blend further comprises up to 6 % by weight, based on the polymer mixture, of auxiliary substances selected from antioxidants, UV stabilizers, inorganic fillers, colorants and, optionally, processing aids.
DUCTS OF AN AUTOMOTIVE WASHER SYSTEM
LEITUNGEN FÜR EINE AUTOSCHEIBENWASCHANLAGE
CONDUITS D'UN SYSTÈME DE LAVAGE D'AUTOMOBILES
2021-12-29
Patent
Electronic Resource
English
IPC: | 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 / C08L COMPOSITIONS OF MACROMOLECULAR COMPOUNDS , Massen auf Basis makromolekularer Verbindungen |