Wiper blade rubber

Provided is a wiper blade rubber which exhibits high adhesion to glass surfaces, excellent friction performance and excellent wiping performance, while being free from the occurrence of a bulge (blister) in a coating layer due to bleeding from a rubber substrate or blooming. A wiper blade rubber whi...

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Bibliographische Detailangaben
Hauptverfasser:	Okamoto, Yasuyuki, Ohsako, Hiroaki, Ohtsubo, Shuichi, Sakurai, Masaki
Format:	Patent
Sprache:	eng
Schlagworte:	ADHESIVES AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G CHEMICAL PAINT OR INK REMOVERS CHEMISTRY COATING COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS COMPOSITIONS BASED THEREON CORRECTING FLUIDS DYES FILLING PASTES GENERAL PROCESSES OF COMPOUNDING INKS METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS ORGANIC MACROMOLECULAR COMPOUNDS PAINTS PASTES OR SOLIDS FOR COLOURING OR PRINTING PERFORMING OPERATIONS POLISHES SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, ORMANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR THEIR PREPARATION OR CHEMICAL WORKING-UP TRANSPORTING USE OF MATERIALS THEREFOR VEHICLES IN GENERAL WOODSTAINS WORKING-UP
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Beschreibung
Zusammenfassung:	Provided is a wiper blade rubber which exhibits high adhesion to glass surfaces, excellent friction performance and excellent wiping performance, while being free from the occurrence of a bulge (blister) in a coating layer due to bleeding from a rubber substrate or blooming. A wiper blade rubber which has a lip part obtained by forming a coating layer on a rubber substrate by spray coating, and which is characterized in that: the coating layer is composed of a portion (A) that covers the rubber substrate and portions (B) that do not cover the rubber substrate; the portions (B) are a plurality of pores which are uniformly dispersed in the entire area of the coating layer and have diameters of 10 to 40 μm; and the ratio of the total area of portion (A) that covers the rubber substrate to the total area of the portions (B) that do not cover the rubber substrate is from 40:60 to 60:40.