Hydrophobic coating for ink jet printing heads

US6283578A · kind A · utility

Assignee

• Pelikan Produktions AG · CH

Inventors

• Michael Popall · Coburg, DE
• Jochen Schulz · Veitshöchheim, DE
• Birke Olsowski · Veitshöchheim, DE
• Adelheid Martin · Sulingen, DE
• Karl Buhler · Hersbruck, DE

Key dates

• Filing date: Jun 11, 1998
• Grant date: Sep 4, 2001
• Expiry date: Jun 11, 2018

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C09D183/06
• WIPO field: Basic materials chemistry
• WIPO sector: Chemistry

Abstract

The invention provides inkjet print head which has an Anti-wetting Coating of a polymer material, which is produced with the utilization of at least one Compound (I) X.sub.a R.sub.b SiR.sup.1.sub.(4-a-b) with X=hydrolyzable group, R=possibly substituted Alkyl, Aryl, Alkenyl, Alkylaryl or Arylalkyl, R.sup.1 =organic remainder with at least one polymerizable group, a=to 3, b=0 to 2. In addition, a Process for the Manufacture of the Print Heads is made available, as well as a Means for the Coating of same.