Aqueous inkjet ink composition

Patent Name Waterborne Inkjet Ink Composition Patent Applicant Rohm and Haas Company Principal Applicant Address Pennsylvania State Inventor Fu Zhenwen; Guo Hailan; Michel Halden-Abeiden; Xima H. ​​Ray Application (patent ) No. 200510081459.X Application date 2005.06.22 Certification date Approval announcement number 1712468 Approval announcement date 2005.12.28 Manual CD-ROM number D0552 Main classification number C09D11/10 Classification number C09D11/10; B41J2/01 Division Original application number Priority 2004.6.22 US 60/581,808 Abstract An ink jet ink composition suitable for printing images on hydrophobic surfaces, such as polyvinyl chloride surfaces, containing an aqueous carrier, a self-dispersible pigment, a silicon-containing An alkane surfactant and an aqueous emulsion polymer having a glass transition temperature (Tg) from -40°C to 150°C. A method of printing an image on a hydrophobic surface is also provided. Slavs 1. An aqueous inkjet ink composition for printing on a hydrophobic surface, comprising: a) an aqueous carrier; b) a self-dispersible pigment; c) a siloxane-containing surface active And d) a polymer having a glass transition temperature (Tg) of -40°C to 150°C.