Phuong D Pham

US Patent:

20180010004, Jan 11, 2018

Filed:

Jan 30, 2015

Appl. No.:

15/544489

Inventors:

- Houston TX, US
Bin Huang - San Diego CA, US
George Sarkisian - San Diego CA, US
Fereshteh Khorrami - San Diego CA, US
Phuong My Pham - San Diego CA, US

International Classification:

C09D 11/30
C08L 75/16
C09D 11/101
C09D 11/54

Abstract:

A colorless radiation curable binder dispersion includes water and a radiation curable polyurethane. The polyurethane is formed from a polyisocyanate; an acrylate or methacrylate having at least two hydroxyl (OH) groups and an acrylate or methacrylate group; another acrylate or methacrylate having an OH or amino group; and one of: i) a sulfonate or sulfonic acid having one amino group; ii) a combination of i and a compound including a carboxylic group and an OH or amino group; iii) a combination of i and a homopolymer or copolymer of poly(ethylene glycol) having one or two OH or amino groups at one chain end; or iv) a combination of i, a compound including a carboxylic group and an OH or amino group, and a homopolymer or copolymer of poly(ethylene glycol) having one or two OH or amino groups at one chain end.