US 12,421,408 B2
Inkjet ink for printed circuit boards
Marion Sauvageot, Mortsel (BE); Ann Willems, Mortsel (BE); and Johan Loccufier, Mortsel (BE)
Assigned to Agfa-Gevaert NV, Mortsel (BE)
Appl. No. 17/924,520
Filed by AGFA-GEVAERT NV, Mortsel (BE)
PCT Filed Apr. 27, 2021, PCT No. PCT/EP2021/060901
§ 371(c)(1), (2) Date Nov. 10, 2022,
PCT Pub. No. WO2021/228543, PCT Pub. Date Nov. 18, 2021.
Claims priority of application No. 20174007 (EP), filed on May 12, 2020.
Prior Publication US 2023/0174808 A1, Jun. 8, 2023
Int. Cl. C09D 11/38 (2014.01); B41J 2/01 (2006.01); B41J 2/21 (2006.01); C09D 11/101 (2014.01); H05K 1/02 (2006.01); H05K 3/28 (2006.01)
CPC C09D 11/38 (2013.01) [B41J 2/01 (2013.01); C09D 11/101 (2013.01); H05K 3/287 (2013.01); B41J 2/2107 (2013.01); H05K 1/0269 (2013.01); H05K 2203/013 (2013.01)] 14 Claims
 
1. A radiation curable inkjet ink comprising a polymerizable compound and a photoinitiator characterized in that the inkjet ink further comprises a di- or multifunctional alkoxysilane and a monofunctional alkoxysilane functionalized with a group selected from the group consisting of an epoxide and an oxetane, wherein the di- or multifunctional alkoxysilane includes at least two alkoxysilane moieties according to Formula I,

OG Complex Work Unit Chemistry
wherein
L represents a divalent linking group selected from the group consisting of a substituted or unsubstituted alkylene group, a substituted or unsubstituted alkenylene group, a substituted or unsubstituted alkynylene group, and a substituted or unsubstituted arylene group, and
R represents a group selected from the group consisting of a substituted or unsubstituted alkyl group, a substituted or unsubstituted alkenyl group, a substituted or unsubstituted alkynyl group, a substituted or unsubstituted alkaryl group, a substituted or unsubstituted aralkyl group, and a substituted or unsubstituted aryl or heteroaryl group.