US 11,697,704 B2
Aldimine containing glass bonding primer
Niranjan Malvadkar, Auburn Hills, MI (US); Daniel P. Sophiea, Auburn Hills, MI (US); and Jamie M. Weishuhn, Midland, MI (US)
Assigned to DDP Specialty Electronic Materials US, LLC, Wilmington, DE (US)
Filed by DDP Specialty Electronic Materials US, LLC, Wilmington, DE (US)
Filed on Oct. 27, 2020, as Appl. No. 17/81,112.
Application 17/081,112 is a division of application No. 16/340,869, abandoned, previously published as PCT/US2017/054690, filed on Oct. 2, 2017.
Claims priority of provisional application 62/409,454, filed on Oct. 18, 2016.
Prior Publication US 2021/0040259 A1, Feb. 11, 2021
Int. Cl. C08G 18/32 (2006.01); C09J 7/50 (2018.01); C08G 18/28 (2006.01); C08G 18/38 (2006.01); C08G 18/50 (2006.01); C08G 18/58 (2006.01); C08G 18/72 (2006.01); C08G 18/73 (2006.01); C08G 18/76 (2006.01); C08G 18/79 (2006.01); C08G 18/80 (2006.01); C09J 175/04 (2006.01)
CPC C08G 18/3256 (2013.01) [C08G 18/289 (2013.01); C08G 18/2895 (2013.01); C08G 18/3844 (2013.01); C08G 18/503 (2013.01); C08G 18/584 (2013.01); C08G 18/725 (2013.01); C08G 18/73 (2013.01); C08G 18/7664 (2013.01); C08G 18/795 (2013.01); C08G 18/809 (2013.01); C09J 7/50 (2018.01); C09J 175/04 (2013.01)] 8 Claims
 
1. A primer composition comprising, based on the total weight of the composition: an organic solvent, selected from acetone, methyl ethyl ketone, and a mixture thereof;
an aldimine;
an alkoxysilane;
a non-reactive film forming resin;
a polyisocyanate prepolymer;
a reactive modifier, which is an oxazolidine-containing compound;
a catalyst;
an isocyanate stabilizer, which is diethyl malonate; and
diglycidyl ether of bisphenol A; wherein the diglycidyl ether of bisphenol A is present at less than 10 wt %.