Patent ID: 11958109
Assignee: HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.
Field: Materials, metallurgy (Chemistry)
Classification: CPC B  C  Y | IPC B  C

Claim 3:
4. The three-dimensional printing kit as defined in claim 1 wherein the curable polyurethane adhesion promoter is a reaction product of components (a), (b), (c), (d), and:
(e) a polyol having two or more hydroxyl functional groups and a number average molecular weight ranging from about 50 g/mol to about 6,000 g/mol; or
(f) an other acrylate or methacrylate having one hydroxyl functional group or one amino functional group, or an acrylamide or methacrylamide having one hydroxyl functional group; or
(g) a homopolymer or copolymer of poly(ethylene glycol) having one or two hydroxyl functional groups or one or two amino functional groups, a number average molecular weight ranging from about 500 g/mol to about 3,000 g/mol, and a water solubility greater than 30% v/v; or
any combination of (e), (f), and (g).