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US 12,138,850 B2Granted
Additive manufacturing using polyurea materials
AssigneePPG Industries Ohio, Inc.
InventorsDavid Robert Fenn, Kurt G. Olson, Reza M. Rock, Cynthia Kutchko, Susan Donaldson, Anthony J. Fogl
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Abstract
Methods of additive manufacture using coreactive components are disclosed. Thermosetting compositions for additive manufacturing are also disclosed.
Claims20
A reactive additive manufacturing composition, comprising:
- a first compound having a first functional group;
- a second compound having a second functional group, wherein the second functional group is reactive with the first functional group;
- and
- a third compound having a third functional group, wherein the third functional group is reactive with the first functional group or the second functional group;
- wherein the reactive additive manufacturing composition is characterized by a tack free time of greater than 3 minutes.
2 more elements
Dependencies are inferred from the claim text.