Patent ID: 11958955
Assignee: OWENS CORNING INTELLECTUAL CAPITAL, LLC
Field: Macromolecular chemistry, polymers (Chemistry)
Classification: CPC C | IPC C

Claim 0:
1. A two-part non-isocyanate polyurethane foam system with reduced harmful vapor emission comprising:
a first part comprising:
a urethane reactant comprising a preformed urethane prepolymer; and
a resin polymer;

a second part comprising:
a cross-linker having at least two reactive functional groups adapted to be rapidly crosslinked with the reactive functional groups of the urethane reactant to form a hybrid polyurethane; and
a blowing agent with at least one of zero ozone depletion potential or low global warming potential; and

a rheology modifier provided in at least one of the first part and the second part, wherein upon formation, the foam composition releases substantially no isocyanate vapors.