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

Claim 9:
10. A two-part spray foam system for forming a hybrid non-isocyanate polyurethane foam, the foam system comprising:
a first part comprising:
a non-isocyanate polyurethane 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; and

0.1% to 20% by weight of a rheology modifier provided in at least one of the first part and the second part, based on the weight of the hybrid non-isocyanate polyurethane foam.