Patent ID: 11959210
Assignee: OWENS CORNING INTELLECTUAL CAPITAL, LLC
Field: Textile and paper machines (Mechanical engineering)
Classification: CPC D  B  E | IPC B  D  E

Claim 0:
1. A nonwoven fiber mat comprising:
randomly oriented fibers; and
a two-part binder system applied to at least a portion of the randomly oriented fibers, wherein the binder system comprises:
a formaldehyde-free carbohydrate-based binder, and
a formaldehyde-free hydrophobic acrylic-based binder,

wherein the formaldehyde-free hydrophobic acrylic-based binder is applied over the formaldehyde-free carbohydrate-based binder,
and wherein the formaldehyde-free acrylic-based binder is impregnated within the nonwoven fiber mat.