Patent ID: 7182832

Claim:
A method of making a headliner for motor vehicle interiors, the method comprising: a) applying an adhesive to a first fiber mat and a second fiber mat to form a first adhesive-containing fiber mat and a second adhesive-containing fiber mat wherein the adhesive has protected reactive groups and the first adhesive-containing fiber mat and the second adhesive-containing fiber mat each independently comprise fibers, a binder, and the adhesive; b) heating the first adhesive-containing fiber mat and the second adhesive-containing fiber mat; c) assembling a multilayered structure that has the first adhesive-containing fiber mat positioned between a first fabric layer and a padding layer, and the second adhesive-containing fiber mat positioned between the padding layer and a second fabric layer wherein; the first fabric layer and the second fabric layer each independently include a fabric selected from woven fabrics or non-woven fabrics; the first adhesive-containing fiber mat is disposed over the first fabric layer; the padding layer is disposed over the first adhesive-containing fiber mat; the second adhesive-containing fiber mat is disposed over the padding layer; and the second fabric layer is disposed over the second adhesive-containing fiber mat; and d) pressing and heating the multilayered structure at a sufficient temperature to adhere the first fabric layer, the first adhesive-containing fiber mat, the padding layer, the second adhesive-containing fiber mat, and the second fabric layer together, wherein step b) is performed before step c and step d).