| 摘要 |
<p>A method of making an interior trim system for a vehicle includes providing a trim assembly having a cover layer and a backing layer attached to the cover layer, the backing layer including a polymeric material and a blowing agent. The method further includes activating the blowing agent to form fluid cells in the backing layer that expand and burst, such that the backing layer is an air-permeable layer after the activating step.</p> |
