CPC B29C 70/14 (2013.01) [B27N 3/00 (2013.01); B27N 3/04 (2013.01); B27N 1/003 (2013.01); B27N 1/029 (2013.01); B27N 3/143 (2013.01); B29K 2311/10 (2013.01)] | 21 Claims |
1. A method for making a fibrous mixture with a polymer, the method comprising:
depositing a fibrous material adjacent a first surface;
depositing a polymer liquid onto the fibrous material to form a mixture;
applying a cyclic pressure onto the mixture, wherein the cyclic pressure is characterized by an increase rate applied for a first duration (t1), a peak pressure value applied for a second duration (t2) to maintain the peak pressure value, and a decrease rate applied for a third duration (t3),
wherein the first duration (t1) is greater than the third duration (t3); and
ending the cyclic pressure to complete a pressurization cycle.
|