| 摘要 |
An impulse-dried paper having a three-dimensional pattern of alternating raised and recessed portions which is conveyed to the paper in connection with the impulse drying. The paper contains at least 0,05 % by weight, calculated on the dry fiber weight, of one one more additives which in connection with impulse drying undergoes a chemical reaction so that they contribute in stabilizing the pattern structure that has been conveyed to the paper at the impulse drying. An example of such an additive is a wet strength agent. |
