Patent ID: 6500289
Filing Date: 2002-12-31
Classification: D21H

Abstract:
A process for forming a paper-based sheet material comprising the steps of:a) providing a web containing paper fibers, said web having a first surface and a second surface; b) applying a first bonding material in a spaced-apart pattern arrangement to said first surface of said web, said first bonding material being applied to said first surface to penetrate said web sufficiently to form bonded web portions in which said fibers are bonded together by said first bonding material, said first bonding material comprising a standard bonding material and a water-borne composition chosen from the group consisting of water-borne epoxies, and mixtures of water-borne urethanes and water-borne epoxies; c) adhering said first surface of said web to a creping surface and then creping said web from said creping surface.