| 摘要 |
<p>PCT No. PCT/GB90/01846 Sec. 371 Date Sep. 19, 1991 Sec. 102(e) Date Sep. 19, 1991 PCT Filed Nov. 28, 1990 PCT Pub. No. WO91/08340 PCT Pub. Date Jun. 13, 1991.The present invention relates to a felt for use in papermaking machines showing enhanced resistance to degradation in the presence of peroxide which felt comprises a woven base and a sheet contracting layer attached thereto characterized in that at least one of said layer and said woven base comprises fibers of polyamide 12, 12 found by extrusion of a melt of polyamide 12, 12 having intrinsic viscosity of not less than 0.65 dl/gram.</p> |
