| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a chemical fiber paper superior in printability while having high texture of Japanese paper. <P>SOLUTION: The chemical fiber paper contains a natural pulp fiber and a rayon fiber, and contains a sawdust pulp fiber as the natural pulp fiber. It is preferable that a content of the sawdust pulp fiber is 20 mass% or more but 80 mass% or less, a content of the natural pulp fiber except the sawdust pulp fiber is 10 mass% or more but 30 mass% or less, and a content of the rayon fiber is 5 mass% or more but 50 mass% or less. It is preferable that freeness of the sawdust pulp fiber is 580 ml or more but 700 ml or less and a weight weighted average fiber length thereof is 1.0 mm or more but 2.5 mm or less. It is preferable that fineness of the rayon fiber is 0.5 dtex or more but 3.0 dtex or less and the number average fiber length thereof is 2 mm or more but 7 mm or less. <P>COPYRIGHT: (C)2013,JPO&INPIT |
