作者: Kunio Nishimura , Mamoru Tsumoto
DOI:
关键词:
摘要: A wet-degradable fiber having a covering resin layer is described. The moisture permeability (R) of forming the at least 2.5 g/m .24 hours as determined relative humidity difference 0% and 90% with respect to thickness 0.1 mm. strength wet reduction ratio ( DELTA 5) within range satisfying requirements represented by following formulae: 1.10 wherein S1 represents after two hours' immersion in water 20 DEG C S2 fifty C.