Fine denier polypropylene fiber will degrade and crosslink after Co60 or electronic radiation.So,disperse dyes can be introduced to it, the soaping fastness of several dyes will go beyond grade 3. 5.

• 细旦丙纶经钴60或电子辐照后；发生了部分降解和交联；因此可用分散染料染色；某些染料皂洗牢度可达3.；5级以上。