Acrylics are scoured with nonionic detergents, and care is taken to avoid alkaline conditions, since these fibers turn yellow in hot alkali.
丙烯腈纤维织物应使用非离子型洗涤剂,而避免使用碱性溶液,因为在热碱性条例下丙烯腈纤维容易变黄。
2
The cause of yellow spots formed on fibers or fabrics from more than 10 fluorescent whiteners commonly used in China was studied on the basis of the whitening mechanism.