Process for the production of polyester fibers and filaments which can be dyed in the absence of carriers and the filaments and fibers produced thereby

摘要

The invention relates to polyester filaments and fibers and a process for the production of such polyester filaments and fibers which can be dyed in the absence of a carrier which comprises introducing into the polymer to be spun a silicate charged with an inert gas melt, spinning the mixture obtained in known manner and further processing into filaments or fibers.