Manufacturing method of high performance multilayer nonwoven fabric for gas filters and filters thereby

摘要

manufacturing a multilayer composite nonwoven fabric for high-efficiency gas filter of the invention the low melting point fibers are mixed fiber surface by carding and forming a non-woven fabric manufactured according to the conventional method supplies a single fiber web state and, as a bi-layer structure by introducing a meltblown nonwoven fabric sheet on the bottom and is characterized in that the needle punching , and to continuously render them yeolkal ; According to the present invention has the effect that a multi-layer composite non-woven fabric for the gas filter is made of a highly economical speed process . ; the multi-layer composite non-woven fabric for the gas filter of the present invention for dust collection bag filter , automotive cabin filter , car air cleaner, can be useful for automotive air conditioning filter .