Vliesstoffbindemittel mit hohem Nassfestigkeit-Trockenfestigkeit Verhältnis

摘要

A nonwoven product comprises a nonwoven web of fibers bonded with a polymer containing an aqueous-based ethylene-vinyl acetate polymer emulsion of polymerized units of crystalline ethylene segments; having a crystalline melting point ranging from 35 - 90[deg]C as measured by differential scanning calorimetry at a heat rate of 20[deg]C per minute; and having a wet/dry tensile strength ratio of at least 0.75. A nonwoven product comprises a nonwoven web of fibers bonded together with a polymer containing an aqueous-based ethylene-vinyl acetate polymer emulsion of polymerized units of crystalline ethylene segments; and having a crystalline melting point ranging from 35 - 90[deg]C as measured by differential scanning calorimetry at a heat rate of 20[deg]C per minute. The polymer comprises of polymerized units of vinyl acetate, ethylene, and polymerized units of a crosslinking monomer at a binder add-on that is sufficient to bind the fibers together to form a self-sustaining web. The polymer is prepared by emulsion polymerizing vinyl acetate, ethylene and crosslinking monomer in the presence of a stabilizing system.