| http://www.w3.org/ns/prov#value | - As a result, untreated polypropylene fabrics, even while having an open pore structure, tend to resist the application of dyes.According to the present invention, a polyetheresteramide additive is incorporated into a thermoplastic polyolefin, such as polypropylene, in the melt, and is extruded with the polyolefin into the form of fibers and filaments which are thenquenched, attenuated and formed i
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