Abstract:
Primary carpet backings for tufted carpets comprise, in one embodiment, fabric woven from warp tapes comprising polypropylene and weft yarns in a plain, closed weave with an average warp count of about 18 to 32 tapes per inch and a lower average weft count, wherein the warp tapes have deniers of about 250 to about 800 and the weft yarns comprise polypropylene tapes that are thicker and of greater denier than the warp tapes. In another embodiment carpets comprising a primary backing as described above tufted with carpet face yarn to provide a pile surface comprising a plurality of face yarn tufts on one side of the backing and a plurality of stitches of the face yarn on an opposite, stitched side of the tufted backing and, optionally having a secondary backing laminated to the stitched side of the backing, have good tuft holding properties for a wide range of carpet face yarn deniers, carpet pile surfaces and styles.