Soil-repellent monofilament for paper machine wire-cloths,...

D - Textiles – Paper – 01 – F

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D01F 6/92 (2006.01)

Patent

CA 2122372

The dirt-repellent monofilament with a toughness of at least 36 cN/tex and an extension of under 44 % has a soiling index AI > 2 after five soiling and cleaning cycles. To manufacture the dirt- repellent monofilaments, a copolymer with a melting point of 255 to 275 ° C and consisting of alkenes and monofilament is added to a polymer melt of polyethylene terephthalate before extrusion. The dirt-repellent monofilament is advantageously used in the manufacture of cleaning filters for the dry section of a paper machine, i.e. paper machine fabric filters. It may also be used to produce fabrics for general use as technical fabrics which have to be cleaned in difficult conditions.

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