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10-11-2017

Artificial Turf with Marbled Monofilament

ARTIFICIAL TURF WITH MARBLED MONOFILAMENT (© European Patent Office)

The invention provides for a method of manufacturing artificial turf (1000), the method comprising the steps of: - creating (100) a liquid polymer mixture (100, 400, 500), wherein the polymer mixture is at least a two-phase system, a first one (402) of the phases comprising a first polymer and a first dye, a second one (404) of the phases of the polymer mixture comprising a second polymer and a second dye, the second dye having a different color than the first dye, the second polymer being of the same or of a different type as the first polymer, the first and the second phase being immiscible, the first phase forming polymer beads within the second phase; - extruding (102) the polymer mixture into a monofilament (606) comprising a marbled pattern of the first and second color; - quenching (104) the monofilament; - reheating (106) the monofilament; - stretching (108) the reheated monofilament to deform the polymer beads into threadlike regions (800) and to form the monofilament into an artificial turf fiber (1004); - incorporating (110) the artificial turf fiber into an artificial turf backing (1002).

Document: EP3228737A1
Click here for the full patent text at DEPATISnet [PDF]
Published patent application
Disclosure date: 04-04-2016
Publication date: 10-11-2017
Applicant: POLYTEX SPORTBELÄGE PRODUKTIONS-GMBH, DE
Inventor: JANSEN BERND, DE ; SANDER DIRK, DE ; SCHMITZ DIRK, DE ; SICK STEPHAN, DE


© European Patent Office. This information was obtained from the espacenet of the European Patent Office. There is no guarantee of its correctness or curency. For additional information, please use the research at espacenet. It is possible to determine the current legal and procedural status of patents and utility patents/models at http://worldwide.espacenet.com/ kfree of charge.

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