Window covering and the method of making the same

Details Window covering and the method of making the same Window covering and the method of making the same

C - Chemistry, Metallurgy

08

L

C08L 67/02 (2006.01) B29C 47/00 (2006.01) C08J 5/00 (2006.01) E06B 9/266 (2006.01)

Patent

CA 2678011

A window covering has at least an element made of polyethylene terephthalate mixed with a filler, wherein the polyethylene terephthalate has a melt strength greater than 500Pa . s, and a ratio of the filler is between 2% and 40% by weight, and the polyethylene terephthalate is mixed with the filler in an environment with the temperature between 200°C and 350°C. The mixture is put into an extruder for extrusion to have a long member, and then the long member is cooled for solidification and is cut to make the window covering element. The element of the window covering has a well rigidity, heat resistant, and light fastness property, and most of all, it is recyclable.

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