PNEUMATIC VEHICLE TIRE

DRIVE September 21, 2023
Source
The invention relates to a pneumatic vehicle tire of radial construction having a tread (), a radial carcass, a belt bandage () having at least two belt plies () and having at least one belt bandage ply (), which is arranged radially outside the belt, wherein the belt bandage ply comprises cords of at least two multifilament yarns twisted together which are arranged parallel to one another inside the belt bandage ply () and wherein the multifilament yarns are made of recycled polyethylene terephthalate (rPET). At a force of 1.56 cN/dtex the rPET cord () has an elongation of 2% to 5% at 20° C. and an elongation of 6% to 9% at 120° C., the sum of the breaking elongation of the rPET cord () and the heat shrinkage determined at 180° C. at a preload force of 0.01 cN/dtex and a time of exposure of two minutes is greater than 17%, and the rPET cord () has a heat shrinkage determined at 180° C. at a preload force of 0.01 cN/dtex and a time of exposure of two minutes of greater than 2.5%.

Discussion in the ATmosphere

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