Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Bill Fajardo0
Ann Watson0
Jingbo Wang0
Markus Gahleitner0
Ted Gormanos0
Fredrik Bergfors0
Hermann Braun0
Date of Patent
April 23, 2019
0Patent Application Number
157416610
Date Filed
July 7, 2016
0Patent Citations Received
Patent Primary Examiner
Patent abstract
The invention relates to a tube comprising a heterophasic polypropylene composition comprising a heterophasic polypropylene copolymer with an antioxidant comprising a sterically hindered phenol. The heterophasic polypropylene copolymer has the relative amount of crystal line polypropylene above 20 wt %. the relative amount of xylene cold solubles (XCS) fraction is at least 10 wt % and the relative content of isolated ethylene sequences (I(E)) of the XCS fulfills the equation: I(E)<78−1.97×C+0.015×(C)2 wherein C is the comonomer content [wt %] of the XCS fraction and wherein the I(E) content is defined by equation I(E) wherein I(E) is the relative content of isolated to block ethylene sequences.
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