Rohr aus Heterophasischer Polypropylenzusammensetzung

Details

Veröffentlichungs-Nr.

EP3115411

Aktenzeichen

EP15175780

Anmeldetag

8. Juli 2015

Veröffentlichung

18. Dezember 2019

Erteilung

18. Dezember 2019

Rechtsraum

EP

IPC

C08L23/12G02B6/44

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 crystalline polypropylene above 20wt%. 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 - 1.97xC + 0.015x(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 = fPEP fEEE + f PEE + fPEP × 100 wherein I(E) is the relative content of isolated to block ethylene sequences.

Anmelder

Firma

Borealis AG

Land

🇦🇹 Österreich

Fachgebiete