公开(公告)号：US20240360294A1

公开(公告)日：2024-10-31

申请号：US18684033

申请日：2022-09-02

Applicant: SABIC GLOBAL TECHNOLOGIES B.V.

Inventor： Jacques Sampers ,  Sarah van Mierloo

IPC: C08K5/053 ,  A61L2/08

CPC classification number: C08K5/053 ,  A61L2/081

Abstract: The invention relates to a polypropylene composition having improved radiation stability, comprising: a) a propylene polymer present in amount ≥94.0 wt. %; and b) aliphatic alcohol having at least two hydroxyl groups, wherein the aliphatic alcohol may be selected from the group consisting of (i) straight chain C5-C20 aliphatic diols, (ii) C4-C30 aliphatic cyclic alcohols, (iii) polycarbohydrates. and (iv) branched acyclic diols having at least one hydroxyl group attached to a tertiary carbon atom, and combinations thereof, and c) optionally, one or more further additives. The invention further relates to radiation sterilized articles comprising such polypropylene composition and the use of such polypropylene composition for improving radiation stability of articles that are subjected to radiation.