公开(公告)号：EP3074477B1

公开(公告)日：2017-06-28

申请号：EP14795574.4

申请日：2014-10-27

Applicant: Basell Poliolefine Italia S.r.l.

Inventor： SPATARO, Stefano ,  PELLEGATTI, Giampaolo ,  MARCHINI, Roberta ,  PASQUALI, Stefano

IPC: C09J123/18 ,  C09J123/20 ,  C08L23/20

CPC classification number: C09J123/20 ,  C08L23/20 ,  C09J123/18

公开(公告)号：EP4153669A1

公开(公告)日：2023-03-29

申请号：EP21726112.2

申请日：2021-05-18

Applicant: Basell Poliolefine Italia S.r.l.

Inventor： MARCHINI, Roberta ,  MUSACCHI, Gianluca ,  PASQUALI, Stefano

IPC: C08K3/016 ,  C08L23/20

公开(公告)号：EP3302918B1

公开(公告)日：2019-05-22

申请号：EP16725494.5

申请日：2016-05-24

Applicant: Basell Poliolefine Italia S.r.l.

Inventor： MARCHINI, Roberta ,  SPATARO, Stefano ,  PASQUALI, Stefano ,  MUSACCHI, Gianluca

IPC: B29C47/00 ,  B65D53/06 ,  C08L23/14 ,  C08L23/20 ,  B29C47/08 ,  B29C47/30

公开(公告)号：EP3433317A1

公开(公告)日：2019-01-30

申请号：EP17711693.6

申请日：2017-03-23

Applicant: Basell Poliolefine Italia S.r.l.

Inventor： MARCHINI, Roberta ,  SPATARO, Stefano ,  PASQUALI, Stefano ,  MUSACCHI, Gianluca

IPC: C08L23/20 ,  C08L23/14 ,  C08L23/06 ,  B65D53/06 ,  C09K3/10

Abstract: A polyolefin composition, particularly suited for preparing gaskets for closures, comprising: A) from 60 to 89% by weight of a copolymer of butene-1 with ethylene having a copolymerized ethylene content of up to 18% by mole and no melting peak detectable at the DSC at the second heating scan; B) from 11 to 40% by weight of an ethylene polymer having density of from 0.900 to 0.970 g/cm3, measured according to ISO 1183 at 23°C; wherein the amounts of A) and B) are referred to the total weight of A) + B).

公开(公告)号：EP2480597A1

公开(公告)日：2012-08-01

申请号：EP10755138.4

申请日：2010-09-15

Applicant: Basell Poliolefine Italia S.r.l.

Inventor： PASQUALI, Stefano ,  MUSACCHI, Gianluca ,  BECCARINI, Enrico ,  ROUCOURT, Inge, Elisabeth

IPC: C08J5/18 ,  C08L23/10 ,  C08L23/12 ,  B32B27/32

CPC classification number: C08L23/10 ,  B32B25/042 ,  B32B25/08 ,  B32B27/08 ,  B32B27/18 ,  B32B27/20 ,  B32B27/302 ,  B32B27/304 ,  B32B27/32 ,  B32B27/34 ,  B32B27/36 ,  B32B27/365 ,  B32B2250/24 ,  B32B2250/40 ,  B32B2270/00 ,  B32B2307/30 ,  B32B2307/31 ,  B32B2307/40 ,  B32B2307/406 ,  B32B2307/50 ,  B32B2307/536 ,  B32B2307/54 ,  B32B2307/546 ,  B32B2307/5825 ,  B32B2307/72 ,  B32B2419/00 ,  B32B2437/00 ,  B32B2439/70 ,  B32B2535/00 ,  B32B2553/00 ,  B32B2597/00 ,  C08J5/18 ,  C08J2323/10 ,  C08J2323/12 ,  C08L23/0815 ,  C08L23/12 ,  C08L23/20 ,  C08L2203/16 ,  Y10T428/139 ,  C08L2666/06 ,  C08L2666/02

Abstract: Film or sheet comprising at least one layer of a polyolefin composition consisting, in percentage by weight referred to the sum of component (a1) and (a2) and (b), of: a1) 42-88 wt% of a propylene homopolymer or copolymer of propylene with ethylene and /or one or more C
4 -C
10 α-olefin(s), the said homopolymer or copolymer having a solubility in xylene at room temperature (XSm) equal to or less than 10 wt%; a2) 7-39 wt% of a copolymer of ethylene with propylene and /or one or more C
4 - C
10 α-olefin(s) containing 50-80 wt% of ethylene derived units and having a solubility in xylene at room temperature of 50-80 wt%; and (b) 0.5-30 wt%, of a butene-1 (co)polymer having: - a content of butene-1 derived units of 75 wt% or more, - a flexural modulus (MEF) of 70 MPa or less.