公开(公告)号：US10882287B2

公开(公告)日：2021-01-05

申请号：US16613635

申请日：2018-05-03

Applicant: BASELL POLIOLEFINE ITALIA S.R.L.

Inventor： Gianni Perdomi ,  Monica Galvan ,  Claudio Cavalieri

IPC: B32B27/08 ,  B32B27/32 ,  C08L23/16

Abstract: A multilayer film made from or containing at least one layer made from or containing a polyolefin composition made from or containing: A) 5-35% by weight, based upon the total weight of the polyolefin composition, of a propylene homopolymer or a propylene ethylene copolymer; B) 25-50% by weight, based upon the total weight of the polyolefin composition, of a copolymer of ethylene and a C3-C8 alpha-olefin containing 0.1-20% by weight of C3-C8 alpha-olefin units; and C) 30-60% by weight, based upon the total weight of the polyolefin composition, of a copolymer of ethylene and propylene containing 25-75% by weight of ethylene units.

公开(公告)号：US20250051973A1

公开(公告)日：2025-02-13

申请号：US18717910

申请日：2022-12-05

Applicant: Basell Poliolefine Italia S.r.l.

Inventor： Roberta Marchini ,  Gianni Perdomi ,  Gianluca Musacchi ,  Fabio Di Pietro

IPC: D01F8/06 ,  C08L23/12 ,  C08L23/20

Abstract: A stretched polyolefin filament, having elongation at break EB of equal to or higher than 80% and a ratio SR/EB, where SR is the stretching ratio, of equal to or lower than 45, made from or containing: a polyolefin composition (I), made from or containing A) from 40% to 78% by weight of a propylene polymer; B) from 22% to 60% by weight of a butene-1 polymer having: 1) a flexural modulus value from 100 to 800 MPa; 2) a ratio MI10/MI2 of from 20 to 40; and 3) a content of fraction soluble in xylene at 0° C. of 15% by weight or lower; wherein the amounts of A) and B) are referred to the total weight of A)+B).

公开(公告)号：US20250043464A1

公开(公告)日：2025-02-06

申请号：US18717886

申请日：2022-12-05

Applicant: Basell Poliolefine Italia S.r.l.

Inventor： Roberta Marchini ,  Gianni Perdomi ,  Gianluca Musacchi ,  Fabio Di Pietro

IPC: D01F6/06 ,  C08L23/12

Abstract: A stretched polyolefin filament, having elongation at break EB of equal to or higher than 90% and a ratio SR/EB, where SR is the stretching ratio, of equal to or lower than 75, made from or containing: a polyolefin composition (I), made from or containing A) from 80% to 95% by weight of a propylene polymer; B) from 5% to 20% by weight of a butene-1 polymer having: 1) a flexural modulus value from 100 to 800 MPa; 2) a ratio MI10/MI2 of from 20 to 40; and 3) a content of fraction soluble in xylene at 0° C. of 15% by weight or lower; wherein the amounts of A) and B) are referred to the total weight of A)+B).

公开(公告)号：US10654999B2

公开(公告)日：2020-05-19

申请号：US16300634

申请日：2017-05-09

Applicant: BASELL POLIOLEFINE ITALIA S.R.L.

Inventor： Monica Galvan ,  Gianni Perdomi ,  Claudio Cavalieri

IPC: C08L23/16 ,  C08L23/08 ,  C08L23/12 ,  C08L23/10

Abstract: The disclosure provides a film made from or containing a polyolefin composition made from or containing A) 5-35% by weight, based upon the total weight of the polyolefin composition, of a propylene homopolymer or a propylene ethylene copolymer; B) 25-50% by weight, based upon the total weight of the polyolefin composition, of a copolymer of ethylene and a C3-C8 alpha-olefin containing from 0.1% to 20% by weight of alpha-olefin units; and C) 30-60% by weight, based upon the total weight of the polyolefin composition, of a copolymer of ethylene and propylene containing from 25% to 75% by weight of ethylene units.

公开(公告)号：US10661540B2

公开(公告)日：2020-05-26

申请号：US16301799

申请日：2017-05-09

Applicant: BASELL POLIOLEFINE ITALIA S.R.L.

Inventor： Monica Galvan ,  Gianni Perdomi ,  Claudio Cavalieri

IPC: B32B27/08 ,  B32B27/30 ,  B32B27/32 ,  B65B9/13

Abstract: The disclosure provides a multilayer blown film for stretch hood made from or containing a layer made from or containing a first polyolefin composition made from or containing from 20 wt % to 80 wt %, based upon the total weight of the first polyolefin composition, of Component A) and from 20 wt % to 80 wt %, based upon the total weight of the first polyolefin composition, of Component B); wherein Component A) is an ethylene copolymer and Component B) is a polyolefin composition made from or containing: (i) 5-35% by weight, based upon the total weight of Component B, of a propylene homopolymer or a propylene ethylene copolymer (ii) 20-50% by weight, based upon the total weight of Component B, of a copolymer of ethylene and a C3-C8 alpha-olefin; and (iii) 30-60% by weight, based upon the total weight of Component B, of a copolymer of ethylene and propylene.