公开(公告)号：CA2448581A1

公开(公告)日：2003-09-18

申请号：CA2448581

申请日：2003-03-06

Applicant: BASELL POLIOLEFINE SPA

Inventor： BUTALA ROBERT G ,  ENNIS GERALD JOHN ,  GOBERTI PAOLO ,  HAN CHOONG Y ,  GLOGOVSKY TODD

IPC: C08L23/14 ,  C08F4/654 ,  C08L23/08 ,  C08L23/10 ,  C08L23/16 ,  C08L23/04

Abstract: A polyolefin composition suitable for preparing single ply roofing membranes , comprising: (A) from about 15 to 40% by weight of a crystalline copolymer of propylene with at least one alpha-olefin of formula H2C=CHR1, where R1 is H or a C2-8 linear or branched alkyl, containing at least about 90% by weight of propylene, having solubility in xylene at room temperature lower than about 15% by weight; (B) from about 60 to about 85% by weight of an elastomeric fraction comprising: (1) a copolymer of propylene with ethylene containing about 20 to about 35% by weight ethylene, and having solubility in xylene at room temperature greater than about 70% by weight, the intrinsic viscosity o f the xylene soluble fraction being higher than about 3.0dl/g; and (2) a copolymer of ethylene with at least one alpha-olefin of formula H2C=CHR2, where R2 is a C2-8 linear or branched alkyl, containing about 15% to 40% by weight alpha-olefin, and having solubility in xylene at room temperature greater than about 25% by weight, the intrinsic viscosity of the xylene soluble fraction ranging from about 0.5 to about 5.0dl/g; the (1) (2) weight ratio ranging from about 1:5 to about 5:1. The polyolefin composition of the invention, preferably prepared by sequential polymerization in at least thre e stages, has tensile strength at break >= 25 Mpa, elongation at break > = 700 Mpa and toughness >= 150 Mpa.

公开(公告)号：AR043814A1

公开(公告)日：2005-08-17

申请号：ARP040101091

申请日：2004-04-01

Applicant: BASELL POLIOLEFINE SPA

Inventor： PELLICONI ANTEO ,  GARAGNANI ENEA ,  ENNIS GERALD JOHN

IPC: C08F110/06 ,  C08F210/06 ,  C08L23/08 ,  C08L23/10 ,  C08L23/12 ,  C08L23/14 ,  C08L23/16

Abstract: Una composición de mezcla madre que comprende (porcentaje del peso): A) entre 50% y 90% de un componente de polipropileno cristalino que comprende: AI) entre 25% y 75% de una fracción que tiene un índice de fluidez MFR1 que oscila entre 0,1 y 10g/10min; y AII) entre 75% y 25% de una fracción que tiene un índice de fluidez MFR2 igual o inferior a 100 g/10min; donde la relación MFR1/MFR2 oscila entre 5 y 60; y B) entre 10% y 50% de un componente de copolímero de etileno y al menos una alfa-olefina C3-10, que contiene entre 1s5% y 50% de etileno; dicha composición de mezcla madre que tiene un valor de viscosidad intrínseca [h] de la fracción soluble en xileno a temperatura ambiente igual o superior a 3,5 dl/g, se agrega a los materiales de poliolefinas para obtener composiciones finales adecuadas para el moldeado por inyección.

公开(公告)号：AU2003207898A1

公开(公告)日：2003-09-22

申请号：AU2003207898

申请日：2003-03-06

Applicant: BASELL POLIOLEFINE SPA

Inventor： BUTALA ROBERT G ,  HAN CHOONG Y ,  ENNIS GERALD JOHN ,  GOBERTI PAOLO ,  GLOGOVSKY TODD

IPC: C08L23/14 ,  C08F4/654 ,  C08L23/08 ,  C08L23/10 ,  C08L23/16 ,  C08L23/04

Abstract: A polyolefin composition suitable for preparing single ply roofing membranes, comprising: (A) from about 15 to about 40% by weight of a crystalline copolymer of propylene with at least one alpha-olefin of formula H2C=CHR , where R is H or a C2-8 linear or branched alkyl, containing at least about 90% by weight of propylene, having solubility in xylene at room temperature lower than about 15% by weight; (B) from about 60 to about 85% by weight of an elastomeric fraction comprising: (1) a copolymer of propylene with ethylene containing about 20 to about 35% by weight ethylene, and having solubility in xylene at room temperature greater than about 70% by weight, the intrinsic viscosity of the xylene soluble fraction being higher than about 3.0 dl/g up to about 6.0 dl/g; and (2) a copolymer of ethylene with at least one alpha-olefin of formula H2C=CHR , where R is a C2-8 linear or branched alkyl, containing about 15% to 40% by weight alpha-olefin, and having solubility in xylene at room temperature greater than about 25% by weight, the intrinsic viscosity of the xylene soluble fraction ranging from about 0.5 to about 5.0 dl/g; the (1)/(2) weight ratio ranging from about 1:5 to about 5:1. The polyolefin composition of the invention, preferably prepared by sequential polymerization in at least three stages, has tensile strength at break >=25 MPa, elongation at break >=700 MPa and toughness >=150 MPa.

公开(公告)号：CA2448581C

公开(公告)日：2008-07-08

申请号：CA2448581

申请日：2003-03-06

Applicant: BASELL POLIOLEFINE SPA

Inventor： ENNIS GERALD JOHN ,  GOBERTI PAOLO ,  GLOGOVSKY TODD ,  HAN CHOONG Y ,  BUTALA ROBERT G

IPC: C08L23/14 ,  C08L23/16 ,  C08F4/654 ,  C08J5/18 ,  C08L23/08 ,  C08L23/10

Abstract: A polyolefin composition suitable for preparing single ply roofing membranes, comprising: (A) from about 15 to 40% by weight of a crystalline copolymer of propylene with at least one alpha-olefin of formula H2C=CHR1, where R1 is H or a C2-8 linear or branched alkyl, containing at least about 90% by weight of propylene, having solubility in xylene at room temperature lower than about 15% by weight; (B) from about 60 to about 85% by weight of an elastomeric fraction comprising: (1) a copolymer of propylene with ethylene containing about 20 to about 35% by weight ethylene, and having solubility in xylene at room temperature greater than about 70% by weight, the intrinsic viscosity of the xylene soluble fraction being higher than about 3.0dl/g; and (2) a copolymer of ethylene with at least one alpha-olefin of formula H2C=CHR2, where R2 is a C2-8 linear or branched alkyl, containing about 15% to 40% by weight alpha-olefin, and having solubility in xylene at room temperature greater than about 25% by weight, the intrinsic viscosity of the xylene soluble fraction ranging from about 0.5 to about 5.0dl/g; the (1) (2) weight ratio ranging from about 1:5 to about 5:1. The polyolefin composition of the invention, preferably prepared by sequential polymerization in at least three stages, has tensile strength at break >= 25 Mpa, elongation at break >= 700 Mpa and toughness >= 150 Mpa.

公开(公告)号：BR0303374A

公开(公告)日：2004-12-28

申请号：BR0303374

申请日：2003-03-06

Applicant: BASELL POLIOLEFINE SPA

Inventor： GLOGOVSKY TODD ,  BUTALA ROBERT G ,  HAN CHOONG Y ,  ENNIS GERALD JOHN ,  GOBERTI PAOLO

IPC: C08L23/14 ,  C08F4/654 ,  C08L23/08 ,  C08L23/10 ,  C08L23/16 ,  C08L23/04

Abstract: A polyolefin composition suitable for preparing single ply roofing membranes, comprising: (A) from about 15 to about 40% by weight of a crystalline copolymer of propylene with at least one alpha-olefin of formula H2C=CHR , where R is H or a C2-8 linear or branched alkyl, containing at least about 90% by weight of propylene, having solubility in xylene at room temperature lower than about 15% by weight; (B) from about 60 to about 85% by weight of an elastomeric fraction comprising: (1) a copolymer of propylene with ethylene containing about 20 to about 35% by weight ethylene, and having solubility in xylene at room temperature greater than about 70% by weight, the intrinsic viscosity of the xylene soluble fraction being higher than about 3.0 dl/g up to about 6.0 dl/g; and (2) a copolymer of ethylene with at least one alpha-olefin of formula H2C=CHR , where R is a C2-8 linear or branched alkyl, containing about 15% to 40% by weight alpha-olefin, and having solubility in xylene at room temperature greater than about 25% by weight, the intrinsic viscosity of the xylene soluble fraction ranging from about 0.5 to about 5.0 dl/g; the (1)/(2) weight ratio ranging from about 1:5 to about 5:1. The polyolefin composition of the invention, preferably prepared by sequential polymerization in at least three stages, has tensile strength at break >=25 MPa, elongation at break >=700 MPa and toughness >=150 MPa.