Plasticized polyolefin compositions

A plasticized polyolefin composition comprising:

• (I) 1 to 60 wt % (based upon the weight of the NFP and the ICP) of one or more non-functionalized plasticizers (“NFP”) where the NFP comprises C20 to C1500 paraffins having a kinematic viscosity at 100° C. of 10 cSt or more, a specific gravity of 0.700 to 0.860, a viscosity index of 120 or more, and a pour point of less than −10° C.;
• and
• (II) 40 to 99 wt % (based upon the weight of the NFP and the ICP) of a propylene impact copolymer (“ICP”), said ICP comprising (A) 40 to 95 wt % propylene homopolymer or copolymer (based upon the total weight of the ICP) where said copolymer comprises 10 wt % or less of ethylene, butene, hexene or octene comonomer, and (B) from 5 to 60 wt % (based upon the total weight of the ICP) of a propylene copolymer comprising from 5 to 70 wt % of ethylene, butene, hexene and/or octene comonomer and 30 to 95 wt % propylene.

A process to produce a plasticized impact copolymer comprising combining 1 to 60 weight % (based upon the weight of the NFP and the ICP) of a NFP with 40 to 99 weight % of an ICP, wherein the non-functionalized plasticizer comprises C20 to C1500 paraffins having a Kinematic viscosity of 10 cSt or more at 100° C., a specific gravity of 0.700 to 0.860, and a viscosity index of 120 or more, and where the ICP was prepared in a sequential polymerization process wherein a homopolymer produced in a first reactor is transferred to a second reactor where a copolymer is produced and incorporated within the matrix of the homopolymer component.

A process to produce a plasticized impact copolymer comprising preparing a propylene impact copolymer in a sequential polymerization process wherein a propylene homopolymer produced in a first reactor is transferred to a second reactor where a propylene copolymer is produced and incorporated within the matrix of the homopolymer component and thereafter combining 40 to 99 weight % of said impact copolymer with 1 to 60 weight % (based upon the weight of the NFP and the ICP) of a non-functionalized plasticizer (NFP) wherein the non-functionalized plasticizer comprises C20 to C1500 paraffins having a Kinematic viscosity of 10 cSt or more at 100° C., a specific gravity of 0.700 to 0.860, and a viscosity index of 120 or more.

A composition comprising from

• (I) 1 to 60 wt % (based upon the weight of the NFP and the ICP) of one or more non-functionalized plasticizers (“NFP”) where the NFP comprises C20 to C1500 paraffins having a kinematic viscosity at 100° C. of 10 cSt or more, a specific gravity of 0.700 to 0.860, a viscosity index of 120 or more, and a pour point of less than −10° C;
• and
• (II) 40 to 99 wt % (based upon the weight of the NFP and the ICP) of a propylene impact copolymer (“ICP”) comprising (A) 40 to 95 wt % propylene homopolymer or copolymer (based upon the total weight of the ICP) where said copolymer comprises 10 wt % or less of ethylene, butene, hexene or octene comonomer, and (B) from 5 to 60 wt % (based upon the total weight of the ICP) of (1) ethylene-propylene copolymers, (2) ethylene-propylene-diene terpolymers, (3) ethylene-acrylate copolymers, (4) ethylene-vinyl acetate, (5) styrene-butadiene copolymers, (6) ethylene-acrylic ester copolymers, (7) polybutadiene, (8) polyisoprene, (9) natural rubber, (10) isobutylene, or (11) mixtures of (2) to (10).

A composition comprising from

• (I) 1 to 60 weight % (based upon the weight of the NFP and the ICP) of one of more non-functionalized plasticizers (“NFP”) where the non-functionalized plasticizer comprises a C20 to C1500 paraffm having a Kv100 of 10 cSt or more, a viscosity index of 120 or more, a specific gravity of 0.700 to 0.860, and a pour point of less than −10° C., and
• (II) 40 to 99 weight % (based upon the weight of the NFP and the ICP) of a propylene impact copolymer (“ICP”) comprising (A) 40 to 95 weight % propylene homopolymer or copolymer (based upon the total weight of the ICP) and (B) from 5 to 60 weight % (based upon the total weight of the ICP) of an ethylene /butene, hexene or octene copolymer.

The composition of claim 8 lwhere the NFP comprises a linear or branched paraffinic hydrocarbon composition having an Mn of 500 to 21,000 g/mol, less than 10 wt % sidechains having 4 or more carbons, at least 20 wt % sidechains having 1 or 2 carbons, and less than 2 wt % cyclic paraffins.

A composition comprising from

• (I) 1 to 60 weight % (based upon the weight of the NFP and the ICP) of one of more non-functionalized plasticizers (“NFP”) where the non-functionalized plasticizer comprises a C20 to C1500 paraffin having a Kv 100 of 10 cSt or more, a viscosity index of 120 or more, a specific gravity of 0.700 to 0.860, and a pour point of less than −10° C., and
• (II) 40 to 99 weight % (based upon the weight of the NFP and the ICP) of a propylene impact copolymer (“ICP”) comprising (A) 40 to 95 weight % propylene homopolymer or copolymer (based upon the total weight of the ICP) and (B) from 5 to 60 weight % (based upon the total weight of the ICP) of polyolefin copolymers having a density of 0.85 to 0.915 g/cc and a melt index of between 0.10 and 30 dg/min.

The composition of claim 1 10 where the NFP comprises oligomers of C5 to C14 alpha-olefins.

A composition comprising from

• (I) 1 to 60 weight % (based upon the weight of the NFP and the ICP) of one of more non-functionalized plasticizers (“NFP”) where the non-functionalized plasticizer comprises a C20 to C1500 paraffin having a Kv100 of 10 cSt or more, a viscosity index of 120 or more, a pour point of less than −10° C., and a specific gravity of 0.700 to 0.860, and
• (II) 40 to 99 weight % (based upon the weight of the NFP and the ICP) of a propylene impact copolymer (“ICP”) comprising (A) 40 to 95 weight % propylene homopolymer or copolymer (based upon the total weight of the ICP) and (B) from 5 to 60 weight % (based upon the total weight of the ICP) of copolymer of ethylene and 2 to 35 wt % of C3 to C10 alpha-olefin having density of less than 0.915 g/cc.

A composition comprising one or more non-functionalized plasticizers (“NFP”) where the non-functionalized plasticizer comprises a C20 to C1500 paraffin having a Kv100 of 10 cSt or more, a viscosity index of 120 or more, a pour point of less than −10° C., and a specific gravity of 0.700 to 0.860, an impact copolymer (ICP) and a plastomer.

A process to produce a plasticized impact copolymer comprising combining 1 to 60 weight % (based upon the weight of the NFP and the ICP) of a non-functionalized plasticizer with 40 to 99 weight % of an impact copolymer, wherein the non-functionalized plasticizer comprises C20 to C1500 paraffins having a Kinematic viscosity of 10 cSt or more at 100° C., a specific gravity of 0.700 to 0.860, and a viscosity index of 120 or more, and where the ICP was prepared in a sequential polymerization process wherein a homopolymer is produced in a first reactor and is then transferred to a second reactor where a copolymer is produced and incorporated within the matrix of the homopolymer component.

A process to produce a plasticized impact copolymer comprising preparing a propylene impact copolymer in a sequential polymerization process wherein a propylene homopolymer is produced in a first reactor and is then transferred to a second reactor where a propylene copolymer is produced and incorporated within the matrix of the homopolymer component and thereafter combining 40 to 99 weight % of said impact copolymer with 1 to 60 weight % (based upon the weight of the NFP and the ICP) of a non-functionalized plasticizer (NFP) wherein the non-functionalized plasticizer comprises C20 to C1500 paraffins having a Kinematic viscosity of 10 cSt or more at 100° C., a specific gravity of 0.700 to 0.860, and a viscosity index of 120 or more.