# US 2010/0160518 A1 · Controlled Nucleated Polymer Composition > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2010/0160518 A1 - Document ID: US20100160518A1 - Status: Published application - Kind: A1 - Application number: 12/225,360 - Filed: 2007-03-20 - Published: 2010-06-24 - Earliest claimed: 2006-03-21 - Assignees: Basell Poliolefine Italia S.r.l. - Inventors: Joseph P. Congdon; Jean-Francois Croteau - Web page: https://patentgrep.com/patent/US20100160518A1 ## CPC - C08K 5/0083: {Nucleating agents promoting the crystallisation of the polymer matrix} - C08L 23/10: Homopolymers or copolymers of propene - C08L 23/0815: {with aliphatic 1-olefins containing one carbon-to-carbon double bond} - C08L 23/16: Ethylene-propylene or ethylene-propylene-diene copolymers - C08K: Use of inorganic or non-macromolecular organic substances as compounding ingredients (paints, inks, varnishes, dyes, polishes, adhesives C09) - C08L: COMPOSITIONS OF MACROMOLECULAR COMPOUNDS (compositions based on polymerisable monomers C08F, C08G; artificial filaments or fibres D01F; textile treating compositions D06) ## Abstract The present subject matter relates generally to a controlled nucleated polymer composition comprising: (1) a polyolefin resin; (II) a nucleator; and (III) a nucleation regulator. ## Claims ### Claim at position 1 1-85. (canceled) ### Claim 86 A controlled nucleated polymer composition comprising: (I) a polyolefin resin; (II) a nucleator; and (III) a nucleation regulator. ### Claim 87 (depends on 86) The controlled nucleated polymer composition of claim 86, wherein said polyolefin resin comprises: (i) from about 65% to about 95% by weight of a propylene homopolymer, or a copolymer selected from the group consisting of (a) propylene and ethylene, (b) propylene, ethylene and a C4-C8 α-olefin, and (c) propylene and a C4-C8 α-olefin, the copolymer having a propylene content of more than 85,% by weight; and (ii) from about 5% to about 35% by weight of an elastomeric copolymer selected from the group consisting of (a) ethylene and propylene, (b) ethylene, propylene, and a C4-C8 α-olefin, and (c) ethylene and a C4-C8 α-olefin, the copolymer optionally containing about 0.5% to about 10% by weight of a diene. ### Claim 88 (depends on 87) The controlled nucleated polymer of claim 87, wherein said elastomeric copolymer is heterophasic and comprises ethylene and propylene. ### Claim 89 (depends on 87) The controlled nucleated polymer composition of claim 87, wherein said elastomeric copolymer comprises an intrinsic viscosity from about 1.6 dl/g to about 3.6 dl/g ### Claim 90 (depends on 86) The controlled nucleated polymer composition of claim 86, wherein said controlled nucleated polymer composition comprises a melt flow rate of about 0.1 to about 300 g/10 min. at 230° C. ### Claim 91 (depends on 86) The controlled nucleated polymer composition of claim 86, wherein said controlled nucleated polymer composition comprises a melt flow rate of about 40 to about 200 g/10 min. at 230° C. ### Claim 92 (depends on 86) The controlled nucleated polymer composition of claim 86, wherein said controlled nucleated polymer composition comprises a melt flow rate of about 80 to about 120 g/10 min. at 230° C. ### Claim 93 (depends on 86) The controlled nucleated polymer composition of claim 86, wherein said nucleator is selected from talc, silca, sodium benzoate, kaolin, aluminum tert-butylbenzoate, dibenzylidene sorbitol, metyldibenzylidene sorbitol, ethyldibenzylidene sorbitol, dimethyldibenzylidene sorbitol, sodium 2,2′-methylene-bis-(4,6,-di-tert-butylphenyl)phosphate, sodium 2,2′-ethylidene-bis(4,6-di-t-butylphenyl)phosphate, bis (p-methylbenzylidene)sorbitol, bis(3,4-dimethylbenzylidene)sorbitol, bis(p-ethylbenzylidene)sorbitol, aluminum hydroxybis[2,4,8,10-tetrakis(1,1-dimethylethyl)-6-hydroxy-12H-dibenzo[d,g][1,3,2]dioxaphoshocin 6-oxidato], and mixtures thereof. ### Claim 94 (depends on 86) The controlled nucleated polymer composition of claim 86, wherein said nucleator is sodium benzoate. ### Claim 95 (depends on 86) The controlled nucleated polymer composition of claim 86, wherein said controlled nucleated polymer composition comprises from about 100 ppm to about 2000 ppm of said nucleator. ### Claim 96 (depends on 86) The controlled nucleated polymer composition of claim 86, wherein said controlled nucleated polymer composition comprises from about 400 ppm too 1200 ppm of said nucleator. ### Claim 97 (depends on 86) The controlled nucleated polymer composition of claim 86, wherein said controlled nucleated polymer composition comprises about 800 ppm of said nucleator. ### Claim 98 (depends on 86) The controlled nucleated polymer composition of claim 86, wherein said nucleation regulator has formula (II): wherein R2 can be a C7-C20 straight or branched alkane, a C7-C20 straight or branched alkene, a C7-C20 straight or branched alkyne, a C7-C20 straight or branched alkanol, a C7-C20 straight or branched alkenol, a C7-C20 straight or branched alkynol, a C7-C20 straight or branched ester, or a C7-C20 straight or branched ether; and A+ can be an ion selected from calcium, sodium, zinc, aluminum, magnesium, potassium, and lithium. ### Claim 99 (depends on 86) The controlled nucleated polymer composition of claim 86, wherein said nucleation regulator has formula (III): wherein R3 can be a C7-C20 straight or branched alkane, a C7-C20 straight or branched alkene, a C7-C20 straight or branched alkyne, a C7-C20 straight or branched alkanol, a C7-C20 straight or branched alkenol, a C7-C20 straight or branched alkynol, a C7-C20 straight or branched ester, a C7-C20 straight or branched ether, and combinations thereof; and A2+ can be an ion selected from calcium, sodium, zinc, aluminum, magnesium, potassium, and lithium. ### Claim 100 (depends on 86) The controlled nucleated polymer composition of claim 86, wherein said nucleation regulator is an ionic stearate salt. ### Claim 101 (depends on 86) The controlled nucleated polymer composition of claim 86, wherein said nucleation regulator is selected from calcium stearate, sodium stearate, zinc stearate, aluminum stearate, magnesium stearate, potassium stearate, and lithium stearate. ### Claim 102 (depends on 86) The controlled nucleated polymer composition of claim 86, wherein said controlled nucleated polymer composition comprises from about 100 ppm to about 10,000 ppm of said nucleation regulator. ### Claim 103 (depends on 86) The controlled nucleated polymer composition of claim 86, wherein said controlled nucleated polymer composition comprises from about 500 ppm to about 4,000 ppm of said nucleation regulator. ### Claim 104 A controlled nucleated polymer comprising: (I) a polyolefin resin comprising: (i) from about 65% to about 95% by weight of a propylene homopolymer, or a copolymer selected from the group consisting of (a) propylene and ethylene, (b) propylene, ethylene and a C4-C8 α-olefin, and (c) propylene and a C4-C8 α-olefin, the copolymer having a propylene content of more than 85% by weight; and (ii) from about 5% to about 35% by weight of an elastomeric copolymer selected from the group consisting of (a) ethylene and propylene, (b) ethylene, propylene, and a C4-C8 α-olefin, and (c) ethylene and a C4-C8 α-olefin, the copolymer optionally containing about 0.5% to about 10% by weight of a diene; (II) sodium benzoate; and (III) an ionic stearate salt. ### Claim 105 (depends on 104) The controlled nucleated polymer composition of claim 104, wherein said elastomeric copolymer comprising an intrinsic viscosity from about 1.6 dl/g to about 3.6 dl/g. ### Claim 106 (depends on 104) The controlled nucleated polymer composition of claim 104, wherein said elastomeric copolymer comprises an intrinsic viscosity from about 2.0 dl/g to about 3.4 dl/g. ### Claim 107 (depends on 104) The controlled nucleated polymer composition of claim 104, wherein said ionic stearate salt is selected from calcium stearate, sodium stearate, zinc stearate, aluminum stearate, magnesium stearate, potassium stearate, and lithium stearate. ### Claim 108 (depends on 104) The controlled nucleated polymer composition of claim 104, wherein said ionic stearate salt is calcium stearate. ### Claim 109 (depends on 104) The controlled nucleated polymer composition of claim 104, wherein said controlled nucleated polymer composition comprises from about 100 ppm to about 10,000 ppm of said ionic stearate salt. ### Claim 110 (depends on 104) The controlled nucleated polymer composition of claim 104, wherein said controlled nucleated polymer composition comprises from about 500 ppm to about 4,000 ppm of said ionic stearate salt. ### Claim 111 (depends on 104) The controlled nucleated polymer composition of claim 104, wherein said controlled nucleated polymer composition comprises about 2,000 ppm of said ionic stearate salt. ### Claim 112 A controlled nucleated polymer composition consisting essentially of: (I) a polyolefin resin comprising: (i) from about 65% to about 95% by weight of a propylene homopolymer, or a copolymer selected from the group consisting of (a) propylene and ethylene, (b) propylene, ethylene and a C4-C8 α-olefin, and (c) propylene and a C4-C8 α-olefin, the copolymer having a propylene content of more than 85% by weight; and (ii) from about 5% to about 35% by weight of an elastomeric copolymer selected from the group consisting of (a) ethylene and propylene, (b) ethylene, propylene, and a C4-C8 α-olefin, and (c) ethylene and a C4-C8 α-olefin, the copolymer optionally containing about 0.5% to about 10% by weight of a diene; (II) about 800 ppm of sodium benzoate; and (III) about 2000 ppm of calcium stearate. ### Claim 113 An injection molded part comprising a controlled nucleated polymer composition comprising: (I) a polyolefin resin; (II) a nucleator; and (III) a nucleation regulator. ### Claim 114 A process for producing an injection molded part comprising molding a controlled nucleated polymer composition comprising: (I) a polyolefin resin; (II) a nucleator; and (III) a nucleation regulator, wherein said process comprises a reduced cycle time. ### Claim 115 (depends on 114) The process of claim 114, wherein said injection molded part is a thin walled article. ### Claim 116 (depends on 114) The process of claim 114, wherein said thin walled article has a thickness of about 0.2 mm to about 0.8 mm. ### Claim 117 (depends on 114) The process of claim 114, wherein said thin walled article has a flow length to wall thickness ratio greater than 200.