Abstract:
Provided is a process to form a crosslinked composition, the process comprising applying heat, and optionally radiation, to a composition that comprises at least the following components a) and b) : a) an olefin-based polymer that comprises a total unsaturation ≥ 0.20 /1000C; b) at least one peroxide selected from at least one of the following: i) a peroxide comprising at least one peroxy group comprising an oxyl radical unit of Radical I, ii) a peroxide comprising at least one peroxy group comprising an oxyl radical unit of Radical II, iii) a peroxide comprising at least one peroxy group comprising an oxyl radical unit of Radical III, iv) a peroxide comprising at least one peroxy group comprising an oxyl radical unit of Radical IV, or v) any combination of i) through iv); and wherein Radical I, Radical II, Radical III or Radical IV are each described herein.
Abstract:
A process to form a rheology modified composition, the process comprising applying radiation, and optionally heat, to a composition that comprises at least the following component: a) an olefin-based polymer comprising a total unsaturation ≥ 0.20 /1000C; and wherein the radiation is applied using an electron beam (e-beam) at a dosage selected from 0.1 MRad to 1.5 MRad; and wherein component a is selected from a telechelic polyolefin of the formula A1L1L2A2, an unsaturated polyolefin of the formula A1L1, or an ethylene/alpha-olefin interpolymer. A process to form a rheology modified composition, the process comprising applying heat, and optionally radiation, to a composition that comprises at least the following components: a) an olefin-based polymer, as described above, comprising a total unsaturation ≥ 0.20 /1000C; b) from 1.0 to 100 ppm of a peroxide, based on the weight of the composition.
Abstract:
Embodiments relate to compositions comprising: (a) from 60 wt% to 90 wt% of a propylene polymer base that has a melt flow rate from 2 g/10 min to 100 g/10 min according to ASTM D1238 (230 °C/2.16 kg); (b) from 2 wt% to 39.5 wt% of an olefin block copolymer; and (c) from 0.5 wt% to 20 wt% of a composite component comprising a crystalline block composite or a block composite. In certain embodiments, the composition may further comprise: (d) from 1 wt% to 30 wt% a polyolefin copolymer, the polyolefin copolymer being derived from ethylene and at least one of a C3 to C10 alpha-olefin, having a melt index from 100 g/10 min to 2000 g/10 min according to ASTM D1238 (190 °C/2.16 kg), and having a density from 0.860 g/cc to 0.900 g/cc. In further embodiments, the composition may further comprise: (e) from 0.1 wt% to 5 wt% of an antioxidant.
Abstract:
A modifier for forming sub-ambient temperature use containers includes (a) from 10 wt% to 50 wt% of a block composite, a specified block composite, or a crystalline block composite, (b) from 20 wt% to 90 wt% of a first polyolefin copolymer, the first polyolefin copolymer being derived from ethylene and at least one of a C 3 to C 10 alpha-olefin, having a melt index from 0.5 g/10 min to 1500 g/10 min, and having a density from 0.850 g/cm 3 to 0.910 g/cm 3 , and (c) optionally, from 30 wt% to 70 wt% of a second polyolefin copolymer, the second polyolefin copolymer being derived from ethylene and at least one of a C 3 to C 10 alpha-olefin, having a melt index from 100 g/10 min to 2000 g/10 min, and having a density from 0.860 g/cm 3 to 0.900 g/cm 3 .
Abstract translation:用于形成低于室温的使用容器的改性剂包括(a)10重量%至50重量%的嵌段复合材料,特定的嵌段复合材料或结晶嵌段复合材料,(b)来自 20重量%至90重量%的第一聚烯烃共聚物,所述第一聚烯烃共聚物衍生自乙烯和至少一种C 3至C 10α-烯烃, 具有0.5g / 10min至1500g / 10min的熔体指数,并具有0.850g / cm 3至0.910g / cm 3的密度,和( c)任选地,30重量%至70重量%的第二聚烯烃共聚物,所述第二聚烯烃共聚物衍生自乙烯和C 3至C 10至少一个 其具有100g / 10min至2000g / 10min的熔体指数并且具有0.860g / cm 3至0.900g / cm 3的密度的α-烯烃, SUP> p>
Abstract:
A modifier for forming sub-ambient temperature use containers includes (a) from 10 wt% to 50 wt% of a block composite, a specified block composite, or a crystalline block composite, (b) from 20 wt% to 90 wt% of a first polyolefin copolymer, the first polyolefin copolymer being derived from ethylene and at least one of a C 3 to C 10 alpha-olefin, having a melt index from 0.5 g/10 min to 1500 g/10 min, and having a density from 0.850 g/cm 3 to 0.910 g/cm 3 , and (c) optionally, from 30 wt% to 60 wt% of a second polyolefin copolymer, the second polyolefin copolymer being derived from ethylene and at least one of a C 3 to C 10 alpha-olefin, having a melt index from 100 g/10 min to 2000 g/10 min, and having a density from 0.860 g/cm3 to 0.900 g/cm 3 .
Abstract translation:用于形成低于室温的使用容器的改性剂包括(a)10重量%至50重量%的嵌段复合材料,特定的嵌段复合材料或结晶嵌段复合材料,(b)来自 20重量%至90重量%的第一聚烯烃共聚物,所述第一聚烯烃共聚物衍生自乙烯和至少一种C 3至C 10α-烯烃, 具有0.5g / 10min至1500g / 10min的熔体指数,并具有0.850g / cm 3至0.910g / cm 3的密度,和( c)任选地,30重量%至60重量%的第二聚烯烃共聚物,所述第二聚烯烃共聚物衍生自乙烯以及C 3至C 10至少一种 ,其具有100g / 10min至2000g / 10min的熔体指数,并具有0.860g / cm 3至0.900g / cm 3的密度。
Abstract:
A thermoplastic vulcanizate composition includes (A) greater than 15 wt% of a block composite that has (i) an ethylene/alpha-olefin/diene interpolymer in which the alpha-olefin is an alpha olefin monomer having from 3 to 10 carbon atoms and the diene is a diene monomer having from 2 to 25 carbon atoms, (ii) a propylene based polymer, and (iii) a block copolymer comprising a soft block and a hard block in which the soft block has the same composition as the ethylene/alpha-olefin/diene polymer and the hard block has the same composition as the propylene based polymer; and (B) a remainder of a curative system and optionally at least one of a vulcanizable elastomer, a thermoplastic polyolefin, and an oil.
Abstract:
Disclosed are multilayer structures comprising a polyolefin layer, a tie layer and a barrier layer wherein the tie layer is a formulation comprising a crystalline block copolymer composite (CBC) comprising i) an ethylene polymer (EP) comprising at least 90 mol % polymerized ethylene; ii) an alpha-olefin-based crystalline polymer (CAOP) and iii) a block copolymer comprising (a) an ethylene polymer block comprising at least 90 mol % polymerized ethylene and (b) a crystalline alpha-olefin block (CAOB).
Abstract:
A process to form a crosslinked composition, the process comprising thermally treating a composition that comprises the following components: a) at least one olefin/silane interpolymer comprising at least one Si-H group, b) at least one peroxide, and c) optionally, at least one crosslinking coagent. A composition that comprises the following components: a) at least one olefin/silane interpolymer comprising at least one Si-H group, b) at least one peroxide, and c) optionally, at least one crosslinking coagent.
Abstract:
A composition comprising an ethylene/C5-C10 alpha-olefin/non-conjugated polyene interpolymer, wherein the interpolymer meets the following relationship: Tg (°C) ≤ [0.625(°C/wt%)XC - 55°C], where Tg is the glass transition temperature of the interpolymer, and XC is the wt% crystallinity of the interpolymer.