Thermoplastic polyolefin compositions with reactive compatibilization

Abstract

The present disclosure provides a composition. In one embodiment, the composition includes (A) a non-functionalized propylene-based polymer, (B) a functionalized propylene-based polymer, and (C) a functionalized ethylene-based polymer. The functionalized propylene-based polymer (B) and the functionalized ethylene-based polymer (C) each have a different functional group, the functional group being selected from the group consisting of maleic anhydride and an epoxide.

Description

[Technical Field]

[0001] Polyolefin elastomers (POE), including ethylene / α-olefin copolymers, are commonly used as impact modifiers for thermoplastic polyolefin (TPO) compounds. When blended with polypropylene, other additives, and optionally reinforcing fillers (such as talc), POE can be applied to provide a balance of stiffness, impact toughness, and flow properties to TPO.

[0002] The art recognizes a continuing need for blends that achieve greater impact efficiency and improved stiffness-toughness-flow balance in TPO compounds containing polypropylene. Further, the art recognizes a continuing need for TPO compounds with improved stiffness-toughness-flow balance. Summary of the Invention

[0003] The present disclosure provides a composition. In one embodiment, the composition includes (A) a non-functionalized propylene-based polymer, (B) a functionalized propylene-based polymer, and (C) a functionalized ethylene-based polymer. The functionalized propylene-based polymer (B) and the functionalized ethylene-based polymer (C) each have a different functional group, the functional group being selected from the group consisting of maleic anhydride and an epoxide.

[0004] definition Any reference to the Periodic Table of the Elements is to the Periodic Table of the Elements published by CRC Press, Inc., 1990-1991. References to element groups in this table are to the new notation for numbering groups.

[0005] For purposes of United States patent practice, the contents of any referenced patent, patent application, or publication are incorporated by reference in their entirety (or the equivalent United States version thereof is so incorporated by reference), particularly with respect to the disclosure of definitions (to the extent not inconsistent with any definitions specifically provided in this disclosure) and general knowledge in the art.

[0006] Numerical ranges disclosed herein include all values ​​between and including the lower and upper limits. Ranges containing explicit values ​​(e.g., 1 or 2, or 3-5, or 6, or 7) include all subranges between any two explicit values ​​(e.g., the 1-7 range above includes subranges such as 1-2, 2-6, 5-7, 3-7, 5-6, etc.).

[0007] Unless stated to the contrary, implicit from the context, or customary in the art, all parts and percentages are by weight and all test methods are current as of the filing date of this disclosure.

[0008] The term "composition" refers to a mixture of materials that comprise the composition, as well as reaction products and decomposition products formed from the materials of the composition.

[0009] The terms "comprising," "including," "having," and their derivatives are not intended to exclude the presence of any additional component, step, or procedure, whether or not it is specifically disclosed. For the avoidance of doubt, all compositions claimed through the use of the term "comprising" may include any additional additive, adjuvant, or compound, whether polymeric or not, unless stated to the contrary. In contrast, the term "consisting essentially of" excludes from the scope of any preceding description any other component, step, or procedure, excepting those that are not essential to operability. The term "consisting of" excludes any component, step, or procedure not specifically delineated or listed. The term "or" refers to the listed members individually and in any combination, unless otherwise stated. The use of the singular includes the plural, and vice versa.

[0010] An "ethylene-based polymer" or "ethylene polymer" is a polymer that contains a majority amount of polymerized ethylene, based on the weight of the polymer, and may optionally include at least one comonomer. Ethylene-based polymers typically contain at least 50 mole percent (mol%) of units derived from ethylene (based on the total amount of polymerizable monomers).

[0011] A "heteroatom" is an atom other than carbon or hydrogen. Heteroatoms can be non-carbon atoms from Groups IV, V, VI, and VII of the periodic table. Non-limiting examples of heteroatoms include F, Cl, N, O, P, B, S, and Si.

[0012] A "hydrocarbon" is a compound containing only hydrogen and carbon atoms. A "hydrocarbyl group" is a hydrocarbon having a valence (typically monovalent).

[0013] An "interpolymer" is a polymer prepared by the polymerization of at least two different types of monomers. Thus, the generic term interpolymer includes copolymers (used to refer to polymers prepared from two different types of monomers) and polymers prepared from three or more different types of monomers.

[0014] An "olefin-based polymer" or "polyolefin" is a polymer that contains a majority mole percent of polymerized olefin monomers (based on the total amount of polymerizable monomers) and may optionally contain at least one comonomer. Non-limiting examples of olefin-based polymers include ethylene-based polymers and propylene-based polymers. Representative polyolefins include polyethylene, polypropylene, polybutene, polyisoprene, and various interpolymers thereof.

[0015] A "polymer" is a polymeric compound prepared by polymerizing monomers, whether they are the same or different types. Thus, the generic term "polymer" encompasses the term "homopolymer" (used to refer to a polymer prepared from only one type of monomer, with the understanding that trace amounts of impurities may be incorporated into the polymer structure) and the term "interpolymer," as defined herein below. Trace amounts of impurities, such as catalyst residues, may be incorporated into and / or within the polymer. It also encompasses all forms of copolymers, e.g., random, block, etc. The terms "ethylene / α-olefin polymer" and "propylene / α-olefin polymer" refer to the aforementioned copolymers prepared by polymerizing ethylene or propylene with one or more additional polymerizable α-olefin monomers, respectively. It should be noted that although polymers are often referred to as being "made of," "based on," "containing," or "containing" one or more specified monomers, "based on," or "containing" specified monomer contents, in this context, the term "monomer" is understood to refer to the polymerized residue of the specified monomer, and not to the unpolymerized species. Generally, polymers herein are referred to as being based on "units" that are the polymerized form of the corresponding monomer.

[0016] A "propylene-based polymer" is a polymer that contains a majority amount of polymerized propylene, based on the weight of the polymer, and may optionally contain at least one comonomer. Propylene-based polymers typically contain at least 50 mole percent (mol%) of propylene-derived units (based on the total amount of polymerizable monomers).

[0017] Test Method ASTM D792, Method B (g / cc or g / cm 3 ) and measure the density according to the

[0018] Differential scanning calorimetry (DSC) can be used to measure the melting, crystallization, and glass transition behavior of polymers over a wide temperature range. For example, this analysis was performed using a TA Instruments Discovery DSC equipped with a refrigerated cooling system (RCS) and an autosampler. A nitrogen purge gas flow rate of 50 mL / min was used during testing. Each sample was melt-pressed into a thin film at 190°C, and the molten sample was then air-cooled to room temperature (approximately 25°C). 3-10 mg, 6 mm diameter specimens were extracted from the cooled polymer, weighed, placed in lightweight aluminum pans (approximately 50 mg), and crimped shut. Analysis was then performed to determine its thermal properties.

[0019] The thermal behavior of the sample was determined by ramping the sample up and down to generate a heat flow vs. temperature profile. To remove its thermal history, the sample was first rapidly heated to 180°C and held isothermal for 3 minutes. The sample was then cooled to -80°C at a cooling rate of 10°C / min and held isothermal at -80°C for 3 minutes. The sample was then heated to 180°C at a heating rate of 10°C / min (this is the "second heating" ramp). The cooling curve and the second heating curve were recorded. The measured values ​​were the peak melting temperature, T m and peak crystallization temperature T c The heat of fusion (H f ) (Joules per gram), as well as the % crystallinity of the polyethylene sample calculated using the following formula: % Crystallinity = ((H f ) / 292J / g)×100.

[0020] Heat of fusion (H f ) and peak melting temperatures were reported from the second heat curve. Peak crystallization temperatures were measured from the cooling curve.

[0021] Glass transition temperature T gwas determined from the DSC heating curve and the liquid heat capacity increased in half of the sample as described in Bernhard Wunderlich, The Basis of Thermal Analysis, in Thermal Characterization of Polymeric Materials 92, 278-279 (Edith A. Turi ed., 2d ed. 1997). Baselines were drawn below and above the glass transition region, and T g The temperature at which the heat capacity of the sample is midway between these baselines is called T g is.

[0022] Dynamic Mechanical Spectroscopy (DMS). The rheology of each composition was analyzed by DMS using an Advanced Rheometric Expansion System (ARES) equipped with 25 mm stainless steel parallel plates under a nitrogen purge. Constant-temperature dynamic frequency sweeps ranging from 0.1 to 100 rad / s were performed at 230 °C under nitrogen. Samples approximately 25 mm diameter x 3.3 mm thick were cut from compression-molded disks (see below). The samples were placed on the lower plate and allowed to melt for 5 minutes. The plates were then closed with a 2.0 mm gap, and the samples were trimmed to a 25 mm diameter. Before testing began, the samples were allowed to equilibrate at 230 °C for 5 minutes. The complex viscosity was measured at a constant strain amplitude of 10%. The stress response was analyzed in terms of amplitude and phase, from which the storage modulus (G'), loss modulus (G''), and dynamic viscosity η were calculated. * The complex viscosity, η, and tan delta could be calculated. Each compression-molded disk was formed at 230°C and 10 MPa molding pressure for 5 minutes in ambient atmosphere, then quenched between cooling platens (15-20°C) for 2 minutes. The complex viscosity, η, was measured at a frequency of 0.1 rad / s. * is reported as V0.1. The complex viscosity η measured at a frequency of 100 rad / s * is reported as V100. The rheological ratio RR was calculated as the ratio V0.1 / V100. Tan delta measured at a frequency of 0.1 rad / s is reported as tan δ.

[0023] Melt flow rates (MFR) of propylene-based polymers were measured according to ASTM D1238, condition 230° C. / 2.16 kilogram (kg) weight, unless otherwise noted.

[0024] The melt index (MI) of ethylene-based polymers, also known as I2, was measured according to ASTM D1238, condition 190°C / 2.16 kilogram (kg) weight, and is reported in g / 10 minutes.

[0025] Notched Izod. Notched Izod impact testing was performed according to ASTM D256, Method A. Test specimens (2.5 inches long x 0.5 inches wide x 0.125 inches thick) were cut from compression molded plaques. Samples were conditioned at 23 + / - 2°C and 50 + / - 10% relative humidity for at least 40 hours. Testing was performed at 23°C. Kilojoules per square meter (kJ / m 2 The impact strength reported in ) is the average of the results for three specimens.

[0026] Tensile Testing. Tensile testing was performed according to ASTM D1708 using 3.2 mm thick micro-tensile specimens cut from compression-molded plaques. The tensile modulus (2% secant modulus) (reported in MPa) and tensile strain at break (reported in percent, %) are reported as the average of five specimens. DETAILED DESCRIPTION OF THE INVENTION

[0027] The present disclosure provides a composition. In one embodiment, the composition comprises (A) an unfunctionalized propylene-based polymer, (B) a functionalized propylene-based polymer, and (C) a functionalized ethylene-based polymer. The functionalized propylene-based polymer (B) and the functionalized ethylene-based polymer (C) each have a different functional group. The functional groups of each of the functionalized propylene-based polymer (B) and the functionalized ethylene-based polymer (C) are selected from groups that can react with each other to form a covalent bond between the functionalized propylene-based polymer (B) and the functionalized ethylene-based polymer (C). The functional groups of each of the functionalized propylene-based polymer (B) and the functionalized ethylene-based polymer (C) are selected from the group consisting of anhydrides and epoxides.

[0028] A. Non-functionalized propylene-based polymers The composition contains a non-functionalized propylene-based polymer. As used herein, a "non-functionalized propylene-based polymer" refers to a propylene-based polymer that contains non-functional groups, and therefore is a hydrocarbon and lacks heteroatoms. Non-limiting examples of propylene-based polymers include propylene homopolymers, propylene / α-olefin terpolymers, propylene / α-olefin copolymers, propylene impact copolymers, and combinations thereof.

[0029] In an embodiment, the non-functionalized propylene-based polymer is a propylene homopolymer having one, some, or all of the following properties: (i) a density of 0.89 g / cc to 0.91 g / cc, or 0.90 g / cc; and / or (ii) MFR of 0.1 g / 10 min to 500 g / 10 min, or 1 g / 10 min to 150 g / 10 min, or 10 g / 10 min to 120 g / 10 min, or 10 g / 10 min to 40 g / 10 min.

[0030] In one embodiment, the propylene-based polymer is a propylene / α-olefin copolymer. Non-limiting examples of suitable α-olefins include C2 and C4-C 20α-olefin or C4-C 10 Examples of the α-olefin include α-olefins or C4 to C8 α-olefins. Representative α-olefins include ethylene, 1-butene, 1-pentene, 1-hexene, 1-heptene, and 1-octene.

[0031] In one embodiment, the propylene-based polymer is a propylene impact copolymer. The propylene impact copolymer is a heterophasic polymer in which a rubber phase (or discontinuous phase) of discrete domains of ethylene / propylene copolymer is dispersed throughout a matrix phase (or continuous phase) of propylene homopolymer. The propylene impact copolymer contains from 1 wt % to 40 wt %, or from 5 wt % to 25 wt %, or from 8 wt % to 15 wt % of the ethylene / propylene rubber phase, based on the total weight of the propylene impact copolymer.

[0032] In one embodiment, the propylene impact copolymer has one, some, or all of the following properties: (i) 1% to 40% by weight, or 5% to 25% by weight, or 8% to 15% by weight of an ethylene / propylene rubber phase, and / or (ii) a density between 0.88 g / cc and 0.90 g / cc, and / or (iii) MFR of 0.1 g / 10 min to 500 g / 10 min, or 1 g / 10 min to 150 g / 10 min, or 10 g / 10 min to 40 g / 10 min.

[0033] B. Epoxide-Functionalized Polymers The composition includes (B) a functionalized propylene-based polymer and (C) a functionalized ethylene-based polymer. The functionalized propylene-based polymer (B) and the functionalized ethylene-based polymer (C) each have a respective functional group selected from anhydride and epoxide. The functional group of the functionalized propylene-based polymer (B) is different from the functional group of the functionalized ethylene-based polymer (C). The functional group of each of the functionalized propylene-based polymer (B) and the functionalized ethylene-based polymer (C) is selected from two functional groups, i.e., anhydride and epoxide. When the functional group of the functionalized propylene-based polymer (B) is anhydride, the functional group of the functionalized ethylene-based polymer (C) is epoxide. When the functional group of the functionalized propylene-based polymer (B) is epoxide, the functional group of the functionalized ethylene-based polymer (C) is anhydride. In this way, the functionalized propylene-based polymer (B) and the functionalized ethylene-based polymer (C) each have “different” functional groups, and the functional groups of the functionalized propylene-based polymer can react with the functional groups of the functionalized ethylene-based polymer to form a covalent bond between the functionalized propylene-based polymer and the functionalized ethylene-based polymer.

[0034] The compositions comprise an epoxide-functionalized propylene-based polymer or an epoxide-functionalized ethylene-based polymer (collectively referred to as an "epoxide-functionalized olefin-based polymer." In embodiments, the epoxide-functionalized olefin-based polymer is prepared by melt blending either an ethylene-SiH polymer or a propylene-SiH polymer (collectively referred to interchangeably as an "olefin-SiH polymer") with a monovinyl epoxide component in the presence of a hydrosilylation catalyst.

[0035] An olefin-SiH polymer is an ethylene-SiH polymer (ethylene-based polymer) or a propylene-SiH polymer (propylene-based polymer). An "ethylene-SiH polymer," as used herein, is composed of (1) ethylene monomer, (2) 0.1% to 3.9% by weight of a SiH comonomer, and (3) an optional C3 α-olefin (propylene) or an optional C4 to C8 α-olefin termonomer. A "propylene-SiH polymer," as used herein, is composed of (1) propylene monomer, (2) 0.1% to 3.9% by weight of a SiH comonomer, and (3) an optional C2 α-olefin (ethylene) or an optional C4 to C8 α-olefin termonomer.

[0036] As used herein, a "SiH comonomer" (interchangeably referred to as "SiH") is a silane monomer of Formula 1:

[0037] (Formula 1) A-(SiBC-O) x -Si-EFH In the formula, A is an alkenyl group; B is a hydrocarbyl group or hydrogen; C is a hydrocarbyl group or hydrogen; B and C may be the same or different, and further, B is a hydrocarbyl group and C is a hydrocarbyl group, and further, B and C are the same; H is hydrogen and x≧0; E is a hydrocarbyl group or hydrogen F is a hydrocarbyl group or hydrogen, E and F can be the same or different, and when E is a hydrocarbyl group, F is a hydrocarbyl group, and E and F can be the same hydrocarbyl group. Non-limiting examples of suitable SiH comonomers of Formula 1 include the following compounds (structures shown below): s1) (allyldimethylsilane), s2) (propenyldimethylsilane), s3) (butenyldimethylsilane), s4) (hexenyldimethylsilane), s5) (octenyldimethylsilane), s6) (decenyldimethylsilane), s7) norbornylethyldimethylsilane, s8) octahydrodimethanonaphthalenylethyldimethylsilane, Methylsilane, s9) vinyltetramethyldisiloxane, s10) allyltetramethyldisiloxane, s11) butenyltetramethyldisiloxane, s12) hexenyltetramethyldisiloxane, s13) octenyltetramethyldisiloxane, s14) decenyltetramethyldisiloxane, s15) norbornylethyltetramethyldisiloxane, s16) octahydrodimethanonaphthalenylethyltetramethyldisiloxane:

[0038] [ka] Examples include:

[0039] In one embodiment, the SiH comonomer is selected from allyldimethylsilane, hexenyldimethylsilane, octenyldimethylsilane, and hexenyltetramethyldisiloxane.

[0040] In one embodiment, the ethylene-SiH polymer is an ethylene / α-olefin / SiH terpolymer. The α-olefin in the ethylene / α-olefin / SiH comonomer terpolymer is a C3-C 12It may be an α-olefin or a C4-C8 α-olefin. Non-limiting examples of suitable α-olefins include propylene, butene, hexene, octene, and ethylidene norbornene for ethylene / propylene SiH terpolymer, ethylene / butene / SiH terpolymer, ethylene / hexene / SiH terpolymer, ethylene / octene / SiH terpolymer, and ethylene / ethylidene norbornene / SiH terpolymer, respectively.

[0041] In embodiments, the olefin-SiH-polymer is an ethylene / α-olefin / SiH terpolymer, such as an ethylene / octene / SiH terpolymer. Non-limiting examples of suitable ethylene / octene / SiH terpolymers include ethylene / octene / hexenyldimethylsilane (HDMS) terpolymer, ethylene / octene / octenyldimethylsilane (ODMS) terpolymer, ethylene / octene / allyldimethylsilane (ADMS), and combinations thereof.

[0042] In an embodiment, the ethylene-SiH polymer is ethylene / octene / hexenyldimethylsilane (HDMS).

[0043] In an embodiment, the ethylene-SiH polymer is an ethylene / octene / allyldimethylsilane (ADMS) terpolymer.

[0044] In an embodiment, the olefin-SiH polymer is a propylene / SiH polymer. In a further embodiment, the propylene / SiH polymer (propylene-based polymer) is a propylene / HDMS copolymer or a propylene / allyldimethylsilane copolymer.

[0045] In an embodiment, the olefin-SiH polymer is a propylene / ethylene SiH polymer. In a further embodiment, the propylene / ethylene / SiH polymer (propylene-based polymer) is a propylene / ethylene / HDMS terpolymer.

[0046] The monovinyl epoxide component is melt blended with an olefin-SiH polymer (ethylene-SiH polymer or propylene-SiH polymer). In embodiments, the melt blending is carried out in the presence of a catalyst. The monovinyl epoxide component has a single vinyl group and has the structure (1): Structure (1) H2C=CH2-X (wherein X in structure (1) is (i) a C4-C epoxide having one or more heteroatoms selected from O, N, and Si and an epoxide moiety; 20 (ii) a C4-C heterohydrocarbyl group, or (iii) an epoxide moiety 20 (a) is a hydrocarbyl group. Non-limiting examples of structure (1) include allyl glycidyl ether (structure (a) below), glycidyl methacrylate (structure (b) below), 3,4-epoxy-1-butene (structure (c) below), 1,2-epoxy-5-hexene (structure (d) below), 1,2-epoxy-9-decene (structure (e) below), and 4-vinyl-1-cyclohexene 1,2-epoxide (structure (f) below).

[0047] [ka]

[0048] In embodiments, (i) the olefin-SiH polymer is melt-blended with (ii) the monovinyl epoxide component in the presence of a catalyst that promotes the hydrosilylation reaction between the SiH moieties of the olefin-SiH polymer and the vinyl groups of the monovinyl epoxide component of structure (1).

[0049] In embodiments, the hydrosilylation catalyst may be a platinum group metal-containing catalyst. As used herein, the term "platinum group" includes ruthenium, rhodium, palladium, osmium, iridium, and platinum, as well as complexes thereof. The platinum group-containing catalyst may be a platinum group metal, a platinum group metal deposited on a support such as silica gel or powdered charcoal, or a compound or complex of a platinum group metal. Non-limiting examples of suitable platinum-containing catalysts include, for example, chloroplatinic acid in hexahydrate or anhydrous form, and / or a platinum-containing catalyst obtained by a process comprising reacting chloroplatinic acid with an aliphatic unsaturated organic alkene-platinum-silyl complex, such as (COD)Pt(SiMeCl2)2, where COD is 1,5-cyclooctadiene and Me is methyl. An alkene-platinum-silyl complex can be prepared, for example, by mixing 0.015 moles of (COD)PtCl2 with 0.045 moles of COD and 0.0612 moles of HMeSiCl2. The appropriate amount of catalyst will depend on the specific catalyst used. In further embodiments, the platinum catalyst is present in an amount sufficient to provide at least 2 parts per million (ppm), or 4 to 200 ppm platinum, based on the total weight percent solids (total non-solvent raw materials) in the composition. Typically, the platinum is present in an amount sufficient to provide 4 ppm to 150 ppm platinum by weight on the same basis. The catalyst can be added as a single species or as a mixture of two or more different species.

[0050] In one embodiment, the hydrosilylation catalyst is selected from Speier's catalyst (chloroplatinic acid), Karstedt's catalyst, Wilkinson's catalyst, and combinations thereof.

[0051] The olefin-SiH polymer (ethylene-SiH polymer or propylene-SiH polymer), the monovinyl epoxide component, and the catalyst are melt-blended or otherwise combined at a temperature and for a time sufficient to completely homogenize the mixture. Melt-blending is accomplished by batch or continuous mixing at temperatures between 80°C and 160°C or between 80°C and 120°C for 1 to 20 minutes, 2 to 15 minutes, or 3 to 10 minutes. In the presence of the catalyst, melt-blending initiates a hydrosilylation reaction between the Si-H moieties of the olefin-SiH polymer (ethylene-SiH polymer or propylene-SiH polymer) and the vinyl groups of the monovinyl epoxide component, thereby grafting the monovinyl epoxide component onto the ethylene-SiH polymer (or propylene-SiH polymer), forming an epoxide-silane functionalized olefin-based polymer (epoxide-silane functionalized ethylene-based polymer or epoxide-silane functionalized propylene-based polymer).

[0052] An "epoxide-silane functionalized ethylene-based polymer," as used herein, is the reaction product between an ethylene-SiH polymer and a monovinyl epoxide component, whereby the monovinyl epoxide component is bonded to a Si-CCY bond (where "Y" is a C4-C 20 Heterohydrocarbyl groups or C6-C having one or more heteroatoms selected from O, N, and Si 18 In an embodiment, "Y" is a C4 to C6 heterohydrocarbyl group. 20 It is a heterohydrocarbyl group and contains an epoxide moiety.

[0053] An "epoxide-silane functionalized propylene-based polymer," as used herein, is a reaction product between a propylene-SiH polymer and a monovinyl epoxide component, whereby the monovinyl epoxide component is bonded to a Si-CCY bond (where "Y" is a C4-C epoxide-functionalized propylene-based polymer) having an epoxide moiety. 20C6-C having a heterohydrocarbyl group or epoxide moiety and one or more heteroatoms selected from O, N, and Si 18 In an embodiment, "Y" is a C4 to C6 heterohydrocarbyl group. 20 It is a heterohydrocarbyl group and contains an epoxide moiety.

[0054] In embodiments, the epoxy-silane functionalized ethylene-based polymer has the following structure (2A):

[0055] [ka] wherein R is a hexyl group, a hydrogen atom, or any combination thereof; R' is selected from the group consisting of -CH2 and -(CH2)4-; R'' is CH3, Y is a heterohydrocarbyl group having an epoxide moiety. "Epoxide-silane propylene-based polymer," as used herein, is the reaction product between a propylene-SiH polymer and a monovinyl epoxide component, whereby the monovinyl epoxide component is a C4-C6 bond (where "Y" is a C4-C6 epoxide-containing silane bond). 20 C6-C with heterohydrocarbyl groups or epoxide moieties 18 The propylene-SiH polymer is grafted or otherwise covalently bonded to the propylene-SiH polymer at the silicon atom of the SiH moiety by a heterohydrocarbyl group.

[0056] In embodiments, the epoxy-silane functionalized propylene-based polymer has the following structure (2B):

[0057] [ka] In the formula, R is a methyl group, a hydrogen atom, or any combination thereof; R' is selected from the group consisting of -CH2 and -(CH2)4-; R'' is CH3, Y is a heterohydrocarbonyl group bearing an epoxide moiety.

[0058] In embodiments, the epoxide-silane functionalized ethylene-based polymer is the reaction product of an ethylene / octene / HDMS terpolymer and allyl glycidyl ether (hereinafter "AGE-SiPOE"), where AGE-SiPOE has the following structure (3):

[0059] [ka]

[0060] The epoxide-silane olefin-based polymer may comprise two or more embodiments disclosed herein.

[0061] C. Anhydride-Functionalized Polymers The present compositions comprise an anhydride-functionalized propylene-based polymer or an anhydride-functionalized ethylene-based polymer (collectively referred to as an "anhydride-functionalized olefin-based polymer"). Non-limiting examples of suitable anhydride-functionalized olefin-based polymers are prepared by grafting maleic anhydride onto an olefin-based polymer (ethylene-based polymer or propylene-based polymer), for example, via a thermally or peroxide-initiated free radical mechanism.

[0062] An "anhydride-functionalized ethylene-based polymer," as used herein, is an ethylene-based polymer having an anhydride functionality pendant to the polymer chain backbone. The functionalized ethylene-based polymer contains from 0.1 wt. % to 10 wt. %, or from 0.1 wt. % to 5 wt. %, or from 0.3 wt. % to 1.2 wt. % anhydride functionality, based on the total weight of the anhydride-functionalized ethylene-based polymer. The anhydride-functionalized ethylene-based polymer has a MI (2.16 kg, 190° C.) of from 1 g / 10 min to 2000 g / 10 min, or from 10 g / 10 min to 500 g / 10 min, or from 40 g / 10 min to 150 g / 10 min. In one embodiment, the anhydride functionality is maleic anhydride (or MAH).

[0063] In an embodiment, the anhydride-functionalized ethylene-based polymer is a maleic anhydride-grafted ethylene-based polymer, the maleic anhydride-grafted ethylene-based polymer comprising: (i) a melt index (2.16 kg, 190°C) of 0.1 g / 10 min to 2000 g / 10 min, or 0.2 g / 10 min to 50 g / 10 min, or 0.3 g / 10 min to 25 g / 10 min, or 1 g / 10 min to 5 g / 10 min; (ii) a maleic anhydride content of 0.1 wt.% to 10 wt.%, based on the total weight of the functionalized ethylene-based polymer; and (iii) a base ethylene / C3-C8 α-olefin copolymer having a density of 0.850 g / cc to 0.920 g / cc or 0.860 g / cc to 0.900 g / cc; It has.

[0064] In one embodiment, the anhydride-functionalized ethylene-based polymer is an anhydride-functionalized ethylene / α-olefin copolymer. Representative α-olefins include C3-C 20 α-olefin or C3-C 10 α-olefin or C4-C 20 α-olefin or C4-C 10These include, but are not limited to, α-olefins, or C4 to C8 α-olefins. Representative α-olefins include propylene, 1-butene, 1-pentene, 1-hexene, 1-heptene, and 1-octene.

[0065] In one embodiment, the anhydride-functionalized ethylene-based polymer is made using an ethylene / C3-C8 α-olefin copolymer (“base ethylene / C3-C8 α-olefin copolymer”) having a density from 0.850 g / cc to 0.920 g / cc, or from 0.850 g / cc to 0.910 g / cc, or from 0.855 g / cc to 0.905 g / cc, or from 0.855 g / cc to 0.890 g / cc.

[0066] In one embodiment, the anhydride-functionalized ethylene-based polymer is made using an ethylene / octene copolymer having a density from 0.850 g / cc to 0.920 g / cc, or from 0.850 g / cc to 0.910 g / cc, or from 0.855 g / cc to 0.905 g / cc, or from 0.855 g / cc to 0.890 g / cc.

[0067] In one embodiment, the anhydride-functionalized ethylene-based polymer is made using an ethylene / octene multiblock copolymer having a density from 0.850 g / cc to 0.920 g / cc, or from 0.850 g / cc to 0.910 g / cc, or from 0.855 g / cc to 0.890 g / cc.

[0068] An "anhydride-functionalized propylene-based polymer," as used herein, is a propylene-based polymer having anhydride functional groups pendant to the polymer chain backbone. The anhydride-functionalized propylene-based polymer contains 0.1 wt. % to 10 wt. %, or 0.1 wt. % to 5 wt. %, or 0.3 wt. % to 1.2 wt. % anhydride functional groups, based on the total weight of the anhydride-functionalized propylene-based polymer. The anhydride-functionalized propylene-based polymer has a MFR (2.16 kg, 190°C) of 1 g / 10 min to 2000 g / 10 min, or 10 g / 10 min to 500 g / 10 min, or 40 g / 10 min to 150 g / 10 min. In one embodiment, the anhydride functional group is maleic anhydride.

[0069] In one embodiment, the anhydride-functionalized propylene-based polymer is a maleic anhydride-grafted propylene homopolymer, which is (i) a melt flow rate (2.16 kg, 190°C) of 1 g / 10 min to 2000 g / 10 min, or 10 g / 10 min to 500 g / 10 min, or 40 g / 10 min to 150 g / 10 min; (ii) a maleic anhydride content of 0.1 wt.% to 10 wt.% based on the total weight of the maleic anhydride-functionalized propylene-based polymer; and It has.

[0070] D. Non-functionalized ethylene-based polymers In one embodiment, the composition contains a non-functionalized ethylene-based polymer. As used herein, a "non-functionalized ethylene-based polymer" is an ethylene-based polymer that does not contain functional groups, such that the non-functionalized ethylene-based polymer is a hydrocarbon and lacks heteroatoms.

[0071] Non-limiting examples of unfunctionalized ethylene-based polymers include ethylene homopolymers, ethylene / α-olefin terpolymers, ethylene / α-olefin copolymers, ethylene / octene multiblock copolymers, and combinations thereof.

[0072] In one embodiment, the unfunctionalized ethylene-based polymer is an unfunctionalized ethylene / α-olefin copolymer. Exemplary α-olefins include C3-C 20 α-olefin or C3-C 10 α-olefin or C4-C 20 α-olefin or C4-C 10 These include, but are not limited to, α-olefins, or C4 to C8 α-olefins. Representative α-olefins include propylene, 1-butene, 1-pentene, 1-hexene, 1-heptene, and 1-octene.

[0073] In one embodiment, the unfunctionalized ethylene-based polymer is an unfunctionalized random ethylene / octene copolymer having one, some, or all of the following properties: (i) a density between 0.850 g / cc and 0.920 g / cc, or between 0.850 g / cc and 0.910 g / cc, or between 0.860 g / cc and 0.905 g / cc, or between 0.860 g / cc and 0.890 g / cc; and / or (ii) MI of 0.1 g / 10 min to 2000 g / 10 min, or 0.2 g / 10 min to 50 g / 10 min, or 0.5 g / 10 min to 35 g / 10 min, or 0.5 g / 10 min to 8 g / 10 min.

[0074] In one embodiment, the unfunctionalized ethylene-based polymer is an unfunctionalized ethylene / octene multiblock copolymer (composed exclusively of ethylene and octene comonomers) and has one, some, or all of the following properties: (i) an Mw / Mn of 1.7 or 1.8 to 2.2, or 2.5, or 3.5; and / or (ii) a density between 0.850 g / cc and 0.920 g / cc, or between 0.850 g / cc and 0.910 g / cc, or between 0.860 g / cc and 0.890 g / cc; and / or (iii) a melting point Tm of 115°C, or 118°C, or 119°C, or 120°C to 120°C, or 123°C, or 125°C; and / or (iv) an MI of 0.1 g / 10 min to 2000 g / 10 min, or 0.2 g / 10 min to 50 g / 10 min, or 0.5 g / 10 min to 8 g / 10 min, and / or (v) 50 to 93% by weight of a soft segment and 50 to 7% by weight of a hard segment, and / or (vi) 10 mol%, or 13 mol%, or 14 mol%, or 15 mol% to 16 mol%, or 17 mol%, or 18 mol%, or 19 mol%, or 20 mol% of C4 to C5 in the soft segment 12 α-olefins, and / or (vii) 0.5 mol%, or 1.0 mol%, or 2.0 mol%, or 3.0 mol% to 4.0 mol%, or 5 mol%, or 6 mol%, or 7 mol%, or 9 mol% of octene in the hard segments; and / or (viii) an elastic recovery (Re) of 50%, or 60% to 70%, or 80%, or 90% at 300% / min deformation at 21°C as measured in accordance with ASTM D1708; and / or (ix) Polydisperse distribution of blocks and polydisperse distribution of block sizes. Ethylene / octene multiblock copolymers having properties (i) to (ix) are disclosed in U.S. Patent No. 7,608,668, the entire contents of which are incorporated herein by reference.

[0075] A non-limiting example of a suitable non-functionalized ethylene / octene multi-block copolymer is INFUSE 9530 available from Dow, Inc.

[0076] The unfunctionalized ethylene-based polymer may comprise two or more embodiments disclosed herein.

[0077] E. Filler In one embodiment, the composition may include one or more fillers. Non-limiting examples of suitable fillers include talc, mica, calcium carbonate, nanoclay, carbon nanotubes, carbon nanofibers, and combinations thereof.

[0078] F. Catalyst In one embodiment, the composition may include a catalyst or initiator to promote the reaction between the epoxide and the anhydride. Non-limiting examples of suitable catalysts include substituted or unsubstituted imidazoles, benzimidazoles, amines, imidazolium salts, aliphatic or aromatic alcohols, and aliphatic or aromatic carboxylic acids. A non-limiting example of a suitable catalyst is 2-undecylimidazole.

[0079] G. Composition The composition is produced in a batch mixer, a continuous mixer, or a combination thereof. In one embodiment, the composition is produced in a continuous mixer. Non-limiting examples of suitable continuous mixers include co-rotating twin-screw extruders, counter-rotating continuous mixers, tangential counter-rotating twin-screw extruders, reciprocating kneaders, single-screw extruders, multi-screw planetary extruders, and combinations thereof. The continuous mixer can be used as a single unit or as a combination of multiple continuous mixers, for example, in series.

[0080] In one embodiment, the composition comprises: (A) 20% to 98% by weight, or 30% to 95% by weight, or 50% to 85% by weight, or 55% to 75% by weight of a non-functionalized propylene-based polymer; (B) 1% to 50%, or 1% to 20%, or 2% to 10%, or 3% to 7% by weight of a maleic anhydride-functionalized propylene-based polymer, and (C) 1% to 50%, or 1% to 20%, or 2% to 10%, or 3% to 7% by weight of an epoxide-silane functionalized ethylene-based polymer, wherein the weight percentages are based on the total weight of the composition.

[0081] In one embodiment, the composition comprises: (A) 20% to 98% by weight, or 30% to 95% by weight, or 50% to 85% by weight, or 55% to 75% by weight of a non-functionalized propylene-based polymer; (B) 1% to 50%, or 1% to 20%, or 2% to 10%, or 3% to 7% by weight of a maleic anhydride-functionalized propylene-based polymer, and (C) 1% to 50%, or 1% to 20%, or 2% to 10%, or 3% to 7% by weight of an epoxide-silane functionalized ethylene-based polymer; (D) 10% to 40%, or 15% to 30%, or 20% to 30% by weight of a non-functionalized ethylene-based polymer, and (E) 0 wt. %, or 0.05 wt. % to 1.0 wt. %, or 0.1 wt. % to 1.0 wt. %, or 0.1 wt. % to 0.9 wt. % of one or more additives. The weight percentages are based on the total weight of the composition.

[0082] In one embodiment, the composition comprises: (A) 20% to 98%, or 30% to 95%, or 50% to 85%, or 55% to 75% by weight of a non-functionalized propylene homopolymer having: (i) MFR (2.16 kg, 230°C) of 5.0 g / 10 min to 15 g / 10 min or 8.0 g / 10 min to 13.0 g / 10 min, (B) 1% to 50%, or 1% to 20%, or 2% to 10%, or 3% to 7% by weight of a maleic anhydride functionalized propylene homopolymer having: (i) 0.1 wt. % to 1.0 wt. % or 0.2 wt. % to 0.8 wt. % MAH (based on the total weight of the maleic anhydride functionalized propylene homopolymer); (ii) MFR (2.16 kg, 190°C) of 70 g / 10 min to 150 g / 10 min, or 80 g / 10 min to 140 g / 10 min, or 90 g / 10 min to 135 g / 10 min, or 100 g / 10 min to 130 g / 10 min, (C) 1% to 50%, or 1% to 20%, or 2% to 10%, or 3% to 7% by weight of an epoxide-silane functionalized ethylene terpolymer having: (i) a density of 0.85 g / cc to 0.89 g / cc or 0.86 g / cc to 0.88 g / cc; (ii) a melt index (2.16 kg, 190°C) of 0.1 g / 10 min to 1.0 g / 10 min, or 0.1 g / 10 min to 0.9 g / 10 min, or 0.2 g / 10 min to 0.8 g / 10 min; (iii) a termonomer selected from HDMS or ODMS; (D) 10% to 40%, or 15% to 30%, or 20% to 30% by weight of a non-functionalized ethylene-based polymer that is an ethylene / octene multi-block copolymer having: (i) a density of 0.86 g / cc to 0.89 g / cc or 0.87 g / cc to 0.89 g / cc; (ii) a melt index (2.16 kg, 190°C) of 1.0 g / 10 min to 10 g / 10 min or 2 g / 10 min to 8 g / 10 min; and (E) 0 wt. %, or 0.05 wt. % to 1.0 wt. %, or 0.1 wt. % to 1.0 wt. %, or 0.1 wt. % to 0.9 wt. % of an additive (hereinafter Composition 1). The weight percentages are based on the total weight of the composition. The composition (Composition 1) has one, some, or all of the following characteristics: (i) a viscosity at 0.1 rad / s (230°C) of 1600 Pa·s to 2,600 Pa·s or 1700 Pa·s to 2,500 Pa·s, and / or (ii) a viscosity at 100 rad / s (230°C) of 300 Pa·s to 500 Pa·s or 330 Pa·s to 400 Pa·s, and / or (iii) tan δ at 0.1 rad / s of 1.0 to 5.0 or 1.5 to 3.0. In one embodiment, a molded article comprised of Composition 1 has one, some, or all of the following molded article properties: (iv) a tensile strain at break value of 50% to 100% or 51% to 90%, and / or (v) 5.0 kJ / m 2 ~20.0kJ / m 2 or 7.0 kJ / m 2 ~18.0kJ / m 2 Notched Izod impact strength at 23°C, and / or (vi) Tensile modulus of elasticity (2% secant) of 500 MPa to 700 MPa or 550 MPa to 650 MPa.

[0083] In one embodiment, the composition comprises: (A) 20% to 98% by weight, or 30% to 95% by weight, or 50% to 85% by weight, or 55% to 75% by weight of a non-functionalized propylene-based polymer; (B) 1% to 50%, or 1% to 20%, or 2% to 10%, or 3% to 7% by weight of an epoxide-silane functionalized propylene-based polymer, and (C) 1% to 50%, or 1% to 20%, or 2% to 10%, or 3% to 7% by weight of a maleic anhydride-functionalized ethylene-based polymer, wherein the weight percentages are based on the total weight of the composition.

[0084] In one embodiment, the composition comprises: (A) 20% to 98% by weight, or 30% to 95% by weight, or 50% to 85% by weight, or 55% to 75% by weight of a non-functionalized propylene-based polymer; (B) 1% to 50%, or 1% to 20%, or 2% to 10%, or 3% to 7% by weight of an epoxide-silane functionalized propylene-based polymer, and (C) 1% to 50%, or 1% to 20%, or 2% to 10%, or 3% to 7% by weight of an epoxide-silane functionalized ethylene-based polymer; (D) 10% to 40%, or 15% to 30%, or 20% to 25% by weight of a non-functionalized ethylene-based polymer, and (E) 0 wt. %, or 0.05 wt. % to 1.0 wt. %, or 0.1 wt. % to 1.0 wt. %, or 0.1 wt. % to 0.9 wt. % of additives. The weight percentages are based on the total weight of the composition.

[0085] The composition, consisting of (A) a non-functionalized propylene-based polymer, (B1) an anhydride-functionalized propylene-based polymer (or (B2) an epoxide-silane-functionalized propylene-based polymer), (C1) an epoxide-silane-functionalized ethylene-based polymer (or (C2) anhydride-functionalized ethylene-based polymer), and (D) a non-functionalized ethylene-based polymer, reacts during blending, and the functional groups of the functionalized propylene-based polymer react with the functional groups of the functionalized ethylene-based polymer to form a covalent bond between the functionalized propylene-based polymer and the functionalized ethylene-based polymer. The anhydride and epoxide-silane functional groups react to form ester bonds between the two functionalized polymers. Depending on the number of functional groups in each polymer, multiple ester bonds are formed between the functionalized polymer chains. Blends of propylene-based and ethylene-based polymers are immiscible. The propylene-based polymer and ethylene-based polymer form distinct domains in the blend. The in-situ reaction between the functionalized propylene-based polymer and the functionalized ethylene-based polymer can improve the compatibility of the propylene-based polymer domains with the ethylene-based polymer domains and / or improve the interfacial strength between the propylene-based polymer domains and the ethylene-based polymer domains. The reaction during compounding results in a TPO composition with more shear-thinning rheology (indicated by higher melt viscosity at low shear rates and similar melt viscosity at high shear rates) and higher melt elasticity (indicated by lower tan δ), which, when molded into an article, has improved impact toughness. The composition improves the balance of stiffness and impact toughness.

[0086] G.Goods The composition can be molded into an article. Many types of molding operations can be used to form articles or parts from the composition, including, but not limited to, injection molding, blow molding, compression molding, profile and sheet extrusion, and thermoforming. In one embodiment, the article is injection molded. Non-limiting examples of molded articles formed from the composition include automotive interior and exterior parts such as bumper fascias, airbag covers, door trim panels, instrument panels, seat backrests, exterior body panels (lift gate panels, door panels, fenders), rocker panels, cladding, wheel flares, freezer containers, storage containers, toys, electronic and computer parts, footwear components, and household and personal items such as building materials.

[0087] By way of example, and not limitation, examples of the present disclosure are provided. [Example]

[0088] The materials used in the comparative samples (CS) and inventive examples (IE) are provided in Table A below.

[0089] [Table 1]

[0090] 1. Preparation of SiHPOE Interpolymer SiH-POE E was prepared in a hydraulically filled, one-gallon polymerization reactor operating under steady-state conditions. The solvent was ISOPAR-E supplied by ExxonMobil Chemical Company. 5-Hexenyldimethylsilane (HDMS) supplied by Gelest was used as the termonomer and purified with AZ-300 alumina supplied by UOP Honeywell before use. HDMS was fed to the reactor as a 22 wt.% solution in ISOPAR-E. The reactor temperature was measured at or near the reactor exit. The interpolymer was isolated and pelletized. The polymerization conditions are listed in Tables 1C-1E, and the catalyst is shown in Table 1B. The polymer properties of the ethylene / octene / silane interpolymer (SiH-POE E) are shown in Table 1E.

[0091] [Table 2]

[0092] [Table 3]

[0093] [Table 4] * "ppm" amounts based on the weight of the respective catalyst feed solution. ** "ppm" amount based on weight of cocatalyst feed solution. *** The "ppm" amount of Al based on the weight of the cocatalyst feed solution.

[0094] [Table 5] * Based on the total moles of monomers in the polymer, 13 Mole % of silane determined by C NMR.

[0095] 1. Preparation of AGE-SiPOE Ethylene / 1-octene / HDMS terpolymer (SiH-POE E) was added to a preheated Haake mixer (50 cc mixing bowl) at a blending speed of 100 rpm and a designated temperature of 100 °C. Mixing continued until the polymer was homogeneous. The monovinyl epoxide component, allyl glycidyl ether, was added, and mixing continued for 1-5 minutes. Speier's catalyst (50 ppm Pt relative to polymer) was then added as a solution in isopropanol (2 mg catalyst / 1 mL solvent), and the hydrosilylation reaction was allowed to proceed for 10 minutes. At the end of the hydrosilylation reaction, the epoxide-silane functionalized ethylene polymer, AGE-SiPOE, was collected. Purification was carried out by precipitation from hot toluene into methanol. The resulting material was characterized by proton NMR spectroscopy in 1,1,2,2-tetrachloroethane-d2. NMR samples were prepared at 100 °C in a solvent sufficient to completely dissolve the polymer. Proton NMR spectra were acquired on a Bruker Ascend NEO 500 MHz instrument equipped with a Prodigy Cryoprobe at 383 K with a 60 second recycle delay. The properties of the resulting functionalized polymers are provided in Table 1F below.

[0096] [Table 6]

[0097] 2. Preparation of the Composition For each composition, polymer pellets were melt-blended with antioxidant and optional UI catalyst in the ratios listed in Table 2A in an RSI RS5000, RHEOMIX 600 Haake mixer at 200°C / 50 RPM for 5 minutes. The hot samples were cooled in a Carver press (cooled platen) at 20,000 psi for 4 minutes to create "pancake samples" for further testing. Samples (4.5" x 4.5" x 0.125") were then compression molded according to ASTM D4703. Notched Izod impact strength was measured according to ASTM D256, and microtensile testing was performed according to ASTM D1708. DMS frequency sweep measurements were performed on a TA Instruments DMS-ARES-G2 rheometer using a 25 mm diameter parallel plate configuration at 230°C from 0.1 to 100 rad / s.

[0098] [Table 7] Wt% - based on total weight of composition

[0099] [Table 8]

[0100] Table 2A includes the formulations and properties of blends prepared by Haake Blending. Table 2B includes the properties of compression molded parts made from composition comparison samples ("CS"). CS A is a formulation without any functionalized component. Inventive Examples (IE) IE1 and IE2 contain both functionalized components. Compared to comparative example CS A, inventive examples IE1 and IE2 have impact toughness (higher notched Izod impact strength) while maintaining similar stiffness (tensile modulus). Meanwhile, IE1 and IE2 have similar high shear viscosities (viscosities at 100 rad / s) as CS A, indicating similar flow properties for processes such as injection molding. Thus, IE1 and IE2 provide an improved balance of stiffness, toughness, and flow compared to CS A. Furthermore, IE1 and IE2 have higher low shear viscosities (viscosities at 0.1 rad / s) and lower tan δ than CS A, indicating higher melt elasticity for the inventive compositions. Higher melt elasticity can reduce tiger stripping in injection molded parts. This may be useful for reducing stripping or improving the processability of thermoforming or foam compounds. IE2 has the highest impact strength, the highest viscosity at 0.1 rad / s, and the lowest tan δ at 0.1 rad / s, indicating that the addition of the UI catalyst resulted in a higher degree of reaction between the maleic anhydride grafted polypropylene and the epoxy-silane functionalized ethylene-based polymer.

[0101] The present disclosure is not limited to the embodiments and examples contained herein, but is specifically intended to include portions of the embodiments and modifications of those embodiments, including combinations of elements of different embodiments, to the extent that they fall within the scope of the following claims.

Claims

1. 1. A composition comprising: (A) a non-functionalized propylene-based polymer; (B) a functionalized propylene-based polymer; and (C) a functionalized ethylene-based polymer; and wherein the functionalized propylene-based polymer (B) and the functionalized ethylene-based polymer (C) each have a different functional group, the functional group being selected from the group consisting of maleic anhydride and an epoxide.

2. (A) 20% to 98% by weight of a non-functionalized propylene-based polymer; (B) 1% by weight to 50% by weight of a maleic anhydride-grafted propylene-based polymer; (C) 1% to 50% by weight of an epoxy-functionalized ethylene-based polymer; and The composition of claim 1 comprising:

3. The maleic anhydride grafted propylene polymer is (i) a melt flow rate (2.16 kg, 190° C.) of 1 g / 10 min to 2000 g / 10 min; (ii) a maleic anhydride content of 0.1 wt % to 10 wt %, based on the total weight of the functionalized propylene-based polymer.

4. the epoxy-functionalized ethylene-based polymer (i) a density of 0.85 g / cc to 0.89 g / cc; (ii) a melt index of 0.1 g 10 min to 1.0 g / 10 min; (iii) a termonomer selected from the group consisting of allyldimethylsilane, hexenyldimethylsilane, and octenyldimethylsilane; 4. The composition of claim 2 or 3, wherein

5. 5. The composition of claim 4, wherein the epoxy-functionalized ethylene-based polymer is an epoxy-silane-functionalized ethylene-based polymer having the following structure (2A): Structure (2A) 【Chemistry 1】 In the formula, R is a hexyl group, a hydrogen atom, or any combination thereof; R' is -CH ２ and -(CH ２ ) ４ - selected from the group consisting of R'' is CH ３ and Y is an epoxide-bearing heterohydrocarbyl group.

6. 6. The composition of claim 5, wherein the epoxy-silane functionalized ethylene-based polymer has the following Structure 3: Structure (3) 【Chemistry 2】

7. The composition of any one of claims 1 to 6, comprising (D) a non-functionalized ethylene-based polymer.

8. the unfunctionalized ethylene-based polymer (i) a density of 0.850 g / cc to 0.920 g / cc; (ii) a melt index (2.16 kg, 190° C.) of 0.1 g / 10 min to 2000 g / 10 min; Ethylene / C ３ ~C ８ The composition of claim 7 which is an α-olefin copolymer.

9. 9. The composition of claim 7 or 8, (A) 50% to 85% by weight of a non-functionalized propylene homopolymer; (B) 1% to 10% by weight of a maleic anhydride functionalized propylene homopolymer; (C) 1% to 10% by weight of an epoxide-silane functionalized ethylene terpolymer; (D) 15% to 30% by weight of a non-functionalized ethylene-based polymer; and (E) 0 wt. % to 1.0 wt. % of an additive; and A composition comprising:

10. The composition comprises: (i) a viscosity at 0.1 rad / s (230°C) of 1600 Pa s to 2,600 Pa s; (ii) a viscosity at 100 rad / s (230°C) of 300 Pa s to 500 Pa s; (iii) tan δ at 0.1 rad / s from 1.0 to 5.0; (iv) combinations thereof; and 10. The composition of claim 9, having a property selected from the group consisting of:

11. A molded article comprised of the composition of claim 10, (i) a tensile strain at break value of 50% to 100%; (ii) 5.0kJ / m ２ ~20.0 kJ / m ２ and a notched Izod impact strength at 23°C of (iii) an elastic modulus (2% secant) of 500 MPa to 700 MPa; (iv) combinations thereof; and A molded article having a property selected from the group consisting of:

12. (A) 20% to 98% by weight of a non-functionalized propylene-based polymer; (B) 1% to 50% by weight of an epoxy-silane functionalized propylene-based polymer; (C) 1% to 50% by weight of a maleic anhydride-grafted ethylene-based polymer.

13. 13. The composition of claim 12 comprising (D) a non-functionalized ethylene-based polymer.

14. the unfunctionalized ethylene-based polymer (i) a density of 0.850 g / cc to 0.920 g / cc; (ii) a melt index (2.16 kg, 190° C.) of 0.1 g / 10 min to 2000 g / 10 min; Ethylene / C ３ ~C ８ The composition of claim 13 which is an α-olefin copolymer.

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