NUCLEATION WITH A BLOCK COMPOSITE NUCLEATOR

A composition includes (A) 30-95 wt % of a random or homogeneous propylene-based interpolymer having: (i) a comonomer content of at least one of C 2 and C 4-10 α-olefins of 7 wt % to 49 wt % based on the total weight of the propylene-based interpolymer, (ii) a density of 0.90 g/cc or less, and (iii) an MFR of 1 g/10 min or greater (230° C./2.16 kg); and (B) 5-70 wt % of a block composite nucleator comprising: (1) a first polymer that includes polypropylene; (2) a second polymer that includes an alpha-olefin based polymer, the alpha-olefin being selected from at least one of a C 2 and C 4-10 α-olefins, and (3) a block copolymer having a first segment and a second segment, the first segment of the block copolymer having the same composition as the first polymer in the block composite nucleator and the second segment of the block copolymer having the same composition as the second polymer of the block composite nucleator.

Block copolymers in soft compounds

Embodiments of the invention provide block composites and their use in soft compounds.

A Process to Produce a Polyolefin Reactive Telechelic Pre-Polymer, Polyolefin Reactive Telechelic Pre-Polymers and Crosslinked Elastomers and High Molecular Weight Elastomers

A process to produce a polyolefin reactive telechelic pre-polymer comprising reacting alkyl-cis-cyclooctene and optionally cis-cyclooctene, in the presence of a difunctional chain transfer agent under ring opening metathesis polymerization conditions to form an unsaturated polyolefin reactive telechelic pre-polymer is provided. Further provided are unsaturated and hydrogenated reactive pre-polymers, crosslinked elastomers and high molecular weight elastomers. 1. A process to produce a polyolefin reactive telechelic pre-polymer comprising:reacting alkyl-cis-cyclooctene and optionally cis-cyclooctene, in the presence of a difunctional chain transfer agent and/or a polyfunctional chain transfer agent under ring opening metathesis polymerization conditions to form an unsaturated polyolefin reactive telechelic pre-polymer.2. The process according to claim 1 , wherein the alkyl-cis-cyclooctene is 3-hexyl-cis-cyclooctene.3. The process according to claim 1 , wherein the chain transfer agent is a difunctional chain transfer agent and is maleic acid.4. The process according to claim 1 , wherein cis-cyclooctene is present in the reacting step and the mole ratio of cis-cyclooctene to alkyl-cis-cyclooctene is from 1:0.05 to 0.05:1.5. The process according to claim 1 , wherein the reacting occurs in the presence of a Grubbs catalyst.6. An unsaturated polyolefin reactive telechelic pre-polymer reaction product produced by the process of claim 1 , wherein the polyolefin reactive telechelic pre-polymer has a molar mass from 1 to 20 kg/mole and exhibits one or more of the following properties: (a) a Tof equal to or greater than 310° C.; (b) a glass transition temperature claim 1 , Tg claim 1 , less than or equal to or less than −25° C.; (c) ΔHof less than 56 J g(2heat).7. The process according to claim 1 , further comprising:hydrogenating the unsaturated polyolefin reactive telechelic pre-polymer to produce a hydrogenated polyolefin reactive telechelic pre-polymer.8. The process ...

Multilayered polyolefin-based films

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).

Crystalline block composites as compatibilizers

Embodiments of the invention provide crystalline block composites and their use as compatibilizers.

HOT MELT ADHESIVE COMPOSITION INCLUDING A CYSTALLINE BLOCK COMPOSITE

A hot melt adhesive composition includes (A) 10-95 wt % of a random or homogeneous propylene-based interpolymer having: (i) a comonomer content of at least one of C2 and C4-10 a-olefin of 7 wt % to 49 wt % based on the total weight of the propylene-based interpolymer, (ii) an MWD of 4 or less, (iii) a density of 0.90 g/cc or less, and (iv) a Brookfield viscosity of less than 50,000 centipoise, (B) 1-60 wt % of a crystalline block composite comprising: (1) a crystalline ethylene based polymer; (2) a crystalline alpha-olefin based polymer derived from at least one of a C3-10 a-olefin; and (3) a block copolymer comprising 10-90 wt % of a crystalline ethylene block comprising greater than 90 mol % units derived from ethylene and comprising 10-90 wt % of a crystalline alpha-olefin block comprising greater than 90 mol % units derived from at least one of a C3-10 a-olefin, (C) Optionally, from greater than zero to 70 wt % tackifier, and (D) Optionally, from greater than zero to 40 wt % of at least one selected from the group of a wax and an oil. 1. A hot melt adhesive composition , comprising:{'sub': 2', '4-10, '(A) 10-95 wt % of a random or homogeneous propylene-based interpolymer having: (i) a comonomer content of at least one of Cand Cα-olefin of 7 wt % to 49 wt % based on the total weight of the propylene-based interpolymer, (ii) an MWD of 4 or less, (iii) a density of 0.90 g/cc or less, and (iv) a Brookfield viscosity of less than 50,000 centipoise;'} (1) a crystalline ethylene based polymer;', {'sub': '3-10', '(2) a crystalline alpha-olefin based polymer derived from at least one of a Cα-olefin; and'}, {'sub': '3-10', '(3) a block copolymer comprising 10-90 wt % of a crystalline ethylene block comprising greater than 90 mol % units derived from ethylene and comprising 10-90 wt % of a crystalline alpha-olefin block comprising greater than 90 mol % units derived from at least one of a Cα-olefin;'}], '(B) 1-60 wt % of a crystalline block composite comprising(C) ...

Butene/alpha-olefin block interpolymers

Embodiments of the invention provide a class of butene/a-olefin block interpolymers. The butene/a-olefin interpolymers are characterized by an average block index, ABI, which is greater than zero and up to about 1.0 and a molecular weight distribution, Mw/Mn, greater than about 1.3. Preferably, the block index is from about 0.2 to about 1. In addition or alternatively, the block butene/a-olefin interpolymer is characterized by having at least one fraction obtained by Temperature Rising Elution Fractionation ('TREF'), wherein the fraction has a block index greater than about 0.3 and up to about 1.0 and the butene/a-olefin interpolymer has a molecular weight distribution, Mw/Mn, greater than about 1.4.

Building integrated photovoltaic having injection molded component

The invention is a photovoltaic device comprising a photovoltaic cell assembly with an injection molded portion connected to at least one edge of the photovoltaic cell assembly where the body portion has properties and a composition enabling robust function over a period of years when the photovoltaic device is mounted on the exterior of a building.

FUNCTIONALIZED BLOCK COMPOSITE AND CRYSTALLINE BLOCK COMPOSITE COMPOSITIONS

The invention provides functionalized block composites and crystalline block composites. In particular, the invention provides a functionalized olefin-based polymer formed from at least (A) and (B): (A) a crystalline block composite comprising: a block copolymer comprising a propylene-based crystalline block and crystalline ethylene-based block; a propylene-based crystalline polymer; and, a crystalline ethylene-based polymer; and (B) at least one functionalization agent or a functionalized olefin-based polymer formed from at least (A) and (B): (A) a crystalline block composite comprising: a block copolymer comprising a propylene-based crystalline block and crystalline ethylene-based block; a propylene-based crystalline polymer; and, a crystalline ethylene-based polymer; and (B) at least one functionalization agent. 1. A composition comprising an olefin-based polymer functionalized by grafting at least one functionalization agent to the olefin-based polymer , the olefin-based polymer comprising: i) a block copolymer comprising a crystalline propylene-based block and an ethylene/α-olefin block;', 'ii) a crystalline propylene-based polymer; and,', 'iii) an ethylene/α-olefin polymer., '(A) a block composite comprising2. A composition comprising an olefin-based polymer functionalized by grafting at least one functionalization agent to the olefin-based polymer , the olefin-based polymer comprising: i) a block copolymer comprising a crystalline propylene-based block and a crystalline ethylene-based block;', 'ii) a crystalline propylene-based polymer; and,', 'iii) a crystalline ethylene-based polymer., '(A) a crystalline block composite comprising3. The composition of wherein the functionalization agent is selected from silane claim 1 , maleic anhydride claim 1 , peroxide claim 1 , and amine.4. The composition of wherein the functionalization agent is selected from silane claim 2 , maleic anhydride claim 2 , peroxide claim 2 , and amine.5. The composition of wherein the ...

A PROCESS TO PRODUCE POLYOLEFIN IONOMERS AND IONOMERS PRODUCED THEREBY

A process to produce an ionomer comprising reacting alkyl-cis-cyclooctene and cis-cyclooctene in a mole ratio from 1:0 to 0:1, in the presence of a difunctional chain transfer agent under ring opening metathesis polymerization conditions to form an unsaturated polyolefin reactive telechelic pre-polymer; hydrogenating the unsaturated polyolefin reactive telechelic pre-polymer to produce a hydrogenated polyolefin reactive telechelic pre-polymer; reacting the hydrogenated polyolefin reactive telechelic pre-polymer with at least one compound according to the formula aM·b(R), wherein M is a metal, x is a charge of M, R is an alkyl, aryl, oxide, or fatty acid, y is a charge of R, a and b are integers of at least 1, and ax+by=0, to form an ionomer is provided. Further provided are ionomers produced thereby. 1. A process to produce an ionomer comprising:reacting alkyl-cis-cyclooctene and cis-cyclooctene in a mole ratio from 1:0 to 0:1, in the presence of a difunctional acid chain transfer agent under ring opening metathesis polymerization conditions to form an unsaturated polyolefin reactive telechelic pre-polymer;hydrogenating the unsaturated polyolefin reactive telechelic pre-polymer to produce a hydrogenated polyolefin reactive telechelic pre-polymer;{'sup': x', 'y, 'reacting the hydrogenated polyolefin reactive telechelic pre-polymer with at least one compound according to the formula aM·b(R), wherein M is a metal, x is a charge of M, R is an alkyl, aryl, oxide, or fatty acid, y is a charge of R, a and b are integers of at least 1, and ax+by=0, to form an ionomer.'}2. The process according to claim 1 , wherein the alkyl-cis-cyclooctene is 3-hexyl-cis-cyclooctene.3. The process according to claim 1 , wherein the chain transfer agent is selected from the group consisting of maleic acid and dicarboxylic acid.4. The process according to claim 1 , wherein cis-cyclooctene is present in the reacting step and the mole ratio of cis-cyclooctene to alkyl-cis-cyclooctene is from 1: ...

Thermoplastic elastomer for cold and wet applications

Thermoplastic elastomer compositions including at least one elastomeric component and at least one semi-crystalline polymer are provided. In particular, thermoplastic elastomer composition characterized by an SRI less than or equal to 1.6 at 10000 Pa-s, and less than 4.5 at 1000 Pa-s for compositions with TMA at 1000 [mu]m greater than 85 DEG C are provided. Also provided are articles made from the thermoplastic eslastomeric compositions.

COMPATIBILIZED POLYOLEFIN BLENDS

A comprising includes one or more polyethylene, one or more polypropylene, one or more polyolefin elastomer, and a crystalline block composite having the following three components: (i) a crystalline ethylene based polymer, (ii) a crystalline propylene based polymer, and (iii) a block copolymer having a crystalline ethylene based block and a crystalline propylene block. The composition of component (i) is the same as the crystalline ethylene based block of the block copolymer and the composition of component (ii) is the same as the crystalline propylene block of the block copolymer. The composition is useful for forming rotomolded articles.

REINFORCED POLYPROPYLENE COMPOSITION

Embodiments of the invention provide a reinforced polypropylene comprising a multi-modal molecular weight distribution elastomer and a block composite. 1. A composition comprising:polypropylene; and,a multi-mode molecular weight distribution elastomer;a block composite; and,optionally, a filler.2. The composition of wherein the multi-mode molecule weight distribution elastomer has a high molecular weight fraction and a low molecular weight fraction.3. The composition of wherein the high molecular weight fraction has a molecular weight of 75 kg/mol to 600 kg/mol.4. The composition of wherein the low molecular weight fraction has a molecular weight of 5 kg/mol to 50 kg/mol.5. The composition of wherein the high molecular weight fraction has a comonomer content that is at least 10% wt greater than that of the low molecular weight fraction. This invention relates to a reinforced polypropylene composition comprising an elastomer and a block composite.Many different polymers and materials have been added to polymer compositions in attempting to enhance the composition's impact strength or maintain the impact strength while enhancing other properties. For example, U.S. Pat. No. 5,118,753 (Hikasa et al.), incorporated herein by reference, discloses thermoplastic elastomer compositions said to have low hardness and excellent flexibility and mechanical properties consisting essentially of a mixture of an oil-extended olefinic copolymer rubber and an olefinic plastic. The olefinic plastic is polypropylene or a copolymer of polypropylene and an alpha-olefin of 2 or more carbon atoms. Modern Plastics Encyclopedia/89, mid October 1988 Issue, Volume 65, Number 11, pp. 110-117, the disclosure of which is incorporated herein by reference, also discusses the use of various thermoplastic elastomers (TPEs) useful for impact modification. These include: elastomeric alloys TPEs, engineering TPEs, olefinic TPEs (also known as thermoplastic olefins or TPOs), polyurethane TPEs and styrenic ...

Reinforced polypropylene composition

The polyolefin elastomer has an I10/I2 from greater than 7.5 to 15.0. The composition may optionally include a filler.

Crystalline block composites as compatibilizers

Embodiments of the invention provide crystalline block composites and their use as compatibilizers.

HOT MELT ADHESIVE COMPOSITION INCLUDING A BLOCK COMPOSITE COMPATIBILIZER

A hot melt adhesive (HMA) composition includes (A) from 1-60 wt % of a block composite compatibilizer comprising (i) a hard polymer that includes propylene, (ii) a soft polymer that includes ethylene, and (iii) a block copolymer having a soft block and a hard block, the hard block of the block copolymer having the same composition as the hard polymer of the block composite compatibilizer and the soft block of the block copolymer having the same composition as the soft polymer of the block composite compatibilizer; (B) from 1-70 wt % of a tackifier; (C) from 1-40 wt % of at least one selected from the group of a wax and an oil; and (D) Optionally, from greater than zero to 97 wt % of a polymer component that includes an ethylene-based polymer and/or a propylene-based polymer. 1. A hot melt adhesive composition , comprising: (i) a hard polymer that includes propylene;', '(ii) a soft polymer that includes ethylene; and', '(iii) a block copolymer having a soft block and a hard block, the hard block of the block copolymer having the same composition as the hard polymer of the block composite compatibilizer and the soft block of the block copolymer having the same composition as the soft polymer of the block composite compatibilizer;, '(A) 1-60 wt % of a block composite compatibilizer comprising(B) 1-70 wt % of a tackifier;(C) 1-40 wt % of at least one selected from the group of a wax and an oil; and(D) Optionally, from greater than zero to 97 wt % of a polymer component that includes an ethylene-based polymer and/or a propylene-based polymer.2. The hot melt adhesive composition as claimed in claim 1 , wherein the composition includes the ethylene-based polymer having a density from 0.86 g/cc to 0.885 g/cc claim 1 , a melt index (I) from 5 g/10 min to 3 claim 1 ,000 g/10 min claim 1 , and a Brookfield viscosity of less than 50 claim 1 ,000 centipoise (cP).3. The hot melt adhesive composition as claimed in claim 1 , wherein the composition includes the propylene-based ...

Single-sided stretch cling film

Disclosed are single-sided stretch cling films having a cling layer, a release layer, and a core layer. The core layer is located between the cling layer and the release layer. The cling layer includes a blend of an olefin block copolymer and an ethylene-based polymer. The present films exhibit improved cling force compared to using a random ethylene copolymer in the cling layer.

Compatibilized polyolefin blends

A comprising includes one or more polyethylene, one or more polypropylene, one or more polyolefin elastomer, and a crystalline block composite having the following three components: (i) a crystalline ethylene based polymer, (ii) a crystalline propylene based polymer, and (iii) a block copolymer having a crystalline ethylene based block and a crystalline propylene block. The composition of component (i) is the same as the crystalline ethylene based block of the block copolymer and the composition of component (ii) is the same as the crystalline propylene block of the block copolymer. The composition is useful for forming rotomolded articles.

MULTILAYERED FILMS, METHODS OF MANUFACTURE THEREOF AND ARTICLES COMPRISING THE SAME

Disclosed herein is a multilayer film comprising a first layer and a second layer; and a tie layer; where the tie layer is disposed between the first layer and the second layer; the first layer being disposed on a first surface of the tie layer; the second layer being disposed on a second surface of the tie layer; where the second surface is opposedly disposed to the first surface; where the tie layer comprises a crystalline block composite and a carboxylated olefin copolymer. 1. A multilayer film comprising:a first layer and a second layer; anda tie layer; where the tie layer is disposed between the first layer and the second layer; the first layer being disposed on a first surface of the tie layer; the second layer being disposed on a second surface of the tie layer; where the second surface is opposedly disposed to the first surface; where the tie layer comprises a crystalline block composite and a carboxylated olefin copolymer.2. The multilayer film of claim 1 , where the carboxylated olefin copolymer is a carboxylated ethylene copolymer or a carboxylated propylene copolymer.3. The multilayer film of claim 1 , where the carboxylated olefin copolymer is a glycidyl methacrylate ethylene copolymer.4. The multilayer film of claim 1 , where the carboxylated olefin copolymer comprises a carboxylated species in an amount of 0.05 to 20 wt % claim 1 , based on the total weight of the carboxylated olefin copolymer.5. The multilayer film of claim 1 , where the tie layer further comprises an elastomer; and where the elastomer is a homogeneously branched ethylene-α-olefin copolymer claim 1 , a polyolefin elastomer claim 1 , a vinyl aromatic block copolymer claim 1 , or a combination comprising at least one of the foregoing elastomers.6. The multilayer film of claim 1 , where the crystalline block composite has a melt flow ratio 0.1 to 30 dg/min claim 1 , when measured as per ASTM D 1238 at 230° C. and 2.16 kilograms.7. The multilayer film of claim 1 , where the crystalline ...

Crystalline block composites as compatibilizers

Embodiments of the invention provide crystalline block composites and their use as compatibilizers.

Block composites and impact modified compositions

Embodiments of the invention provide block composites and their use as impact modifiers.

Block composites in thermoplastic vulcanizate applications

Embodiments of the invention provide block composites and their use in thermoplastic vulcanizate compounds.

Impact modification of thermoplastics with ethylene/alpha-olefin interpolymers

Impact modified compositions having good impact performance can be made from a thermoplastic (e.g., a polyolefin such as polypropylene or HDPE) and a multi-block ethylene/a- olefin interpolymer. The compositions are easily molded and often have particular utility in making, for example, automotive facia, parts and other household articles.

TPO COMPOSITIONS, ARTICLES, AND METHODS OF MAKING THE SAME

The invention provides a polyolefin composition comprising: A) a propylene-based polymer having a flex modulus of greater than 1500 MPa and an HDT of greater than 100° C.; B) an ethylene/α-olefin interpolymer having Tg of less than −30° C., a tan delta, measured at 0.1 radians/s at 190° C., of less than 3, an HDT that is greater than, or equal to, the peak melting temperature of the ethylene/α-olefin interpolymer, measured by differential scanning calorimetry; and C) a fiber filler; and D) a nitrogen source and/or a phosphorus source, wherein at least one source is derived from at least one organic compound, or salt thereof; and wherein the weight ratio of the propylene-based polmer:ethylene/α-olefin interpolymer (A:B) is from 9:1 to 6:4. 1. A polyolefin composition comprising:A) a propylene-based polymer having a flex modulus of greater than 1500 MPa and an HDT of greater than 100° C.;B) an ethylene/α-olefin interpolymer having Tg of less than −30° C., a tan delta, measured at 0.1 radians/s at 190° C., of less than 3, an HDT that is greater than, or equal to, the peak melting temperature of the ethylene/α-olefin interpolymer, measured by differential scanning calorimetry; andC) a fiber filler; andD) a nitrogen source and/or a phosphorus source, wherein at least one source is derived from at least one organic compound, or salt thereof; andwherein the weight ratio of the propylene-based polymer:ethylene/α-olefin interpolymer (A:B) is from 9:1 to 6:4.2. The composition of claim 1 , wherein the filler is a calcium-based filler.3. The composition of claim 1 , wherein the sum weight of components A claim 1 , B claim 1 , C and D is greater than claim 1 , or equal to claim 1 , 95 weight percent claim 1 , based on the total weight of the composition.4. The composition of claim 1 , wherein the composition has a heat deflection temperature (HDT) of greater than about 100° C. claim 1 , and a flexural modulus of greater than about 1930 MPa.5. The composition of claim 1 , ...

Polyolefin-Based Artificial Leather

Artificial leather comprising a multi-layer structure comprises a top coating layer, a middle foam layer, and a bottom fabric layer. The top coating layer comprises a propylene- alpha-olefin copolymer in combination with one or more elastomeric compounds, the foam layer also comprises a propylene-alpha-olefin copolymer in combination with one or more elastomeric compounds plus a blowing agent, and the fabric layer comprises a nonwoven spunbond material. 1. A multilayer structure comprising:A. A top skin layer comprising a propylene/alpha-olefin copolymer and at least one of (i) a styrenic block copolymer, (ii) a homogeneously branched ethylene/alpha-olefin copolymer, (iii) an olefin block copolymer, and (iv) a random polypropylene copolymer;B. A middle foam layer comprising a propylene/alpha-olefin copolymer and at least one of (i) a styrenic block copolymer, (ii) a homogeneously branched ethylene/alpha-olefin copolymer, (iii) an olefin block copolymer, and (iv) a random polypropylene copolymer; andC. A bottom fabric layer comprising a nonwoven, polymeric, spunbond material.2. The multilayer structure of further comprising a primer layer in contact with the top skin layer claim 1 , and a top coating layer in contact with the primer layer.3. The multilayer structure of in which the propylene/alpha-olefin copolymer is a propylene-ethylene copolymer having substantially isotactic propylene sequences.4. The multilayer structure of in which styrenic block copolymer comprises at least two mono-alkenyl arene blocks claim 1 , separated by a block of saturated conjugated diene comprising less than 20% residual ethylenic unsaturation.5. The multilayer structure of in which the homogeneously branched ethylene/alpha-olefin copolymer is made using a single-site catalyst claim 1 , has a melting point of less than 95 C claim 1 , and has an α-olefin content of at least 15 weight percent based on the weight of the copolymer.7. The multilayer structure of in which the random ...

ETHYLENIC POLYMER AND ITS USE

Ethylenic polymers comprising low levels of total unsaturation are disclosed. Compositions using such ethylene polymers and fabricated articles made from them are also disclosed. 1. An ethylenic polymer comprising an overall polymer density of not more than 0.905 g/cm; total unsaturation of not more than 125 per 100 ,000 carbons; and a GI200 gel rating of not more than 15; up to 3 long chain branches/1000 carbons; vinyl-3 content of less than 5 per 100 ,000 carbons;{'sub': 'n', 'sup': '1', 'and a total number of vinyl groups/1000 carbons of less than the quantity (8000/M), wherein the vinyl-3 content and vinyl group measurements are measured by gel permeation chromatography (145° C.) and H-NMR (125° C.).'}3. An ethylenic polymer comprising total unsaturation of from about 10 to about 125 per 100 ,000 carbons total unsaturation; and up to 3 long chain branches/1000 carbons; and a G1200 gel rating of not more than 15.4. The ethylenic polymer of further comprising a vinyls amount and a total unsaturation amount claim 1 , wherein the ratio of vinyls amount:total unsaturation amount is at least 0.2:1 claim 1 , and wherein the ethylenic polymer has less than 5 per 100 claim 1 ,000 carbons of vinyl-3 content.5. The ethylenic polymer of further comprising a vinyls amount and a total unsaturation amount claim 1 , wherein the ratio of vinyls amount:total unsaturation amount is at least 0.3:1.6. The ethylenic polymer of wherein the ratio of vinyls amount:total unsaturation amount is at least 0.4:1.7. The ethylenic polymer of wherein the ratio of vinyls amount: total unsaturation amount is from about 0.4:1 to about 0.8:1.8. The ethylenic polymer of claim 1 , wherein the polymer has less than 5 per 100 claim 1 ,000 carbons of vinyl-3 content.9. A composition comprising claim 1 , or made from claim 1 , at least one ethylenic polymer of claim 1 , wherein at least a portion of the ethylenic polymer has been cross-linked.10. A composition comprising claim 1 , or made from claim 1 , ...

BLOCK COMPOSITES AND IMPACT MODIFIED COMPOSITIONS

Embodiments of the invention provide block composites and their use as impact modifiers. 1. A formulated composition comprising:a) polypropylene;b) a combatibilizer; and,c) optionally an elastomer{'sup': '2', 'wherein the composition exhibits an Izod strength in kJ/mas measured by ASTM D256 or ISO180 at 0° C. or 23° C. that is at least 10% higher than that of the composition without (b); and exhibits a flexural modulus that is less than 10% reduced as compared to that of the composition without (b).'}2. The composition of wherein (b) has a Tm>100° C. and the composition has a dispersed rubber weight average particle size of <1 μm.3. The composition of wherein (b) is a block composite having a Block Composite Index ≧0.10.4. The composition of wherein the block composite comprises a diblock having an isotactic polypropylene block and an ethylene-propylene block.5. The composition of wherein the isotactic polypropylene block is present in an amount of 25 wt % to 75 wt % claim 4 , preferably from 40 wt % to 60 wt %.6. The composition of wherein the ethylene content of the ethylene-propylene block is 40 wt % to 85 wt %.7. The composition of wherein the block composite has a melt flow rate at 230° C. and 2.16 kg of 0.5 to 8 dg/min.8. An impact modified composition comprising:a) polypropylene; and,b) a block composite wherein the block composite comprises a soft copolymer, a hard polymer and a block copolymer having a soft segment and a hard segment, wherein the hard segment of the block copolymer is the same composition as the hard polymer in the block composite and the soft segment of the block copolymer is the same composition as the soft copolymer of the block compositewherein the block composite is present in an amount of 0.5 wt % to 20 wt % and the composition has a ductile to brittle transition temperature of at least 2° C. less as compared to the composition without (b).9. The composition of wherein the polypropylene is selected from the group consisting of low ...

Interpolymers Suitable for Multilayer Films

The present invention relates to compositions and processes of making and using interpolymers having a controlled molecular weight distribution. Multilayer films and film layers derived from novel ethylene/α-olefin interpolymers are also disclosed. 1. (canceled)2. An ethylene/α-olefin interpolymer which has(i) a DSC curve characterized by an area under the DSC curve from the melting peak temperature to the end of melting is at least about 17% of the total area under the DSC melting curve from −20° C. to the end of melting;(ii) a density from about 0.875 g/cc to about 0.915 g/cc; and{'sub': 10', '2, '(iii) a I/Ifrom 5.5 to 6.5.'}3. The ethylene/α-olefin interpolymer of having less than 0.01 long chain branches per 1000 carbon atoms.4. The ethylene/α-olefin interpolymer of which has a DSC curve characterized by an area under the DSC curve from the melting peak temperature to the end of melting is at least about 18% of the total area under the DSC melting curve from −20° C. to the end of melting.5. The ethylene/α-olefin interpolymer of which has a DSC curve characterized by an area under the DSC curve from the melting peak temperature to the end of melting is from at least about 18% to about 35% of the total area under the DSC melting curve from −20° C. to the end of melting.6. The ethylene/α-olefin interpolymer of which has a DSC curve characterized by an area under the DSC curve from the melting peak temperature to the end of melting is at least about 20% of the total area under the DSC melting curve from −20° C. to the end of melting.7. The ethylene/α-olefin interpolymer of which has a density from about 0.895 g/cc to about 0.910 g/cc.8. The ethylene/α-olefin interpolymer of wherein the I/Iis from about 5.6 to about 6.3.9. The ethylene/α-olefin interpolymer of wherein the interpolymer has a molecular weight distribution in the range from about 2.0 to about 3.8.10. The ethylene/α-olefin interpolymer of wherein the interpolymer has a molecular weight distribution in ...

Rubber filled oriented polymer composition article

Including crosslinked rubber particles in an oriented polymer composition induces cavitation in the oriented polymer composition and can increases the scratch and mar resistance as well as fibrillation resistance.

Impact Modification of Thermoplastics with Ethylene/Alpha-Olefin Interpolymers

Impact modified compositions having good impact performance can be made from a thermoplastic (e.g., a polyolefin such as polypropylene or HDPE) and a multi-block ethylene/α-olefin interpolymer. The compositions are easily molded and often have particular utility in making, for example, automotive facia, parts and other household articles. 1A) a thermoplastic polymer composition; andB) an impact-modifying amount of a multi-block ethylene/α-olefin interpolymer comprising hard segments and soft segments,wherein the amount of the hard segments is at least 30 weight percent, based on the total weight of the multi-block ethylene/α-olefin interpolymer, and wherein the multi-block ethylene/α-olefin interpolymer: {'br': None, 'i': T', 'd', 'd, 'sub': 'm', 'sup': '2', '>−2002.9+4538.5()−2422.2(); or'}, '(a) has a Mw/Mn from about 1.7 to about 3.5, at least one melting point, Tm, in degrees Celsius, and a density, d, in grams/cubic centimeter, wherein the numerical values of Tm and d correspond to the relationship [{'br': None, 'i': T>−', 'H, 'Δ0.1299(Δ)+62.81 for ΔH greater than zero and up to 130 J/g,'}, {'br': None, 'i': 'T≧', 'Δ48° C. for ΔH greater than 130 J/g,'}], '(b) has a Mw/Mn from about 1.7 to about 3.5, and is characterized by a heat of fusion, ΔH in J/g, and a delta quantity, ΔT, in degrees Celsius defined as the temperature difference between the tallest DSC peak and the tallest CRYSTAF peak, wherein the numerical values of ΔT and ΔH have the following relationships. An impact modified composition comprising: {'br': None, 'i': Re>', 'd, '1481−1629(); or'}, '(c) is characterized by an elastic recovery, Re, in percent at 300 percent strain and 1 cycle measured with a compression-molded film of the multi-block ethylene/α-olefin interpolymer, and has a density, d, in grams/cubic centimeter, wherein the numerical values of Re and d satisfy the following relationship when ethylene/α-olefin interpolymer is substantially free of a cross-linked phase(d) has a molecular ...

Polymeric Composition and Sealant Layer with Same

Disclosed herein is a polymeric composition. The polymeric composition includes: (A) a propylene-based polymer; (B) an ethylene/a-olefin polymer; (C) a block composite comprising: i) a propylene-based crystalline polymer; ii) an ethylene/a-olefin polymer; and iii) a block copolymer comprising a propylene-based crystalline block and an ethylene/a-olefin block. The polymeric composition provides improved heat seals when formed into film, film layer, or flexible containers such as retort pouch. 1. A polymeric composition comprising:(A) a propylene-based polymer;(B) at least 50 weight percent, based on the sum weight of (A) and (B), of an ethylene/α-olefin copolymer with a density less than or equal to 0.91 g/cc; and i) a propylene-based crystalline polymer;', 'ii) an ethylene/α-olefin polymer; and', 'iii) a block copolymer comprising a propylene-based crystalline block and an ethylene/α-olefin block., '(C) a block composite comprising2. The polymeric composition of wherein the propylene-based polymer (A) is selected from the group consisting of propylene homopolymer and propylene/ethylene copolymer.3. The polymeric composition of wherein the ethylene/α-olefin copolymer (B) comprises a homogeneously branched ethylene/α-olefin copolymer.4. The polymeric composition of wherein the ethylene/α-olefin copolymer (B) comprises a substantially linear ethylene polymer.5. The polymeric composition of wherein the ethylene/α-olefin polymer has a melt index from 0.5 g/10 min to 25 g/10 min.6. The polymeric composition of wherein the block copolymer (C)(iii) comprises a diblock with the formula (I) below:{'br': None, '(EP)−(iPP)\u2003\u2003(1)'}wherein EP represents a segment of polymerized ethylene and propylene monomeric units, and iPP represents a segment of isotactic propylene homopolymer.7. The polymeric composition of claim 1 , wherein block composite (C) comprises greater than 15 wt % of C(iii) claim 1 , based on the total weight of block composite (C).8. The polymeric ...

Polymeric Composition with Sealant Layer with Same

Disclosed herein is a polymeric composition. The polymeric composition includes: (A) a propylene/a-olefin interpolymer; (B) an ethylene-based polymer; (C) a block composite comprising: i) a propylene-based crystalline polymer; ii) an ethylene/a-olefin polymer; and iii) a block copolymer comprising a propylene-based crystalline block and an ethylene/a-olefin block. The polymeric composition provides improved heat seals when formed into film, film layer, or flexible containers such as a retort pouch. 1. A polymeric composition comprising:(A) a propylene/α-olefin interpolymer;(B) an ethylene-based polymer; i) a propylene-based crystalline polymer;', 'ii) an ethylene/α-olefin polymer; and', 'iii) a block copolymer comprising a propylene-based crystalline block and an ethylene/α-olefin block., '(C) a block composite comprising2. The polymeric composition of wherein Component (A) comprises a propylene/ethylene copolymer having a density from 0.85 g/cc to 0.90 g/cc.32. The polymeric composition of any of - wherein Component (A) has a melt flow rate from 0.5 g/10 min to 10 g/min.43. The polymeric composition of any of - wherein Component (B) comprises an ethylene-based polymer having a density greater than 0.941 g/cc.54. The polymeric composition of any of - wherein Component (B) has a melt index from 1.0 g/10 min to 20.0 g/10 min.65. The polymeric composition of any of - wherein the block copolymer (C)(iii) comprises a diblock with the formula (1) below:{'br': None, '(EP)−(iPP) \u2003\u2003(1)'}wherein EP represents a segment of polymerized ethylene and propylene monomeric units, and iPP represents a segment of isotactic propylene homopolymer.76. The polymeric composition of any of - claims 1 , wherein block composite (C) comprises greater than 15 wt % of C(iii) claims 1 , based on the total weight of block composite (C).87. The polymeric composition of any of - wherein block composite (C) has a density from 0.88 g/cc to 0.90 g/cc and a melt index from 1 g/10 min to 50 g/ ...

Composition Comprising Propylene-Alpha-Olefin Copolymer, Olefin Block Copolymer and DPO-BSA Molecular Melt

Compositions comprising (A) propylene-alpha-olefin copolymer, (B) olefin block copolymer, and (C) DPO-BSA molecular melt (MM) are useful in the preparation of the top skin layer of artificial leather multi-layer structures. 1. A composition comprising (A) propylene-alpha-olefin copolymer , (B) olefin block copolymer , and (C) DPO-BSA molecular melt (MM).2. The composition of in which the propylene-alpha-olefin copolymer comprises from 20 to 90 weight percent (wt %) of the composition claim 1 , and the olefin block copolymer comprises from 20 to 90 wt % of the composition.3. The composition of in which the DPO-BSA MM comprises at least 300 parts per million (ppm) of the composition.4. The composition of in which the DPO-BSA MM comprises a coupling agent and antioxidant at a coupling agent to antioxidant mole ratio from 1:10 to 10:1.5. The composition of further comprising at least one of a styrenic block interpolymer claim 3 , a homogeneously branched ethylene/alpha-olefin interpolymer claim 3 , and a random polypropylene interpolymer.6. A top layer of an artificial leather multi-layer structure claim 3 , the top layer made from the composition of .7. An artificial leather multi-layer structure comprising the top layer made from the composition of .8. An article comprising the artificial leather multi-layer structure of .9. A process for making a composition claim 7 , the process comprising the steps of:A. Dry blending (1) a DPO-BSA molecular melt (MM), (2) a propylene-alpha-olefin copolymer, (3) an olefin block copolymer (OBC), and (4) optional ingredients;B. Compounding the dry blend of (A) under a temperature at which the propylene-alpha-olefin copolymer and OBC are melted but the MM is not activated, andC. Activating the MM so as to initiate coupling/crosslinking of the propylene-ethylene copolymer and OBC.10. The process of in which the dry blend of (A) is compounded at a temperature from 130 to 150° C. claim 9 , and the MM is activated at a temperature in ...

RETORTABLE EASY OPENING SEALS FOR FILM EXTRUSION

A composition of matter particularly well suited for use as a peelable seal layer is described. The composition comprises from about 50 to about 85 percent by weight of a first polymer and from 15 to 50 percent of a second polymer. The first polymer is a propylene based polymer characterized by having a melting point of at least 125° C. together with a Comonomer Composition Distribution Breadth (“CCDB”) less than 2. The second polymer is characterized by having an interfacial adhesion with the first polymer of less than 1 lb/inch. 1. A composition suitable for use as a peelable seal layer comprising: i. a melting point of at least 125° C.;', 'ii. a Comonomer Composition Distribution Breadth less than 2;, 'a. from about 50 to about 90 percent by weight of a first polymer comprising a propylene based polymer characterized by havingb. from about 10 to about 50 percent by weight of a second polymer which has interfacial adhesion with the first polymer of less than 4.5 N/inch.2. The composition of wherein the second polymer is a high pressure low density polyethylene.3. The composition of wherein the high pressure low density polyethylene has an MI of 0.5 to 10 g/10 min.4. The composition of wherein the high pressure low density polyethylene has a density of from 0.94 to 0.96 g/cm.5. The composition of wherein the first polymer has an MFR of from 0.5 to 30 g/10 min.6. The composition of wherein the first polymer has an MFR of from 5 to 20 g/10 min.7. The composition of wherein the first polymer has an MWD less than 3.8. The composition layer of wherein the first polymer comprises less than 5% of units derived from a monomer other than propylene.9. The composition of wherein the first polymer has a CCDB less than 1.10. The composition of where the first polymer comprises from 60 to 80 percent by weight of the composition.11. The composition of where the second polymer comprises from 20 to 40 percent by weight of the composition.12. The composition of further comprising an ...

Thermoplastic Elastomer for Cold and Wet Applications

Thermoplastic elastomer compositions including at least one elastomeric component and at least one semi-crystalline polymer are provided. In particular, thermoplastic elastomer composition characterized by an SRI less than or equal to 1.6 at 10000 Pa s, and less than 4.5 at 1000 Pa s for compositions with TMA at 1000 μm greater than 85° C. are provided. Also provided are articles made from the thermoplastic elastomeric compositions. 1. A first thermoplastic elastomer composition comprising at least one elastomeric polymer , component A , selected from the group of ethylene/α-olefin interpolymers and propylene/α-olefin interpolymers , at least one semi-crystalline polymer , component B , selected from the group of polypropylene homopolymers , propylene/ethylene copolymers and high density polyethylene , at least one oil , and at least one filler wherein the first thermoplastic elastomer composition is characterized by an SRI less than or equal to 1.6 at 10000 Pa-s , and less than 4.5 at 1000 Pa-s for compositions with TMA greater than 85° C.2. The first thermoplastic elastomer composition according to characterized by an SRI less than or equal to 1.5 at 10000 Pa s.3. The first thermoplastic elastomer composition of claim 1 , further characterized by a hardness in the range of 40-85 Shore A claim 1 , tensile strength from 2 to 8 MPa claim 1 , elongation>400% claim 1 , and compression set at 40° C. from 30 to 75% as measured by ISO 815 claim 1 , Type B method.4. The first thermoplastic elastomer composition of claim 1 , wherein the component A is one or more EPDM.5. The first thermoplastic elastomer composition of claim 1 , wherein the component A is one or more olefin block copolymer claim 1 , in combination in an amount from 20 wt % to 50 wt % based on the total weight of the first thermoplastic elastomer composition.6. The first thermoplastic elastomer composition of claim 1 , wherein the elastomeric polymer claim 1 , component A claim 1 , is an ethylene/α-olefin ...

Compositions, Methods of Making the Same, and Articles Prepared from the Same

A composition comprising at least the following components: (A) a first composition comprising the following: i) a first interpolymer comprising, in polymerized form, ethylene, an α-olefin, and a nonconjugated polyene; ii) a second interpolymer comprising, in polymerized form, ethylene, an α-olefin and a nonconjugated polyene; and wherein the first composition has an MWD less than, or equal to, 3.5, a Mooney Viscosity (ML (1+4 @125° C.)) greater than, or equal to, 80, and an [(ML(1+4 @125° C.))/Mw(conv)]*1000 greater than 0.429 mole/g; (B) a thermoplastic polymer; and (C) a vulcanization agent is provided. A crosslinked composition made by heating one or more of the inventive compositions is also provided. Articles made from one or more of the inventive compositions are also provided. 1. A composition comprising at least the following components: i) a first interpolymer comprising, in polymerized form, ethylene, an α-olefin, and a nonconjungated polyene;', 'ii) a second interpolymer comprising, in polymerized form, ethylene, an α-olefin and a nonconjungated polyene; and, '(A) a first composition comprising the followingwherein the first composition has an MWD less than, or equal to 3.5, a Mooney Viscosity (ML (1+4, 125° C.)) greater than, or equal to, 80, and an [(ML 1+4, 125° C.))Mw(conv)]*1000 greater than 0.429 mole/g;(B) a thermoplastic polymer; and(C) a vulcanization agent; selected from the group consisting of polypropylene hompolymers, propylene/ethylene copolymers, propylene/α-olefin copolymers and combinations thereof.2. The composition according to claim 1 , wherein the first composition has a Mooney Viscosity ML (1+4 claim 1 , 125° C.)) from 80 to 200.3. The composition according to claim 1 , wherein the first composition comprises greater than or equal to 65 wt % ethylene claim 1 , based on the total weight of the first composition claim 1 , as measured by FTIR.4. The composition according to claim 1 , wherein the first composition has an overall ...

FOAMABLE COMPOSITIONS, FOAMS AND ARTICLES THEREOF

A foamable composition comprising at least an olefin block copolymer, an olefin copolymer, an oil, a blowing agent and a crosslinking agent is provided. The olefin block copolymer has a Mw/Mn from 1.7 to 3.5, and at least one melting point, Tm, in degrees Celsius, and a density, d, in gram/cubic centimeter, wherein the numerical values of Tm and d correspond to the relationship: Tm>−2002.9+4538.5(d)−2422.2(d). Foams, laminates, articles and wetsuits made from the foams are also provided. 1. A foamable composition comprising: {'br': None, 'i': Tm>−', 'd', 'd, 'sup': '2', '2002.9+4538.5()−2422.2();'}, 'a) one or more olefin block copolymers having a Mw/Mn from 1.7 to 3.5, and at least one melting point, Tm, in degrees Celsius, and a density, d, in grams/cubic centimeter, wherein the numerical values of Tm and d correspond to the relationshipb) one or more olefin copolymers;c) an oil;d) a crosslinking agent; and,e) a blowing agent.2. The foamable composition of wherein one or more of the olefin block copolymers is mesophase separated and has a delta comonomer of greater than 18.5 mol %.3. The foamable composition of wherein the olefin copolymer comprises ethylene-propylene-diene monomer rubber and/or an ethylene/α-olefin copolymer.4. The foamable composition of whereina) the olefin block copolymer is present in an amount of 5 wt % to 40 wt %, preferably 10 wt % to 30 wt %, more preferably 10 wt % to 25 wt %;b) the ethylene-propylene-diene-monomer rubber is present in an amount of 5 wt % to 40 wt %, preferably 5 wt % to 30 wt %;c) the mineral oil is present in an amount of 15 wt % to 45 wt %, preferably 20 wt % to 40 wt %, more preferably 25 wt % to 35 wt %;d) the crosslinking agent is present in an amount of 1-6 phr, preferably 2-5 phr;e) the blowing agent is present in an amount of 1-8 phr, preferably 2-6.5. A foam made from the foamable composition of .6. The foam of having a density of 0.05 g/cc to 0.2 g/cc claim 5 , a 60% modulus of 0.60 Kg/cmto 1.50 Kg/cm claim 5 ...

CAPPED MULTI- OR DUAL-HEADED COMPOSITIONS USEFUL FOR CHAIN SHUTTLING AND PROCESS TO PREPARE THE SAME

The present disclosure relates to a capped, multi- or dual-headed chain composition comprising derivatives of a strained olefin. The present disclosure further relates to a process for synthesizing the capped, multi- or dual-headed composition by using an organometallic compound and a co-catalyst in the presence of a catalyst precursor and a strained olefm. The present disclosure further relates to use of the compositions, as well as the process to make the same, in olefin polymerization. 5. The composition of having the following structural formula:wherein:{'sub': '1-20', 'J1 is hydrogen or a Calkyl group; and'}{'sub': '4-100', 'ZZ is a linear or branched Chydrocarbyl group that optionally includes at least one heteroatom, and wherein ZZ may be aliphatic or aromatic.'}6. The composition of claim 5 , wherein YY is a derivative of an alpha claim 5 , omega-diene.14. The process of claim 9 , wherein the organometallic compound comprises a trivalent metal claim 9 , a divalent metal claim 9 , or a mixture of a trivalent metal and a divalent metal.15. A polymerization process for preparing a polymer composition claim 9 , the process comprising:contacting at least one olefin monomer with a catalyst composition; wherein{'claim-ref': {'@idref': 'CLM-00001', 'claim 1'}, 'the catalyst composition comprises the reaction product of a second catalyst precursor, a co-catalyst, and the composition of .'}16. A polymerization process for preparing a polymer composition claim 9 , the process comprising:contacting at least one olefin monomer with a catalyst composition; wherein{'claim-ref': {'@idref': 'CLM-00009', 'claim 9'}, 'the catalyst composition comprises the reaction product of a second catalyst precursor, a co-catalyst, and the composition prepared according to the process of .'}17. A polymerization process for preparing a polymer composition claim 9 , the process comprising:contacting at least one olefin monomer with a catalyst composition;{'claim-ref': {'@idref': 'CLM-00009', ...

Thermoplastic vulcanizate including rubber block interpolymer

A thermoplastic vulcanizate composition includes (a) a crystalline thermoplastic polyolefin comprising alpha-olefin monomers having from 2 to 5 carbon atoms, (b) a rubber block interpolymer comprising a first block and a second block having differing chemical or physical properties from the first block, the first block is derived from ethylene, a first alpha-olefin monomer having from 3 to 10 carbon atoms, and a first diene monomer having from 2 to 25 carbon atoms, the second block is derived from ethylene, a second alpha-olefin monomer having from 3 to 10 carbon atoms, and optionally a second diene monomer having from 2 to 25 carbon atoms, and an amount of the block interpolymer in the composition being greater than an amount of the thermoplastic polyolefin in the composition, and (c) a curative system.

POLYOLEFIN BLENDS INCLUDING COMPATIBILIZER

A composition comprising from 10 wt % to 90 wt % of an ethylene component including at least one ethylene based polymer having an ethylene content of at least 50.0 wt %, a melt index from 0.1 g/10 min to 100.0 g/10 min, and a density from 0.935 g/cmto 0.965 g/cm; from 10 wt % to 90 wt % of a propylene component including at least one propylene based polymer having a propylene content of at least 50.0 wt % and a melt flow rate from 0.5 g/10 min to 200.0 g/10 min; and from 1 wt % to 20 wt % of a composite component including a specified block composite, derived from at least ethylene and an alpha-olefin. 1. A composition , comprising:{'sup': 3', '3, '(A) from 10 wt % to 90 wt % of an ethylene component including at least one ethylene based polymer having an ethylene content of at least 50.0 wt %, based on the total weight of the ethylene based polymer, a melt index from 0.1 g/10 min to 100.0 g/10 min (ASTM D-1238 at 190° C., 2.16 kg), and a density from 0.935 g/cmto 0.965 g/cm;'}(B) from 10 wt % to 90 wt % of a propylene component including at least one propylene based polymer having a propylene content of at least 50.0 wt %, based on the total weight of the propylene based polymer, and a melt flow rate from 0.5 g/10 min to 200.0 g/10 min (ASTM D-1238 at 230° C., 2.16 kg);{'sub': '3-10', '(C) from 1 wt % to 20 wt % of a composite component including a specified block composite, derived from at least ethylene and an alpha-olefin that is one of a Calpha-olefin, whereinthe specified block composite includes an ethylene based polymer having an ethylene content from 69 mol % and to 90 mol %, an alpha-olefin based polymer that is derived from at least the alpha-olefin, and a block copolymer comprising an ethylene block and an alpha-olefin block, the ethylene block of the block copolymer having the same composition as the ethylene based polymer in the block composite, and the alpha-olefin block of the block copolymer having the same composition as the alpha-olefin based ...

A POLYOLEFIN BLEND COMPOSITION AND ARTICLES MADE THEREFROM

The instant invention provides a polyolefin blend composition, process for producing the same, and articles made therefrom. The polyolefin blend composition according to the present invention comprises: (a) from 75 to 97 percent by weight of one or more random propylene copolymers having a DSC melting point in the range of from 120° C. to 160° C., and a melt flow rate (MFR) in the range of from 1 to 120 g/10 minutes; (b) from 3 to 25 percent by weight of one or more ethylene ?-olefin copolymers having a melt index (I2) in the range of from 100 to 1500 g/10 minutes, a density in the range of 0.860 to 0.910 g/cm3, and a molecular weight (Mw) in the range of from 10,000 to 50,000 g/mole, wherein said ethylene ?-olefin copolymer is homogenously branched copolymer, and wherein said ethylene ?-olefin copolymer is linear or substantially linear; (c) optionally from 5 to 15 percent by weight of one or more propylene ?-olefin interpolymers having a DSC melting point in the range of less than 110° C., a heat of fusion in the range of less than 50 Joules/gram, and a crystallinity in the range of from at least 1 percent by to 40 percent by weight, and a melt flow rate in the range of less than 80 g/10 minutes. 1. A polyolefin blend composition comprising:(a) from 75 to 97 percent by weight of one or more random propylene copolymers having a DSC melting point in the range of from 120° C. to 160° C., and a melt flow rate (MFR) in the range of from 5 to 120 g/10 minutes;{'sub': 2', 'w, 'sup': '3', '(b) from 3 to 25 percent by weight of one or more an ethylene α-olefin copolymers having a melt index (I) in the range of from 100 to 1500 g/10 minutes, a density in the range of 0.860 to 0.910 g/cm, and a molecular weight (M) in the range of from 10,000 to 50,000 g/mole, wherein said ethylene α-olefin copolymer is homogenously branched copolymer, and wherein said ethylene α-olefin copolymer is linear or substantially linear;'}(c) optionally from 5 to 15 percent by weight of one or more ...

PROCESS TO PRODUCE A POLYOLEFIN REACTIVE TELECHELIC PRE-POLYMER

A process to produce a polyolefin reactive telechelic pre-polymer comprising reacting alkyl-c/5-cyclooctene and optionally czs-cyclooctene, in the presence of a multifunctional chain transfer agent possessing two or more amino groups wherein the two or more amino groups are protected by one or more protecting groups under ring opening metathesis polymerization conditions to form a dicarbamate telechelic unsaturated polyolefm pre-polymer is provided. 1. A process to produce a polyolefin reactive telechelic pre-polymer comprising:reacting alkyl-cis-cyclooctene and optionally cis-cyclooctene, in the presence of a multifunctional chain transfer agent possessing two or more amino groups wherein the two or more amino groups are protected by one or more protecting groups under ring opening metathesis polymerization conditions to form a dicarbamate telechelic unsaturated polyolefin pre-polymer.2. The process according to claim 1 , further comprising partially hydrogenating the dicarbamate telechelic unsaturated polyolefin pre-polymer to produce a saturated polyolefin dicarbamate telechelic pre-polymer.3. The process according to claim 2 , further comprising removing the one or more protecting groups from the saturated polyolefin dicarbamate telechelic pre-polymer.4. The process according to claim 1 , wherein the alkyl-cis-cyclooctene is 3-hexyl-cis-cyclooctene.5. The process according to claim 1 , wherein the chain transfer agent is di-tert-butyl but-2-ene-1 claim 1 ,4-diyl(E)-dicarbamate.6. The process according to claim 3 , wherein the removing the one or more protecting groups is achieved by contacting the dicarbamate telechelic polyolefin pre-polymer with an acid.7. A diamino telechelic polyolefin pre-polymer produced according to the process of .8. A process for producing a crosslinked polymer comprising contacting a diamino telechelic saturated polyolefin pre-polymer according to with one or more polyfunctional compounds which is reactive with the telechelic pre- ...

A POLYOLEFIN REACTIVE TELECHELIC PRE-POLYMER

A dicarbamate telechelic unsaturated polyolefin pre-polymer comprising a reaction product of reacting alkyl-cis-cyclooctene and optionally cis-cyclooctene, in the presence of a multifunctional chain transfer agent possessing two or more amino groups wherein the two or more amino groups are protected by one or more protecting groups under ring opening metathesis polymerization conditions is provided. 1. A process for preparing a dicarbamate telechelic unsaturated polyolefin pre-polymer , the process comprising:reacting alkyl-cis-cyclooctene, and optionally cis-cyclooctene, in the presence of a multifunctional chain transfer agent possessing two or more amino groups, wherein the two or more amino groups are protected by one or more protecting groups under ring opening metathesis polymerization conditions.2. A process for preparing a saturated polyolefin dicarbamate telechelic pre-polymer comprising one or more protecting groups , the process comprising:{'claim-ref': {'@idref': 'CLM-00001', 'claim 1'}, 'at least partially hydrogenating the dicarbamate telechelic unsaturated polyolefin pre-polymer prepared by the process of .'}3. A process for preparing a polyolefin reactive telechelic pre-polymer , the process comprising:{'claim-ref': {'@idref': 'CLM-00002', 'claim 2'}, 'removing the one or more protecting groups from the saturated polyolefin dicarbamate telechelic pre-polymer prepared by the process of .'}6. (canceled)7. (canceled)11. (canceled) The disclosure relates to a process to produce a polyolefin reactive telechelic pre-polymer.Polyolefins are useful materials as high molar mass polymers. The high chemical and oxidation resistance coupled with the competitive price of saturated polyolefins materials make them highly desirable to the plastics industry. It has been demonstrated that controlled inclusion of functional groups on the polyolefins can lead to remarkable property enhancements. However, despite the vast number of materials and applications derived from ...

FUNCTIONALIZED BLOCK COMPOSITE AND CRYSTALLINE BLOCK COMPOSITE COMPOSITIONS

The invention provides functionalized block composites and crystalline block composites. In particular, the invention provides a functionalized olefin-based polymer formed from at least (A) and (B): (A) a crystalline block composite comprising: a block copolymer comprising a propylene-based crystalline block and crystalline ethylene-based block; a propylene-based crystalline polymer; and, a crystalline ethylene-based polymer; and (B) at least one functionalization agent or a functionalized olefin-based polymer formed from at least (A) and (B): (A) a crystalline block composite comprising: a block copolymer comprising a propylene-based crystalline block and crystalline ethylene-based block; a propylene-based crystalline polymer; and, a crystalline ethylene-based polymer; and (B) at least one functionalization agent. 1. A composition comprising a functionalized olefin-based polymer formed from at least (A) and (B): i) a block copolymer comprising a crystalline propylene-based block and an ethylene/α-olefin block;', 'ii) a crystalline propylene-based polymer; and,', 'iii) an ethylene/α-olefin polymer; and, '(A) a block composite comprising(B) at least one functionalization agent.2. A composition comprising a functionalized olefin-based polymer formed from at least (A) and (B): i) a block copolymer comprising a crystalline propylene-based block and an crystalline ethylene-based block;', 'ii) a crystalline propylene-based polymer; and,', 'iii) an crystalline ethylene-based polymer; and, '(A) a crystalline block composite comprising(B) at least one functionalization agent.3. The composition of wherein the functionalization agent is selected from silane claim 1 , maleic anhydride claim 1 , peroxide claim 1 , and amine.4. The composition of wherein the functionalization agent is selected from silane claim 2 , maleic anhydride claim 2 , peroxide claim 2 , and amine. This invention relates to functionalized block composites and functionalized crystalline block composites. ...

MULTILAYERED POLYOLEFIN-BASED FILMS

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). 1. A multilayer structure comprising a polyolefin layer which is Layer A , a tie layer which is Layer B , and a barrier layer which is Layer C , each layer having opposing facial surfaces in adhering contact with the other layer , wherein:Layer A has a top facial surface and a bottom facial surface and comprises polypropylene; [ 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);, 'a) a crystalline block copolymer composite (CBC) comprising, 'b) optionally, a polyolefin elastomer;', 'c) maleic anhydride grafted polyethylene (MAH-g-PE) or maleic anhydride grafted polypropylene (MAH-g-PP); and, optionally,', 'd) polypropylene or polyethylene; and,, 'Layer B has a top facial surface and a bottom facial surface and comprisesLayer C comprises a polyamide (PA) or ethylene vinyl alcohol (EVOH) and has a top facial layer and a bottom facial surface, the top facial surface of Layer C being in adhering contact with the bottom facial surface of Layer B.2. The multilayer structure of wherein Layer B further comprises a polyolefin elastomer.3. The multilayer structure of wherein Layer B further comprises a polypropylene.4. The multilayer structure of wherein Layer B further comprises a polyethylene.5. The multilayer structure of ...

FUNCTIONALIZED BLOCK COMPOSITE AND CRYSTALLINE BLOCK COMPOSITE COMPOSITIONS

The invention provides functionalized block composites and crystalline block composites. In particular, the invention provides a functionalized olefin-based polymer formed from at least (A) and (B): (A) a crystalline block composite comprising: a block copolymer comprising a propylene-based crystalline block and crystalline ethylene-based block; a propylene-based crystalline polymer; and, a crystalline ethylene-based polymer; and (B) at least one functionalization agent or a functionalized olefin-based polymer formed from at least (A) and (B): (A) a crystalline block composite comprising: a block copolymer comprising a propylene-based crystalline block and crystalline ethylene-based block; a propylene-based crystalline polymer; and, a crystalline ethylene-based polymer; and (B) at least one functionalization agent. 1. A composition comprising a functionalized olefin-based polymer formed from at least (A) and (B): i) a block copolymer comprising a crystalline propylene-based block and an ethylene/α-olefin block;', 'ii) a crystalline propylene-based polymer; and,', 'iii) an ethylene/α-olefin polymer; and, '(A) a block composite comprising(B) at least one functionalization agent.2. A composition comprising a functionalized olefin-based polymer formed from at least (A) and (B): i) a block copolymer comprising a crystalline propylene-based block and an crystalline ethylene-based block;', 'ii) a crystalline propylene-based polymer; and,', 'iii) an crystalline ethylene-based polymer; and, '(A) a crystalline block composite comprising(B) at least one functionalization agent.3. The composition of wherein the functionalization agent is selected from silane claim 1 , maleic anhydride claim 1 , peroxide claim 1 , and amine.4. The composition of wherein the functionalization agent is selected from silane claim 2 , maleic anhydride claim 2 , peroxide claim 2 , and amine.5. The composition of wherein the crystalline propylene-based block comprises an amount greater than 90 mol % ...

Thermoplastic Elastomer for Cold and Wet Applications

Thermoplastic elastomer compositions including at least one elastomeric component and at least one semi-crystalline polymer are provided. In particular, thermoplastic elastomer composition characterized by an SRI less than or equal to 1.6 at 10000 Pa s, and less than 4.5 at 1000 Pa s for compositions with TMA at 1000 μm greater than 85° C. are provided. Also provided are articles made from the thermoplastic elastomeric compositions. 1. A thermoplastic elastomer composition comprising at least one elastomeric polymer , component A , selected from the group of ethylene/α-olefin interpolymers and propylene/α-olefin interpolymers , at least one semi-crystalline polymer , component B , selected from the group of polypropylene homopolymers , propylene/ethylene copolymers and high density polyethylene , at least one oil , and at least one filler wherein the first thermoplastic elastomer composition is characterized by an SRI less than or equal to 1.6 at 10000 Pa-s , and less than 4.5 at 1000 Pa-s for compositions with TMA greater than 85° C.2. The thermoplastic elastomer composition according to characterized by an SRI less than or equal to 1.5 at 10000 Pa s.3. The thermoplastic elastomer composition of claim 1 , further characterized by a hardness in the range of 40-85 Shore A claim 1 , tensile strength from 2 to 8 MPa claim 1 , elongation>400% claim 1 , and compression set at 40° C. from 30 to 75% as measured by ISO 815 claim 1 , Type B method.4. The thermoplastic elastomer composition of claim 1 , wherein the component A is one or more EPDM.5. The thermoplastic elastomer composition of claim 1 , wherein the component A is one or more olefin block copolymer claim 1 , in combination in an amount from 20 wt % to 50 wt % based on the total weight of the first thermoplastic elastomer composition.6. The thermoplastic elastomer composition of claim 1 , wherein the elastomeric polymer claim 1 , component A claim 1 , is an ethylene/α-olefin copolymer.7. The thermoplastic ...

FUNCTIONALIZED BLOCK COMPOSITE AND CRYSTALLINE BLOCK COMPOSITE COMPOSITIONS AS COMPATIBILIZERS

The invention provides functionalized block composites and crystalline block composites as compatibilizers. In particular, the invention provides compositions of at least three polymers and a compatibilizer. The compatibilizer comprises a functionalized olefin-based polymer formed from at least (A) and (B): (A) a crystalline block composite comprising: a block copolymer comprising a propylene-based crystalline block and crystalline ethylene-based block; a propylene-based crystalline polymer; and, a crystalline ethylene-based polymer; and (B) at least one functionalization agent or a functionalized olefin-based polymer formed from at least (A) and (B): (A) a crystalline block composite comprising: a block copolymer comprising a propylene-based crystalline block and crystalline ethylene-based block; a propylene-based crystalline polymer; and, a crystalline ethylene-based polymer; and (B) at least one functionalization agent. 1. A composition comprising:a) a first polymer;b) a second polymer;c) a third polymer; and, [ [ a. a block copolymer comprising a propylene-based crystalline block and an ethylene/α-olefin block;', 'b. a propylene-based crystalline polymer; and,', 'c. an ethylene/α-olefin polymer; and, '(A) a block composite comprising, '(B) at least one functionalization agent; and/or, 'i) a functionalized olefin-based polymer formed from at least (A) and (B), [ a. a block copolymer comprising a propylene-based crystalline block and crystalline ethylene-based block;', 'b. a propylene-based crystalline polymer; and,', 'c. a crystalline ethylene-based polymer; and, '(A) a crystalline block composite comprising, '(B) at least one functionalization agent, '(ii) a functionalized olefin-based polymer formed from at least (A) and (B)], 'd) a compatibilizer, wherein the compatibilizer is'}wherein the first, second and third polymers are different.2. The composition of wherein the first polymer is a polyethylene claim 1 , the second polymer is a polypropylene and the ...

POLYOLEFIN BLENDS INCLUDING POLYOCTENE WITH COMPATIBILIZER

A composition comprising from 10 wt % to 86 wt % of an ethylene component including at least one ethylene based polymer having an ethylene content of at least 50.0 wt %, a melt index from 0.1 g/10 min to 100.0 g/10 min, and a density from 0.935 g/cmto 0.965 g/cm; from 10 wt % to 86 wt % of a propylene component including at least one propylene based polymer having a propylene content of at least 50.0 wt % and a melt flow rate from 0.5 g/10 min to 200.0 g/10 min; from 2 wt % to 22 wt % of an octene component including at least one octene based polymer having an octene content of at least 80 wt %; and from 2 wt % to 20 wt % of a composite component including at least one selected from the group of a crystalline block composite and a specified block composite, derived from at least ethylene and an alpha-olefin. 1. A composition , comprising:{'sup': 3', '3, '(A) from 10 wt % to 86 wt % of an ethylene component including at least one ethylene based polymer having an ethylene content of at least 50.0 wt %, based on the total weight of the ethylene based polymer, a melt index from 0.1 g/10 min to 100.0 g/10 min (ASTM D-1238 at 190° C., 2.16 kg), and a density from 0.935 g/cmto 0.965 g/cm;'}(B) from 10 wt % to 86 wt % of a propylene component including at least one propylene based polymer having a propylene content of at least 50.0 wt %, based on the total weight of the propylene based polymer, and a melt flow rate from 0.5 g/10 min to 200.0 g/10 min (ASTM D-1238 at 230° C., 2.16 kg);(C) from 2 wt % to 22 wt % of an octene component including at least one octene based polymer having an octene content of at least 80 wt %, based on the total weight of the octene based polymer; and{'sub': '3-10', '(D) from 2 wt % to 20 wt % of a composite component including at least one selected from the group of a crystalline block composite and a specified block composite, derived from at least ethylene and an alpha-olefin that is one of a Calpha-olefin, whereinthe crystalline block ...

COMPOSITIONS AND ARTICLES FORMED FROM THE SAME

The invention provides a composition comprising at least the following: A) an ethylene/α-olefin interpolymer; B) an olefin-based polymer; and C) a crosslinking agent; and wherein the ethylene/α-olefin interpolymer of component A) has the following properties: i) has a density greater than, or equal to, 0.850 g/cc; ii) a molar ratio of “vinyl to total unsaturation” greater than, or equal to, 1/10; iii) an 110/12 ratio from 6.2 to 40. 1. A composition comprising at least the following:A) an ethylene/α-olefin interpolymer;B) an olefin-based polymer; andC) a crosslinking agent; and i) has a density greater than, or equal to, 0.850 g/cc;', 'ii) a molar ratio of “vinyl to total unsaturation” greater than, or equal to, 1/10;', 'iii) an I10/I2 ratio from 6.2 to 40., 'wherein the ethylene/α-olefin interpolymer of component A) has the following properties2. The composition of claim 1 , wherein the ethylene/α-olefin interpolymer of component A) is an ethylene/α-olefin copolymer.3. The composition of claim 1 , wherein the ethylene/α-olefin interpolymer has a density from 0.850 to 0.910 g/cc.4. The composition of claim 1 , wherein the olefin-based polymer of component B is a propylene-based polymer.5. The composition of claim 1 , further comprising a coagent.6. The composition of claim 5 , wherein the coagent is a trifunctional acrylate.7. The composition of claim 5 , wherein the molar ratio of crosslinking agent to coagent is from 1 to 1/5.8. The composition of claim 1 , wherein the ethylene/α-olefin interpolymer of component A is present in an amount from 20 to 80 weight percent claim 1 , based on the sum weight of components A and B.9. The composition of claim 1 , wherein the olefin-based polymer of component B is present in an amount from 20 to 80 weight percent claim 1 , based on the sum weight of components A and B.10. The composition of claim 1 , wherein Components A and B are present in an amount greater than 80 weight percent claim 1 , based on the weight of the ...

HIGH FREQUENCY WELDABLE POLYOLEFIN COMPOSITIONS INCLUDING POLAR POLYMERS

A polyolefin-based composition showing improved weldability using high frequency (HF) includes (1) a base polymer selected from (a) a homogeneously branched, linear or substantially linear ethylene/α-olefin copolymer; (b) a homogeneously branched propylene/α-olefin copolymer; or (c) a combination thereof; and (2) at least one secondary component selected from (a) an ethylene vinyl acetate copolymer having from 5 to 40 wt % vinyl acetate; (b) an ethylene-ethyl acrylate having from 5 to 25 wt % ethyl acrylate; and (c) a combination thereof. The combination of the specified polyolefin with the specified secondary component, which is a polar polymer, makes these formulations HF weldable, with a cohesive welding failure, a weld strength for 10 mil thick film greater than 7 lb/in (1.23 N/mm) at a weld time of less than or equal to 6 seconds. The formulations may also exhibit good calendering processability and mechanical properties. 1. A dielectrically weldable polyolefin formulation comprising (a) a homogeneously branched, linear or substantially linear ethylene/α-olefin copolymer having a density from 0.865 to 0.905 grams per cubic centimeter and a melt index (measured at 190° C. at 2.16 kilograms) from 0.5 to 30 grams per 10 minutes;', '(b) a homogeneously branched propylene/α-olefin copolymer having a density from 0.863 to 0.885 grams per cubic centimeter and a melt flow rate (measured at 230° C. at 2.16 kilograms) from 2 to 30 grams per 10 minutes; and', '(c) combinations thereof;', 'and, '(1) at least one base polymer selected from'} (a) ethylene vinyl acetate having a vinyl acetate content ranging from 5 to 40 weight percent, based on the weight of the ethylene vinyl acetate;', 'b) ethylene-ethyl acrylate having an ethyl acrylate content ranging from 5 to 25 weight percent, based on the weight of the ethylene-ethyl acrylate; and', '(c) combinations thereof., '(2) from 10 percent to 40 percent, based on the weight of the formulation as a whole, of at least one ...

Adhesion Promoter Composition for Polyolefin Substrate

The present disclosure is directed to an adhesion promoter composition comprising of a solvent and a functionalized olefin block copolymer, and articles with the adhesion promoter composition applied thereto. The adhesion promoter composition can be halogen-free. 1. An adhesion promoter composition comprising:from 80 wt % to 99 wt % of a solvent; andfrom 20 wt % to 1 wt % of a maleic anhydride functionalized ethylene/octene multi-block copolymer with a base ethylene/octene multi-block copolymer comprising hard segments and soft segments linked in a linear fashion, the base ethylene/octene multi-block copolymer having(i) a crystallinity from 1% to 10%; and(ii) a melt index from greater than 15 g/10 min to 100 g/10 min.2. The adhesion promoter composition of wherein the composition is halogen-free.3. The adhesion promoter composition of wherein the solvent is selected from the group consisting of xylene claim 1 , toluene claim 1 , benzene claim 1 , methyl ethyl ketone claim 1 , methyl isobutyl ketone claim 1 , and combinations thereof.4. The adhesion promoter composition of wherein the functionalized olefin block copolymer comprises from 0.1 wt to 1.0 wt % of maleic anhydride.5. (canceled)6. The adhesion promoter composition of wherein the soft segment of the base ethylene/octene multi-block copolymer comprises from 20 mol % to 35 mol % units derived from octene.7. The adhesion promoter composition of wherein the soft segment of the base ethylene/octene multi-block copolymer comprises from 35 mol % to 50 mol % units derived from octene.8. An article comprising:a substrate surface comprising a polyolefin; anda layer of a functionalized olefin block copolymer on the substrate surface, wherein the functionalized olefin block copolymer is a maleic anhydride functionalized ethylene/octene multi-block copolymer with a base ethylene/octene multi-block copolymer comprising hard segments and soft segments linked in a linear fashion, the base ethylene/octene multi-block ...

High Melt Flow Thermoplastic Polyolefins with Modifier

Embodiments relate to a high melt flow thermoplastic polyolefin composition and of a method of preparing a high melt flow thermoplastic polyolefin composition, in which the composition includes from 5 wt % to 45 wt % of a modifier including a blend of from 5 wt % to 40 wt % of a block composite and from 60 wt % to 95 wt % of a polyolefin copolymer, based on a total weight of the modifier, and from 30 wt % to 95 wt % of a polypropylene polymer base that has a melt flow rate of at least 40 g/10 min. The high melt flow thermoplastic polyolefin composition has a blended melt flow rate of at least 25 g/10 min and an MFR ratio is less than 2.0, the MFR ratio being a ratio of the melt flow rate of the polypropylene polymer base to the blended melt flow rate of the high melt flow thermoplastic polyolefin composition. 1. A high melt flow thermoplastic polyolefin composition , comprising: (a) from 5 wt % to 40 wt % of a block composite, based on a total weight of the modifier, the block composite including (i) an ethylene-propylene copolymer, (ii) an isotactic polypropylene polymer, and (iii) a block copolymer including an ethylene-propylene soft block that has essentially a same composition as the ethylene-propylene polymer and an isotactic polypropylene hard block that has essentially a same composition as the isotactic polypropylene polymer, the soft block comprising from 20 wt % to 80 wt % of ethylene based on a total weight of the soft block, and the block copolymer including from 20 wt % to 75 wt % of the hard block, based on the total weight of the block copolymer, and', {'sub': 3', '10, 'sup': 3', '3, '(b) from 60 wt % to 95 wt % of a polyolefin copolymer, based on a total weight of the modifier, the polyolefin copolymer being derived from ethylene and at least one of a Cto Calpha-olefin, and the polyolefin copolymer having a melt index from 10 g/10 min to 1500 g/10 min, according to ASTM D1238 and at 190° C./2.16 kg, and a density from 0.850 g/cmto 0.900 g/cm, and ...

Reinforced Polypropylene Composition

The present disclosure provides a composition comprising: 1. A composition comprising:a) from 50 wt % to 95 wt % of a polypropylene;{'sub': 10', '2, 'b) from 3 wt % to 48 wt % of a polyolefin elastomer having an I/Ifrom greater than 7.5 to 15.0; and'}c) from 2 wt % to 15 wt % of a block composite.2. The composition of wherein the polypropylene is a propylene homopolymer having a melt flow rate from 0.1 g/10 min to 100 g/10 min.3. The composition of wherein the polyolefin elastomer is a coupled-polyolefin elastomer having an I/Ifrom greater than 7.5 to 15.0.4. The composition of wherein the coupled-polyolefin elastomer is a bis(sulfonyl azide) coupled polyolefin elastomer.5. The composition of comprisinga) from 65 wt % to 75 wt % propylene homopolymer;{'sub': 10', '2, 'b) from 20 wt % to 25 wt % of a bis(sulfonyl azide) coupled polyolefin elastomer having an I/Ifrom 8.0 to 15.0;'}c) from 3 wt % to 15 wt % of the block composite; andthe composition has an Izod dart impact strength from 350 J/m to 550 J/m at 23° C. as measured in accordance with ASTM 256-10.6. The composition of wherein the bis(sulfonyl azide) coupled polyolefin elastomer has an I/Ifrom 10.0 to 15.0.7. The composition of having a haze value from 55% to 70%.8. The composition of having a flexural modulus from 1000 MPa to 2000 MPa.9. The composition of wherein the bis(sulfonyl azide) coupled polyolefin elastomer has an I/Iof 12.4.10. The composition of comprising a filler.11. The composition of comprisinga) from 65 wt % to 75 wt % propylene homopolymer;{'sub': 10', '2, 'b) from 20 wt % to 25 wt % of a bis(sulfonyl azide) coupled polyolefin elastomer having an I/Ifrom 8.0 to less than 10.0;'}c) from 3 wt % to 15 wt % of the block composite; andthe composition has an Izod dart impact strength from 100 J/m to 200 J/m at 23° C. as measured in accordance with ASTM 256-10.12. The composition of wherein the bis(sulfonyl azide) coupled polyolefin elastomer has an I/Iof 8.5.13. The composition of having a haze ...

Blends for foams, foams manufactured therefrom and articles comprising the same

Disclosed herein is a foam composition comprising an olefin copolymer that comprises ethylene and an α-olefin or propylene and an α-olefin; an ionomer that comprises copolymer of ethylene and a carboxylic acid; where the ionomer is neutralized with a metal ion; a crosslinking agent; and a blowing agent. Disclosed herein is a method of manufacturing a foam composition comprising blending together an olefin copolymer that comprises ethylene and an α-olefin or propylene and an α-olefin; an ionomer that comprises copolymer of ethylene and a carboxylic acid; where the ionomer is neutralized with a metal ion; a crosslinking agent; and a blowing agent to form the foam composition; heating the composition to activate the blowing agent; and crosslinking the composition.

THERMOFORMABLE MULTILAYER ELASTOMERIC BARRIER ARTICLES FOR MICROFLUIDIC DELIVERY SYSTEMS

Embodiments of multilayer film structures comprise at least one elastic layer comprising thermoplastic elastomer, at least one barrier layer comprising ethylene vinyl alcohol, polyamides, polyvinylidene chloride, or combinations thereof, and at least Cone tie layer disposed between and adhering the at least one elastic layer to the at least one barrier layer, wherein the at least one tie layer comprises thermoplastic elastomer and functionalized olefin-based polymer. 1. A multilayer film structure comprising:at least one elastic layer comprising thermoplastic elastomer;at least one barrier layer comprising ethylene vinyl alcohol, polyamides, polyvinylidene chloride, or combinations thereof; andat least one tie layer disposed between and adhering the at least one elastic layer to the at least one barrier layer, wherein the at least one tie layer comprises thermoplastic elastomer and functionalized olefin-based polymer, wherein the functionalized olefin-based polymer is selected from the group consisting of a functionalized ethylene homopolymer, a functionalized ethylene/α-olefin copolymer, and combinations thereof.2. The multilayer film structure of wherein the multilayer film structure includes at least two tie layers claim 1 , and at least two elastic layers.3. The multilayer film structure of wherein the thermoplastic elastomer of the at least one elastic layer claim 1 , the at least one tie layer claim 1 , or both claim 1 , is selected from the group consisting of thermoplastic vulcanizates claim 1 , thermoplastic polyolefin elastomers claim 1 , thermoplastic polyurethane elastomers claim 1 , ethylene-vinyl-acetate elastomers claim 1 , polyether block amide thermoplastic elastomers claim 1 , polyester block amide thermoplastic elastomers claim 1 , styrenic block copolymers claim 1 , and combinations thereof.4. The multilayer film structure of claim 1 , wherein the at least one elastic layer has a layer thickness equal to about 10 to about 90% of a total thickness ...

A blend composition suitable for injection molding applications

The instant invention provides a blend composition suitable for injection molded articles. The blend composition suitable for injection molded article according to the present invention comprises: (a) from 50 to 80 percent by weight of a propylene/α-olefin interpolymer composition; (b) from 5 to 25 percent by weight of a homopolymer polypropylene, a random copolymer polypropylene, clarified random copolymer polypropylene, and combination thereof; and (c) from 5 to 39 percent by weight of a plasticizing agent; wherein said blend composition has a total haze of less than 25 percent.

DYNAMIC VULCANIZATION OF A BLEND COMPOSITION, METHODS OF MANUFACTURE THEREOF AND ARTICLES COMPRISING THE SAME

Disclosed herein is a composition comprising a propylene based polymer; a polymeric ethylene ionomer; a vulcanizing agent that is a crosslinker and that is reactive with the polymeric ethylene ionomer; and a compatibilizer that is a crystalline block composite including (1) a crystalline ethylene based polymer, (2) a crystalline alpha-olefin based polymer derived from a Cα-olefin, and (3) a block copolymer comprising 10 to 90 wt % of a crystalline ethylene block comprising at least 85 wt % of units derived from ethylene and 10 to 90 wt % of a crystalline alpha-olefin block comprising at least 90 wt % of units derived from the Cα-olefin. 1. A composition comprising:a propylene based polymer;a polymeric ethylene ionomer;a vulcanizing agent that is a crosslinker and that is reactive with the polymeric ethylene ionomer; anda compatibilizer that is a crystalline block composite including:(1) a crystalline ethylene based polymer,{'sub': '3-10', '(2) a crystalline alpha-olefin based polymer derived from a Cα-olefin, and'}{'sub': '3-10', '(3) a block copolymer comprising 10 to 90 wt % of a crystalline ethylene block comprising at least 85 wt % of units derived from ethylene and 10 to 90 wt % of a crystalline alpha-olefin block comprising at least 90 wt % of units derived from the Cα-olefin.'}2. The composition of claim 1 , where the propylene based polymer is selected from homopolymer polypropylene claim 1 , random copolymer polypropylene claim 1 , impact copolymer polypropylene claim 1 , high impact polypropylene claim 1 , high melt strength polypropylene claim 1 , isotactic polypropylene claim 1 , syndiotactic polypropylene claim 1 , or a combination comprising at least one of the foregoing polypropylenes and where the propylene based polymer is present in an amount of 20 to 90 wt % claim 1 , based on a total weight of the composition.3. The composition of claim 1 , where the polymeric ethylene ionomer comprises an acrylic acid ethylene copolymer that is neutralized with ...

THERMOPLASTIC VULCANIZATE INCLUDING A BLOCK COMPOSITE

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. 1. A thermoplastic vulcanizate composition , comprising: (i) an ethylene/alpha-olefin/diene interpolymer, the alpha-olefin being an alpha-olefin monomer having from 3 to 10 carbon atoms, and the diene being 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, the soft block having the same composition as the ethylene/alpha-olefin/diene polymer, and the hard block having the same composition as the propylene based polymer; and, '(A) greater than 15 wt % of a block composite that includes'}(B) a remainder of a curative system and optionally at least one of a vulcanizable elastomer, a thermoplastic polyolefin, and an oil.2. The thermoplastic vulcanizate composition as claimed in claim 1 , wherein the amount of the block composite is greater than 25 wt % and up to 70 wt % claim 1 , based on the total weight of the thermoplastic vulcanizate composition.3. The thermoplastic vulcanizate composition as claimed in claim 1 , further comprising the oil.4. The thermoplastic vulcanizate composition as claimed in claim 3 , wherein an amount of the block composite is from 25 wt % to 70 wt % claim 3 , an amount of the oil is from 1 wt % to 70 wt % claim 3 , and an amount of the ...

Capped multi- or dual-headed compositions useful for chain shuttling and process to prepare the same

The present disclosure relates to a capped, multi- or dual-headed chain composition comprising derivatives of a strained olefin. The present disclosure further relates to a process for synthesizing the capped, multi- or dual-headed composition by using an organometallic compound and a co-catalyst in the presence of a catalyst precursor and a strained olefin. The present disclosure further relates to use of the compositions, as well as the process to make the same, in olefin polymerization.

capped multiple or double head compositions useful for chain transfer and process for preparing same

a presente divulgação se refere a uma composição de cadeia de múltiplas cabeças ou cabeças duplas capeada compreendendo derivados de uma olefina deformada. a presente divulgação se refere ainda a um processo para sintetizar a composição de cabeças múltiplas ou duplas capeada usando um composto organometálico e um cocatalisador na presença de um precursor de catalisador e uma olefina deformada. a presente divulgação se refere ainda ao uso das composições, assim como do processo para fazes as mesmas, na polimerização de olefina. The present disclosure relates to a capped multiple head or double head chain composition comprising derivatives of a deformed olefin. The present disclosure further relates to a process for synthesizing the capped multiple or double head composition using an organometallic compound and a cocatalyst in the presence of a catalyst precursor and a deformed olefin. The present disclosure further relates to the use of the compositions as well as the process for making them for olefin polymerization.

Impact modification of thermoplastics with ethylene/α-olefin interpolymers

Impact modified compositions having good impact performance can be made from a thermoplastic (e.g., a polyolefin such as polypropylene or HDPE) and a multi-block ethylene/α-olefin interpolymer. The compositions are easily molded and often have particular utility in making, for example, automotive facia, parts and other household articles.

Thermoplastic vulcanizate including a block composite

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.

Capped multi- or dual-headed compositions useful for chain shuttling and process to prepare the same

The present disclosure relates to a capped, multi- or dual-headed chain composition comprising derivatives of a strained olefin. The present disclosure further relates to a process for synthesizing the capped, multi- or dual-headed composition by using an organometallic compound and a co-catalyst in the presence of a catalyst precursor and a strained olefin. The present disclosure further relates to use of the compositions, as well as the process to make the same, in olefin polymerization.

Packaging and wrapping film

Biaxially oriented, heat-shrinkable film-making process and film with improved toughness and extrusion processibility are disclosed. The improved film comprises at least one layer of at least one substantially linear ethylene homopolymer or interpolymer, wherein the substantially linear ethylene polymer has an uniform branching distribution, and is also characterized as having essentially no linear polymer fraction, a single DSC melting peak, a density greater than about 0.85 g/cc, and a simple bubble film 1% secant modulus below 195,000 kPa. The biaxially oriented film is characterized as having a simple bubble shrinkage value of from about 18% to about 85% at 135° C. and is useful in preparing heat-shrink bags for packaging food articles like poultry and fresh red meat.

Interpolymers suitable for multilayer films

The present invention relates to compositions and processes of making and using interpolymers having a controlled molecular weight distribution. Multilayer films and film layers derived from novel ethylene/α-olefin interpolymers are also disclosed.

Compositions, methods of making the same, and articles prepared from the same

A composition comprising at least the following components: (A) a first composition comprising the following: i) a first interpolymer comprising, in polymerized form, ethylene, an α-olefin, and a nonconjugated polyene; ii) a second interpolymer comprising, in polymerized form, ethylene, an a-olefin and a nonconjugated polyene; and wherein the first composition has an MWD less than, or equal to, 3.5, a Mooney Viscosity (ML (1+4@125°C)) greater than, or equal to, 80, and an [(ML(1+4@125°C))/Mw(conv)]* 1000 greater than 0.429 mole/g; (B) a thermoplastic polymer; and (C) a vulcanization agent is provided. A crosslinked composition made by heating one or more of the inventive compositions is also provided. Articles made from one or more of the inventive compositions are also provided.

Multilayered films, methods of manufacture thereof and articles comprising the same

Disclosed herein is a multilayer film comprising a first layer and a second layer; and a tie layer; where the tie layer is disposed between the first layer and the second layer; the first layer being disposed on a first surface of the tie layer; the second layer being disposed on a second surface of the tie layer; where the second surface is opposedly disposed to the first surface; where the tie layer comprises a crystalline block composite and a carboxylated olefin copolymer.

Low molecular weight ethylene/alpha-olefin interpolymer as base lubricant oils

A lubricant composition comprises an ethylene/α-olefin interpolymer having a number average molecular weight of less than 10,000 g/mol as a base oil and at least one oil additive. The ethylene/α-olefin interpolymer has at least one molecular fraction which elutes between 40° C. and 130° C. when fractionated using TREF, characterized in that the fraction has a molar comonomer content of at least 5 percent higher than that of a comparable random ethylene interpolymer fraction eluting between the same temperatures, wherein said comparable random ethylene interpolymer has the same comonomer(s) and has a melt index, density, and molar comonomer content (based on the whole polymer) within 10 percent of that of the ethylene/α-olefin interpolymer.

Polymer Blends from Interpolymers of Ethylene/Alpha-Olefin with Improved Compatibility

Disclosed herein are polymer blends comprising at least one ethylene/α-olefin interpolymer and two different poly-olefins which can be homopolymers. The ethylene/α-olefin interpolymers are block copolymers comprising at least a hard block and at least a soft block. In some embodiments, the ethylene/α-olefin interpolymer can function as a compatibilizer between the two polyolefins which may not be otherwise compatible. Methods of making the polymer blends and molded articles made from the polymer blends are also described.

Polymer blends from interpolymers of ethylene/alpha-olefin with improved compatibility

Disclosed herein are polymer blends comprising at least one ethylene/α-olefin interpolymer and two different polyolefins which can be homopolymers. The ethylene/α-olefin interpolymers are block copolymers comprising at least a hard block and at least a soft block. In some embodiments, the ethylene/α-olefin interpolymer can function as a compatibilizer between the two polyolefins which may not be otherwise compatible. Methods of making the polymer blends and molded articles made from the polymer blends are also described.

Low molecular weight ethylene/α-olefin interpolymer as base lubricant oils

A lubricant composition comprises an ethylene/α-olefin interpolymer having a number average molecular weight of less than 10,000 g/mol as a base oil and at least one oil additive. The ethylene/α-olefin interpolymer has at least one molecular fraction which elutes between 40° C. and 130° C. when fractionated using TREF, characterized in that the fraction has a molar comonomer content of at least 5 percent higher than that of a comparable random ethylene interpolymer fraction eluting between the same temperatures, wherein said comparable random ethylene interpolymer has the same comonomer(s) and has a melt index, density, and molar comonomer content (based on the whole polymer) within 10 percent of that of the ethylene/α-olefin interpolymer.

Thermoplastic vulcanizate comprising interpolymers of ethylene/α-olefins

Thermoplastic vulcanizates comprise at least an ethylene/α-olefin interpolymer and at least one thermoplastic polymer, such as polyolefin. The ethylene/α-olefin interpolymer is a block copolymer having at least a hard block and at least a soft block. The soft block comprises a higher amount of comonomers than the hard block. The block interpolymer has a number of unique characteristics disclosed here. The block interpolymer is either used as a compatibilizer between a vulcanizable elastomer and a thermoplastic polymer or as a vulcanizable elastomer when it is in the EPDM form. The thermoplastic vulcanizates can be profiled extruded to make profiles and gaskets.

Viscosity index improver for lubricant compositions

A lubricant composition comprises a base oil and a viscosity modifier including an ethylene/α-olefin interpolymer. The ethylene/α-olefin interpolymer is a block copolymer having at least a hard block and at least a soft block. The soft block comprises a higher amount of comonomers than the hard block. The block copolymer has a number of unique characteristics disclosed here. Such block copolymers offer the possibility of improved low temperature performance and flexibility in formulating motor oil, gear lubricants and greases, etc.

Polymer blends from interpolymers of ethylene/α-olefin with improved compatibility

Disclosed herein are polymer blends comprising at least one ethylene/α-olefin interpolymer and two different poly-olefins which can be homopolymers. The ethylene/α-olefin interpolymers are block copolymers comprising at least a hard block and at least a soft block. In some embodiments, the ethylene/α-olefin interpolymer can function as a compatibilizer between the two polyolefins which may not be otherwise compatible. Methods of making the polymer blends and molded articles made from the polymer blends are also described.

Interpolymers suitable for multilayer films

The present invention relates to compositions and processes of making and using interpolymers having a controlled molecular weight distribution. Multilayer films and film layers derived from novel ethylene/α-olefin interpolymers are also disclosed.

composition

COMPOSIÇÃO As concretizações da invenção provêem compósitos em bloco cristalino e seu uso como compatibilizantes. COMPOSITION The embodiments of the invention provide crystalline block composites and their use as compatibilizers.

Film for packaging purposes

Film and film-making methods with improved toughness, hot tack, shrinkability and extrusion processibility are disclosed for use in packaging and wrapping food, beverages and nonfood articles. The improved film comprises at least one layer of at least one substantially linear ethylene polymer, wherein the substantially linear ethylene polymer has a uniform branching distribution, and is also characterized as having essentially no linear polymer fraction, a single DSC melting peak and a density greater than 0.85 g/cm3. The films have utility in shrink, skin, stretch wrap, form-fill-seal and vacuum wrap operations.

Dual cure process of producing crosslinked polyolefinic foams with enhanced physical properties

Foamed articles having enhanced tensile, elastic recovery, and creep and fatigue resistance properties are prepared using a dual cure system. This system comprises a heat or radiation-activated first stage cure (which follows or coincides with foaming) followed by a moisture-activated second stage cure. Heat-activated curing systems include peroxide, sulfur, etc., and radiation-activated cure systems include electron beam, gamma-ray, etc. Moisture-activated systems include silane, sulfonyl chloride, and the like.

Impact Modification of Thermoplastics with Ethylene/Alpha-Olefin Interpolymers

Impact modified compositions having good impact performance can be made from a thermoplastic (e.g., a polyolefin such as polypropylene or HDPE) and a multi-block ethylene/α-olefin interpolymer. The compositions are easily molded and often have particular utility in making, for example, automotive facia, parts and other household articles.

Polymeric composition and sealant layer with same

. Disclosed herein is a polymeric composition. The polymeric composition includes: (A) a propylene-based polymer; (B) an ethylene/a-olefin polymer; (C) a block composite comprising: i) a propylene-based crystalline polymer; ii) an ethylene/a-olefin polymer; and iii) a block copolymer comprising a propylene-based crystalline block and an ethylene/a-olefin block. The polymeric composition provides improved heat seals when formed into film, film layer, or flexible containers such as retort pouch.

Polymeric composition and sealant layer with same

Disclosed herein is a polymeric composition. The polymeric composition includes: (A) a propylene/a-olefin interpolymer; (B) an ethylene-based polymer; (C) a block composite comprising: i) a propylene-based crystalline polymer; ii) an ethylene/a-olefin polymer; and iii) a block copolymer comprising a propylene-based crystalline block and an ethylene/a-olefin block. The polymeric composition provides improved heat seals when formed into film, film layer, or flexible containers such as a retort pouch.

Compositions and articles formed from the same

The invention provides a composition comprising at least the following: A) an ethylene/α-olefin interpolymer; B) an olefin-based polymer; and C) a crosslinking agent; and wherein the ethylene/α-olefin interpolymer of component A) has the following properties: i) has a density greater than, or equal to, 0.850 g/cc; ii) a molar ratio of "vinyl to total unsaturation" greater than, or equal to, 1/10; iii) an 110/12 ratio from 6.2 to 40.

High frequency weldable polyolefin compositions including polar polymers

A polyolefin-based composition showing improved weldability using high frequency(HF) includes (1) a base polymer selected from (a) a homogeneously branched, linear or substantially linear ethylene/α-olefin copolymer; (b) a homogeneously branched propylene/α-olefin copolymer; or (c) a combination thereof; and (2) at least one secondary component selected from (a) an ethylene vinyl acetate copolymer having from 5 to 40 wt% vinyl acetate; (b) an ethylene-ethyl acrylate having from 5 to 25 wt% ethyl acrylate; and (c) a combination thereof. The combination of the specified polyolefin with the specified secondary component, which is a polar polymer, makes these formulations HF weldable, with a cohesive welding failure, a weld strength for 10 mil thick film greater than 7 lb/in (1.23 N/mm) at a weld time of less than or equal to 6 seconds. The formulations may also exhibit good calendering processability and mechanical properties.

Polyolefin blend composition and articles made therefrom

The instant invention provides a polyolefin blend composition, process for producing the same, and articles made therefrom. The polyolefin blend composition according to the present invention comprises: (a) from 75 to 97 percent by weight of one or more random propylene copolymers having a DSC melting point in the range of from 120° C to 160° C, and a melt flow rate (MFR) in the range of from 1 to 120 g/10 minutes; (b) from 3 to 25 percent by weight of one or more ethylene ?-olefin copolymers having a melt index (I2) in the range of from 100 to 1500 g/10 minutes, a density in the range of 0.860 to 0.910 g/cm3, and a molecular weight (Mw) in the range of from 10,000 to 50,000 g/mole, wherein said ethylene ?-olefin copolymer is homogenously branched copolymer, and wherein said ethylene ?-olefin copolymer is linear or substantially linear; (c) optionally from 5 to 15 percent by weight of one or more propylene ?-olefin interpolymers having a DSC melting point in the range of less than 110° C, a heat of fusion in the range of less than 50 Joules/gram, and a crystallinity in the range of from at least 1 percent by to 40 percent by weight, and a melt flow rate in the range of less than 80 g/10 minutes.

Composition comprising propylene-alpha-olefin copolymer, olefin block copolymer and DPO-BSA molecular melt

Compositions comprising (A) propylene-alpha-olefin copolymer, (B) olefin block copolymer, and (C) DPO-BSA molecular melt (MM) are useful in the preparation of the top skin layer of artificial leather multi-layer structures.

Compatibilized polyolefin blends

A comprising includes one or more polyethylene, one or more polypropylene, one or more polyolefin elastomer, and a crystalline block composite having the following three components: (i) a crystalline ethylene based polymer, (ii) a crystalline propylene based polymer, and (iii) a block copolymer having a crystalline ethylene based block and a crystalline propylene block. The composition of component (i) is the same as the crystalline ethylene based block of the block copolymer and the composition of component (ii) is the same as the crystalline propylene block of the block copolymer. The composition is useful for forming rotomolded articles.

Packaging and wrapping film

Biaxially oriented, heat-shrinkable film-making process and film with improved toughness and extrusion processibility are disclosed. The improved film comprises at least one layer of at least one substantially linear ethylene homopolymer or interpolymer, wherein the substantially linear ethylene polymer has an uniform branching distribution, and is also characterized as having essentially no linear polymer fraction, a single DSC melting peak, a density greater than about 0.85 g/cc, and a simple bubble film 1% secant modulus below 195,000 kPa. The biaxially oriented film is characterized as having a simple bubble shrinkage value of from about 18% to about 85% at 135° C. and is useful in preparing heat-shrink bags for packaging food articles like poultry and fresh red meat.

Method of manufacturing packaging and wrapping film

A method of manufacturing a multilayer heat-shrinkable, puncture-resistant biaxially oriented film is disclosed. The method includes a double bubble orientation step and extruding a primary tube that includes at least one substantially linear ethylene homopolymer or interpolymer, wherein the substantially linear ethylene homopolymer or interpolymer has an uniform branching distribution, a melt flow ratio, I 10 /I 2 ,≧5.63, and a molecular weight distribution, M w /M n , defined by the equation M w /M n ≦(I 10 /I 2 )-4.63, and is also characterized as having essentially no linear polymer fraction, a single DSC melting peak, a density greater than about 0.85 g/cc, and a favorable gas extrusion critical shear rate at the onset of surface melt fracture.

Impact modification of thermoplastics with ethylene/alpha-olefin interpolymers

Impact modified compositions having good impact performance can be made from a thermoplastic (e.g., a polyolefin such as polypropylene or HDPE) and a multi-block ethylene/α-olefin interpolymer. The compositions are easily molded and often have particular utility in making, for example, automotive facia, parts and other household articles.

Thermoformed, extruded sheeting with reduced gloss

The invention is directed to compositions comprising an elastomer component and a propylene component, and in which the elastomer component comprises at least one ethylene/α-olefin polymer, optionally containing a diene, and the polypropylene component comprises at least one branched polypropylene. Preferably, the elastomer component has a melt tan delta between about 0.7 and about 8, as measured by parallel plate rheometer at 0.1 rad/sec, 190° C., and 15 percent strain; and the ratio of the melt tan delta of the elastomer component to the melt tan delta of the propylene component is from 0.5 to 4. The invention also provides for method of making such compositions, and to low gloss articles prepared from the same. The inventive compositions are particularly suitable for fabricating thermoformed sheeting with reduced gloss.

IMPACT MODIFICATION OF THERMOPLASTICS WITH ETHYLENE/α-OLEFIN INTERPOLYMERS

Impact modified compositions having good impact performance can be made from a thermoplastic ( e.g. , α polyolefin such as polypropylene or HDPE) and a multi-block ethylene/α- olefin interpolymer. The compositions are easily molded and often have particular utility in making, for example, automotive facia, parts and other household articles.

Polymeric composition and sealant layer with same

Disclosed herein is a polymeric composition. The polymeric composition includes: (A) a propylene-based polymer; (B) an ethylene/a-olefin polymer; (C) a block composite comprising: i) a propylene-based crystalline polymer; ii) an ethylene/a-olefin polymer; and iii) a block copolymer comprising a propylene-based crystalline block and an ethylene/a-olefin block. The polymeric composition provides improved heat seals when formed into film, film layer, or flexible containers such as retort pouch.

Polymeric composition with sealant layer with same

Disclosed herein is a polymeric composition. The polymeric composition includes: (A) a propylene/a-olefin interpolymer; (B) an ethylene-based polymer; (C) a block composite comprising: i) a propylene-based crystalline polymer; ii) an ethylene/a-olefin polymer; and iii) a block copolymer comprising a propylene-based crystalline block and an ethylene/a-olefin block. The polymeric composition provides improved heat seals when formed into film, film layer, or flexible containers such as a retort pouch.

High frequency weldable polyolefin compositions including polar polymers

The present invention relates to a coating composition comprising: A dielectrically weldable polyolefin formulation comprising (1) at least one base polymer which is (a) a homogeneously branched, linear or substantially linear ethylene/α-olefin copolymer having a density from 0.865 to 0.905 grams per cubic centimeter and a melt index (measured at 190 °C at 2.16 kilograms) from 0.5 to 30 grams per 10 minutes; and (2) from 10 percent to 40 percent, based on the weight of the formulation as a whole, of at least one secondary component selected from (a) ethylene vinyl acetate having a vinyl acetate content ranging from 5 to 40 weight percent, based on the weight of the ethylene vinyl acetate; b) ethylene-ethyl acrylate having an ethyl acrylate content ranging from 5 to 25 weight percent, based on the weight of the ethylene-ethyl acrylate; and (c) combinations thereof.

Polyolefin blend composition and articles made therefrom

The instant invention provides a polyolefin blend composition, process for producing the same, and articles made therefrom. The polyolefin blend composition according to the present invention comprises: (a) from 75 to 97 percent by weight of one or more random propylene copolymers having a DSC melting point in the range of from 120° C. to 160° C., and a melt flow rate (MFR) in the range of from 1 to 120 g/10 minutes; (b) from 3 to 25 percent by weight of one or more ethylene ?-olefin copolymers having a melt index (I2) in the range of from 100 to 1500 g/10 minutes, a density in the range of 0.860 to 0.910 g/cm3, and a molecular weight (Mw) in the range of from 10,000 to 50,000 g/mole, wherein said ethylene ?-olefin copolymer is homogenously branched copolymer, and wherein said ethylene ?-olefin copolymer is linear or substantially linear; (c) optionally from 5 to 15 percent by weight of one or more propylene ?-olefin interpolymers having a DSC melting point in the range of less than 110° C., a heat of fusion in the range of less than 50 Joules/gram, and a crystallinity in the range of from at least 1 percent by to 40 percent by weight, and a melt flow rate in the range of less than 80 g/10 minutes.

Block composites and impact modified compositions

Embodiments of the invention provide block composites and their use as impact modifiers.

Block composites in thermoplastic vulcanizate applications

Embodiments of the invention provide block composites and their use in thermoplastic vulcanizate compounds.

Block compositions in thermoplastic vulcanizate applications

Embodiments of the invention provide block composites and their use in thermoplastic vulcanizate compounds.

Block copolymers in soft compounds

Embodiments of the invention provide block composites and their use in soft compounds.

Crystalline block composites as compatibilizers

Embodiments of the invention provide crystalline block composites and their use as compatibilizers.

Crystalline block composites as compatibilizers

Embodiments of the invention provide crystalline block composites and their use as compatibilizers.

Block composites in thermoplastic vulcanizate applications

Embodiments of the invention provide block composites and their use in thermoplastic vulcanizate compounds.

Block compositions in thermoplastic vulcanizate applications

Embodiments of the invention provide block composites and their use in thermoplastic vulcanizate compounds.

Crystalline block composites as compatibilizers

Embodiments of the invention provide crystalline block composites and their use as compatibilizers.

Block composites and impact modified compositions

THERMOPLASTIC VULCANIZED AND ARTICLE

vulcanizado termoplástico e artigo. incorporações da invenção provêm compósitos em blocos e seu uso em compostos vulcanizados termoplásticos. vulcanized thermoplastic and article. embodiments of the invention provide block composites and their use in thermoplastic vulcanized compounds.

Functionalized block composite and crystalline block composite compositions as compatibilizers

The invention provides functionalized block composites and crystalline block composites as compatibilizers. In particular, the invention provides compositions of at least three polymers and a compatibilizer. The compatibilizer comprises a functionalized olefin-based polymer formed from at least (A) and (B): (A) a crystalline block composite comprising: a block copolymer comprising a propylene-based crystalline block and crystalline ethylene-based block; a propylene-based crystalline polymer; and, a crystalline ethylene-based polymer; and (B) at least one functionalization agent or a functionalized olefin-based polymer formed from at least (A) and (B): (A) a crystalline block composite comprising: a block copolymer comprising a propylene-based crystalline block and crystalline ethylene-based block; a propylene-based crystalline polymer; and, a crystalline ethylene-based polymer; and (B) at least one functionalization agent.

Retortable easy opening seals for film extrusion

A composition of matter particularly well suited for use as a peelable seal layer is described. The composition comprises from about 50 to about 85 percent by weight of a first polymer and from 15 to 50 percent of a second polymer. The first polymer is a propylene based polymer characterized by having a melting point of at least 125° C. together with a Comonomer Composition Distribution Breadth (“CCDB”) less than 2. The second polymer is characterized by having an interfacial adhesion with the first polymer of less than 1 lb/inch.

COMPOSITION, ARTICLE AND ROTOMOLDED ARTICLE

misturas de poliolefinas compatibilizadas. uma compreendendo inclui um ou mais polietileno, um ou mais polipropileno, um ou mais elastômero de poliolefina, e um compósito de bloco cristalino tendo os seguintes três componentes: (i) um polímero baseado em etileno cristalino, (ii) um polímero baseado em propileno cristalino, e (iii) um copolímero de bloco tendo um bloco baseado em etileno cristalino e um bloco de propileno cristalino. a composição do componente (i) é a mesma do bloco baseado em etileno cristalino do copolímero de bloco e a composição do componente (ii) é a mesma do bloco de propileno cristalino do copolímero de bloco. a composição é útil para formar artigos rotomoldados. compatibilized polyolefin blends. one comprising includes one or more polyethylene, one or more polypropylene, one or more polyolefin elastomer, and a crystalline block composite having the following three components: (i) a crystalline ethylene-based polymer, (ii) a propylene-based polymer crystalline, and (iii) a block copolymer having a crystalline ethylene based block and a crystalline propylene block. the composition of component (i) is the same as the crystalline ethylene based block of the block copolymer and the composition of component (ii) is the same as the crystalline propylene block of the block copolymer. the composition is useful for forming rotomolded articles.

Polyethylene and polypropylene composition suitable for the use as retortable easy opening seals

A composition of matter particularly well suited for use as a peelable seal layer is described. The composition comprises from about 50 to about 85 percent by weight of a first polymer and from 15 to 50 percent of a second polymer. The first polymer is a propylene based polymer characterized by having a melting point of at least 125° C together with a Comonomer Composition Distribution Breadth ("CCDB") less than 2. The second polymer is characterized by having an interfacial adhesion with the first polymer of less than 1 lb/inch.

Block composites and impact modified compositions

Embodiments of the invention provide block composites comprising a soft copolymer, a hard polymer and a block copolymer having a soft segment and a hard segment, wherein the hard segment of the block copolymer is the same composition as the hard polymer in the block composite and the soft segment of the block copolymer is the same composition as the soft copolymer of the block composite and their use as impact modifiers.

Thermoplastic elastomer for cold and wet applications