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7005488 |
Heat-sealable polyolefins and articles made therefrom
Polyolefins, preferably polyethylene, having a density of about 0.86 to about 0.93 g/mL, and having methyl branches and at least branches of two other different lengths of six carbon atoms or less,...
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6998443 |
Flame retardant insulation compositions having improved abrasion resistance
Moisture curable flame retardant insulation compositions for wire and cable having improved adhesion are provided. The compositions are comprised of an ethylene-silane copolymer, high density...
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6998441 |
Polyethylene/low molecular weight hydrogenated aliphatic resin blends
Compositions and methods are described herein for use in packaging having improved moisture vapor barrier properties. In certain embodiments of the present invention, packaging articles can be made...
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6998440 |
Polyethylene films
Novel stretch and blown films are prepared based on copolymers of ethylene and alpha-olefins having (a) a density in the range 0.900 to 0.940 (b) an apparent Mw/Mn of 2–3.4 (c) I 21 /I 2 from 16...
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6995213 |
Oriented films prepared using impact copolymer polypropylene
Disclosed is a method of producing a novel biaxially oriented film having a high diffraction of light, and flexibility. In particular, the invention disclosed provides a method for making an opaque...
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6994915 |
Biaxially oriented polypropylene films
Biaxially oriented polypropylene films (BOPP) having at least one layer of a propylene polymer containing at least 0.8% by weight of ethylene and, optionally, one or more C 4 -C 10 α-olefins, or...
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6992033 |
Process for preparation of catalyst composition for ethylene polymerization
Process for preparing a catalyst composition for ethylene polymerization or copolymerization, with the steps of: (a) treating at least one magnesium alkoxide compound with the effluent waste from a...
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6987148 |
High performance polyolefin blends for industrial pallets other articles and a process for the preparation thereof
A thermoplastic polyolefin blend comprising of a base polymer and up to 25% by wt of an ethylene propylene diene monomer (EPDM), the balance if any consisting of a conventional filler and/or a...
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6984695 |
Heterogeneous/homogeneous copolymer
Novel polyethylene copolymer compositions prepared with a homogeneous catalyst system are characterized by having a unique high molecular weight, low comonomer (high density) fraction. These...
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6982311 |
Films produced from substantially linear homogeneous olefin polymer compositions
The subject invention provides a film having at least one layer comprising an interpolymer of ethylene and at least on comonomer selected from the group consisting of C 3 -C 20 α-olefins, dienes,...
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6979714 |
Adhesion promoting agent and coating compositions for polymeric substrates
The present invention provides an adhesion promoting agent which includes a graft copolymer formed by a halogenated polyolefin polymer with at least one reactive functionality and a substantially...
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6969483 |
Autoclavable, non-adherent, heat sealable polymer blends for fabricating monolayer and multiple layered films
The present invention provides a polymer blend for fabricating monolayer films or a layer within a multilayer film. The blend has a first component and a second component. The first component is...
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6964997 |
Molded article for interior parts of a car
The present invention relates to interior parts of a car comprising a new propylene resin composition. The present resin composition has good molding abilities and a good balance of physical...
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6964798 |
Multi-layered polymer based thin film structure for medical grade products
A multiple layer structure comprising a first and a second skin layer, each skin layer composed of a polypropylene containing polymer, and a radio frequency (“RF”) susceptible layer adhered to...
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6962889 |
Spherical catalyst for olefin polymerization
Disclosed are catalyst systems and methods of making the catalyst systems/supports for the polymerization of an olefin containing a solid titanium catalyst component having a substantially...
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6953828 |
Polymeric membrane compositions
Blends of very low density polyethylene produced using metallocene catalysts (mVLDPE) and polypropylene are disclosed. The polymer blends include a metallocene-catalyzed VLDPE polymer having a...
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6953617 |
High OTR films made from homopolymer polypropylene and 1-butene/ethylene copolymer blends
A polyolefin blend having in a range of 40 to less than 90% by weight of a high modulus, isotactic polypropylene; and in a range of 10 to 60% by weight of a 1-butene/ethylene copolymer; the...
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6949605 |
Soft touch polyolefin compositions
The present invention provides a soft touch soft touch thermoplastic olefin composition. The soft touch thermoplastic olefin composition comprises a polypropylene-ethylene copolymer and a...
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6946495 |
Foamable composition using recycled or offgrade polypropylene
A polymeric composition to be used in producing foam in which the polymeric composition comprises conventional linear polypropylene, high melt strength polypropylene and a rheology modifier resin....
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6946533 |
Synthesis of macrocyclic polymers by ring insertion polymerization of cyclic olefin monomers
A method for synthesizing cyclic polymers using transition metal alkylidene complexes as reaction catalysts is provided, wherein the complexes contain a cyclic group. Polymerization is carried out...
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6946520 |
Fabricated articles prepared from blends of substantially random ethylene/propylene/vinyl aromatic interpolymers with polypropylene
This invention relates to fabricated articles, including films or sheets prepared from blends of substantially random ethylene/propylene/vinyl aromatic monomer interpolymers with propylene...
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6946522 |
Thermoplastic elastomers with improved coring properties
Thermoplastic vulcanizates having improved coring properties, comprising a blend of thermoplastic polypropylene resin, vulcanized butyl rubber, a SEPS block copolymer and a polybutene oil plasticizer.
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6943215 |
Impact resistant polymer blends of crystalline polypropylene and partially crystalline, low molecular weight impact modifiers
Polymer blends that exhibit good impact resistance comprise a crystalline polypropylene matrix and a partly crystalline copolymer impact modifier with a molecular weight lower than that of the...
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6939918 |
Thermoplastic elastomers having improved low temperature properties
The present invention provides a thermoplastic vulcanizate prepared by a process comprising the steps of dynamically vulcanizing rubber within a blend that includes the rubber and a thermoplastic...
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6939919 |
Polyethylene rich/polypropylene blends and their uses
The present invention includes a blend composition comprising at least one coupled propylene polymer and at least 55 weight percent of at least one ethylene polymer, based on the total weight of...
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6936655 |
Crosslinkable flame retardant wire and cable compositions having improved abrasion resistance
Moisture curable flame retardant wire and cable formulations having improved abrasion resistance are provided. The compositions are comprised of a high density silane-containing polyethylene base...
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6936660 |
Resin compositions and use of the same
Soft resin compositions comprising a polyethylene resin (A) and an ethylene/α-olefin random copolymer (B) comprising ethylene and an α-olefin having 3 to 20 carbon atoms at a specific proportion,...
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6933347 |
Tubes obtained from a propylene polymer composition
Tubes formed from a propylene based composition having a flexural modulus of elasticity of 1,400 to 2,000 MPa and a melt flow index of 0.1 to 1 g/10 minutes, including: from 80 to 97 parts in...
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6933346 |
Sealant for polypropylene and easily openable hermetically sealed package including the same
A sealant for polypropylene consisting essentially of a composition comprising a high-pressure-processed low-density polyethylene (A) having a density of 910 to 930 kg/m 3 and an MFR of 0.5 to 20...
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6932592 |
Metallocene-produced very low density polyethylenes
A very low density polyethylene having a density of 0.890 to 0.915 and a Dart Drop value of at least about 450 g/mil or above is disclosed. Gas phase polymerization methods are also disclosed for...
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6930148 |
Enhanced polyisobutylene modified hot melt adhesive formulation
An improved hot melt adhesive includes a base polymer and a PIB modifier that is made up of a homopolymer of isobutylene wherein a predominant portion of the double bonds are in either an alpha...
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6930152 |
Propylene polymer compositions
A propylene polymer composition is prepared by mixing propylene homo- or co-polymer (A) obtained using a transition metal catalyst compound (h), defined herein, with a co-catalyst, e.g.,...
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6930149 |
Polyolefin compositions with improved properties
The invention relates to polyolefin compositions with good impact strength and transparency comprising
a) 85-98 wt % based on the total weight of the composition of a heterophasic...
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6930132 |
Use of a polypropylene based composition for expanded beads
Use of a polypropylene based composition (C) comprising (a) from 5 to 95% by weight of a random copolymer of propylene (A) containing from 0.5 to 12 mole % of at least one comonomer chosen from...
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6927248 |
Colored composition comprising a bituminous binder and uses thereof
The invention concerns a composition comprising: (1) an asphaltene-free bituminous binder mixture, containing at least a plasticizing agent based on an aliphatic hydrocarbon compound, at least a...
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6924013 |
Coextrusion binder, its use for a multilayer structure and the structure thus obtained
The present invention relates to a coextrusion binder useful for petrol tanks of HDPE/binder/EVOH or PA/binder/HDPE structure.
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6924031 |
Low-smoke self-extinguishing electrical cable and flame-retardant composition used therein
Self-extinguishing cable coated with a flame-retardant composition having: (a) an ethylene homopolymer or copolymer having a density of from 0.905 to 0.970 g/cm 3 , and being selected from:...
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6921795 |
Manufacture of polyethylenes
Blends of two or more polyethylenes are made by reacting ethylene with an oligomerization catalyst that forms α-olefins, and two polymerization catalysts, one of which under the process conditions...
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6921729 |
Adhesive tape
Adhesive tapes (e.g., duct tapes) having a backing comprising a compatibilized release composition are reported. The compatibilized release composition comprises a thermoplastic olefin-based...
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6921792 |
Chemically modified polyolefin elastomer composition and method for preparing the same
Disclosed are a chemically modified polyolefin elastomer composition that is highly compatible with thermoplastics and useful in improving the low temperature impact strength of thermoplastics, and...
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6919406 |
Modified polyolefin films
Disclosed are techniques and related material blends for improving adhesion between a polyolefin film and a pressure sensitive adhesive, and also significantly decreasing the coefficient of thermal...
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6919407 |
Blends and sealant compositions comprising isotactic propylene copolymers
Films with excellent machine direction (MD) tear properties comprise at least one layer made from a polymer comprising:
(A) at least 50 weight percent (wt %) propylene; and (B) at least 5 wt...
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6916883 |
Ethylene interpolymer polymerizations
A new process of interpolymerizing ethylene interpolymer products having improved properties, such as increased onset of crystallization temperature, is disclosed. Preferably, the process comprises...
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6914094 |
Engineered polyolefin materials with enhanced surface durability
An article formed from a polyolefin resin blend reaction product that includes at least one propylene-based polyolefin-metal salt and at least one property-modifying agent. Optionally, the article...
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6913834 |
Polyolefin resin composition, film, and multilayer structure
A polyolefin base resin composition (A) comprising [I] a 1-butene base polymer in an amount of 1 to 99% by weight, [II] a propylene base resin in an amount of 99 to 1% by weight and a...
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6908968 |
Narrow MWD, compositionally optimized ethylene interpolymer composition, process for making the same and article made therefrom
A polymer composition comprises at least two polymer components, the first component having an ATREF peak temperature, T peak1 , and a viscosity average molecular weight, M v1 , and the second...
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6908687 |
Heat-shrinkable polymeric films
The present invention relates to oriented or hot-blown shrink films which may be manufactured from by a number of processes. The oriented films may be manufactured by double bubble, LISIM, tape...
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6908967 |
High transparency and high flexibility elastoplastic polyolefin compositions
Highly transparent and flexible elastoplastic polyolefin compositions which contain A) 10-20 parts by weight of a propylene homopolymer or copolymer with ethylene and/or one or more CH 2 ═CHR...
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6908949 |
Foamable interpolymer resin particles containing limonene as a blowing aid
Interpolymer resin particles comprised of 20% to 80% by weight polyolefin, e.g. polyethylene and 80% to 20% by weight of an in situ polymerized vinyl aromatic resin, e.g. polystyrene or...
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6906141 |
Polymer blend and fabricated article made from diverse ethylene interpolymers
Polymer blends are described that include at least one first ethylene interpolymer and at least one second ethylene interpolymer wherein the difference in the number of carbon atoms in the...
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