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Matches 151 - 200 out of 13,582

Document Document Title
WO/2015/024517A1
The present invention relates to a bimetallic catalyst for olefin polymerization, a preparation method therefor, and the application thereof in catalysis for olefin polymerization. The catalyst is a transitional bimetallic complex of the...  
WO/2015/026731A1
The instant invention provides a method for polymerizing one or more ethylene-based polymers. The method for polymerizing one or more ethylene-based polymers according to the present invention comprises the following steps: (1) selecting...  
WO/2015/024088A1
The present invention relates to a process for modifying poly(propene) with control over quantity, size and configuration of branches, comprising the steps of (A) preparing a masterbatch of bis(sulphonazide) (BSA) by means of the dispers...  
WO/2015/024236A1
The present invention discloses polymers prepared from polar vinyl monomers and non- polar olefin monomers with the polymers having high olefin content and high weight average molecular weights as well as methods of preparing them. The i...  
WO/2015/023047A1
The present invention relates to a poly(ethylene-aliphatic diene)-g-polystyrene based copolymer having improved physical properties and heat resistance and a method for preparing the same and, more specifically, to a poly(ethylene-alipha...  
WO/2015/022127A1
Polypropylene composition comprising comonomer units derived from ethylene in an amount of from 9.0 to 52.0 mol-% and comonomer units derived from a higher a-olefin in an amount of from 0.4 to 3.0 mol-%, wherein said polypropylene compos...  
WO/2015/023623A1
Disclosed herein are catalyst compositions containing cyclobutylidene-bridged metallocene compounds. These catalyst compositions can be used for the polymerization of olefins.  
WO/2015/023053A1
A polypropylene resin composition having excellent whitening resistance and impact resistance according to the present invention contains 75-95 wt% of an ethylene-propylene-alpha olefin random copolymer and 5-25 wt% of an ethylene-propyl...  
WO/2015/022298A1
The present invention relates to a catalyst system comprising a procatalyst, a co-catalyst and an external electron donor, wherein the external electron donor comprises a compound having the structure according to Formula I: Si (L)n (OR1...  
WO/2015/021040A1
Methods for controlling properties of an olefin polymer using an alcohol compound are disclosed. The MI and the HLMI of the polymer can be decreased, and the Mw and the Mz of the polymer can be increased, via the addition of the alcohol ...  
WO/2015/014632A1
Process for the preparation of a copolymer of propylene and a C4-12 a-olefin (PPC) having a melt flow rate MFR2 (230°C) of below 3.0 g/10min, wherein the polymerization takes in the presence of a metallocene catalyst.  
WO/2015/014699A1
The invention pertains to a thermoplastic vulcanizate fluorine-containing composition [vulcanizate (C)], comprising a continuous thermoplastic fluoropolymer phase and a dispersed vulcanized fluoroelastomer phase, said composition compris...  
WO/2015/014571A1
The invention is directed to foamed caps and closure seals comprising as one of the layers polyethylene foam. The polyethylene foam is obtained by foaming of low density polyethylene copolymer obtained by a high pressure polymerisation p...  
WO/2015/010857A1
Sterilisable articles for use in healthcare or medical applications, such as blow-fill-seal applications, made of a propylene-ethylene random copolymer show good optical properties also after heat sterilization.  
WO/2015/012435A1
The present invention relates to a three-component resilient copolymer that can simultaneously provide outstanding mechanical properties and elasticity (flexibility), and to a production method for same. The three-component resilient cop...  
WO/2015/011135A1
A process for the preparation of a propylene copolymer, preferably a heterophasic propylene copolymer, in a multistage polymerisation process in the presence of a single site catalyst, said process comprising: (I) in a slurry polymerisat...  
WO/2015/009474A1
This invention relates to methods to prepare and compositions pertaining to branched ethylene-propylene copolymers that include at least 50% ethylene content by weight as determined by FTIR; a g'vis of less than 0.95; a Mw of 150,000 to ...  
WO/2015/009832A1
This invention relates to methods to prepare and compositions pertaining to branched ethylene-propylene copolymers that include at least 50% ethylene content by weight as determined by FTIR; a g'vis of less than 0.95; a Mw of 125,000 to ...  
WO/2015/006456A1
The invention provides compositions, each comprising an ethylene/alpha-olefin interpolymer, which has a reduced level of a low density, low molecular weight oligomeric fraction, as indicated by an HCC value, as described herein, and redu...  
WO/2015/004193A1
The present invention provides a propylene-comonomer block copolymer having a molecular weight distribution Mw/Mn of at least 1.7; a percentage of enthalpy measured between Ti and [Tm-18 °C] of at least 20% of the total enthalpy, wherei...  
WO/2014/209082A1
The present invention relates to a trinary elastic copolymer having a long chain branch, obtained in the presence of a group 4 element metal oxide catalyst and capable of simultaneously satisfying excellent processability and elasticity ...  
WO/2014/206816A1
The present invention is directed to a polymerization process for the production of polyethylene by polymerization of ethylene in the presence of a catalyst composition comprising a porous silicon oxide support material carrying a chromi...  
WO/2014/208823A1
The present invention relates to an elastomeric terpolymer having both superior mechanical properties and elasticity (flexibility) and a production method therefor. The elastomeric terpolymer is a copolymer comprising: 40 to 70 wt% of et...  
WO/2014/209930A1
The instant invention provides a polyethylene composition and process for polymerizing the same. The polyethylene composition according to the present invention comprises the polymerization reaction of ethylene and optionally one or more...  
WO/2014/209085A1
The present invention relates to a ternary elastomeric copolymer having a long-chain branch, obtained in the presence of a group IV transition metal catalyst, and capable of achieving both excellent processability and excellent elasticit...  
WO/2014/206950A1
Extrusion blow molded article comprising a propylene copolymer having a high bottle appearance factor and good impact properties.  
WO/2014/209084A1
The present invention relates to a trinary elastic copolymer having a long chain branch, obtained in the presence of a group 4 element metal oxide catalyst and capable of simultaneously satisfying excellent processability and elasticity ...  
WO/2014/210333A1
A process for preparing an olefin homopolymer or copolymer comprises contacting ethylene, an alpha-olefin, or a combination, and a catalytic amount of a metal-ligand complex catalyst of a particular formula that requires at least one hal...  
WO/2014/202329A1
The invention relates to a catalyst for olefin polymerization represented by the general formula (1): wherein; M is a transition metal; X1 and X2 are independently selected from the group consisting of halide, alkyl group, aryl group, al...  
WO/2014/202715A1
The present invention relates to a process for the preparation of ethylene-propylene elastomeric copolymers or ethylene-propyiene-diene EP(D)M elastomeric terpolymers in solution, and a polymerisation reactor for use in said process. In ...  
WO/2014/205336A3
The present invention relates to pressure sensitive hot melt adhesive compositions that comprise greater than about 15 wt% of a metallocene-catalyzed polyolefin random copolymer. The pressure sensitive hot melt adhesive has a heat of fus...  
WO/2014/198677A1
A process for the preparation of a propylene polymer in a multistage polymerisation process in the presence of a single site catalyst, said process comprising: (I) in a prepolymerisation step prepolymerising a single site catalyst in the...  
WO/2014/200153A1
The present invention relates to a method for preparing an ethylene/alpha-olefin/diene elastic copolymer having a high viscosity and high molecular weight, in which the energy efficiency of the entire process is optimized. The method for...  
WO/2014/198459A1
A container comprising a propylene, ethylene, 1-butene terpolymer wherein in the terpolymer: i) the content of ethylene derived units ranges from 0.5 wt% to 1.8 wt%; ii) the content of 1-butene derived units ranges from 3.5 wt% to 6.5 wt...  
WO/2014/196950A1
Maleic anhydride polymers having pendant groups that contain at least one quaternary amine group are effective coagulants for use in treating wastewater and other waters containing dispersed impurities.  
WO/2014/195074A1
A container comprising a propylene, ethylene, 1-hexene terpolymer wherein in the terpolymer: (i) the content of ethylene derived units ranges from 0.2 wt% to 1.0 wt%; (ii) the content of 1-hexene derived units ranges from 3.5 wt% to 5.5 ...  
WO/2014/195073A1
A container comprising a propylene, ethylene, 1-hexene terpolymer wherein in the terpolymer: (i) the content of ethylene derived units ranges from 0.5 wt% to 2.0 wt%; (ii) the content of 1-hexene derived units ranges from 1.5 wt% to 5.5 ...  
WO/2014/191506A1
The present application relates to a propylene ethylene random copolymer exhibiting two melting temperatures (Tm) which differ from each other.  
WO/2014/189132A1
Provided is a composition for sealing films for solar cells, which is obtained by mixing, as a resin component, an ethylene/α-olefin copolymer (m-LLDPE) with another polymer, said ethylene/α-olefin copolymer being polymerized using a m...  
WO/2014/189187A1
The present invention relates to a method for preparing a catalyst for ethylene polymerization and copolymerization, capable of providing a polymer having a high apparent density and a uniform particle size, and furthermore capable of ea...  
WO/2014/187686A1
Propylene copolymer having a comonomer content in the range of 2.5 to 11.5 mol.-% and a melt flow rate MFR2 (230 °C) in the range of 1.0 to 16.0 g/10min, wherein said propylene copolymer is featured by good toughness.  
WO/2014/187687A1
Propylene copolymer having a comonomer content in the range of 2.0 to 11.0 mol.-% and a melt flow rate MFR2 (230 °C) in the range of 25.0 to 100 g/10min, wherein said propylene copolymer is featured by good toughness.  
WO/2014/185996A1
An ethylene-based polymer comprising about 80.0 to 99.0 wt.% of polymer units derived from ethylene and about 1.0 to about 20.0 wt.% of polymer units derived from one or more C3 to C20 α-olefin comonomers; the ethylene-based polymer hav...  
WO/2014/186272A1
Disclosed herein are ethylene-based polymers having low densities and narrow molecular weight distributions, but high melt strengths for blown film processing. Such polymers can be produced by peroxide-treating a metallocene-catalyzed re...  
WO/2014/184152A3
A process for polymerizing olefins at temperatures of from 30°C to 140°C and pressures of from 1.0 MPa to 10 MPa in the presence of a polymerization catalyst in a multistage polymerization of olefins in at least two serially connected ...  
WO/2014/185253A1
The present invention addresses the problem of providing a cyclic olefin copolymer film which has been made thin, configured such that retardation in the in-plane direction and in the thickness direction is kept sufficiently low and supe...  
WO/2014/185327A1
The present invention addresses the problem of providing a cyclic olefin copolymer resin film in which phase difference in a plane and a thickness direction is kept sufficiently low and in which generation of creases is suppressed. The p...  
WO/2014/184152A2
A process for polymerizing olefins at temperatures of from 30°C to 140°C and pressures of from 1.0 MPa to 10 MPa in the presence of a polymerization catalyst in a multistage polymerization of olefins in at least two serially connected ...  
WO/2014/181991A1
The present invention relates to a method for preparing an ethylene-vinyl acetate (EVA) having a melt index of 10 g/10min or less that includes: applying an electron beam with an exposure dose of 1 to 25 kGy to an ethylene-vinyl acetate ...  
WO/2014/179103A1
A polyethylene composition comprising at least 95 percent by weight of the units derived from ethylene; less than 5 percent by weight of units derived from one or more α-olefin comonomers; wherein said polyethylene composition has a den...  

Matches 151 - 200 out of 13,582