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Matches 451 - 500 out of 5,605

Document Document Title
WO2004007563A3
A process for preparing a functionalized polymerization initiator, the process comprising combining a functionalized styryl compound and an organolithium compound.  
WO2004007602A3
The invention relates to a catalyst for the polymerisation of 1,4-dienes, styrene and for the copolymerisation of two monomers. The characteristics of the inventive catalyst include a high degree of stereoselectivity, catalytic activity ...  
WO/2004/020413A1
The invention provides transition metal compounds which are useful as highly active catalysts suitable for the polymerization of various conjugated dienes and can be synthesized at a low cost by a simple process; polymerization catalysts...  
WO/2004/018534A1
The invention provides fluoropolymers which bear functional groups in high contents and can therefore fully exhibit the characteristics of the functional groups and which do not bring about a drop in Tg, namely, fluoropolymers comprising...  
WO2003018644A8
A catalyst composition that is the combination of or the reaction product of ingredients comprising (a) an iron-containing compound, (b) an alpha -acylphosphonate diester, and (c) an organoaluminum compound.  
WO/2004/016666A1
The invention relates to a method for producing polymers by anionic polymerisation in an inert reaction medium, using conjugated dienes and vinyl aromatic compounds in the presence of a catalyst, a co-catalyst and a randomiser. The inven...  
WO/2004/014966A1
The invention relates to a method for producing optionally coupled, non-blocked polymers based on conjugated dienes or optionally coupled, non-blocked copolymers based on conjugated dienes and vinyl aromatic compounds by anionic polymeri...  
WO/2004/009652A1
1,3-Butadiene is polymerized in a hydrocarbon solvent using either a catalyst system comprising (A) a cobalt salt, (B1) a phosphine compound having one C3 or higher branched aliphatic group or C5 or higher alicyclic group and two aromati...  
WO/2004/007563A2
A process for preparing a functionalized polymerization initiator, the process comprising combining a functionalized styryl compound and an organolithium compound.  
WO/2004/007602A2
The invention relates to a catalyst for the polymerisation of 1,4-dienes, styrene and for the copolymerisation of two monomers. The characteristics of the inventive catalyst include a high degree of stereoselectivity, catalytic activity ...  
WO2003044065A3
Disclosed is a method for the production of optionally coupled, non-blocking polymers based on conjugated dienes and optionally monovinyl aromatic compounds by anionic polmerization in an inert organic solvent in the presence of a lithiu...  
WO/2004/004998A1
The vulcanization rubber compound (6) in the injection mold (18) then beomces the dielectric within the formed capacitor, as it is sandwiched between the sensor (17) and the surface of the mold (18) or metallic insert within the part bei...  
WO/2004/003022A1
A catalyst composition for use in the polymerization of a conjugated diene, which comprises the following components: (A) a metallocene type complex of a rare earth metal compound, (B) an alminoxane and (C) a combination of two or more o...  
WO/2003/097708A1
The invention concerns a catalytic system used for preparing polybutadienes by polymerization, a method for preparing said catalytic system and a method for preparing polybutadienes using said catalytic system. The inventive catalytic sy...  
WO2003033545A3
This invention relates to metal complex compositions, their preparation and their use as catalysts to produce polymers of conjugated dienes through polymerization of conjugated diene monomers. The used metal complex compositions are tran...  
WO2002060958A8
The present invention provides functionalized electrophiles, their analogous initiators, and processes for preparing these compounds. The present invention also relates to homotelechelic, heterotelechelic, and radial functional polydiene...  
WO2002102861A3
A process is described for the homo- and co-polymerization of conjugagted dienes characterized in that it is carried out in the presence of a catalytic system comprising a complex having general formula (II): Fe(L)n(X)s wherein n is an i...  
WO/2003/095511A1
An ester derivative having a layer crystal structure in which the molecular directions in the molecular planes adjacent to each other are antiparallel to each other is produced by using a carboxylic acid having a carbon-carbon double bon...  
WO/2003/095503A1
A catalyst for polymerization of a conjugated diene or the like, comprising a metallocene cation complex of gadolinium compound. For example, it is a catalyst consisting of a metallocene cation complex of trivalent gadolinium compound re...  
WO/2003/091296A1
The invention relates to an initiator composition and method for anionic polymerisation, comprising at least one alkali metal hydride, selected from LiH, NaH and KH and at least one organoaluminium compound. The invention further relates...  
WO/2003/087212A1
A rubber composition based on at least one diene elastomer, a reinforcing agent and a polysulphide siloxane corresponding to general formal (I) wherein the number x, either as a proper number or improper number, is equal to or greater th...  
WO/2003/082932A1
A catalyst composition for the polymerization of conjugated dienes which comprises (A) a metallocene-type complex represented by the general formula (I): (C5R1R2R3R4R5)aMXb·Lc (wherein M is a rare earth metal; C5R1R2R3R4R5 is substitute...  
WO/2003/078482A1
A diene rubber (A) having a weight-average molecular weight (Mw) of 100,000 to 3,000,000, a weight-average molecular weight/number-average molecular weight ratio (Mw/Mn) of 1.30 to 2.50, and a weight-average molecular weight/peak top mol...  
WO/2003/072617A1
A process for synthesizing syndiotactic 1,2-polybutaidene, the process comprising the steps of (1) polymerizing monomer consisting essentially of 1,3-butadeine monomer within an organic solvent that includes at least 50% by weight of ali...  
WO/2003/070797A1
A conjugated diene rubber which comprises 40 to 99.9 wt% of units of a conjugated diene monomer, 0 to 59.9 wt% of units of an aromatic vinyl monomer, and 0.1 to 20 wt% of units of a polar monomer and having a Mooney viscosity (M1) of 20 ...  
WO/2003/068831A1
A bicyclic conjugated diene polymer obtained by polymerizing a bicyclic conjugated diene monomer component comprising at least one compound represented by the general formula (I); and a bicyclic conjugated diene copolymer obtained by cop...  
WO/2003/064480A1
Polymers produced by copolymerizing a conjugated diene monomer with an &agr ,β-unsaturated nitrile monomer in the presence of a mercapto-bearing molecular weight modifier and having a residue of the molecular weight modifier of 40 ppm o...  
WO/2003/064484A1
This invention relates to metal complex compositions, their preparation and their use as catalysts to produce polymers of conjugated dienes through polymerization of conjugated diene monomers and copolymers of conjugated dienes with arom...  
WO/2003/054028A1
The present invention relates to catalyst systems of the Ziegler-Natta type, to a process for preparing them, to their use for the polymerization of olefins and to ethylene copolymers which can be prepared using this catalyst system.  
WO/2003/053899A1
A specific diene compound (1) having high−purity is obtained, without using any special reagent or complicated technique, from a mixture of the diene compound (1) and a compound (2) which is difficult to separate by distillation and ha...  
WO2002077045A3
A process for producing polymer particles in a gas phase polymerization reaction using a group 4 metal complex containing delocalized pi -electrons and optionally a flow aid.  
WO/2003/044065A2
Disclosed is a method for the production of optionally coupled, non-blocking polymers based on conjugated dienes and optionally monovinyl aromatic compounds by anionic polmerization in an inert organic solvent in the presence of a lithiu...  
WO/2003/033545A2
This invention relates to metal complex compositions, their preparation and their use as catalysts to produce polymers of conjugated dienes through polymerization of conjugated diene monomers. The used metal complex compositions are tran...  
WO2002085952A3
The invention relates to polymers which are modified along a polymer chain on the basis of conjugated dienes or conjugated dienes and vinyl aromatic compounds having a proportion of vinyl aromatic compounds of up to 60 wt. %, a proportio...  
WO/2003/018644A1
A catalyst composition that is the combination of or the reaction product of ingredients comprising (a) an iron-containing compound, (b) an $g(a)-acylphosphonate diester, and (c) an organoaluminum compound.  
WO/2003/017732A1
In a method of making an organic electroluminescent device, a transfer layer is solution coated on a donor substrate. The transfer layer includes a polymerizable, amorphous matrix with a light emitting material disposed in the matrix. Th...  
WO2002060958A3
The present invention provides functionalized electrophiles, their analogous initiators, and processes for preparing these compounds. The present invention also relates to homotelechelic, heterotelechelic, and radial functional polydiene...  
WO/2003/010214A1
An emulsion polymerization process for the preparation of polybutadiene grafted with styrene and acrylonitrile monomers in a reaction system is provided. The resultant product has a low end content of unreacted residual monomers, low yel...  
WO/2003/008470A1
The invention concerns a linear or branched diene elastomer having cyclic vinyl units. The inventive linear diene elastomer is derived at least from a conjugated diene, and comprises cyclic vinyl units in a weight proportion not less tha...  
WO/2002/102861A2
A process is described for the homo- and co-polymerization of conjugagted dienes characterized in that it is carried out in the presence of a catalytic system comprising a complex having general formula (II): Fe(L)n(X)s wherein n is an i...  
WO/2002/085952A2
The invention relates to polymers which are modified along a polymer chain on the basis of conjugated dienes or conjugated dienes and vinyl aromatic compounds having a proportion of vinyl aromatic compounds of up to 60 wt. %, a proportio...  
WO/2002/081082A1
A catalyst composition that is the combination or reaction product of ingredients including a halogen-containing iron compound or an iron-containing compound and a halogen-containing compound; a silyl phosphonate; and an organoaluminum c...  
WO/2002/079267A1
A process for the manufacture of a baleable lithium carboxylate polymer. The process includes polymerizing at least one conjudated diene in the presence of an organolithium initiator to a substantial completion. Thereafter, the polymeriz...  
WO/2002/077045A2
A process for producing polymer particles in a gas phase polymerization reaction using a group 4 metal complex containing delocalized $g(p)-electrons and optionally a flow aid.  
WO2002020623A9
The invention concerns a method for preparing a dilithium initiator for use in anionic polymerisation, a method for preparing by anionic polymerisation a living diene elastomer provided with a carbon-lithium group at each of its chain en...  
WO2001004164A3
Organic compounds are hydrogenated in the presence of certain bis(pentadienyl) divalent Group IV metal complexes having pi -bound, neutral, conjugated diene ligands. These complexes are effective hydrogenation catalysts for polymers cont...  
WO/2002/068484A1
A continuous process for producing conjugated diene polymers comprising the steps of contacting, within an hydrocarbon solvent and within a continuous reactor, conjugated diene monomer and a catalyst composition prepared by combining: (a...  
WO/2002/066523A1
A catalyst composition that is the combination of or reaction product of ingredients that include an iron-containing compound, a silyl phosphonate, and an organoaluminum compound is provided. This composition can be used to catalyze the ...  
WO/2002/064648A1
Provided are polymers which have high Tg's and main chains of fluorinated alicyclic structures containing functional groups in such high concentrations that the functional groups can sufficiently exhibit their characteristics, and proces...  
WO2001068716A3
The invention is related to a novel compound represented by NdHA4 wherein A is a carboxylate, and to a diene polymerization catalyst using the novel compound. NdHA4 has monomeric structure and does not contain water, bases and salts. NdH...  

Matches 451 - 500 out of 5,605