Patents for C08F 6 - Post-polymerisation treatments (8,582)
10/2000
10/04/2000EP1040135A1 Method for preparing an aqueous polymer dispersion, resulting aqueous dispersion and use thereof
10/04/2000EP0851877B1 Method for concentrating aqueous tetrafluoroethylene emulsion by electrodialysis and its apparatus
10/04/2000CN1057101C Reduction of polymerization inhibitor in recycle stream
10/03/2000CA2189288C Method for removal of heavy metal alkoxide compounds from liquid hydrocarbon
09/2000
09/28/2000WO2000056795A1 Catalytic processes for the controlled polymerization of free radically (co)polymerizable monomers and functional polymeric systems prepared thereby
09/27/2000EP1038903A1 Redispersible emulsion powder and process for producing the same
09/26/2000US6124426 Method for removing volatile materials from a polymer composition
09/26/2000US6123446 Mixing apparatus for highly viscous products
09/26/2000CA2019556C Precipitation polymerization of terpolymers of a vinyl lactam a polymerizable carboxylic acid and a hydrophobic monomer in an aliphatic hydrocarbon solvent
09/21/2000WO2000055220A1 Solvent-free, fine white powders of a copolymer of maleic anhydride and a c1-c4 alkyl vinyl ether substantially free of poly(alkyl vinyl ether) homopolymer
09/21/2000WO2000055219A1 Solvent-free, fine white powders of high molecular weight copolymers of maleic anhydride and a c1-c4 alkyl vinyl ether without odor or taste
09/20/2000CN1267229A Method for reducing formation of foam during treatment of dispersion or liquid with water vapour
09/20/2000CN1056623C Process for devolatilization of copolymer contg. styrene-maleic anhydride
09/20/2000CN1056622C Method for product recovery of polyolefins
09/20/2000CN1056621C Mehtod for removing volatiles from polymerized monovinyl aromatic compounds
09/14/2000WO2000053306A1 Diluent slip stream to give catalyst wetting agent
09/14/2000DE19911170A1 Verfahren zum Herstellen von W/O-Emulsionen A method of producing W / O-emulsions
09/13/2000EP1035140A2 Quality control method for ABS-based resin and molding of the ABS-based resin
09/13/2000EP1035139A1 Process for preparing w/o emulsions having reduced content of residual monomers
09/13/2000EP1034192A1 Method for producing water-soluble or water-swellable polymerizates with a very low residual monomer content, products produced according to this method and the use thereof
09/13/2000EP1034191A1 Method for producing synthetic polymerizates with a very low residual monomer content, products produced according to this method and the use thereof
09/12/2000US6117972 Introducing steam into polymer dispersions
09/06/2000EP1033377A1 Polymer devolatilisation process
09/05/2000US6114501 Diluent recycle process
09/05/2000US6114423 Redispersable cross-linkable dispersion powders
09/05/2000US6114415 A batchwise or continuous process comprising filling a divided aperature-containing receptacle with one fluid, e.g latex,; injecting the other fluid, e.g., coagulant, and maintaining an oscillatory or impulsive flow to form eddies and vortices
09/05/2000CA2100420C Process for the stabilization of olefin polymers
09/03/2000CA2299601A1 Polymer devolatilisation process
08/2000
08/31/2000WO1999060028A3 Continuous volatile removal in slurry polymerization
08/30/2000EP0885259A4 Improved slurry drag reducer
08/29/2000US6110995 Process for preparing novel high solids non-aqueous polymer compositions
08/29/2000US6110981 Cocondensing spray-dry process-generated oil and water to obtain condensed oil and condensed water; separating condensed oil from said condensed water
08/29/2000US6110406 Method for producing molding material
08/24/2000WO2000049053A1 Method for drying coagulated water containing rubber particles
08/24/2000DE19907136A1 Drying of coagulated water-containing rubber particles from emulsion, microemulsion, and microsuspension polymerization, comprises contact of particle surface with aqueous solution of drying agent
08/23/2000EP0960139A4 Elastomer treatment process to decrease peroxide levels
08/17/2000WO2000047635A1 Method for olefin polymerization with recycling of co-catalyst
08/16/2000EP1028128A1 Cycloolefin polymer reduced in catalyst residue content, use thereof, and process for producing the same
08/16/2000CN1263539A Method of recycling cocatalyst for olefin polymerization conducted with metallocene catalyst
08/09/2000EP1026551A1 Binder resin for toners and process for preparing the same
08/09/2000EP1026175A1 Process for producing butene polymer
08/09/2000CN1262694A Process for preparation of rubber-modified aromatic vinyl resin compositions
08/08/2000US6099774 Grinding suspension polymer with units of tetrafluoroethylene and least one perfluoro(alkyl-vinyl) ether and agglomerating the particles in a medium of water without the presence of organic solvent to provide nonpourable powders
08/02/2000EP1024152A1 Removal of volatile organic compounds from polymer latices/dispersions
08/02/2000EP1024151A1 Process for producing low-molecular-weight allylamine polymers or addition salts thereof
08/02/2000EP1023335A1 Method for reducing the content of residual monomers in aqueous polymer dispersions
08/02/2000EP1023331A1 Method for producing polymers stabilised with protective colloids
08/02/2000EP1023330A1 Process for degassing rubber from gaseous phase polymerisation
08/02/2000EP1023120A2 Method and device for extracting rubber from gaseous phase polymerization
08/01/2000US6096858 Removing residual volatiles from polymer dispersions
07/2000
07/26/2000EP1021468A1 Method for reducing residual monomers in liquid systems by adding an oxidation-reduction initiator system
07/26/2000EP1021466A1 Polymerisation processes and products and uses of the products
07/25/2000US6093770 Mixing of an alkali metal iodide, iodine, water and partial hydrolyzed polyvinyl alcohol and monomer, comonomers or mixture, initiator, crosslinker, heating, which forms a complex of iodine, iodide and acetate before polymerization
07/25/2000US6093675 Low VOC emulsion
07/11/2000US6086723 Process for cooling dispersions and liquids
07/05/2000EP1016677A1 Process for preparing styrenic resin
07/05/2000CN1054138C Multiple reaction process in melt processing equipment
07/04/2000US6084144 Applying a direct and/or alternating voltage to a dielectric fluid in which at least a part of the olefin polymerization catalyst complex is dispersed/dissolved and settling out the complex
06/2000
06/29/2000WO2000037510A1 Process for deactivation of polyolefin compositions utilizing carbon dioxide as a deactivation agent
06/29/2000WO2000037506A1 Process for preparing water-soluble styrene/acrylic resins by continuous bulk polymerization
06/28/2000CN1257876A Process for drying elastomer polymer
06/27/2000US6080814 Polyvinyl alcohol purification process
06/22/2000WO2000035971A1 Aqueous dispersions of fluoropolymers
06/21/2000EP1009509A1 Method for reducing the formation of foam during the treatment of a dispersion or a liquid with water vapour
06/21/2000EP0868212B1 Process for the preparation of free-flowing or temporarily free-flowing very acidic cation exchangers
06/21/2000CN1053675C Method for removing catalyst in polymer prepared by atom transferring free radial polymerizing
06/21/2000CN1053674C Method and apparatus for controlling monomer in polymerization reactor
06/15/2000DE19857111A1 Wäßrige Dispersionen von Fluorpolymeren Aqueous dispersions of fluoropolymers
06/14/2000CN1256697A Solid state devolatilization of syndiotactic vinyl aromatric polymers with catalyst deactivation
06/13/2000US6075097 Process for producing conjugated diene diols using carbon dioxide
06/13/2000CA2030066C Polymer treatment process
06/08/2000WO2000032679A1 Halogen-containing vinyl polymer resins and processes for the preparation thereof
06/08/2000CA2353571A1 Halogen-containing vinyl polymer resins and processes for the preparation thereof
06/07/2000EP1006097A1 Oligomerization process
06/06/2000US6072020 Fluorinated polymer purification
06/06/2000US6071999 Process for preparing styrenic resin
06/02/2000WO2000031147A1 Method for the reduction of odour emissions of aqueous protective colloid-stabilised aromatic vinyl-1,3-diene-copolymer dispersions
05/2000
05/25/2000DE19853421A1 Odor emission reduction for aqueous protective vinyl aromatic 1,3-diene copolymer dispersion involves adding 1-8C alkyl esters of mono- or dicarboxylic acids at end of emulsion polymerization
05/24/2000EP1002806A1 Production process for hydrophilic polymer
05/24/2000CN1254349A Polyvinylidene chloride latex and process for preparation thereof
05/23/2000US6066708 Lower amount of imperfections
05/18/2000DE19852065A1 Mischvorrichtung für hochviskose Podukte Mixer for high viscosity Podukte
05/17/2000EP1000657A2 Mixer for highly viscous products
05/11/2000WO2000026280A1 Water re-dispersible granules comprising an active matter in liquid form
05/11/2000WO2000026261A1 Method of removing and recovering boron trifluoride with metal fluoride and process for polyolefin production using the same
05/11/2000WO2000026260A1 Method of stabilizing fluoropolymer
05/10/2000EP0998502A1 Enhanced hydrogenation catalyst removal from block copolymers by reduction in polymer cement viscosity by increasing the vinyl content of the block copolymers
05/10/2000CN1052252C Partialy crystalline cycloolefin copolymer film
05/10/2000CN1052241C Process for purifying polymer
05/09/2000US6060265 Methods for the detoxification of nitrile and/or amide compounds
05/04/2000WO2000024810A1 Complete drying method for hydrogels
05/04/2000DE19849499A1 Verfahren zur vollständigen Trocknung von Hydrogelen Procedures for the complete drying of hydrogels
05/04/2000DE19847115C1 Gegenstrom-Stripprohr The countercurrent stripping pipe
05/04/2000CA2346492A1 Complete drying method for hydrogels
05/03/2000EP0997483A1 Process for the preparation of rubber-modified aromatic vinyl resin compositions
05/03/2000CN1052012C Method for coagulation of agglomerating agent latex
05/02/2000US6057414 Process of plasma treating polymer materials
04/2000
04/26/2000CN1251594A Method of making fluoropolymers
04/25/2000US6054530 Continuous process for the preparation of poly(vinyl acetate) for poly(vinyl alcohol) production
04/20/2000WO2000022018A1 Hydrophilic hydrogels with a high swelling capacity and method for producing and using them
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