Patents for C08F 6 - Post-polymerisation treatments (8,582)
08/2008
08/12/2008US7410620 Eliminates the need for VOCs; Apparatus includes a filter for separating polymer particles, a rotation device to separate the particles from the filter, a heater to melt the polymer particles, where separation of polymer from the high pressure fluid stream occurs under steady-state
08/07/2008US20080188586 Drying in fluidized bed; agglomeration; crosslinking; hygiene articles; thickening wastes; agriculture
08/07/2008DE102007006105A1 Verfahren zur Herstellung telecheler Polymere Process for the preparation of telechelic polymers
08/06/2008EP1951766A1 Polymerization process and reactor system
08/06/2008EP1951392A1 Tube bundle heat exchanger and method for removing dissolved substances from a polymer solution
08/06/2008CN101238156A Process for producing purified polytetrafluoroethylene aqueous-dispersion
08/06/2008CN101238155A Method of taking (meth)acrylic ester polymer out of liquid reaction mixture
08/06/2008CN101235107A Method for preparing environment-friendly type adhesive by using sodium hydrogen sulfite to process dissociative aldehyde
07/2008
07/30/2008EP1949011A1 Process for preparing water-absorbing polymer particles
07/30/2008EP1948672A1 Catalysts for catalytic chain transfer
07/30/2008EP1948442A2 Multilayer composite structure with epoxide containing adhesive layer
07/30/2008EP1497339B1 Anhydrous, liquid phase process for preparing hydroxyl containing polymers of enhanced purity
07/30/2008CN101233175A Process for production of coagulated latex particles
07/30/2008CN100406477C Method of purifying powdery resin
07/29/2008US7405266 having terminal carboxylic acid or carboxylic acid derivative group that is sterically hindered by an alkyl or aryl group on the alpha-carbon, which enables greater control of the rate of hydrolytic degradation of polymer derivatives; solvent precipitation; biodrug conjugates
07/29/2008CA2444015C Ultra high molecular weight polyolefin useful as flow improvers in cold fluids
07/24/2008US20080176997 polyethylene oxide based surfactants; improving the electrostatic stability of latexes
07/23/2008EP1517926B1 Oxygen tailoring of polyethylene film resins
07/23/2008CN100404560C Process for forming purified elastomers from solution
07/17/2008US20080171847 Vibratory excitation of polyethylene terephthalate and polyurethane at around their reaction temperature in a vibrating trough transversely to the direction of longitudinal extension of the trough; a spiral movement
07/17/2008US20080171838 Improvements in removal of polymer slurry from reactor for olefin slurry polymerization, in particular relating to olefin polymerization process wherein produced polymer is sequentially discharged through sequentially operated settling legs
07/16/2008EP1944325A1 Process for production of polymer using iron complex as catalyst
07/16/2008EP1943280A1 Method of reducing gels in polyolefins
07/16/2008EP1943279A1 Method of preparing vinylchloride-based resin capable of producing plastisol with low viscosity, vinylchloride-based resin prepared using the method, method of preparing vinylchloride-based plastisol, and vinylchloride-based plastisol prepared using the method
07/16/2008EP1660557B1 Method of separating a poly (arylene ether) from a solvent
07/16/2008CN101220114A Process for preparing polyvinyl chloride paste resin with mixing method
07/16/2008CN101220109A Supercritical fluid devolatilization method of verelite
07/16/2008CN101220105A Method for preparing high molecular compound
07/15/2008US7400941 Method and apparatus for monitoring polyolefin production
07/15/2008US7398606 Process for the production of SAP
07/10/2008WO2008080782A1 Process for the polyolefin finishing
07/09/2008EP1942118A1 Fluororesin with low fluorine-containing emulsifier residual and method for producing same
07/09/2008EP1229056B1 Process for producing polymer particles
07/09/2008CN101215350A 改性纳米复合水凝胶及其制备方法 Modified nanocomposite hydrogels and its preparation method
07/08/2008US7396892 Interstitially mixed multimodal polyethylene copolymer containing low molecular weight copolymer of ethylene and olefin monomer, and a higher molecular weight ethylene homo- or copolymer; slurry copolymerization in H2 and light solvent; polymerizing product with ethylene and lower H2 concentration
07/08/2008US7396879 Method for reducing residual monomer in a polymer matrix
07/03/2008WO2008042783A3 Methods for purifying polymers using solid scavengers
07/02/2008CN101213242A Chemical process
07/01/2008US7393916 melt extruding polyethylene compositions through one or more active screen(s) in order to lower the number of gels in the melt and form a film having improved film appearance
07/01/2008US7393909 Porous, molecularly imprinted polymer and a process for the preparation thereof
06/2008
06/24/2008US7390869 Process for removing metal species in the presence of hydrogen and a porous material and polyester polymer containing reduced amounts of metal species
06/19/2008US20080146698 transproting a solvent (formic acid)-laden polymeric fibers ( polyamide) , through a solvent stripping zone wherein infrared radiation irradiates the nonwoven web and a solvent stripping fluid such as air, hydrocarbon, co2 etc. impinges on the nonwoven web in order to reduce the solvent concentration
06/18/2008EP1931442A2 Method for production of high solids silicone resin coating solution
06/18/2008CN101203534A Enzymatic decomposition of residual formamide in polymers
06/18/2008CN101203307A Hydrotreating polyester precursors
06/18/2008CN101200507A Method for removing solvent from chlorinated polyvinyl chloride chloride solution
06/17/2008US7388069 Method to purify poly(vinyl alcohol)
06/15/2008CA2614456A1 Polyisobutenyl sulfonates having low polydispersity
06/12/2008WO2008069301A1 Process for the recovery of fluoromonomers
06/12/2008US20080139700 Methods for devolatilizing resin solutions and resins produced thereby
06/11/2008EP1928922A1 Method of making a fluoropolymer
06/11/2008CN101195673A Method for removing remained acrylic ester in synthetic latex
06/11/2008CN101195665A Method for forming and synthesizing low pour point deactivator with polyolefin
06/11/2008CN100393792C Oil-resisting rubber modified polystrene composition
06/11/2008CN100393774C Process for working up polymer dispersions in polyesterpolyols
06/11/2008CN100393657C Multi-functional admixtures for hydraulic cement compositions
06/10/2008US7385022 Polythiocarbonate polythiol
06/10/2008US7385002 Process for preparing resin binder for toner
06/10/2008US7384608 Batchwise heating apparatus and method of drying a polyamide
06/05/2008WO2008065098A1 Styrene-containing polymers containing a zeolite of the mfi type
06/05/2008US20080132677 Method of drying a material having a cohesive phase
06/05/2008US20080132674 Method for the Production of an Aqueous Polymer Dispersion
06/04/2008EP1587847B1 Process for refining crude resin for electronic material
06/04/2008EP1297036B1 Continuous, solvent-free process for making terpolymers of maleic anhydride, c 1-4 alkyl vinyl ether and isobutylene
06/04/2008CN101193923A Aqueous emulsion polymerization of fluorinated monomers in the presence of a partially fluorinated oligomer as an emulsifier
06/03/2008US7381761 Method for producing silicone-treated polymers
05/2008
05/29/2008WO2008062653A1 Method for producing aqueous fluorine-containing polymer dispersion with reduced fluorine-containing emulsifier content
05/29/2008US20080124498 Laser marking of pigmented substrates
05/29/2008DE19623412B4 Verfahren zur Herstellung von Polymerisatpulver A process for producing polymer powders
05/28/2008CN101186672A Water solution polymerization preparation method for dimethyl diallyl ammonium chloride and acrylamide copolymers
05/28/2008CN101186669A Method for preparing microemulsion of fluorinated ethylene propylene powder
05/28/2008CN100390224C Method for eliminating residual monomer N-vinyl-pyrrolidone in polymer
05/22/2008WO2008059974A1 Method for producing syndiotactic propylene polymer
05/22/2008WO2008058970A2 Method for the removal of isobutene oligomers from an isobutene polymer
05/22/2008US20080119635 Method for Removing Metal and Method for Producing Polymer
05/22/2008US20080119623 Superior in viscosity stability, water resistance of its film and ability of preventing a scale from depositing on the inner wall of a polymerization reactor; polyvinyl alcohol obtained through saponification of a polyvinyl ester that contains monomer units having a silyl group
05/21/2008CN100388958C Apparatus and method for removal of volatiles from a mass processable polymer
05/15/2008US20080112886 Engineering shape of polymeric micro- and nanoparticles
05/15/2008US20080112876 Heating a resorcinol-aldehyde resin in absence of an acid or base catalyst at a temperature from about 130 degrees C. to about 180 degrees C. for a sufficient amount of time to render the resin stable in an aqueous solution; aerogels and xerogels
05/15/2008US20080110578 Industrial Evaporation Apparatus
05/14/2008EP1921108A1 Method for reducing pollutant emissions and/or odorous substances in polymer materials
05/14/2008CN101180301A Process for continuous production of olefin polyhedral oligomeric silsesquioxane cages
05/13/2008US7371808 Includes device for depressurizing polymer product containing reactant; degassing extruder; and vent box connected upstream of extruder that has a volume equal to or more than that of the reaction vessel and in which the reactant is separated from the polymer product
05/08/2008WO2008052943A1 Process for improving devolatilization of polymer slurry produced in a polymerization reactor
05/08/2008WO2008027989A3 Polymer mechanical damping composites and methods of production
05/08/2008US20080105421 Heat exchanger and process for devolatilizing polymer using same
05/07/2008EP1918318A1 Process for purification and drying of polymer hydrogels
05/07/2008EP1918308A1 Process for improving the devolatilization of polymer slurry produced in a polymerization reactor
05/07/2008CN100386347C Process for producing powdery linear polymer having inproved powder properties
05/06/2008US7368526 blending polyether ketone polymers with polyimides, then shaping, annealing, contacting with primary amines to affect decomposition of the polyimide phase in said shaped article into low molecular weight fragments, removing the fragments, washing and drying the porous article; fluid separation membranes
05/06/2008US7368521 concurrent spray crystallization and solid state polymerization of amorphous polycarbonates, to produce high-molecular weight resins having uniform physical properties; molecula weight control
05/06/2008US7368061 Process and device for the production of elastomer-modified thermoplastics
05/02/2008WO2008027858B1 Recirculation loop reactor bulk polymerization process
05/01/2008US20080103289 Process for stripping polymer dispersions
05/01/2008US20080103288 Contact lens extraction/hydration systems and methods of reprocessing fluids used therein
04/2008
04/30/2008EP1916263A1 Process for producing purified polytetrafluoroethylene aqueous-dispersion
04/30/2008EP1916262A1 Method of taking (meth)acrylic ester polymer out of liquid reaction mixture
04/30/2008EP1287048B2 Polyacrylamide hydrogel and its use as an endoprosthesis
04/30/2008DE102007046686A1 Viscous temperature-sensitive polymers precipitation, involves utilizing non-polar solvent or solvent mixtures, where solutions are removed with polar solvent
04/30/2008CN101171269A Method for producing fluorine-containing polymer and fluorine-containing polymer produced by such method
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