Patents for C08F 6 - Post-polymerisation treatments (8,582)
05/1979
05/01/1979CA1053847A1 Melt finishing process for polymers produced by vapor state polymerization processes
04/1979
04/24/1979US4151141 Process for continuously removing volatile organic material from aqueous dispersions of synthetic polymers
04/18/1979EP0001446A1 Method to prevent foaming during the removal of residual monomers from aqueous dispersions of vinylchlorid polymers
04/18/1979EP0001420A1 Method for the second treatment of thermally pre-treated tetrafluoro-ethylene polymers connected with an improvement of the flowing properties, and polymeric powders treated in such a way
04/17/1979US4150219 Color stabilization of vinyl chloride resins with peroxides and epoxy compounds
04/17/1979CA1052925A1 Aqueous emulsion of vinyl chloride
04/10/1979US4148991 Method of coagulating polymer latex emulsions
04/10/1979US4148990 Continuous removal of monomers from an aqueous dispersion of a polymer
04/10/1979CA1052488A1 Fluoroelastomer latex
04/03/1979US4147859 Process for removal of chloroform and carbon tetrachloride from chlorinated polyvinyl chloride
04/03/1979US4147845 Reducing the monomer content in expandable thermoplastic beads
03/1979
03/27/1979US4146691 Process for producing cyclopentadiene resins
03/27/1979CA1051585A1 Process for removing residual vinyl chloride from the polymer
03/27/1979CA1051573A1 Free-flowing beads of particles of an acrylate elastomer
03/21/1979EP0001150A2 Process for the separation of low-pressure polyolefins comprising the addition of carbon monoxide to the reaction mixture
03/20/1979US4145502 Spheroidal particulate polytetrafluoroethylene dispersion resin
03/20/1979CA1051137A1 Process for concentrating latices
03/06/1979US4143085 Method for isolating low molecular weight polymer
03/06/1979CA1050198A1 Process for the purification of low pressure-polymerized polyolefins
02/1979
02/27/1979US4142039 Degassing, deactivation with liquid hydrocarbon, an aliphatic alcohol, and an organic chloride
02/27/1979US4141932 Combined emulsion and suspension process for producing graft ABS bead-like particles
02/27/1979CA1049680A1 Process to minimize yellowness in articles formed from acrylonitrile-styrene compositions
02/27/1979CA1049677A1 Process for removing residual mercaptan from high nitrile polymers
02/21/1979EP0000766A1 Process for the preparation of ethylene homo and copolymers
02/20/1979US4140665 Coagulating a polymer dispersion in the presence of a heat sensitizing agent
02/13/1979US4139697 Azo or peroxy compounds
02/07/1979EP0000524A1 Process of recovering polymeric beads from an aqueous slurry thereof
02/07/1979EP0000513A1 Process for the reutilisation of decantation material resulting from the treatment of waste water from the production of polystyrene
02/06/1979US4138539 Process for water-soluble synthetic polymer in powder form
02/06/1979US4138310 Continuous process for the removal of residual monomer from aqueous dispersions of homo- and copolymers of vinyl chloride
01/1979
01/30/1979CA1047699A1 Method for stripping unreacted mono-olefinic monomers
01/23/1979US4136251 Extrusion process for recovery of polymers from their dispersions in liquids
01/23/1979US4136088 Method for recovering low molecular weight polymers
01/16/1979CA1046698A1 Recovery of flexible and rigid materials from scrap polyvinylchloride, its copolymers and congeners
01/10/1979EP0000161A1 Process for reducing the amount of residual monomers during the polymerisation of vinyl lactams and vinyl esters
01/02/1979US4132845 Mechanical dewatering process for elastomer slurries
01/02/1979US4132844 Treatment of acrylamide polymer gel
01/02/1979US4132006 Chlorinated polyolefins, atomizing, two fluidized bed drying zones
12/1978
12/26/1978US4131603 Heat sensitizing mixture comprising an amide and a heat sensitizing agent which is a poly(alkylene oxide) containing urethane groups
12/26/1978CA1045286A1 Process and composition for breaking emulsions
12/19/1978US4130527 Method of treating a polymer latex to remove unreacted monomer by treatment in a column
12/19/1978US4130456 Apparatus for removing unreacted monomer from slurry
12/05/1978US4128517 Method of washing polymer latices by aerating
12/05/1978US4128516 Process for the gentle degasification of coagulation-sensitive PVC latices
11/1978
11/21/1978US4126743 Hydrocarbon or halogenated hydrocarbon solvent
11/14/1978CA1042589A1 Method for prepartion of abs type resins
11/07/1978US4124658 Devolatilization of styrene polymers with sulfonylhydrazides
11/07/1978CA1042127A1 Continuous method of agglomerating aqueous latices and apparatus therefor
10/1978
10/31/1978US4123405 Process for producing aqueous emulsions of vinyl chloride/vinyl acetate/ethylene terpolymers
10/24/1978US4122249 Solvent removal from chlorinated polymers
10/24/1978US4122126 Method for removing aluminum halide catalyst from polymerization product
10/24/1978CA1041246A1 Color improvement in stabilized polyolefin resins
09/1978
09/26/1978US4117220 Removal of vinyl chloride from pvc resins using microwave radiation
09/26/1978US4117219 Process for producing stabilized polyolefins
09/19/1978US4115640 Treated with a gas which forms an acid in aqueous solutions
09/19/1978US4115477 Process for recovering graft copolymers latex solids wherein a fines fraction is recycled and incorporated in said solids
09/12/1978US4113796 Precipitation, agglomeration, grain size
09/12/1978CA1038548A1 Process for copolymerizing styrene and acrylonitrile
09/05/1978US4112215 Copolymeric resin binder powders
09/05/1978CA1038094A1 Process for the manufacture of free-flowing pulverulent rubber
08/1978
08/29/1978CA1037632A1 Continuous process for preparing a spinning solution of polyacrylonitrile polymers
08/22/1978CA1037197A1 Fluoroelastomers in powder form
08/15/1978US4107787 Screw extruder for continuously processing and degasing of elastomers and polymers having a viscosity of more than 1,000 poise
08/15/1978US4107422 Solvent removal from polymer solutions
08/15/1978US4107421 Purging with inert gas
08/15/1978US4107113 Autoxidisable composition
08/08/1978US4105842 Polyethylene
08/08/1978US4105609 Deactivation of catalysts of the ziegler type used for the preparation of polyethylene in high pressure, high temperature processes
08/08/1978US4105510 Process for removing water from water soluble polymer
08/01/1978US4104459 Treating polyvinyl chloride resins
07/1978
07/25/1978US4102842 Water-insoluble, hydrophilic gels and a method for the preparation of the same
07/18/1978US4101481 An amide to provide aging resistance
07/11/1978US4099335 Drying and finishing operations in slurry or bulk phase polymerization processes
07/04/1978US4098992 Method for continuous soluble polypropylene recovery from hydrocarbon polymerization media
07/04/1978US4098991 Removal of catalytic residues from hydrogenated thermoplastic or elastomeric polymers
07/04/1978US4098990 Process for the purification of low pressure polymerized polyolefin powder using recycled, anion-exchange treated water
06/1978
06/20/1978US4095947 Recovery of sizes
06/13/1978US4094942 Method for removing unreacted monomer
05/1978
05/30/1978US4092471 Method for removing unreacted monomers from aqueous dispersions of polymerizate
05/23/1978US4091200 Ethylene-vinyl acetate copolymerization process
05/02/1978US4087602 Multi-stage isolation of high pressure polyethylene
05/02/1978US4087601 Manufacture of ethylene/n-butyl acrylate copolymers
04/1978
04/25/1978US4086414 Steam stripping polyvinyl chloride resins
04/25/1978US4086413 Purification of copolymers containing crotonic acid
04/25/1978US4086412 Method for removing a vinyl halide from polyvinyl halide-containing slurry
04/25/1978US4086411 High energy radiation
04/11/1978US4083819 Process for preparing prepolymers or precopolymers of diallyl phthalate in a solid state
04/04/1978US4082910 Multi-stage isolation of high pressure polyethylene
04/04/1978US4082659 Process for concentrating latices
03/1978
03/21/1978US4080495 Chlorinated polymers, solvents
03/21/1978US4080352 Process for continuously coagulating an aqueous latex and consolidating as a paste coagulum
03/07/1978US4078129 Alkali metal borate coagulant
03/07/1978US4077135 Removal of residual monomer
02/1978
02/28/1978US4076927 Process for producing sulfur modified polychloroprene
02/14/1978US4074041 Process for preparing solid water soluble polymers
02/07/1978US4072739 Process for the removal of uranium contained in homo- and co-polymers of mono- and diolefines
01/1978
01/10/1978US4068061 Process for the continuous preparation of reactive copolymers
01/10/1978US4068060 Method of removing oligomers from olefin monomer vapor in the polymerization of olefins
12/1977
12/27/1977US4065610 Washing with alcohol and glycidyl compound
12/20/1977US4064093 Process for preparing grafted rubber latices free of coagulum
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