Patents for C08F 6 - Post-polymerisation treatments (8,582)
01/1983
01/18/1983US4369266 Concentrated dispersions of fluorinated polymers and process for their preparation
01/18/1983US4369092 Process for removing monomer from vinyl chloride resin slurry by steam treatment and apparatus employed therefor
01/12/1983EP0069461A1 Process for purifying propylene polymers
01/11/1983CA1139496A1 Process for removing unreacted monomers from polymerization slurries
01/11/1983CA1139485A1 Process for polymerizing terpolymer polyblends having low surface gloss
01/05/1983EP0068561A1 Process and device for the preparation of polymer melts which are substantially free of volatile components
01/05/1983EP0068146A1 Process to deodorize propylene polymer obtained with a Ziegler-Natta catalyst
01/04/1983US4367331 Depressurization, protective colloids
01/04/1983CA1139047A1 Process for treating olefinic polymers
01/04/1983CA1138769A1 Process for stripping volatile material from aqueous latex
12/1982
12/22/1982EP0067645A1 Deactivation of catalyst in solution process for polymerization of alpha-olefins
12/21/1982US4365057 Method for drying polyolefins
12/21/1982US4365027 To form cyanoethyl oximino ether linkage
12/14/1982CA1137688A1 Process for reducing the residual monomer content in vinyl chloride polymer dispersions sensitive to shear and/or temperature stresses
12/14/1982CA1137671A1 Ultrafiltration process for the concentration of polymeric latices
12/07/1982US4362865 Method for continuous soluble polypropylene recovery from hydrocarbon polymerization media
11/1982
11/30/1982US4361462 Method and apparatus for removing volatile matter from highly viscous material
11/25/1982WO1982004053A1 Process for producing propylene polymer or copolymer
11/23/1982US4360629 Nonsolvent preconcentration of polymeric cycloolefins
11/23/1982US4360601 Process for extraction of fluorinated copolymers with fluorocarbons
11/23/1982US4360561 Binder for manufacturing nonwovens
11/23/1982US4360488 Removal of solvent from gels of poly(hydroxybutyrate) and shaped articles formed therefrom
11/16/1982CA1135724A1 Removal of acrylonitrile from acetonitrile
11/09/1982US4358560 Antiagglomerants
11/02/1982US4357464 Removal of 2-isopropenyl-2-oxazoline monomer
11/02/1982US4357270 Alkyl acrylate homo or copolymers nonionic surfactants
10/1982
10/19/1982US4355157 Hot water precipitation of resins containing maleic anhydride
10/19/1982US4355146 Process for removing water-soluble protein from vinyl chloride resin
10/13/1982EP0062127A1 Deactivation of catalyst in solution process for polymerization of alpha-olefins
10/05/1982CA1133197A1 High pressure separation device for polyphase mixes made up of a liquid draplet carrying gas
09/1982
09/14/1982CA1131849A2 Low energy recovery compounding and fabricating systems for plastic materials
09/07/1982CA1131081A1 Binder for manufacturing tufted floor coverings
09/01/1982EP0059106A2 Process for the separation treatment of polymer from polymer solution
08/1982
08/25/1982EP0058311A1 Process for the preparation of non agglomerating, fine-grained chlorinated polyethylene
08/25/1982EP0058301A1 Process for the preparation of water-resisting, film-forming chlorinated polymers
08/18/1982EP0057961A2 Method for the production of aqueous solutions of a salt of a maleic anhydride-dicyclopentadiene copolymer
08/17/1982CA1130039A1 Continuous removal of monomers from an aqueous dispersion of a polymer
08/11/1982EP0057408A2 Process for producing graft copolymer
08/10/1982CA1129591A1 Process for producing powdered copolymers of ethylenically unsaturated compound and maleic anhydride or an ester thereof
08/04/1982EP0056896A1 Extraction process for fluorinated polymers
08/03/1982US4342853 Process for manufacturing ethylene polymers
07/1982
07/27/1982US4341891 Method for reducing gels in polyolefin
07/27/1982CA1128375A1 Binder for manufacturing nonwovens
07/20/1982US4340723 Process for the preparation of a copolymer of α-methylstyrene
07/20/1982US4340722 Method of preparing homo and co-polymers of vinyl chloride adapted to give plastisols from a latex containing two populations of particles
07/20/1982US4340702 Ultrafiltration of vinyl resin latices and reuse of permeate in emulsion polymerization
07/20/1982US4340701 Removal of olefin monomer from olefin polymer
07/13/1982US4339623 Monomer/solvent purification
07/13/1982CA1127793A2 Process for the production of polyvinyl chloride of low vinyl chloride content
07/08/1982WO1982002205A1 Recovery of chlorinated poly(vinyl chloride)
07/07/1982EP0055496A1 Method for removing vinyl chloride from an aqueous sluray of polyvinyl chloride particles
07/07/1982EP0055446A1 Method for production of polyolefins which form articles having fewer gel discontinuities
07/06/1982EP0047253A4 Process for recovering vinyl polymers from emulsion polymerization latices.
06/1982
06/23/1982EP0054268A1 Process and composition for extrusion of Ziegler-Natta catalyzed olefin polymers
06/22/1982US4336173 Process for preparing an aqueous emulsion or dispersion of a partly water-soluble material, and optionally further conversion of the prepared dispersion or emulsion to a polymer dispersion when the partly water-soluble material is a polymerizable monomer
06/08/1982US4334057 Continuous process for recovering polymers from their latexes
06/01/1982US4332933 Process for treating olefinic polymers with steam
06/01/1982CA1124896A1 Reducing residual acrylonitrile in water dispersions of acrylonitrile polymers
05/1982
05/25/1982US4331791 Olefins, catalyst deactivation
05/25/1982CA1124447A1 Separation process for low pressure manufactured polyolefins
05/11/1982CA1123539A1 Method for improving color and impact strength of nitrile polymers
05/10/1982EP0042001A4 Emulsion polymerization process for producing vinyl dispersion resins.
04/1982
04/27/1982CA1122745A1 Preparation of refined olefin/maleic acid copolymers
04/21/1982EP0050070A2 Sterilisation of vinyl-halide polymer articles with ionizing radiations
04/21/1982EP0049784A2 Process to remove residual vinyl-chloride from vinyl-chloride polymers
04/20/1982CA1121984A1 Apparatus for eliminating residual solvent from crumbled polymer
04/14/1982EP0049647A1 Process for preparing water-soluble acryl polymers and copolymers with a high molecular weight and a low content of residual monomers
04/06/1982CA1121550A1 Transparent and translucent poly(butene-1)
03/1982
03/23/1982US4321106 Spreading mechanically, removing vapors
03/23/1982CA1120624A1 Reducing residual acrylonitrile in water dispersions of acrylonitrile polymers
03/17/1982EP0047253A1 Process for recovering vinyl polymers from emulsion polymerization latices.
03/16/1982US4319409 Apparatus for drying chlorinated polymers
03/16/1982CA1120062A1 Removal of organic chlorides from synthetic oils
03/16/1982CA1119916A1 Process for dewatering a grafted rubber latex
03/10/1982EP0047077A1 Degassing process for removing unpolymerized monomers from olefin polymers
03/09/1982US4319021 Method for high temperature phase separation of solutions containing ethylene copolymer elastomers
03/09/1982CA1119750A1 Gas purification process used in polymer condensate particle recirculation
03/03/1982EP0046696A1 Rotating disc evapo-extrusion process and apparatus therefor
03/02/1982US4317788 Method for modifying surface properties of a shaped article of an acrylic resin
03/02/1982CA1119349A1 Polymerization process
02/1982
02/24/1982EP0046363A1 Process for the preparation of 2-thio penem derivatives and intermediates therefor
02/16/1982US4316008 Chelation with an alpha-hydroxy sulfonic acid
02/16/1982US4315843 Thin film monomer removal from polyvinyl chloride latexes
02/16/1982CA1118368A1 Mechanical dewatering process for elastomer slurries
02/09/1982CA1118146A1 Method of recovering energy in the manufacture of polymers from monomeric gas and apparatus for carrying out the method
02/09/1982CA1118142A1 Manufacture of polyvinyl chloride of low vinyl chloride monomer content by treatment of wet polyvinyl chloride
02/09/1982CA1118120A1 Process for continuous coagulation and washing of polymer latices
02/02/1982US4314053 Process for reducing polyolefin die smoke
01/1982
01/27/1982EP0044511A2 Process for recovering rubberlike polymer from solution thereof
01/19/1982US4311828 Method for modifying surface properties of shaped articles of polymeric materials with low temperature plasma
01/19/1982US4310973 Drying polymer solutions
01/13/1982EP0043464A2 Process for preparing copolymer dispersions with narrow particle-size distribution and dilatant flow behaviour in a wide range of concentrations
01/08/1982EP0038345A4 Ultrafiltration of vinyl resin latices and reuse of permeate in emulsion polymerization.
12/1981
12/23/1981EP0042001A1 Emulsion polymerization process for producing vinyl dispersion resins.
12/22/1981US4306955 Photopolymerized acrylic polymer essentially devoid of residual monomer(s)
12/15/1981US4306048 Method for preparing acrylamide polymers
12/15/1981US4306045 Process for producing acrylamide polymers
12/01/1981US4303479 Distillation separation method
11/1981
11/24/1981US4302576 Lactone copolymers as stripping aids in recovery of polymer from solution
11/24/1981CA1112820A1 Melt processing of fluorinated polymers
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