Patents for C08J 9 - Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof (41,910)
06/1981
06/30/1981CA1103874A1 Processes and production apparatus for rigid cellular materials comprising polyvinyl chloride
06/30/1981CA1103871A2 Colour-coded cellular insulation
06/24/1981EP0030668A1 Foamed amine terminated reactive liquid polymer/epoxy systems
06/24/1981EP0030556A1 Controlled release of trace nutrients
06/24/1981EP0030535A1 Method and device in manufacturing foamed urea formaldehyde material to be used as a sorbent.
06/23/1981US4275173 Stabilization of polyether polyols and polyurethane foams prepared therefrom
06/23/1981US4275172 Frothable polyurethane composition and a cellular foam produced therefrom suitable for use in joints between wallboards
06/23/1981US4275171 Method for producing flame retardant flexible polyurethane foams with blends of dibromoneopentyl glycol and flame retardant plasticizer
06/23/1981US4275170 Resorcinol-furfural resin
06/23/1981US4275169 Intumescent flexible polyurethane foam having incorporated into the reaction mixture an aliphatic aldehyde
06/23/1981US4275168 Amino acid cell size increasing agent
06/23/1981US4275023 Prefoamed particles are impregnated with a pressurized gas then compression molding
06/23/1981CA1103850A1 Process for the preparation of polymeric foam materials
06/23/1981CA1103849A1 Resin foams
06/23/1981CA1103847A1 Blowing catalyst composition for low density flexible polyurethane foams
06/23/1981CA1103843A1 Crosslinked polyvinyl halide-bis(hydrocarbyl) vinylphosphonate films and foams
06/23/1981CA1103530A1 Composite structure vascular prostheses and process for production thereof
06/17/1981EP0030333A1 Alkyldiphenyl-ether sulfonic acid hydrazides, their production and use as blowing agents
06/16/1981US4273903 Hydrophilic, membranes
06/16/1981US4273901 Dispersible vinylidene chloride polymer microgel powders as additives for polymers
06/16/1981US4273887 Controlling temperature for uniform foaming
06/16/1981US4273886 Polyimides
06/16/1981US4273883 Urea-formaldehyde polymers having reduced formaldehyde emission and cellular urea formaldehyde foam which is resistant to acid-induced hydrolysis
06/16/1981US4273881 Trimethylolpropane, mono- or di-methylphosphonate
06/16/1981US4273880 Foamed polyethylene films
06/16/1981US4273830 Fibrils of cross linked polyester resin having a vesiculated structure
06/16/1981US4273806 Method of forming electrical insulation by extruding polymeric compositions containing hollow microspheres
06/16/1981CA1103400A1 Method of production of compounds showing no shrinkage or increasing their volume in course of setting
06/10/1981EP0030065A1 Object at least locally covered with impact energy absorbing means
06/09/1981US4272583 Flameproofed expandable styrene polymers
06/09/1981US4272467 Solution casting from aprotic solvent
06/09/1981CA1102950A1 Foamable polymer materials
06/09/1981CA1102539A1 Froth aid
06/03/1981EP0029633A2 Polyarylethersulphone copolymers
06/02/1981US4271272 Polyurethane sponges manufactured with additive dispersed therein
06/02/1981US4271271 Fire-retardant monocarboxlylic acid amide copolymers
06/02/1981US4271217 Process for producing polyurethane resins and sheet materials
06/02/1981CA1102500A1 Thermoplastic foamable blends, a foaming method and products made thereby
06/02/1981CA1102498A1 Process for foaming a polymerizable medium using acid sensitive azo compounds with a polymerizable monomer and free radical inhibitor
06/02/1981CA1102497A1 Foamed articles and methods for making same
06/02/1981CA1102227A1 Hot melt thermoplastic adhesive foam system
06/02/1981CA1102070A1 Method of producing electrical insulation foam
05/1981
05/27/1981EP0029288A1 An acoustical-damping fibrous or cellular material, a process for its preparation and a latex composition useful for its preparation
05/26/1981US4269946 Low density high resiliency foams
05/26/1981US4269871 Coating the particles in an aqueous suspension by dissolving a conjugated diene-based polymer in a blowing agent and impregnating
05/20/1981EP0029021A1 Shaped polyurethane article and process for producing the shaped article
05/20/1981EP0028967A1 Process for producing materials absorbing hyperfrequency waves and absorbing material so obtained
05/20/1981EP0028710A1 Process for producing shaped erasers
05/19/1981US4268650 Sulphonated polyaryletherketones
05/19/1981US4268574 Prefabricated self-supporting panels and manufacture process thereof
05/12/1981US4267277 Method of producing urea-formaldehyde resin and foam having reduced formaldehyde emission
05/12/1981US4267081 High solids polyurethane coatings
05/12/1981CA1100985A1 Haloaryl halobenzenesulfonate flame retardants
05/05/1981US4266043 Resilient hydrophobic foamed polymer
05/05/1981US4266042 Polyether-based polyurethane foams including a flame-retardant system containing antimony trioxide, a chlorinated paraffin and alumina trihydrate and method of preparation
05/05/1981US4266041 Process for the production of foamed plastics from polyolefins
05/05/1981US4266040 Polyazlactone-electron deficient ethylenically unsaturated resinous compositions and method for foaming same
05/05/1981US4266038 Rubber-modified fire-retardant imide copolymers
05/05/1981US4266037 Fire-retardant imide copolymers
05/05/1981US4265965 Polyurethane foam articles coated with a crushed foam and method of producing
05/05/1981US4265851 Process for moulding cellular polycarbodiimide
05/05/1981CA1100700A2 Blowing agents - bis(hydrocarbylsulfonyl) carbohydrazides
05/05/1981CA1100699A1 Bis-tetrazoles as chemical blowing agents
05/05/1981CA1100698A1 Foamable pvc resin formulation, process for foaming, and product thereof
05/05/1981CA1100697A1 Foamable thermoplastic polyester compositions
05/05/1981CA1100696A1 Foamed polyester resin
05/05/1981CA1100695A1 Non-punking non-corrosive phenolic foam
05/05/1981CA1100653A1 Stable polymer gels
05/05/1981CA1100529A2 Blowing agents - bis(hydrocarbylsulfonyl) carbohydrazides
04/1981
04/30/1981WO1981001148A1 Ultrafiltration of vinyl resin latices and reuse of permeate in emulsion polymerization
04/29/1981EP0027688A1 New blowing agent compositions and their preparation and use
04/29/1981EP0027609A2 Particulate styrene polymers containing an expanding agent, and their use
04/29/1981EP0027556A1 Process for the preparation of foamed flame-resistant styrene polymers
04/28/1981US4264744 Incorporating a low molecular weight polyhydroxy compound
04/28/1981US4264672 Polyolefins used as packaging material
04/28/1981US4264531 Crosslinkable polymer
04/28/1981US4264469 Comprising azodicarbonamide, dinitrosopentamethylenetetramine and propionates
04/28/1981US4263843 Method and apparatus for controlled removal of excess slurry from organic foam
04/28/1981CA1099882A1 Process and apparatus for impregnating microporous films and the product produced thereby
04/22/1981EP0027401A1 Process for preparing resilient polyurethane foams with the aid of triorganosilylpolypentaerythritols
04/21/1981US4263412 Preparation of dimensionally stable one-component polyurethane foams using a two-compartment pressure pack containing an isocyanate-terminated prepolymer in the inner container and pressure medium in the outer container
04/21/1981US4263410 Ambient cure polyimide foam
04/21/1981US4263409 Process for the production of a foamed thermoplastic composition
04/21/1981US4263165 Blowing agent combination comprising azodicarbonamide, zinc oxide and a benzenethiol sulphonic acid derivative
04/21/1981CA1099850A1 Process for the continuous melt thermoforming of foamed polyamide structures
04/21/1981CA1099716A1 Pentate salts of amino-s-triazines
04/21/1981CA1099629A1 Method for producing insect-combatting device
04/21/1981CA1099506A1 Footwear
04/21/1981CA1099464A1 Asymmetric porous film materials and process for producing same
04/21/1981CA1099463A1 Microporous tubes and process for producing the same
04/16/1981WO1981000969A1 Polyvinylidene fluoride resin hollow filament microfilter and process for producing same
04/15/1981EP0026920A2 Process for the production of electrically conductive soft polyurethane foams and electrically conductive plastics composition
04/15/1981EP0026857A2 Flame resistant foamable moulding compositions, process for their preparation and their utilisation
04/15/1981EP0026810A1 Process for coating moulding masses of expandable particulate styrene polymers with dispersions of known coating compositions, and use of the obtained moulding masses
04/14/1981US4262094 Microcellular heterocyclic polymer structures
04/14/1981US4262093 Rigid polyurethane foam-forming compositions
04/14/1981US4262052 Foamed composite material and production thereof
04/14/1981US4261937 Soaking shaped polymer gel in solution of water and metal salt, removing water by soaking in solvents of decreasing polarity, removing solvents
04/14/1981CA1099440A1 Low smoke polyphosphazene compositions
04/14/1981CA1099423A1 Method for producing acrylamide polymers