Patents for C08J 9 - Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof (41,910)
04/1994
04/06/1994EP0590570A1 Biaxially oriented polyester film for magnetic recording medium
04/06/1994EP0590414A2 Process for the preparation of polyurethane foams
04/06/1994EP0590287A1 Urethane foam additive
04/06/1994EP0590079A1 Catalysts which stabilize hydrohalocarbon blowing agent in polyisocyanurate foam formulations during polymerization
04/06/1994EP0590002A1 Method for producing a high-porosity polytetrafluoroethylene tape, porous tape thereby obtained and uses thereof.
04/06/1994EP0589897A1 Ultraporous and microporous membranes and method of making membranes
04/06/1994CN1084863A Resin composition for making expanded thermoplastics patterns, patterns produced therefrom and their use in metalcasting
04/06/1994CA2107427A1 Heat curable, expandable one-component polyurethane composition
04/05/1994US5300543 Thermoplastic resin and either aluminum hydroxide and acidic additive or reaction product of the two
04/05/1994US5300534 Production of plastic foams, preferably rigid foams containing urethane groups or urethane and isocyanurate groups, and blowing agent-containing emulsions for this purpose
04/05/1994US5300533 Foaming, curing the vinyl chloride copolymer with glycidy containing monomer in one step process by decomposing the blowing agents
04/05/1994US5300532 Polyurethane foam from polyether and polyisocyanate with tin salt of organic acid and blocked amine catalysts and water as blowing agent
04/05/1994US5300272 Microcellular carbon foam and method
04/05/1994US5300264 Process for the production of composite bodies
04/05/1994US5299885 Thermoplastic binder with dispersion of vulcanized elastomer particles and ultraviolet stabilizer
03/1994
03/31/1994WO1994006852A1 Spray-stable aqueous foam, its production and use
03/31/1994WO1994006851A1 Expandable thermoplastic polymers containing organic boron-silicon compounds
03/31/1994WO1994006842A1 Nonflammable foams and method of preparation
03/31/1994DE4333171A1 Compsn. to prevent degradation by metal halide type Lewis acids - comprises 1,1-di:chloro-1-fluoroethane and stabiliser
03/31/1994DE4333169A1 Hydro:fluoroalkane compsns. - contain stabiliser to prevent degradation by metal halide type Lewis acids
03/30/1994EP0588981A1 A process for preparing polyurethane elastomer from a soft-segment isocyanate-terminated prepolymer.
03/30/1994CA2106620A1 Hydrofluoroalkane containing, stabilized compositions, premixes useful in the preparation of polymeric foams, and polymeric foams thereof
03/29/1994US5298615 Ultra-lightweight, open-pore foamed cellulose materials with large surface areas, having ion-exchangeable functional groups introduced therein
03/29/1994US5298531 Process for the preparation of polyimide foam
03/29/1994CA2106947A1 Process for the production of polyurethane foams
03/24/1994DE4231512A1 Expandierbare thermoplastische Polymerisate, enthaltend Bor-Silizium-organische Verbindungen, und Verfahren zu ihrer Herstellung Expandable thermoplastic polymers, boron-silicon containing organic compounds, and processes for their preparation
03/24/1994DE4230997A1 Spritzbeständiger wässriger Schaum, dessen Herstellung und Verwendung Spray-resistant aqueous foam, its production and use
03/23/1994EP0588437A1 Low moisture absorption syntactic foam
03/23/1994EP0588321A1 Process for the preparation of foamed propylene polymer articles
03/23/1994EP0587633A1 Process for insulating pipes.
03/23/1994EP0587588A1 Fluid treated polytetrafluoroethylene products and their manufacture
03/23/1994EP0587581A1 Nondistorted polyolefin foam structures and process for making
03/23/1994EP0423249B1 Extrusion of hollow fibre membranes
03/23/1994EP0409824B1 Polyimide foam precursor and its use in reinforcing open-cell materials
03/23/1994EP0408688B1 Porous membranes
03/23/1994EP0368846B1 Polytetrafluoroethylene coating of polymer surfaces
03/23/1994EP0344312B1 Hydrophilic, porous polyvinylidene fluoride membrane and process for its preparation
03/23/1994CN1084188A Hard polyvinyl-chloride foam material
03/23/1994CN1084118A Manufacture of composed foamed metarial
03/22/1994USRE34568 Volatile foaming agent composition
03/22/1994US5296516 Dimensional stability
03/22/1994US5296510 Heating, decomposition, roughness, flexibility
03/22/1994US5296318 Rechargeable lithium intercalation battery with hybrid polymeric electrolyte
03/22/1994US5296261 Impregnating polymer sponge with solution of metal nitrate or sulfate, heat treating to remove organic material and form metal sponge
03/22/1994US5296186 Propylene polymers with fillers of hollow particles
03/22/1994US5296181 Process for the production of composite bodies having enhanced bonding between layers of the composite bodies thus obtained
03/17/1994WO1994005724A1 Porous copolymers having a cellular polymeric structure suitable for preparing ion-exchange resins and adsorbents
03/17/1994WO1993023463A3 Production of encapsulated chemical foaming concentrates
03/17/1994DE4230812A1 Drying foam mouldings by microwave irradiation under reduced pressure - applicable to large mouldings, esp. of urea]-formaldehyde], phenol]-formaldehyde] or melamine-formaldehyde] resins
03/17/1994CA2143307A1 Porous copolymers having a cellular polymeric structure suitable for preparing ion-exchange resins and adsorbents
03/16/1994EP0587317A2 Rim molded energy absorbing polyurethane foam
03/16/1994EP0587078A1 Process for preparing biodegradable resin foam
03/16/1994EP0586874A2 Process for fabricating articles by pressing
03/16/1994EP0586541A1 Process for drying microspheres
03/15/1994US5294654 Flame-retarded, conductive compositions which include polyphenylene ether and polystyrene resins
03/15/1994US5294647 Method of producing rigid foams and products produced therefrom
03/15/1994US5294358 Compositions containing 1,1,1,2-tetrafluoroethane and methyl chloride and use of these compositions
03/15/1994CA1327768C Composite porous membranes from uv-curable resins, apparatus containing same and a process for making same
03/15/1994CA1327686C Process and apparatus for extruding a low density elastomeric thermoplastic
03/12/1994CA2103964A1 Rim molded energy absorbing polyurethane foam
03/10/1994DE4229477A1 Prepn. of a highly porous membrane - by selective removal of polymers; useful as testing strips in urine analysis
03/09/1994EP0585378A1 Foam blowing agent composition and process for producing foams
03/09/1994EP0585348A1 Blowing agent and process for preparing polyurethane foam
03/09/1994CN1083431A Pressure treatment of prefoamed particles of a thermoplastic polymer and an apparatus therefor
03/08/1994US5292777 Method for hydrophilizing absorbent foam materials using sorbitan monolaurate
03/03/1994WO1994004760A1 Stabilized porous pipe
03/03/1994WO1994004629A1 Substantially constant boiling mixtures of 1,1,1,2-tetrafluoroethane, dimethyl ether and isobutane
03/03/1994WO1994004628A1 Azeotrope-like compositions of difluoromethane and 1,1,1-trifluoroethane
03/03/1994WO1994004604A1 Phenolic foam composition and methods for producing same
03/03/1994WO1994004603A1 Hollow polymer latex particles
03/03/1994WO1994004602A1 Composition for obtaining foamed polyvinylchloride material and method of obtaining it
03/03/1994DE4328329A1 Freeze-dried polysaccharide bio-matrix useful as pharmaceutical or cosmetic carrier - comprises mixt. of natural and modified material e.g. pectin, alginate, agar, cellulose ether deriv. etc.
03/03/1994DE4228133A1 Polyarylene sulphide blend with spherical filler and opt. di:sulphide - used as thermoplastic encapsulating compsn., esp. for electronic device, with lower melt viscosity than blend filled with aspherical filler
03/03/1994CA2141875A1 Stabilized porous pipe
03/02/1994EP0585148A1 Ultra low density polyolefin foam, foamable polyolefin compositions and process for making same
03/02/1994EP0585147A1 Low density polyolefin foam, foamable polyolefin compositions and process for making same
03/02/1994EP0585016A1 Phenolic resin and carbon products
03/02/1994EP0584612A1 Recycled polystyrene molding
03/02/1994EP0584276A1 Perforated plastic foam and process for making.
03/02/1994CN1082980A Device for the continuous manufacture of slabstock polyurethane foam
03/02/1994CN1023881C Bubble generator and its use
03/01/1994US5290823 Production of rigid polyurethane foams, and a blowing agent mixture for this purpose
03/01/1994US5290822 Ultra low density polyolefin foam, foamable polyolefin compositions and process for making same
03/01/1994US5290820 Process for preparing low density porous crosslinked polymeric materials
03/01/1994US5290819 Adding hydrocarbons and/or carbon dioxide to form expanded foam beads
03/01/1994US5290818 Flexible polyurethane rebond foam having improved tear resistance and method for the preparation thereof
03/01/1994US5290494 Dissolving independently-gelling single polylactide enantiomer in solvent, casting solution in mold, cooling to form gel capable of retaining shape of mold upon removal therefrom and handling thereof, drying
03/01/1994US5290466 Compositions of difluoromethane and tetrafluoroethane
03/01/1994CA2011054C Poly(vinyl chloride) insulation fittings
03/01/1994CA1327423C Bulk polymerized cycloolefin monomers containing microencapsulated blowing agents
03/01/1994CA1327422C Graphic art printing media using a syntactic foam based on expanded hollow polymeric microspheres
03/01/1994CA1327259C Breathable microporous film and methods for making same
02/1994
02/23/1994EP0583929A1 Flexible polyurethane foams using chlorinated alkanes
02/23/1994EP0583704A2 Recyclable thermoplastic foam
02/23/1994CN1082562A Electric conductive ethylene vinyl acetate copolymer plastic and its production method
02/23/1994CN1082554A Method for preparing styrene plastics
02/23/1994CN1082485A Polyolefin/filler composite materials and their use
02/22/1994US5288864 Quaternary ammonium carboxylate inner salt compositions as controlled activity catalysts for making polyurethane foam
02/22/1994US5288765 Expanded articles of biodegradable plastics materials and a method for their production
02/22/1994US5288764 Increased throughput in foaming and other melt fabrication of polyester