Patents for C08J 9 - Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof (41,910)
06/1991
06/30/1991WO1991009901A1 Method for the manufacture of a heat insulating foamed plastic material and blowing agent to be used by the method
06/30/1991CA2071836A1 Method for the manufacture of a heat insulating foamed plastic material and blowing agent to be used by the method
06/28/1991CA2030646A1 Process for producing expandable termoplastic microparticles
06/28/1991CA2029165A1 Simple process for imbibing blowing agents in thermoplastic resin granules
06/27/1991WO1991009079A1 Use of supercritical fluids to obtain porous sponges of biodegradable polymers
06/27/1991WO1991009078A1 Method for producing molded polyisocyanurate foam
06/27/1991WO1991009077A1 A method of foaming plastic materials and a blowing agent for use therewith
06/27/1991WO1991009066A1 High carbon resins and foams
06/27/1991WO1991007457A3 Stabilisation of polyurethane/porous expanded ptfe composites
06/26/1991EP0433889A2 Process for the preparation of polyurethane soft foams with low compression hardness and mixtures of polyoxypropylene-polyoxyethylene block polyols suitable therefor
06/26/1991EP0433822A1 Esters containing fluorocarbon groups bound to oxypropylenealkyl ether groups, emulsions containing these esters and their application in the production of cellular plastics by the polyisocyanate-polyaddition process
06/26/1991EP0433807A2 Process for the preparation of mouldings or films from cross-linked polyisocyanate-polyaddition-products and the moulding obtained in this way
06/26/1991EP0433787A1 Process for producing multilayer polytetrafluoroethylene porous membrane
06/26/1991EP0433776A2 Process for the production of foam containing polyurethane (urea)-compositions
06/26/1991EP0433391A1 Compositions and process for producing foam plastics.
06/26/1991EP0433338A1 Azeotrope-like compositions of trichlorofluoromethane, dichlorotrifluoroethane and isopentane
06/26/1991EP0354907B1 Moldable silane-crosslinked polyolefin foam beads
06/26/1991CN1052434A Process for producing multilayer polytetrafluoroethylene porous membrane
06/25/1991US5026841 Process for the preparation of finely divided porous cellulose particles
06/25/1991US5026739 Methods of producing rigid polyurethane foams for interior or exterior use for automobiles
06/25/1991US5026738 Containing flame retarders, catalyst, cell regulators, foams stabilizers, crosslinking and wetting agents
06/25/1991US5026737 Process for the production of urethane-modified polyisocyanurate foam
06/25/1991US5026736 With controlled density, shrinkage, expansion, cell size
06/25/1991US5026502 Azeotrope-like compositions of 1,1-dichoro-1-fluoroethane; dichlorotrifluoroethane; and alkane or cycloalkane having 5 carbon atoms
06/25/1991US5026499 Ternary azeotropic compositions of hexafluoropropylene/ethylene cyclic dimer with trans-1,2-dichloroethylene and methanol
06/25/1991US5026497 Azeotropic compositions of perfluoro-1,2-dimethylcyclobutane with methanol and 1,1-dichloro-1-fluoroethane or dichlorotrifluoroethane
06/23/1991CA2030478A1 Process for the production or moldings of films of cross-linked polyisocyanate polyadducts and the moldings thus obtained
06/20/1991CA2031094A1 Process for the preparation of polyurethane (urea) masses which contain foam
06/19/1991EP0433009A2 Fire resistant laminar cushioning material
06/19/1991EP0432997A2 Fiber-reinforced foamed material and method of producing it
06/19/1991EP0432672A2 Process for the preparation of foams with fluoralkanes
06/19/1991EP0432444A1 Process for the preparation of high-temperature-resistant foams
06/19/1991EP0432355A2 Improved closed cell phenolic foam containing alkyl glucosides
06/19/1991CN1052311A Method for production of crosslinked plastic foam
06/19/1991CN1012901B Foams plastic material
06/18/1991US5025039 Using a carboxylic acid as blowing agents; compact surfaces of moldings; furniture; automobiles
06/18/1991CA1285098C Foamable composition containing no chemical non-polymeric blowing agents
06/16/1991WO1991009091A1 Azeotrope-like compositions of 1,2-difluoroethane and dichlorotrifluoroethane
06/16/1991CA2070377A1 Azeotrope-like compositions of 1, 2 - difluoroethane and dichlorotrifluoroethane
06/13/1991WO1991008252A1 Method for producing molded polyurethane foam
06/13/1991DE4039308A1 Poly:isocyanate-based foam prodn. - by reaction of poly:isocyanate(s) with poly:ol(s) etc., using 4-6 carbon fluoroalkane as part of blowing agent
06/13/1991DE4038601A1 Prepn. of foam by reacting poly:isocyanate, cpd. with reactive hydroge
06/13/1991CA2031970A1 Process for producing foams with the aid of fluoroalkanes
06/13/1991CA2020444A1 Closed cell phenolic foam containing alkyl glucosides
06/12/1991EP0432096A1 Stabilised chlorine-containing composition
06/12/1991EP0431542A2 Process for the preparation of foams
06/12/1991EP0431494A2 Filtration media with low protein adsorbability
06/12/1991EP0431469A2 Vulcanized rubber article and process for the preparation of the same
06/12/1991EP0431088A1 Process for manufacturing a prepreg for use as a reinforcing inlay and use of said prepreg
06/12/1991EP0430998A1 Improved expandable and expanded alkenyl aromatic polymer particles and methods of making the same
06/11/1991US5023279 Nucleating agents for thermoplastic resins
06/11/1991US5023278 Mixed with hydrated fillers, processing aids, phosphazene oil and blowing agents
06/11/1991US5023009 Cleaning agents, blowing agents, refrigerants, propellants, heat transfer media, fire extinguishers, dielectrics
06/11/1991US5022990 Chemical resistant filters
06/09/1991WO1991009076A1 Method for production of crosslinked plastic foam
06/08/1991CA2031681A1 Process for producing foams
06/07/1991CA2031436A1 Stabilized, chlorine-containing composition
06/06/1991DE3939986A1 Prodn. of foams of polystyrene or polyethylene - using chloro:di:fluoro:methane contg. ammonium bi:carbonate or other ammonium cpd. as blowing agent
06/05/1991EP0430439A2 Extruded structure
06/05/1991EP0430408A2 Process for producing flexible polyurethane foam
06/05/1991EP0429946A2 Phosphonitrilic polymers with curability by sulfur accelerated cures or radiation cures
06/04/1991US5021462 Porous material and its preparation
06/04/1991US5021290 Vinyl based coatings for foamed materials
06/04/1991CA1284700C Building blocks
06/04/1991CA1284699C Process for the production of polysiloxane ionomers, polysiloxane ionomers and their use for the production of cellular polyurethane elastomers
06/04/1991CA1284695C Modified latex polymer compositions
05/1991
05/31/1991CA2026444A1 Process for producing flexible polyurethane foam
05/30/1991WO1991008243A1 Use of liquid carbon dioxide as a blowing agent in the production of open-cell polyurethane foam
05/29/1991EP0429103A1 Soft flexible polyurethane foams, a process for preparing the same, and a polyol composition useful in said process
05/29/1991EP0429091A2 Production method of prefoamed synthetic resin particles
05/29/1991EP0428991A2 Composite material of carbon fibers and method for producing the same
05/29/1991EP0428873A2 Method and apparatus for controlling the gas content of foam materials
05/29/1991EP0328518B1 Polyhedron cell structure and method of making same
05/29/1991CN1012674B Method of producing an at least partially sintered product
05/28/1991US5019434 Melt bonding, porous ethylene-vinyl acetate copolymer
05/28/1991US5019295 Foamable silicone rubber composition
05/28/1991US5019264 Multilayer reverse osmosis membrane of polyamide-urea
05/28/1991US5019262 Hydrophilic microporous membrane
05/28/1991US5019261 Permeable, porous polymeric membrane with hydrophilic character methods for preparing said membranes and their use
05/28/1991US5019260 Surface treated polyvinylidene fluoride
05/25/1991WO1991008253A1 Flexible composition on the basis of a binder and at least one filler
05/25/1991CA2068990A1 Flexible composition on the basis of a binder and at least one filler
05/22/1991EP0428258A1 Manufacture of fire retardant foams
05/22/1991EP0427987A2 Method of and apparatus for forming finished cups of expanded resin
05/22/1991EP0427985A2 Method and apparatus for hollow core extrusion of high viscosity materials
05/22/1991EP0423249A4 Extrusion of hollow fibre membranes
05/22/1991CA2030241A1 Extruded structure
05/21/1991US5017629 Moldable low density thermoplastic composite with hollow glass spheres and the method for compounding
05/21/1991US5017624 Polysiloxanes
05/21/1991US5017623 Fireproof
05/21/1991US5017622 Sulfone polymer foam produced with aqueous blowing agent
05/21/1991US5017621 Polypropylene resin pre-expanded beads, manufacturing method thereof and expansion-molding method using said beads
05/17/1991CA2028678A1 High temperature resistant foams
05/16/1991WO1991006614A1 Additive for synthetic foam and a pressed timber material of lignocellulose-containing substances
05/16/1991WO1991006595A1 Instumescent fire-retardant and electrically-conductive coating material
05/16/1991WO1991006594A1 Polymeric compositions
05/15/1991WO1991007458A1 Process for making flexible polyurethane foam
05/15/1991EP0427604A1 Azeotropic mixture with a low boiling point based on fluoroalcanes and its uses
05/15/1991EP0427533A2 Insulating alkenyl aromatic polymer foam
05/15/1991EP0427219A2 Water absorbent latex polymer foams