Patents for C08J 9 - Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof (41,910)
12/1981
12/01/1981US4303757 Process for producing expandable thermoplastic resin beads using polypropylene as nucleus
12/01/1981US4303756 Process for producing expandable thermoplastic resin beads
12/01/1981US4303755 Polymerization catalyst, foaming agent, surfactant, additive
12/01/1981US4303736 Fillers
12/01/1981US4303729 Fillers
12/01/1981CA1113650A1 Finely divided expandable styrene polymers
12/01/1981CA1113649A1 Method for producing phenol foam plastic
11/1981
11/26/1981WO1981003334A1 Process for preparing spherical and porous vinyl resin particles
11/25/1981EP0040480A1 Multi-layer structural building material and its use
11/25/1981EP0040443A2 Method for the preparation of rigid polyvinyl chloride foams
11/24/1981US4302549 Method of preparing expandable polystyrene
11/24/1981US4302489 Process for producing a foam sheet having an embossed pattern
11/24/1981US4302410 Method producing a color coded, cellular thermoplastic resin coated wire and the materials necessary for the coating
11/24/1981US4302336 Semipermeable composite membrane
11/24/1981CA1113200A1 Expandable polystyrene with stabilized cell structure
11/24/1981CA1112838A1 Foundry processes and compositions
11/24/1981CA1112825A1 Foamed polyolefin film
11/18/1981EP0039897A1 Improved process for fusion bonding of fluorocarbon type polymers
11/18/1981EP0039756A2 Preparation of polyoxyalkylene surfactants for the stabilisation of phenolic foam, optionally in the presence of a metal catalyst
11/17/1981US4301254 Process for the production of poly(aldehyde aminosilicon acid) resinous products and foams
11/17/1981CA1112800A1 Process for the preparation of organopolysiloxane foams
11/12/1981WO1981003176A1 Process to break down cellulose polymers and produce cellular solid or solid reaction products
11/10/1981US4299925 Low density urea-formaldehyde resin cured in a foaming column
11/10/1981US4299923 Alkyl-modified siloxane copolymers useful as foam stabilizers in high resilience polyurethane foam
11/10/1981US4299883 Compression molding of polycarbodiimide foams
11/10/1981US4299787 Heating and foaming a polyamide prepolymer
11/10/1981US4299613 Controlled release of trace nutrients
11/04/1981EP0039184A1 A flexible layered article
11/04/1981EP0039118A1 Rigid polyvinyl chloride foam
11/04/1981EP0039117A1 Rigid polyvinyl chloride foam
11/04/1981EP0038885A1 Microcellular heterocyclic polymer structures
11/03/1981US4298706 Containing partially reacted 1,2-polybutadiene
11/03/1981US4298705 Copolymers of monovinyl aromatic monomers and imide derivatives of unsaturated dicarboxylic acids
11/03/1981US4298704 Fire-retardant monocarboxylic acid amide copolymers
11/03/1981US4298703 Fire-retardant imide copolymers
11/03/1981US4298702 Process for the manufacture of flame retardant polystyrene foams
11/03/1981US4298701 One step formation and injection molding of polyetherurethaneurea elastomers
11/03/1981US4298666 Coated open-celled microporous membranes
11/03/1981US4298556 Method for matched die molding a fiber reinforced polyurethane foam molded product
11/03/1981CA1112000A1 Foamable polymer compositions
11/03/1981CA1111999A1 Stabilized polystyrene compositions
11/03/1981CA1111998A1 Latex foam rubber
11/03/1981CA1111997A1 Imide-crosslinked ethylenic polymer resin foams
10/1981
10/28/1981EP0038463A2 Process for preparing polyurethane articles
10/28/1981EP0038345A1 Ultrafiltration of vinyl resin latices and reuse of permeate in emulsion polymerization.
10/27/1981US4297456 Process for working up isocyanate distillation residues
10/27/1981US4297442 Said form being a polyurethane
10/27/1981US4297220 Macroreticulated copolymer adsorption process
10/27/1981CA1111600A1 Process for manufacturing an olefin resin foam
10/27/1981CA1111599A1 AMINOPLAST FOAMS OF HARDENED REACTION PRODUCTS OF ALDEHYDES AND DIFUNCTIONAL MODIFIED .alpha.,.OMEGA. UREAS
10/21/1981EP0037860A2 Process for recovering waste products of glass fibres, rock wool, and polyurethane hard foam; end products obtained through this process
10/21/1981EP0037836A1 Polyvinylidene fluoride resin hollow filament microfilter and process for producing same
10/20/1981US4296210 Open-cell shaped article made of acetalized polyvinyl alcohol and process for its manufacture
10/20/1981US4296208 Spray drying polyamide
10/20/1981US4296170 Polyisocyanurate foam core and aluminum foil
10/20/1981US4296055 Method of injection molding thermoplastic resinous products substantially free from sink marks, swirls and related blemishes
10/20/1981CA1111200A1 Process for preparing foamed and crosslinked shaped articles having improved heat-sealability and foamable and crosslinkable polyethylene resin composition used therefor
10/20/1981CA1111164A1 Heterocyclic polymer solutions and products therefrom
10/20/1981CA1110811A1 Microporous products and methods for making same
10/14/1981EP0037636A2 Rendering substrates fire retardant
10/14/1981EP0037470A1 Process for preparing elastic foams based on melamine formal dehyde condensation products
10/13/1981US4294880 Foamed polyurethane articles with skin and a method for producing the same
10/13/1981CA1110417A1 Cross linked polyester
10/07/1981EP0037308A1 Process for preparing a rigid expanded polyvinyl chloride material and the rigid material thus obtained
10/07/1981EP0037188A1 Chemical blowing agent composition, its composition and use
10/07/1981EP0037185A1 A semipermeable membrane
10/07/1981EP0037112A1 Process for the production of polymer/polyisocyanate compositions and the use thereof for making polyurethanes
10/07/1981EP0037093A2 Expandable polystyrene beads
10/07/1981EP0037067A1 Alkyl-modified siloxane copolymers useful as foam stabilizers in high resilience polyurethane foam
10/07/1981EP0036994A2 Process for preparing waterproof articles from cellular polyurethane elastomers and their use as spring elements
10/07/1981EP0036947A1 Method for preparing a membrane of a film-forming non-sulfonated sulfone polymer
10/06/1981US4293658 Polyurethanes, phenol, formaldehyde polyol
10/06/1981US4293657 Stable melamine polyol dispersions, a process for their manufacture and for the preparation of foamed polyurethane plastics
10/06/1981US4293511 Processes and production apparatus for rigid cellular materials comprising polyvinyl chloride
10/06/1981CA1110400A1 Silicone foam composition which has burn resistant properties
10/06/1981CA1110398A1 Intumescent flame retardant polyolefin compositions
09/1981
09/30/1981EP0036562A2 Foamable olefin polymer compositions stabilized with certain higher ethers, esters or anhydrides, foaming process using them and foam article produced
09/30/1981EP0036561A2 Foamable olefin polymer compositions stabilized with certain naphthyl amine compounds, foaming process using them and foam article produced
09/30/1981EP0036560A2 Foamable olefin polymer compositions stabilized with N-alkyl substituted amides, foaming process using them and foam article produced
09/29/1981US4292413 Process for the production of epoxy cellular solid products
09/29/1981US4292412 Hydrophilic, fabric softener foam compositions and method of making
09/29/1981CA1109978A1 Thermoplastic elastomer composition, blends of the composition with olefin plastic, and foamed products of the composition and the blends
09/23/1981EP0036403A1 Method for producing a rigid polyurethane foam
09/23/1981EP0036315A2 Anisotropic membranes
09/22/1981US4291130 Amino resin curing agent, hydroxy-functional acrylic polymer, plasticizing
09/22/1981US4291129 Composition and a method for controlling reaction pressures during the foaming process resulting in an easily flame retarded foam-in place insulation
09/22/1981US4291128 Process for making urea-formaldehyde insulation
09/22/1981US4291088 Foam products from furfuryl alcohol-amino-formaldehyde
09/22/1981CA1109600A1 Production of polyurethane foam of reduced tendency to form embers when burned
09/22/1981CA1109598A1 Process for preparing a composite product constituted by foam particles
09/22/1981CA1109528A1 Apparatus and process for making particles from pre- expanded plastic materials
09/15/1981US4289892 High or low density, rigid or flexible foams
09/15/1981US4289857 Foamable polymeric compositions
09/15/1981US4289856 Process for preparing non-yellowing integral-skinned polyurethane foam using a polyol having a functionality of 4 to 8
09/15/1981US4289600 Microporous membrane materials
09/15/1981CA1109200A1 Rigid polyurethane foam-forming compositions
09/09/1981EP0035389A2 Process for preparing integral skin microcellular polyester base polyurethane elastomers, the elastomers per se isocyanate curable compositions and two component combinations for producing the elastomers and cast shoe soles attached to shoe uppers
09/09/1981EP0035158A1 Process for the preparation of polyisocyanates with a biuret structure
09/09/1981EP0035094A2 Product in powder form to prevent the inflammability of inflammable products
09/08/1981US4288565 Storable, solid mixture for the preparation of plastics which are based on epoxide resin and are stable to hydrolysis, the use of this mixture for the preparation of such plastics and plastics obtained in this way