Patents for C08J 9 - Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof (41,910)
05/1991
05/15/1991EP0426896A1 Porous composite sheet and process for producing the same
05/15/1991CN1051364A Process for removing chloroprene dimers from polychloroprene
05/15/1991CA2045182A1 Process for making flexible polyurethane foam
05/14/1991WO1991007457A2 Stabilisation of polyurethane/porous expanded ptfe composites
05/14/1991US5015843 Fiber optic chemical sensors based on polymer swelling
05/14/1991US5015668 Rubber composition containing a deodorizing component
05/14/1991US5015667 Crosslinking; dimensional stability
05/14/1991US5015576 Dissolving a water soluble matrix, mixing a water insoluble liquid cavity generating compound, forming drops, dispersion and solidification
05/14/1991US5015522 Multicomponent fibers, films and foams
05/14/1991US5015380 Microporous support layer with interfacially polymerized copolyamide membrane thereon
05/11/1991CA2028735A1 Low boiling point azeotropic fluoroalcane mixture and its uses
05/08/1991EP0426372A1 Controlling pyrolysis rate of plastic foam molding
05/08/1991EP0426346A2 Method for producing polyolefin blends and moulded articles therefrom
05/08/1991EP0426023A1 Process for removing chloroprene dimers from polychloroprene
05/08/1991EP0425992A2 Process for producing expandable styrene polymerizates
05/08/1991EP0425973A2 Expandable styrene polymerisate and aromatic-proof foam prepared therefrom
05/08/1991EP0425886A2 Expanding thermoplastic resin beads with very high frequency energy
05/08/1991EP0425695A1 Continuous sheet of electron beam crosslinked foam
05/07/1991CA1283993C Polysiloxane-polyoxyalkylene compositions for polyurethane foam manufacture
05/07/1991CA1283765C Process for preparing polyurethane foams having zones of differing hardness
05/04/1991CA2033435A1 Expandable styrene polymers, and aromatic-resistant foams produced therefrom
05/04/1991CA2029208A1 Preparation of expandable styrene polymers
05/02/1991EP0425164A1 Silicone foams
05/02/1991EP0424613A1 Process for preparing polyurethane foams
05/02/1991EP0424544A1 Method of producing rigid foam
05/02/1991EP0424539A1 Expanded heat-insulating material
05/02/1991DE3936227A1 Polyurethane foam prepn.
04/1991
04/30/1991US5011866 Insulating alkenyl aromatic polymer foam
04/30/1991US5011865 Reduction of silicone foam density using buffers
04/30/1991US5011864 Water absorbent latex polymer foams containing chitosan (chitin)
04/30/1991US5011863 In presence of polyethylene wax and nonionic surfactant
04/30/1991US5011637 Preparing cellulose ester membranes for gas separation
04/30/1991US5011558 Method of improving foam fire resistance through the introduction of inorganic particles thereinto
04/30/1991CA1283749C Composition for preparing inorganic light weight foam, and process of preparing inorganic light weight foam
04/24/1991EP0424224A1 Nadimide resin based expanded materials
04/24/1991EP0424164A2 Process and apparatus for preparing a polymer-based foam
04/24/1991EP0423594A2 Process for the preparation of moulded articles from polyurethane foams
04/24/1991EP0423249A1 Extrusion of hollow fibre membranes.
04/24/1991EP0381742A4 Receptor mediated endocytosis type mri contrast agents
04/24/1991EP0185055B1 Method of making a microporous article
04/23/1991US5010164 Process for forming urea-formaldehyde resin and use
04/23/1991US5010117 Flexible polyurethane foams prepared using low unsaturation polyether polyols
04/23/1991US5010115 Silicone foams
04/23/1991US5010114 Microsuspension polymerization
04/23/1991US5010112 Method and apparatus for improving the insulating properties of closed cell foam
04/23/1991US5009824 Process for preparing an asymmetrical macroporous membrane polymer
04/23/1991US5009810 Mixture of polycarboxylic acid and inorganic carbonate surface treated with silane coupling agent, monoglycerides or stearic acid; foaming polymers
04/23/1991US5009809 Surface treated mixture of a polycarboxylic acid and magnesium carbonate to prevent water absorption
04/23/1991CA1283498C Low density porous elastic cross-linked polymeric materials and theirpreparation
04/21/1991CA2027670A1 Process for the preparation of molded polyurethane foams and the molded foams obtained by this process
04/18/1991WO1991004786A1 Method of providing a foam barrier between a substrate and the atmosphere compositions therefor, and a process for mixing viscous foaming compositions with water without causing foaming of the mixture
04/18/1991CA2027888A1 Expanded materials made from nadimide resin
04/17/1991EP0422850A2 Method for enhancing thermal expandability of direct-injection foams
04/17/1991EP0422811A2 Process for producing a flexible polyurethane foam
04/17/1991EP0422797A1 Fire retardant compositions
04/17/1991EP0422471A2 Process for the preparation of flexible polyurethane foams
04/17/1991EP0422247A1 Polyol composition and method of producing rigid polyurethane foam therefrom
04/17/1991EP0408688A4 Porous membranes
04/16/1991US5008304 Release particles suspended within adhesive have hydrophobic coating for nondestructive removal
04/16/1991US5008298 Expandable thermoplastic resin beads
04/16/1991US5008297 Low and high molecular weight resoles; adhesion, fire resistant
04/16/1991US5007929 Open-cell, silicone-elastomer medical implant
04/16/1991US5007643 Fiber-reinforced outer shell, matrix resin foam with glass microballoons as core
04/16/1991CA1283051C Porous bioabsorbable polyesters
04/13/1991CA2026033A1 Process for the preparation of heat curable flexible molded polyurethane foams
04/11/1991CA2027002A1 Method for enhancing thermal expandability of direct-injection foams
04/11/1991CA2000480A1 Intumescent heat-and fire- resistant composition and substrate coated therewith
04/10/1991EP0421480A1 Polyester polyurethane foam for medical support pads
04/10/1991EP0421269A2 Process for the preparation of rigid polyurethane foams with low heat-conductivity and their use
04/10/1991EP0421222A2 Foam laminates which include ASTM E-84 Class 1 rated foams
04/10/1991EP0421220A2 Isocyanate reactive mixture and the use thereof in the manufacture of flexible polyurethane foams
04/09/1991US5006569 Density reduction in flexible polyurethane foams
04/09/1991US5006568 Foaming a thermoplastic addition polymer with a mixture of 1,1,1,2 tetrafluoroethane and other blowing agents; shrinkage inhibition
04/09/1991US5006567 Process for foaming polymer compositions with hydrazone compounds and compositions associated therewith
04/09/1991US5006566 Extrusion with carbon dioxide blowing agent
04/09/1991US5006565 Anti-clumping agents for expandable vinylaromatic-acrylonitrile polymeric materials
04/09/1991US5006564 Impregnating with mixture of cross linkable elastomer latex, zinc salt of metaboric or polyboric acid, a cross linking agent
04/09/1991US5006187 Plugged microporous film
04/09/1991CA1282900C Polyurethane foam-fiber composites
04/09/1991CA1282565C Process for surface modifying a microporous membrane
04/06/1991CA2000281A1 Aromatics-non-aromatics separation by permeation through thermally crosslinked nitrile rubber membranes
04/04/1991DE3931917A1 Pastenfoermige aufschaeumbare zusammensetzung auf basis von vinylchloridcopolymeren, weichmachern und festen treibmitteln und verfahren zur herstellung und verwendung dieser zusammensetzung Pastenfoermige foamable composition based on vinyl chloride copolymers, plasticizers and solid propellants and methods of making and using this composition
04/04/1991DE3931749A1 Binder for absorbing hydrocarbon(s) etc. from gases, pastes, etc. - consists of particles of plastic foam, made using only mixt. of oxygen and nitrogen as blowing agent
04/04/1991CA2026449A1 Process for producing flexible polyurethane foam
04/03/1991EP0420515A1 Water-absorbent, high capacity polyurethane foams
04/03/1991EP0420514A1 Packaging material containing inherently antistatic polymeric foam and method for use thereof
04/03/1991EP0420423A2 Expanded powder coating composition, method of coating a substrate with heat-insulating foam and composite material obtained thereby
04/03/1991EP0420273A2 Flexible polyurethane foams and process for preparing the same
04/03/1991EP0420272A2 Process for the manufacture of moulded articles of polyurethane foam and articles obtained thereby
04/03/1991EP0420242A2 An impact resistant polyurethane foam
04/03/1991EP0419966A2 Heat resistant expansible styrene polymer with high expansibility
04/03/1991EP0419528A1 Microporous films
04/03/1991EP0225321B1 Process for the preparation of low k-factor closed cell phenol-aldehyde foam
04/02/1991US5004760 Biocidal foams
04/02/1991US5004643 Flexible, waterproof,porous; applying under pressure curable polymer
03/1991
03/30/1991WO1991004796A1 Membrane-forming foam composition and method
03/30/1991CA2026550A1 Flexible polyurethane foams based on high equivalent weight isocyanate prepolymers
03/30/1991CA2026426A1 Procedure for the preparation of moulded bodies in polyurethane foams and moulded bodies thus obtained
03/28/1991DE3931139A1 Plugging of pores in civil engineering appts. - by injecting elastic foam quenched with thermo-curable reactive system under pressure and then hardening
03/27/1991EP0419114A2 Novel chemical blowing agent