Basf Se Corporation

Bafs Se

Sanofi-A Ventis Deutschland Gmbh

Basf Schweiz Ag

Prissok, Frank

Michael Harms

Frank Prissok

Martin Vallo

Markus Schuette

Joern Duwenhorst

Sven Lasai

Bernd Bruchmann

Steffen Raab

Claus Gabriel

Andre Kamm

Daniel Schoenfelder

Andreas Emge

Juergen Ahlers

Daniel Freidank

Ralf Fritz

Nils Mohmeyer

Andrea Eisenhardt

Jürgen Ahlers

Steffen Mayer

Amir Doroodian

Daniela Tepe

Annika Habicht

Maximilian Ruellmann

Jörn Duwenhorst

Daniel SCHÖNFELDER

Maximilian Rüllmann

Coated shaped articles contain at least one shaped article with foamed beads containing at least one polyurethane (A) and at least one coating containing at least one polyurethane (B), wherein polyurethane (A) and polyurethane (B) are each constructed from at least one polyol and at least one polyisocyanate and wherein not less than 50 wt % of the polyol component used for constructing polyurethane (A) and polyurethane (B) is identical and not less than 50 wt % of the at least one polyisocyanate component used for constructing polyurethane (A) and polyurethane (B) is identical. Processes for producing the coated shaped articles and the method of using the coated shaped articles for various applications can be utilized.

Polyurethane particle foam with polyurethane coating

A composite material contains a nonwoven layer (i) which contains fibers formed from a first thermoplastic elastomer having meshes with a mesh size in the range from 10 to 100 &#x3bc;m, and a membrane layer (ii) which contains a second thermoplastic elastomer and having a layer thickness of less than 30 &#x3bc;m. The membrane is either pore-free (ii.1) or is porous and has pores with an average pore diameter of less than 2000 nm (ii.2). The membrane (ii) is at least partially in direct contact with the fibers of the nonwoven layer (i) and covers the mesh openings in the nonwoven layer (i) at least partially. The fibers of the first nonwoven layer (i) and the membrane (ii) in the contact area are at least partly joined to one another in an interlocking manner.

Water vapor-permeable composite material

A method for producing bead foams from foam beads based on thermoplastic elastomers, especially thermoplastic polyurethane, comprises foam beads being wetted with a polar liquid and joined together thermally in a mold via high-frequency electromagnetic radiation, especially microwave radiation, and also the bead foams obtainable therefrom.

Method for producing particle foams based on thermoplastic elastomers, by thermal bonding using microwaves

The present invention relates to coated shaped articles comprising at least one shaped article comprising foamed beads comprising at least one polyurethane (A) and at least one coating comprising at least one polyurethane (B), wherein polyurethane (A) and polyurethane (B) are each constructed from at least one polyol and at least one polyisocyanate and wherein not less than 50 wt % of the polyol component used for constructing polyurethane (A) and polyurethane (B) is identical and not less than 50 wt % of the at least one polyisocyanate component used for constructing polyurethane (A) and polyurethane (B) is identical. The present invention further relates to processes for producing the coated shaped articles of the present invention and also to the method of using the coated shaped articles of the present invention for various applications.

The present invention relates to a method for producing a rigid foam, which comprises reacting at least one polyisocyanate with a mixture comprising at least one polyepoxide, water, and at least one other hydrogen-acidic compound, the reaction taking place in the presence of a metal-free Lewis base having at least one nitrogen atom, to rigid foams obtainable by such a method, and to the use of a rigid foam of the invention for producing insulating materials, vacuum insulation panels, refrigeration equipment, construction elements, wind rotor blades, or elements for boatbuilding and vehicle construction.

Isocyanate-epoxy-foam system

Foam beads based on thermoplastic elastomers and having a coating comprising at least one electrically conductive substance, processes for producing same by coating the foam beads with an emulsion of a conductive substance in a plasticizer, and also processes for producing bead foams by joining the foam beads together thermally via high-frequency electromagnetic radiation.

Electrically conductive particle foams based on thermoplastic elastomers

A process for producing a rigid polymer foam comprises reacting components A to C in the presence of component D or an isocyanate-functional prepolymer of components A and B with component C in the presence of component D, the total amount of which is 100 wt %,

Producing rigid polymer foams

The combination foam comprises a matrix composed of polyurethane foam and foamed particles of thermoplastic polyurethane comprised therein, where matrix and particles are each made up of polyol components and polyisocyanate components, wherein at least 50% by weight of the basic building blocks forming the polyol component of the matrix and particles are identical and at least 50% by weight of the basic building blocks forming the polyisocyanate component of the matrix and particles are identical.

Combination foam

The present invention relates to cellular polyisocyanate polyaddition products whose density to DIN EN ISO 845 is from 200 to 800 kg/m, and also to prepolymer composed of at least one diisocyanate (a) and of at least one polyether alcohol (b), where the at least one polyether alcohol (b) comprises the following components:

Cellular elastomer with little tendency toward creep at high temperatures

The present invention relates to an open-cell polyurethane foam comprising polyester and polyether structures and having a density of 70 to 300 g/L, 1 to 20 cells/cm, a rebound intensity greater than 30%, an elongation at break of greater than 200%, a tear propagation resistance of greater than 1.2 N/mm and a tensile strength of greater than 200 kPa. The present invention further relates to a process for producing inventive open-cell polyurethane sponges and to the use thereof as a pipe cleaning sponge.

Coarse-cell polyurethane elastomers

The invention relates to a cellular elastomer which is anisotropic, with anisotropy being defined by the compressive modulus in one of three orthogonal directions being greater than that in the other two directions by a factor of at least 1.5. The invention also relates to a cellular elastomer containing magnetizable particles which have a chain-like alignment along one spatial direction. The invention also relates to a process for producing a cellular elastomer containing magnetiable particles and the use of such elastomers in articles of manufacture.

Growing community of inventors

Diepholz, Germany

Michael Harms