Abstract: The present invention relates to self-extinguishing thermoplastic polyurethanes, a process for their production and their use.

Abstract: Light-stable, sinterable, thermoplastic polyurethanes with improved blooming behavior and good thermal stability as well as good technical processability are produced from an aliphatic diisocyanate using one or more chain extenders corresponding to a specified formula. These polyurethanes are particularly useful in the production of molded articles, particularly molded articles for automotive interiors.

Abstract: Melt-processable polyurethanes containing certain waxes are produced. These polyurethanes are useful for the production of films, coatings and injection moldings.

Abstract: The present invention relates to thermoplastically processable polyurethane elastomers (TPU) with tensile strengths of >35 MPa (measured in accordance with EN ISO 527-3), with shrinkages of <3% and with self-extinguishing properties based on the use of at least one flameproofing agent which can be built in, a process for their preparation and their use.

Abstract: The present invention relates to aliphatic, light-resistant, sinterable, thermoplastic polyurethanes which exhibit improved crease performance, with low fogging, good thermal resistance, agreeable tactile properties and good technical workability. This invention also relates to the preparation of heat-resistant, light resistant moldings and skins and, and to the preparation of skins by the powder-slush process from these thermoplastic polyurethanes.

Abstract: The present invention relates to thermoplastic polyurethane molding compositions. These thermoplastic polyurethanes exhibit good adhesion to glass due to the presence of the required silanes. This invention also relates to the production of glass composites and solar cell modules from these novel thermoplastic polyurethanes.

Abstract: The present invention relates to a multi-stage process for the continuous preparation of thermoplastically processable polyurethanes with improved processing properties based on various polyols.

Abstract: The present invention relates to a multi-stage process for the continuous preparation of thermoplastically processable polyurethanes with improved processing properties based on various polyols

Abstract: A method for preparing encapsulated red phosphorus is disclosed. The method entails obtaining a material system that contains dispersed particulate red phosphorus having a mean particle size of 0.1 to 100 ?m in an aqueous phase that comprise urea, formaldehyde and a water-soluble silicon dioxide precursor, adding to the material system a sufficient amount of acid to lower the pH to 0 to 5 and maintaining the resulting acidic system at a temperature of 80 to 120° C. for a period longer than one hour. The encapsulated red phosphorus of the invention is suitable for using as a flame retarding agent for plastics molding compositions.

Abstract: The present invention relates to a multi-stage process for the continuous preparation of thermoplastically processable polyurethanes with improved processing properties based on various polyols

Abstract: A method for microencapsulating red phosphorus in polymerized urea resorcinol formaldehyde resin is disclosed. The method entails (i) preparing an aqueous mixture containing urea, resorcinol and formaldehyde, (ii) adding hexamethylene tetramine and optionally water to the mixture to yield a stabilized mixture (iii) dispersing red phosphorus in the to the stabilized mixture (iv) adding acid to the reaction mixture, and (v) collecting the resulting encapsulated red phosphorus. The product is suitable as flame retarding agent in molding compositions.

Abstract: The present invention is directed to transparent light-stable, movable composite systems which are composed of i) at least two rigid parts made of transparent, thermoplastic materials which are joined together by ii) at least one flexible connecting member made of transparent, light-stable thermoplastic polyurethane. The present invention is also directed to a process for preparing the transparent, light-stable movable composite systems of the present invention. Composite systems of the present invention are particularly useful in the building and construction industry. Upon being folded, composite systems of the present invention are very compact and, hence, easily transportable. In addition, composite systems of the present invention can be easily and reversibly folded or unfolded.

Abstract: A thermoplastic moulding composition that contains an aliphatic thermoplastic polyurethane (TPU) resin is disclosed. The TPU is the product of a reaction of A) a diisocyanate reactant that contains predominantly hexamethylene diisocyanate, and B) a polyol reactant that contains polytetramethylene glycol and C) a chain extending reactant that contains primarily 1,6-hexanediol. The TPU that is further characterized in the equivalence ratio of A to B and NCO index exhibits improved properties.

Abstract: The present invention relates to thermoplastically processable polyurethane elastomers (TPU) with tensile strengths of >35 MPa (measured in accordance with EN ISO 527-3), with shrinkages of <3% and with self-extinguishing properties based on the use of at least one flameproofing agent which can be built in, a process for their preparation and their use.

Abstract: A flame retardant molding composition is disclosed. The composition that contains a polymeric component, preferably a polyamide, red phosphorus, zinc borate, talcum and a lanthanide compound, is characterized by its combined flame resistance and good mechanical properties. The composition may also contain fillers or reinforcing substances, an impact modifier and further conventional additives.

Abstract: A flame-proof polyester molding compositions is disclosed. The composition that exhibits good flame-resistance, particularly in thin-walled moldings, contains red phosphorus, nitrogen-containing compounds and a small amount of a hydrotalcite. The composition is particularly suitable for the preparation of moldings, sheeting and fibers.

Abstract: The present invention provides a process for the production of a transparent flat film from thermoplastic polyurethane (TPU) by introduction of the thermoplastic polyurethane between sheets of a higher-melting material. The transparent flat film may find use in optical applications.

Abstract: A thermoplastic molding composition that contains an aliphatic thermoplastic polyurethane (TPU) resin is disclosed. The TPU is the product of a reaction of A) a diisocyanate reactant that contains predominantly hexamethylene diisocyanate, and B) a polyol reactant that contains polytetramethylene glycol and C) a chain extending reactant that contains primarily 1,6-hexanediol. The TPU that is further characterized in the equivalence ratio of A to B and NCO index exhibits improved properties.

Abstract: A thermoplastic molding composition that contains a light-resistant aliphatic thermoplastic polyurethane elastomer is disclosed. The composition which largely contains of thermoplastic polyurethanes with high molecular weights and small amounts of thermoplastic polyurethanes with low molecular weights is useful for the preparation of a variety of articles and for use as sinterable composition in powder form.

Abstract: The present invention is directed to transparent light-stable, movable composite systems which are composed of i) at least two rigid parts made of transparent, thermoplastic materials which are joined together by ii) at least one flexible connecting member made of transparent, light-stable thermoplastic polyurethane. The present invention is also directed to a process for preparing the transparent, light-stable movable composite systems of the present invention.