Abstract: The present invention relates to polyurethane polymers, a process for their preparation and their use as binders for adhesives, coatings or foams.

Abstract: The invention relates to an electro-switchable polymer film assembly having a first and a second surface side, comprising at least one pair of electrodes (3, 4) and a polymer matrix (2), wherein structuring particles (5) can be embedded in the polymer matrix and the polymer matrix or the structuring particles consist of an electro-active polymer, wherein furthermore, the first and/or the second surface sides can be transferred from a plane condition into a structured condition by electric switching of the electro-active polymer.

Abstract: The invention relates to alkoxysilane groups comprising prepolymers and the use thereof as binding agents for sealants. More specifically the invention relates to alkoxysilyl polyurethanes prepared from a polyol having a number-average molecular weight of from greater than 20,000 to 30,000 and an isocyanate alkoxysilane.

Abstract: The present invention relates to polyurethane polymers, a process for their preparation and their use as binders for adhesives, coatings or foams.

Abstract: The present invention relates to adhesives based on silane-modified polymers and to substrates coated therewith and connected thereto.

Abstract: Prepolymers, which are accessible from formamides of low molecular weight di- or triamines (formamide-terminated low molecular weight compounds) and di- or polyisocyanates, of the general formula (II): X—[—N(CHO)—CO—NH—R1—NCO]n??(II) wherein X represents a linear or branched aliphatic, cycloaliphatic, heterocyclic and/or aromatic structural unit having 2 to 40 carbon atoms, and which is optionally further substituted and/or optionally comprises one or more heteroatoms, wherein R1 represents an organic radical which may optionally contain one or more heteroatoms and which may further contain one or more additional free isocyanate groups and/or one or more urethane, biuret, carbodiimide, isocyanurate, allophanate, iminooxadiazinedione and/or uretdione structural units, and wherein n?2; processes for making the same; compositions containing the same; and uses thereof.

Abstract: The present invention relates to polyurethane polymers, a process for their preparation and their use as binders for adhesives, coatings or foams.

Abstract: The invention relates to polyurethane prepolymers, to a method for the production thereof, and to the use thereof as binding agents for adhesives, coatings, or foams.

Abstract: The invention relates to polyurethane prepolymers, to a method for the production thereof, and the use thereof as binding agents for adhesives, coatings, or foams.

Abstract: The invention relates to alkoxysilane groups comprising prepolymers and the use thereof as binding agents for sealants.

Abstract: The invention relates to adhesives, coating agents and sealing agents curing under the influence of moisture, which exhibit good storage stability, can be processed within a wide tolerance range and are fast-curing.

Abstract: The invention relates to an electro-switchable polymer film assembly having a first and a second surface side, comprising at least one pair of electrodes (3, 4) and a polymer matrix (2), wherein structuring particles (5) can be embedded in the polymer matrix and the polymer matrix or the structuring particles consist of an electro-active polymer, wherein furthermore, the first and/or the second surface sides can be transferred from a plane condition into a structured condition by electric switching of the electro-active polymer.

Abstract: The invention relates to novel formamides derived from diamines or triamines. As compared to amines, these formamide-terminated compositions have a decelerated reactivity to polyisocyanates, that is, prepolymers.

Abstract: The present invention provides an electromechanical transducer comprising a dielectric elastomer with contact by a first electrode and a second electrode, said dielectric elastomer comprising a polyurethane polymer comprising the reaction product of A) a polyisocyanate and/or B) a polyisocyanate prepolymer with C) a compound having at least two isocyanate-reactive groups wherein the polyisocyanate prepolymer B) and/or the compound C) having at least two isocyanate-reactive groups comprise polytetramethylene glycol ether units of the formula (I): —[O—CH2-CH2-CH2-CH2-]n??(I) where n?25; and with a minimum value nmin for the value n and a maximum value nmax for the value n in the formula (I) selected such that the difference between nmax and nmin is ?0 to ?4. The present invention further provides a process for producing such an electromechanical transducer, and to an electric and/or electronic device including the inventive electromechanical transducer.

Abstract: Prepolymers, which are accessible from formamides of low molecular weight di- or triamines (formamide-terminated low molecular weight compounds) and di- or polyisocyanates, of the general formula (II): X—[—N(CHO)—CO—NH—R1—NCO]n ??(II) wherein X represents a linear or branched aliphatic, cycloaliphatic, heterocyclic and/or aromatic structural unit having 2 to 40 carbon atoms, and which is optionally further substituted and/or optionally comprises one or more heteroatoms, wherein R1 represents an organic radical which may optionally contain one or more heteroatoms and which may further contain one or more additional free isocyanate groups and/or one or more urethane, biuret, carbodiimide, isocyanurate, allophanate, iminooxadiazinedione and/or uretdione structural units, and wherein n?2; processes for making the same; compositions containing the same; and uses thereof