Abstract: The invention relates to a multilayer structure comprising at least three layers and to a method for the production and use thereof.

Abstract: The invention relates to polyurethane foams and to the use thereof in foaming of profiles, in particular aluminum profiles, for improving the thermal insulation properties of said profiles.

Abstract: The invention relates to compact, lightfast polyurethane moulded parts which consist of isocyanates, polyols and chain extenders and/or cross-linking agents, as well as to the use of same.

Abstract: The invention relates to moulded parts provided with reinforcing materials and consisting of polyurethane urea elastomers having defined urea and urethane contents, and to the use thereof.

Abstract: The invention relates to foamed lightfast polyurethane mouldings and to the use thereof.

Abstract: The invention relates to light-fast polyurethanes and to the use thereof.

Abstract: The invention relates to parts coated with polyisocyanurates and to the use thereof. Such parts are preferably used in the ocean.

Abstract: The present invention relates to a multi-layered plastic material, a process for the preparation thereof, and the use thereof. A multi-layered plastic material having a bending modulus of elasticity of >250 N/mm2, comprising a polyurethane support layer containing red phosphorus and/or melamine and/or melamine derivatives, and laminated thereon at least one polyurethane cover layer containing expandable graphite.

Abstract: The invention relates to compact plastics mouldings having bulk densities of >1000 kg/m3, high strength, bending strength and high heat resistance, and to their use.

Abstract: The invention relates to antistatic and electrically conductive polyurethanes containing conductive carbon blacks and carbon fibers, and the use thereof.

Abstract: The invention relates to antistatic and electrically conductive polyurethanes containing conductive carbon blacks and carbon fibers, and the use thereof.

Abstract: Polyurea-polyurethane molded articles are produced by reacting organic polyisocyanates, polyols and aromatic amine chain extenders with alkylthio groups with improved impact strength, heat resistance, rigidity (quantified via the flexural modulus) and length of the injection time

Abstract: Polyurethane articles having a compressed shell and a cellular core, so-called integral skin foams are produced from an isocyanate component which includes one or more inorganic zeolites.

Abstract: The invention provides a process for the production of flexible to semi-rigid polyurethane shaped articles with a compacted edge zone of given hardness and a significantly more flexible cell core, so-called integral foams, in which non-combustible mixtures of fluoroalkanes which comprise 1,1,1,3,3-pentafluorobutane (R 365mfc) are employed as physical blowing agents.

Abstract: Solid polyurethane moldings having high inherent rigidity, thin walls and a complex geometry are produced. These polyurethane moldings can be produced by reacting a selected polyisocyanate with a selected compound having groups that are capable of reacting with isocyanate groups by means of the casting process which is a simple and inexpensive processing technology.

Abstract: The invention provides a process for the production of flexible to semi-rigid polyurethane shaped articles with a compacted edge zone of given hardness and a significantly more flexible cell core, so-called integral foams, in which non-combustible mixtures of fluoroalkanes which comprise 1,1,1,3,3-pentafluorobutane (R 365mfc) are employed as physical blowing agents.

Abstract: The description relates to production of rigid foamed plastics containing urethane groups, by use of a blowing-agent mixture containing 5 to 50 parts by weight of C3 and/or C4 alkanes and 50 to 95 parts by weight of cyclopentane. There is also a description of use of the thus-produced rigid foamed plastics as composite components or for foam filling of cavities in refrigerator construction.

Abstract: A process for the production of rigid polyurethane foams having low thermal conductivity is described.

Abstract: The invention provides a process for preparing flexible to semi-rigid polyurethane moulded items with compacted edge zones with given hardness and a much more flexible cellular core, so-called integral foams, in which physical blowing agents from the set comprising C6 hydrocarbons are used.

Abstract: A process for preparing polyurethane rigid foams from polyols and polyisocyanates as well as blowing agents and optionally foam auxiliary agents, characterized in that the polyurethane rigid foam is obtained by reactingA) a polyol component with on average at least 3 hydrogen atoms, containing1. 60 to 100% of polyethers and/or polyesters with at least 2 hydroxyl groups and a molecular weight of 250 to 1,500, which have a surface tension of 6 to 14 mN/m with respect to i-pentane and/or n-pentane as blowing agent,2. i-pentane and/or n-pentane as blowing agent,3. water and4. optionally auxiliary agents and additiveswithB) a polyisocyanate with an NCO-content of 20 to 48 wt. % which has a surface tension of 4.0 to 8 mN/m with respect to i-pentane or n-pentane as blowing agentis described.