Abstract: A macro-synthetic fiber includes three or more partially fused filaments made of a polymer composition including at least one polypropylene, wherein the fiber has a multi-lobal cross-sectional shape with three or more lobes. A method produces macro-synthetic fibers, a cementitious material includes a binder and macro-synthetic fibers, and a method for forming a concrete surface uses a concrete mixture modified with the macro-synthetic fibers.

Abstract: A floor protection system including (i) optionally at least one epoxy resin primer, (ii) at least one polyurethane coating, (iii) optionally quartz sand, which has been scattered into and/or onto the polyurethane coating, and (iv) an epoxy resin sealant, obtained from a resin component containing at least one epoxy liquid resin and a hardener component containing at least one amine of formula (I). The floor protection system has an aesthetically pleasing, hard and robust surface and a good dynamic crack bridging with surprisingly high elasticity of the sealant. The system is particularly suitable as a surface protection system for parking levels and drivable ramps.

Abstract: A two-component composition including a component K2, including at least one initiator for free-radical curing, and a component K1, including a) at least one monomer A according to formula (IIIa), b) at least one monomer B according to formula (IIIb), c) optionally between 10% by weight and 20% by weight, based on component K1, of at least one elastomer C of formula (I), and d) optionally at least one additive selected from core-shell polymer, activator for free-radical curing, inhibitor for free-radical curing, filler and adhesion promoter. Provided that component K1 contains between 25% by weight and 75% by weight, based on component K1, of the mixture of monomer A and monomer B, and the mass ratio of monomer A to monomer B in component K1 is between 1:1 and 9:1.

Abstract: A reinforcing element for reinforcing structural elements including at least one channel on an outer side. The outer side forms a shoulder next to the channel. Furthermore, the reinforcing element is provided for forming an open system in terms of an adhesion of the reinforcing element in the structural element, wherein, in a use state of the reinforcing element in the structural element, a space is formed between the shoulder of the reinforcing element and the structural element, which is open relative to an adjacent cavity of the structural element.

Abstract: A method for bonding two substrates including applying a pumpable thermally foaming filler composition on a first substrate Si, and placing the second substrate S2 so that the distance between the first substrate S1 and the second substrate S2 at the place of application of the pumpable thermally foaming filler composition is between 2-10 mm, and heating the first substrate S1 and the second substrate S2 to a temperature above the activation temperature of the foaming agent to foam the pumpable thermally foaming filler composition, wherein between step ii) and step iii) the applied pumpable thermally foaming filler composition is not in contact with the second substrate S2. The pumpable thermally foaming filler composition includes at least one rubber, a polyvinylchloride resin and/or acrylic resin powder and a foaming agent. The method of bonding substrates with a thermally expandable composition provides a reduced bond line read through (BLRT) phenomenon.

Abstract: The invention is directed to a self-adhering roofing membrane (1) comprising a waterproofing layer (2) comprising at least one polymer P1, a first adhesive layer (3), a barrier layer (4) comprising a polymeric film (4-1) comprising at least one polymer P2, a second adhesive layer (5), and optionally a release liner (6), wherein the first and second adhesive layers (3, 5) are pressure sensitive adhesive layers. The invention is also directed to a fully-adhered roof system and to method for producing a self-adhering roofing membrane.

Abstract: An adhesive composition including at least one isocyanate-functional polyurethane polymer and having a low content of monomeric diisocyanates. Also, a method for producing the adhesive composition, to the use of the adhesive composition as an assembly adhesive, laminating adhesive, or as adhesive for building of sandwich elements, and a method for bonding substrates to each other.

Abstract: Accelerators for the reaction of high-silica aluminosilicates with water are selected from the group made of alkanolamines, reducing agents, sugars, sugar acids, carboxylic acids or their salts, amino acids or their salts, sulfamic acid, glyoxal, acetylacetone, pyrocatechol, nitrilotri(methylphosphonic acid), etidronic acid, mineral salts, or mixtures thereof. The binders include high-silica aluminosilicates and the accelerators and are used in construction materials.

Abstract: A method for the automated mounting of insulating elements on structural elements of motor vehicles includes the following steps: providing a plurality of insulating elements, wherein an insulating element in each case includes a carrier, an expandable material which is arranged on the carrier, and at least one fixing element for fixing the insulating element on the structural element; gripping individual insulating elements by a robot, wherein the robot is designed as a multi-axis robot with a gripper; and mounting in each case an insulating element on a structural element by the robot, wherein the at least one fixing element of the insulating element is inserted into an opening in the structural element.

Abstract: A curable composition includes—a first component containing aldehyde group-containing compounds which include at least one compound with two or more aldehyde groups and—a second component containing malonate group-containing compounds which include at least one compound with two or more malonate groups of the formula (I), wherein the average molecular weight Mn of at least one of the two components, with respect to the aldehyde or malonate group-containing compounds, ranges from 400 to 20,000 g/mol. The composition is largely free of toxicologically concerning ingredients and cures in ambient conditions using conventional catalysts quickly and in a trouble-free manner in order to form a non-tacky elastic polymer with a high degree of strength and elasticity. The composition is particularly suitable for use as an elastic adhesive, sealant, or coating with a high degree of robustness during production, storage, and processing as well as a high degree of resistance after curing.

Abstract: An insulating element for insulating a structural element in a vehicle includes a carrier which has an intermediate wall, a first side wall and a second side wall, wherein the walls of the carrier extend along a common longitudinal axis, and wherein the carrier has, in a plane perpendicular to the longitudinal axis, an H-shaped cross section in which the first side wall and the second side wall are each arranged at one end of the intermediate wall. The insulating element also includes an expandable material which is arranged both between the side walls and on both sides of the intermediate wall, and at least one fixing element which passes through both the carrier and the expandable material and is arranged substantially perpendicularly to the intermediate wall of the carrier.

Abstract: Methods for the retrieval of aggregates from waste construction material by grinding in a ball mill or on a compressive grinder, which are useful in the recycling of waste construction material, especially in the recycling of concrete or mortar. Also, cleaned aggregates obtained from waste construction material by grinding and their use on the production of new construction materials.

Abstract: A system including: a plurality of identical insulation elements for insulating a structural element in a motor vehicle, wherein each insulation element has a carrier and an expandable material which is arranged on the carrier, wherein adjacent insulation elements lie on one another via contact points and are arranged substantially parallel to one another and, as a result, form a stack and define a stack direction; at least one binding element which exerts a force on an uppermost insulation element of the stack in a direction counter to the stack direction, and exerts a force on a lowermost insulation element of the stack in a direction in the stack direction, with the result that the stack is bound together by way of the at least one binding element.

Abstract: A method for the assembly of a floor construction, including a step of mixing a dry underlayment composition having a ternary binder with an aqueous dispersion of organic resins, forming a levelling layer from this mixture on a porous substrate, and adhering a cover material thereto.

Abstract: A reinforcing element for reinforcing a structural element in a motor vehicle, the reinforcing element including: a carrier; an expandable material, the expandable material being arranged at least partially on the carrier; at least two fixation elements that are connected with the carrier, the fixation elements each including a metallic tab with an essentially flat central section adapted for welding, and the fixation elements being arranged in such a way that the reinforcing element is fixable to the structural element with a weld connection between the tabs and the structural element; wherein the metallic tabs are enclosed by material of the carrier; and wherein the fixation elements are arranged in a peripheral area of the carrier.

Abstract: A two-component epoxy system, including a part (A) including at least one epoxide bearing two or more epoxy groups and at least one (meth)acrylate, and a part (B) including at least one amine and at least one metal catalyst, wherein parts (A) and (B) are physically separated from each other.

Abstract: A radiation curable adhesive composition including: a) At least one styrene-based polymer, b) At least one tackifying resin, c) At least one photoinitiator, and d) At least one crosslinking agent, wherein the at least one photoinitiator can be activated with irradiation having a wavelength of 365-500 nm, to initiate the curing reactions of the adhesive composition.

Abstract: Binders for geopolymers, which include: a) not less than 30 w % of a mixture of at least two chemically different aluminosilicates, b) not less than 20 w % of Ordinary Portland cement, and c) 8-20 w % of a mixture of calcium sulfoaluminate cement or calcium aluminate cement with a source of calcium sulfate, wherein in the mixture the weight ratio of calcium sulfate to calcium sulfoaluminate and/or calcium aluminate is between 0.08-1.5, preferably 0.3-1.1, more preferably 0.6-1.1. Also, geopolymers using such binders as well as their use in various construction methods.

Abstract: An insulation or cover board includes a substrate layer having upper and lower primary exterior surfaces and an adhesive layer covering at least a portion of one of the primary exterior surfaces of the substrate layer, wherein the adhesive layer is formed of a non-reactive hot-melt pressure sensitive adhesive.

Abstract: Methods for activating ground granulated blast furnace slag (GGBS) by an admixture including triethanolamine and diethanolisopropanolamine; admixtures including triethanolamine and diethanolisopropanolamine; and hydraulic binder compositions including GGBS, optionally Portland cement, and triethanolamine and diethanolisopropanolamine.