Abstract: A polyurethane composition includes a first component wherein a polyol mixture containing at least one polyol P1 having an average molar mass of 800-30,000 g/mol, the polyol being a polyhydroxy-functional fat and/or oil, or a chemical modification of natural fats and/or oils; preferably at least one polyol selected from the group of polyester polyols and polyether polyols; and a second component wherein at least one aliphatic polyisocyanate I, and at least one filler. The composition includes a tin catalyst for the reaction of hydroxyl and isocyanate groups, forming a thio complexes, and at least one compound including at least one thiol group, wherein the molar ratio of all thiol groups of all metal atoms of the at least one tin catalyst K (T/K) lies between 2.2:1 and 40:1, and the molar ratio of all NCO groups of the at least one tin catalyst K (NCO/K) lies between 50 and 1500.

Abstract: A polyurethane composition including first and second component; wherein first component A includes: at least one polyol A1 having OH functionality ranging from 1.5 to 4 and a mean molecular weight ranging from 250 to 15 000 g/mol, and at least one diol A2 having two hydroxyl groups linked via C2 to C9 carbon chain, and at least one compound T having at least one thiol group; and second component B includes at least one polyisocyanate I.

Abstract: A method of manufacturing a blended cement, including a step of co-grinding Portland clinker and cementitious waste material in the presence of a grinding aid selected from alkanolamines, glycols, glycerol, carbohydrates, chlorides, or mixtures thereof. Blended cements obtainable in such method. The use of an admixture selected from alkanolamines, glycols, and/or glycerol to increase the performance after hardening of a blended cement including Portland clinker and a supplementary cementitious material retrieved from cementitious waste material.

Abstract: A sealing composition, including: at least one epoxy terminated polyurethane prepolymer; heat-activatable curing agent or accelerator including an amidoamine having a primary amino group and dicyanodiamide; impact modifier which is a reaction product of at least one polymeric diol, at least one polyisocyanate, and cardanol; and at least one polyaldimine. The sealing compound composition is suitable for use as a sealing compound in automotive bodies.

Abstract: A method for mitigating the effect of swelling clays in mineral construction materials, including at least one dispersant for the mineral binder, the method including a step of adding a copolymerized polyvinyl alcohol to the mineral construction material. The present invention also relates to a mineral construction material including at least one mineral binder, swelling clay, at least one dispersant for the mineral binder, and a copolymerized polyvinyl alcohol.

Abstract: A system of connected body elements for a motor vehicle, the system including: a first body element; a second body element, wherein the body elements are arranged with respect to one another such that there is a gap between the body elements; an adhesive which is arranged at least partially in the gap and adhesively bonds the first body element to the second body element. At least one attachment element is arranged on at least one of the body elements such that the attachment element divides the gap into a channel and a shoulder lying next to the channel, wherein the adhesive is at least partially arranged in the channel and at least partially on the shoulder, and wherein a connection region directly adjoining the shoulder is free of adhesive, and wherein the attachment element does not completely seal the gap between the body elements.

Abstract: A computer-implemented method, includes steps: providing or selecting a sample of heterogeneous material to be analyzed; b) taking at least one digital image of the sample with a camera of a computer device, mobile computer device, or camera connected to a computer device, in which at least one digital image that was pre-recorded with standalone camera; c) performing image analysis, of at least one digital image extracting following properties: a size parameter, shape parameter, particle shape parameter, spatial distribution, orientation parameter, surface parameter, particle surface parameter, roughness parameter, packing density, segregation parameter, color, and/or an area share of constituents, particle-shaped constituents, identified by image analysis in at least one digital image; and/or an area share of continuous phase identified by image analysis in at least one digital image; and d) making available one or more properties extracted in step c) via user interface, machine interface and/or data storage

Abstract: A ternary hydraulic binder composition including the mineralogical compound C4A3$ (ye'elimite) and a member selected from the group consisting of gypsum, calcium sulfate hemihydrate, anhydrite and mixtures thereof (collectively named C$Hx with x being a rational number from 0 to 2), and optionally C2S (belite), including an added content of the mineralogical compound C12A7 (dodecacalcium heptaaluminate). Moreover, it suggests a process for the manufacture thereof, a process for the manufacture of a construction chemical composition including water, and the use of the ternary composition in construction chemical compositions including knifing fillers, screeds, and repair mortars, tile adhesives, tiling grouts, plasters, base coats and sealings.

Abstract: A two-component epoxy resin composition, includes a first component K1 including at least one epoxy resin A that contains on average more than one epoxy group per molecule; and a second component K2 including a hardener B for epoxy resins including at least one polyamide and optionally at least one polyamidoamine; wherein the two-component epoxy resin composition contains between 2.8 and 10 wt.-%, preferably between 3.2 and 8 wt.-%, in particular between 4 and 7 wt.-%, based on the total weight of the composition, of at least one impact modifier I in either one or both of components K1 and K2; wherein the impact modifier I is a reaction product of at least one polymeric diol, at least one polyisocyanate, and cardanol; and that the total amount of polyamide and polyamidoamine accounts for at least 85 wt.-%, preferable at least 90 wt.-% of the hardener B.

Abstract: The invention relates to a process for preparing an adhesion-promoting pre-treatment composition, comprising the steps: a) providing a reaction vessel containing 100 parts by weight of an alcohol having 1 to 4 carbon atoms; b) adding at least one organosilane OS in an amount that between 0.15 and 0.8 parts by weight of silicon are added and optionally adding at least one organoitianate OT in an amount that between 0.01 and 0.8 parts by weight of titanium are added and optionally adding at least one organozirconate OZ in an amount that between 0.01 and 0.8 parts by weight of zirconium are added; c) adding an acid A in an amount that the resulting pH is between 3.

Abstract: A computer implemented method to determine the proportions of at least two different additives to be added to a curable binder composition, including the steps of: capturing and/or determining at least one constituent parameter, characterizing a chemical and/or physical property of at least one constituent of the curable binder composition, at least one processing parameter, characterizing a desired processing property of the composition during processing, and at least one exposure parameter, characterizing a condition the composition is intended to be exposed to in cured state; for each of the additives, deriving a proportion of the respective additive based on a predefined functional relationship, defined such that the proportion of the respective additive is calculable based on the parameters determined in step a); and making available the proportions of each of the additives derived in step b) via a user interface, via a machine interface and/or on a data storage medium.

Abstract: A self-adhering roofing membrane, a fully-adhered roof system and a method for producing a self-adhering roofing membrane, the roofing membrane including a waterproofing layer including at least one polymer P1, a first adhesive layer, a barrier layer including a polymeric film including at least one polymer P2, a second adhesive layer, and optionally a release liner, wherein the first and second adhesive layers are pressure sensitive adhesive layers.

Abstract: A two-component epoxy resin composition, consisting of a first component K1 including at least one epoxy resin A that contains on average more than one epoxy group per molecule; and a second component K2 including at least one anhydride-functional hardener B for epoxy resins and preferably a curing accelerator for anhydride-cured epoxy resins; characterized in that component K1 contains between 2 and 35 wt.-%, preferably between 3 and 25 wt.-%, in particular between 5 and 15 wt.-%, based on the total weight of component K1, of at least one toughener T, wherein said toughener T is a reaction product of at least one polymeric diol, at least one polyisocyanate, and cardanol. The two-component epoxy resin composition exhibits excellent thermally induced crack resistance and is highly suitable as electrical insulation for electric or electronic equipment or as casting resin in industrial assembly.

Abstract: A mixer (1) comprises a drum (2) having at least one inlet (6) and one outlet (7). The mixer (1) furthermore comprises a drive (3) and a stirring shaft (4), which is arranged in the drum (2) and is coupled to the drive (3). Furthermore, the mixer (1) comprises a conveying device (5), which is arranged in the drum (2) and which is arranged on one and the same axis as the stirring shaft (4).

Abstract: A layered assembly including a substrate based on a hydraulically binding composition, a primer layer, and a constructional layer wherein the primer layer is positioned between the substrate and the constructional layer, and wherein the primer layer includes a polymer and a wax. The invention also relates to methods for producing the layered assembly and methods for detaching the constructional layer from the layered assembly.

Abstract: A urethane adhesive composition contains a urethane prepolymer (A) having an isocyanate group at its terminal, and a compound (B) represented by Formula (1), where R represents a hydrogen atom or an alkyl group, and n represents an integer of 6 or more.

Abstract: Cementitious compositions and methods for the preparation of corresponding cementitious compositions, appropriate oxidatively degraded polysaccharides and methods for producing the same, as well as the use of oxidatively degraded polysaccharides as water reducing agents in cementitious compositions, wherein the compositions include an oxidatively degraded polysaccharide as a water reducing agent to provide similar water reducing properties to cementitious composition formulated with lignosulfonates. The oxidatively degraded polysaccharides have the advantage over lignosulfonates of a lower price and a more consistent quality and are expected to be compatible with polycarboxylate ether cement additives.

Abstract: A moisture-curing polyurethane composition including (i) at least one linear polymer P1 containing isocyanate groups and having an NCO content in range from 0.3%-3.3% by weight, obtained from reaction of at least one monomeric aromatic diisocyanate and polyether diol having an OH number in range from 5-37 mg KOH/g, (ii) at least one branched polymer P2 containing isocyanate groups and having an NCO content in range from 1%-10% by weight, obtained from reaction of at least one monomeric aromatic diisocyanate and at least one polyether triol having an average OH functionality of at least 2.2 and OH number in range from 16-380 mg KOH/g, (iii) and a content of plasticizers of not more than 15% by weight, based on overall composition, wherein polymers P1 and P2 are present in weight ratio in range from 80/20-95/5, and to the use of composition as elastic adhesive or elastic sealant or elastic coating.

Abstract: A device for reinforcing, sealing, or damping a structural element in a motor vehicle comprises a carrier, having a first lateral region and a second lateral region, and a first adhesive for connecting the carrier to the structural element. The first adhesive is arranged on the first lateral region of the carrier. The second lateral region of the carrier is designed in such a way that a second adhesive, which can be pumped or extruded onto the structural element or onto the second lateral region of the carrier, is supported by the second lateral region of the carrier during and/or after its activation.

Abstract: A two-component silicone composition including a component (A) including at least one hydroxyl-terminated polydiorganosiloxane (P); preferably at least one filler; between 0.05% and 5.