The invention relates to a composition which forms an insulating layer and which contains a binder based on polyurea. The inventive composition, which has a relatively high expansion rate, allows application, in a simple and rapid manner, of coatings having the layer thickness required for the particular fire resistance time, it being possible to reduce the layer thickness to a minimum and nevertheless to achieve high insulating action. The inventive composition is particularly suitable for fire protection, especially as a coating for metallic and nonmetallic substrates, for instance steel components such as pillars, beams and bars, for increasing the fire resistance time.

The present inventions relates to a low solvent based method for the production of a microporous polymer coated fibrous fabric, comprising the steps of contacting the fabric with a composition dispersed in an aqueous medium thereby coating the fabric with the composition, and contacting the coated with a coagulation solution and drying of the fabric, crosslinking the polymer resin. Furthermore, the present invention relates to a cleaning cloth comprising a microporous polymer coating obtained by the method.

The present invention relates to a method for preparing a functional film via coffee oil, comprising (a) extracting a coffee oil from coffee; (b) modifying the coffee oil to obtain an epoxidized coffee oil; (c) adding an alcohol into the epoxidized coffee oil to obtain a coffee polyol; (d) synthesizing a polyurethane dispersive solution with the coffee polyol; (e) coating a surface of a substrate with the polyurethane dispersive solution; and (f) drying and fixing the surface of the substrate. The present invention further provides a functional textile comprising a functional film prepared by the method of above.

The present disclosure relates to a fire retardant laminate and a fire-resistant wood product comprising the fire retardant laminate.

A one component spray polyurethane foam formulation containing a polymeric isocyanate with nominal functionality of 2.5 to 3.5, a polyol component that is at least 85 percent aliphatic and having a mole ratio of polyol with three or more functionality to total polyol of 0.2 to 0.75, 15-30 wt % of a plasticizer, 1.5-3.5 wt % phosphorous, 5.5 to 11.5 halogen and 1.5 to 5 millimoles of blowing agent per gram of formulation and that is free of expandable graphite achieves a B2 rating in DIN 4102 testing.

The present invention generally relates to polyurethane foam composition. In one embodiment, the present invention relates to polyurethane foam compositions that have increased and/or improved fire-retardant properties due to the inclusion of one or more liquid and/or solid fire-retardants. In another embodiment, the present invention relates to polyurethane foam compositions that have increased and/or improved fire-retardant properties due to the inclusion of one or more intumescent materials (e.g., expandable graphite (EG)). In still another embodiment, the present invention relates to polyurethane foam compositions that have increased and/or improved fire-retardant properties due to the inclusion of expandable graphite.

The invention relates to a method for producing a surface-structured layered material which has a backing layer (I) and a polyurethane layer (2) connected thereto, the backing layer (I) used, in particular in pieces, being a leather, preferably a smoothed full-grain leather or a split cowskin, a textile material, preferably a woven fabric or a knitted fabric, a cellulose fibre material, a split foam, a leather fibre material or a microfibre fleece and being connected to the layer (2), and the layer (2) applied to the backing layer (I) being at least one, preferably a single layer formed of a PU foam, in particular containing gas pockets, preferably a whipped PU foam optionally containing hollow microspheres and/or a PU foam containing hollow microspheres. According to the invention: —the PU foam, in particular containing gas pockets, is created with a PU dispersion mixture, wherein the individual PU dispersions used to create the PU dispersion mixture exhibit different softening points in the dry state; —to create the PU dispersion mixture, one or more PU dispersions having heat—preferably melting and contact adhesive properties and a softening point in the dry state greater than 40° C., preferably greater than 45° C., in an amount of 18 to 52 wt ¾ of the finished PU dispersion mixture is/are mixed with one or more PU dispersions without melting and contact adhesive properties and with a softening point greater than 95° C., preferably greater than 125° C., in an amount of 39 to 73 wt ¾ of the finished PU dispersion mixture; —the PU dispersion mixture for the layer (2) is applied to the backing layer (I) with a thickness such that the layer has a thickness in the dried state of 0.075 to 0.450 mm, preferably 0.150 to 0.280 mm; —before or during structuring of the PU foam, a further layer (3) of a non-foamed PU dispersion which is a mixture of multiple PU dispersions is applied to the layer (2); —the backing layer (I) is optionally cut or punched into banks or pattern parts before or after the application of the PU foam, in particular after the drying thereof, and the coated blanks or pattern parts are subjected to stamping or structuring under pressure and temperature; and —the backing layer (1), the further layer (3) and the layer (2) are compressed and joined to one another and structured with a die (4) under application of a contact pressure of 4 to 48 kg/cm2, preferably 4 to 48 kg/cm2, in particular 18 to 25 kg/cm2.

The invention relates to a composition and to a process for preparing moisture-crosslinking polymers under catalysis by at least one metal-siloxane-silanol(ate) compound, and to the use of the composition in the CASE sector (coatings, adhesives, sealants and elastomers), especially in the field of adhesives and sealants.

An aqueous non-foamed functional composition formulation is disposed on a foamed opacifying layer in light-blocking, foamed opacifying elements. This non-foamed functional composition formulation has 0.5-15% solids and essential (i) and (iv) components and optional (ii), (v), (vi), and (vii) components. The components (i) untreated synthetic silica (fumed silica or precipitated silica) at 0.5-10 weight %; and a (iv) water-soluble or water-dispersible organic polymeric binder having a glass transition temperature (T.sub.g) below 25° C. The weight ratio of the (i) untreated synthetic silica to the (iv) water-soluble or water-dispersible organic polymeric binder is 10:1 to 1:1. The optional components include: a (ii) solid or non-solid lubricant; a (v) crosslinking agent; a (vi) thickener; and a (vii) coating aid. Glass particles can also be present. The presence of the (i) untreated synthetic silica provides improved brightness, e.g. an L* value of at least 80, and uniform coatings in the resulting, foamed opacifying element.

An aqueous functional composition formulation is used to provide a top layer or pattern in light-blocking opacifying elements. This functional composition formulation has 0.5-15% solids and the essential (i) and (iv) components and any optional (ii), (v), (vi), and (vii) components. The essential components are (i) fumed silica particles at 0.5-10 weight %; and a (iv) water-soluble or water-dispersible organic polymeric binder having a glass transition temperature (T.sub.g) below 25° C. The weight ratio of the (i) fumed silica particles to the (iv) water-soluble or water-dispersible organic polymeric binder is 10:1 to 1:5. The optional components include: a (ii) solid or non-solid lubricant; a (v) crosslinking agent; a (vi) thickener; and a (vii) coating aid. Glass particles can also be present. The presence of the (i) fumed silica provides improved brightness, e.g. an L* value of at least 80, and uniform coatings in the opacifying element.