The present invention relates to a viscoelastic element comprising a polyurethane foam, wherein the polyurethane foam can be obtained by reacting at least one isocyanate-functional prepolymer (VI) in the presence of a special polyurethane urea dispersion (V2), wherein the reaction of the prepolymer (VI) takes place in the presence of the polyurethane urea (V2) with a medium containing isocyanate-reactive groups. The invention also relates to a method for producing the viscoelastic element and to the use thereof.

An additive formulation for lignocellulosic composites comprising a) a first aqueous emulsion comprising i) a component selected from the group consisting of petroleum wax, a triglyceride, and combinations thereof; and ii) a first anionic emulsifier; and b) a second aqueous emulsion comprising: i) a reaction product of I) a derivative of a polyol selected from the group consisting of saccharides, sugar alcohols, sugar acids, gluconic acids, and gluconic acid lactones; and II) a polyisocyanate; and ii) an emulsifier selected from the group consisting of a second anionic emulsifier, a non-ionic emulsifier, and mixtures thereof, is disclosed.

The present invention relates to a viscoelastic element comprising a polyurethane foam, wherein the polyurethane foam can be obtained by reacting at least one isocyanate-functional prepolymer (V1) in the presence of a special polyurethane urea dispersion (V2), wherein the reaction of the prepolymer (V1) takes place in the presence of the polyurethane urea (V2) with a medium containing isocyanate-reactive groups. The invention also relates to a method for producing the viscoelastic element and to the use thereof.

The present invention relates to a viscoelastic element comprising a polyurethane foam, wherein the polyurethane foam can be obtained by reacting at least one isocyanate-functional prepolymer (V1) in the presence of a special polyurethane urea dispersion (V2), wherein the reaction of the prepolymer (V1) takes place in the presence of the polyurethane urea (V2) with a medium containing isocyanate-reactive groups. The invention also relates to a method for producing the viscoelastic element and to the use thereof.

A polyamideimide resin composition containing: (A) a polyamideimide resin which has isocyanate groups at the terminals and in which at least a portion of the isocyanate groups are blocked with a blocking agent selected from the group consisting of alcohols, oximes and lactams, (B) N-formylmorpholine, and (C) water.

A liquid composition comprising (a) a solvent or solvent mixture containing at least 50% by weight, based on the total amount of solvents, of a dioxabicycloalkane derivative, (b) an aromatic tricarboxylic acid anhydride, and (c) an aromatic diisocyanate,
can be used as coating composition for metal surfaces.

Aqueous polymer compositions and their use as coatings are disclosed. A composition includes at least one polyurethane (meth)acrylate A and at least one compound B having a molecular weight of below 1000 g/mol and having at least two ethylenically unsaturated double bonds per molecule. The polyurethane (meth)acrylates A include the following components: component A1 includes at least one polyisocyanate A1a and at least one diisocyanate A1b; component A2 includes at least one compound having at least one ethylenically unsaturated double bond, and at least one functional group F; component A3 includes at least one neutral polyol including at least one aliphatic, polymeric polyol A3a and at least one low molecular weight diol A3b; component A4 includes at least one compound having at least one ionic or ionizable group I and at least one functional group F; and component A5 includes at least one poly-C.sub.2-C.sub.3 alkylene ether.

A problem addressed by the present invention is to provide a resin out of which a heat-resistant non-woven fabric having a fine fiber diameter can be made by an electrospinning method. A main object of the present invention is to provide a resin, including a structure(s) represented by at least one selected from the group consisting of the following general formulae (1) to (3), wherein an end of the main-chain of the resin has at least one selected from alkyl groups having 10 or more carbon atoms and fluoroalkyl groups having 4 or more carbon atoms;

##STR00001##

(wherein, in the general formula (1), X independently represents a single bond or NR.sup.3; R.sup.1 and R.sup.2 independently represent a C.sub.4-C.sub.30 bivalent organic group; R.sup.3 represents a hydrogen atom or a C.sub.1-C.sub.10 monovalent organic group; in the general formula (2), R.sup.4 represents a C.sub.4-C.sub.30 bivalent organic group; R.sup.5 represents a C.sub.4-C.sub.30 tetravalent organic group; in the general formula (3), R.sup.6 represents a C.sub.4-C.sub.30 bivalent organic group; R.sup.7 represents a C.sub.4-C.sub.30 trivalent organic group; l, m, and n are each an integer of 0 or greater with the proviso that l+m+n=10 or greater; and wherein the structures represented by the general formulae (1) to (3) do not necessarily need to be consecutively present.)

A problem addressed by the present invention is to provide a resin out of which a heat-resistant non-woven fabric having a fine fiber diameter can be made by an electrospinning method. A main object of the present invention is to provide a resin, including a structure(s) represented by at least one selected from the group consisting of the following general formulae (1) to (3), wherein an end of the main-chain of the resin has at least one selected from alkyl groups having 10 or more carbon atoms and fluoroalkyl groups having 4 or more carbon atoms;

##STR00001##

(wherein, in the general formula (1), X independently represents a single bond or NR.sup.3; R.sup.1 and R.sup.2 independently represent a C.sub.4-C.sub.30 bivalent organic group; R.sup.3 represents a hydrogen atom or a C.sub.1-C.sub.10 monovalent organic group; in the general formula (2), R.sup.4 represents a C.sub.4-C.sub.30 bivalent organic group; R.sup.5 represents a C.sub.4-C.sub.30 tetravalent organic group; in the general formula (3), R.sup.6 represents a C.sub.4-C.sub.30 bivalent organic group; R.sup.7 represents a C.sub.4-C.sub.30 trivalent organic group; l, m, and n are each an integer of 0 or greater with the proviso that l+m+n=10 or greater; and wherein the structures represented by the general formulae (1) to (3) do not necessarily need to be consecutively present.)

A composition for forming a polyurethane foam is provided using polyol having a total unsaturation less than 0.04 meq/g, methylene diphenyl diisocyanate (MDI), and epoxidized soybean oil. The epoxidized soybean oil may comprise greater than about 5% by weight of the composition. A method for forming polyurethane foam using the aforementioned composition is also provided.