Disclosed are devices for determining an analyte concentration (e.g., glucose). The devices comprise a sensor configured to generate a signal associated with a concentration of an analyte and a sensing membrane located over the sensor. The sensing membrane comprises a biointerface layer which interfaces with a biological fluid containing the analyte to be measured. The biointerface layer can comprises a biointerface polymer, wherein the biointerface polymer comprises polyurethane and/or polyurea segments and one or more zwitterionic repeating units. The sensing membrane can also comprise an enzyme layer, wherein the enzyme layer comprises an enzyme and a polymer comprising polyurethane and/or polyurea segments and one or more zwitterionic repeating units. The sensing membrane can also comprise a diffusion-resistance layer, which can comprise a base polymer having a lowest Tg of greater than −50 C.

Disclosed are devices for determining an analyte concentration (e.g., glucose). The devices comprise a sensor configured to generate a signal associated with a concentration of an analyte and a sensing membrane located over the sensor. The sensing membrane comprises a biointerface layer which interfaces with a biological fluid containing the analyte to be measured. The biointerface layer can comprises a biointerface polymer, wherein the biointerface polymer comprises polyurethane and/or polyurea segments and one or more zwitterionic repeating units. The sensing membrane can also comprise an enzyme layer, wherein the enzyme layer comprises an enzyme and a polymer comprising polyurethane and/or polyurea segments and one or more zwitterionic repeating units. The sensing membrane can also comprise a diffusion-resistance layer, which can comprise a base polymer having a lowest Tg of greater than −50 C.

The present invention relates to fiber-plastics composites consisting of (I) at least one fiber material and (II) a plastics matrix, where the composite is characterized in that the plastics matrix is based on a two-component matrix material (IIa), where the two-component matrix material (IIa) comprises (1) a parent component comprising (A) at least one polycarbonatediol and (2) a hardener component comprising (C) at least one polyisocyanate-modified polyester with from 4 to 15% isocyanate content. The present invention also relates to a process for the production of the fiber-plastics composites and to use of these.

A pavement marking composition comprises an isocyanate-containing component and an amine-containing component. At least one of the components comprises plasticizer and at least one of the components comprises filler. The composition comprises about 5 wt. % or more plasticizer and is substantially free of polyaspartic ester amines.

A pavement marking composition comprises an isocyanate-containing component and an amine-containing component. At least one of the components comprises plasticizer and at least one of the components comprises filler. The composition comprises about 5 wt. % or more plasticizer and is substantially free of polyaspartic ester amines.

The present invention relates to the use of aqueous hybrid dispersions, wherein (a) an aqueous polyurethane dispersion is prepared and (b) said polyurethane dispersion is used as raw material for the additional synthesis of a polyacrylate dispersion and the resulting hybrid dispersion is used as binder in filled coating materials, in particular, as binder for the flexible roof coating.

The present invention relates to the use of aqueous hybrid dispersions, wherein (a) an aqueous polyurethane dispersion is prepared and (b) said polyurethane dispersion is used as raw material for the additional synthesis of a polyacrylate dispersion and the resulting hybrid dispersion is used as binder in filled coating materials, in particular, as binder for the flexible roof coating.

To provide a polymer material having properties that allow the polymer material to replace a polyimide and a polyamide synthesized from a petroleum raw material, said polymer material being synthesized from a raw material derived from natural molecules. [Solution] This polymer material is obtained by polymerizing a polymer raw material comprising a dimer of 4-amino cinnamic acid or a dimer of a 4-amino cinnamic acid derivative, which are natural molecules, wherein the carboxyl group is protected by an alkyl chain. The TGA curve of a polyamide acid (PAA-1) and a polyimide (PI-1) according to the present invention is shown in FIG. 5.

The present invention provides an aqueous polyurethane (PU)-polyacrylate hybrid dispersion obtainable by free radical polymerization of at least one acrylate polymer (A1) in the presence of at least one polyurethane (P1), a process for preparing these aqueous polyurethane-polyacrylate hybrid dispersions, wherein said process comprises a) preparing an aqueous polyurethane dispersion and b) using the polyurethane dispersion thus prepared as raw material for the further synthesis of a polyacrylate dispersion, and the use of the hybrid dispersion thus obtained as binder in filled coating materials, particularly as a binder for flexible roof coatings.

The present invention provides an aqueous polyurethane (PU)-polyacrylate hybrid dispersion obtainable by free radical polymerization of at least one acrylate polymer (A1) in the presence of at least one polyurethane (P1), a process for preparing these aqueous polyurethane-polyacrylate hybrid dispersions, wherein said process comprises a) preparing an aqueous polyurethane dispersion and b) using the polyurethane dispersion thus prepared as raw material for the further synthesis of a polyacrylate dispersion, and the use of the hybrid dispersion thus obtained as binder in filled coating materials, particularly as a binder for flexible roof coatings.