A coating composition including a rheology modifier is described. The rheology modifier is a water-soluble polyurethane made by the condensation of a poly(alkylene glycol), a polyisocyanate and a compound including a polyalkoxylated chain and a hydrophobic end group. The composition demonstrates Leneta sag resistance of greater than about 14 and a Leneta flow and leveling of at least about 9, and a Stormer viscosity of less than about 120 Krebs units.

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.

A urethane polymer obtained by a reaction of: a monohydroxy compound (A), a polyethylene glycol (B), a monoglyceryl ether compound (C), and an isocyanate compound (D). This urethane polymer can be used as a urethane viscosity modifier excellent in long-term storage stability, similarly to alkali thickening-type viscosity modifiers, while having characteristics similar to those of existing urethane viscosity modifiers.

A new polymer that is capable of forming a composite with titanium dioxide particles and latex particles when admixed therewith is provided. The new polymer includes a water soluble polymer backbone, a first functional group attached to the polymer backbone and having an affinity for latex, and a second functional group attached to the polymer backbone and capable of forming a bond with titanium dioxide. A polymer modified titanium dioxide pigment and a method of forming a pigmented paint formulation are also provided.

A polymer and a pharmaceutical composition employing the same are disclosed. The polymer includes a first repeating unit, a second repeating unit, and a third repeating unit. In particular, the first repeating unit is ##STR00001##
the second repeating unit is ##STR00002##
wherein R.sup.1 is C.sub.1-6 alkyl group; and the third repeating unit is ##STR00003##
wherein X is ##STR00004##
and Y is a hydrophilic polymeric moiety.

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 a composition comprising an amphiphile and an active ingredient whose solubility in water at 20° C. is not more than 10 g/L, wherein the amphiphile comprises a dendritic polyurea which is joined to at least one linear or comb-type polymer, and the joining is effected via a difunctional linker, if the repeat units of the linear polymer are composed of polymerized alkylene oxide. The invention also relates to an amphiphile comprising a dendritic polyurea and a process for preparing the amphiphile.

The eyewear material is an eyewear material containing thermoplastic polyurethane. The eyewear material has a tan δ peak at both less than 0° C. and 0° C. or more and 70° C. or less observed in dynamic viscoelasticity measurement in tensile mode under the measurement conditions of a temperature increase speed of 5° C./min and a measurement frequency of 10 Hz.

Provided is a composition comprising one or more compound having the structure of formula II: ##STR00001##
wherein A is a residue of a polyisocyanate, L is a linking group formed by a reaction of an isocyanate group with an isocyanate-reactive group, n is 5 to 25, m is 0 to 100, and Z is methyl or ethyl or propyl, and
wherein the ratio of the sum of the moles of isocyanate groups plus the moles of said L groups to the moles of said Z groups is 2:1 to 30:1. Also provided is an emulsion in which the particles comprise such a composition and further comprise one or more water-insoluble compound that does not have the structure A-NCO.

The present invention is directed to a method for adjusting the tack value of a binder material formed from a composition comprising an emulsion wherein the emulsion comprises water and an emulsifiable pre-polymer and wherein the emulsifiable pre-polymer is the reaction product of (i) an isocyanate compound, (ii) a polyol compound, and (iii) a monol compound, the method comprising adjusting the reactive group ratio of component (i) to (ii) to achieve a tack value ranging from 1 to 4 as measured by the TACK TEST METHOD.