Described herein is a method of manufacturing a one-pack polyurethane dispersion, where the dispersion includes a polyurethane containing hydroxyl groups and at least one group selected from the group consisting of acid groups and polyalkoxylene groups, the acid groups of the polyurethane, if present, being neutralized to an extent from 0 to 100 mol-% of the acid groups; and a fully blocked polyisocyanate; where the method includes obtaining a mixture A; reacting a hydroxy-functional polymer with mixture A, thus-obtaining a mixture B; and neutralizing 0 to 100 mol-% of the acid groups, if contained in mixture B, based on the total amount of acid groups in mixture B. Also described herein are one-pack polyurethane dispersions obtainable according to the method, one-pack coating materials including the same and coated substrates including cured coating materials.

The invention relates to aqueous polyurethane-vinyl polymer hybrid dispersions comprising, as building blocks, hydrophobically modified hydroxy-functional polyesters A, acids B that have further groups which react with isocyanates under formation of urethanes, ureas, or thiourethanes, compounds G having only one hydroxyl group, and one or more tertiary amino groups, olefinically unsaturated monomers H2 having a polymerisable ethylenic unsaturation and a further functional group which reacts with an isocyanate group under bond formation, olefinically unsaturated monomers H1 having at least one polymerisable ethylenic unsaturation and no further functional group which reacts with an isocyanate group, and multifunctional isocyanates I having at least two isocyanate groups per molecule, to a process of their preparation, and to a method of use thereof.

The present invention relates to a polyurethane which is the reaction product of a polyisocyanate and polyester, wherein said polyester is formed from a dimer fatty acid, a C.sub.2 to C.sub.4 diol, and a C.sub.8 to C.sub.16 dicarboxylic acid or C.sub.6 to C.sub.12 lactide. The inventions also relates to a polyester for use in forming the polyurethane of the first aspect, said polyester formed from a dimer fatty acid, a C.sub.2 to C.sub.4 diol, and a C.sub.8 to C.sub.16 dicarboxylic acid or C.sub.6 to C.sub.12 lactide.

Aromatic polyester polyols with high functionality, moderate viscosity, and high aromatic content suitable as the sole polyol in the production of polyurethane foams without the use of any polyether polyols are disclosed. This unique combination of properties makes them suit for use as the sole polyol in the production of polyurethane foams. With reduction of flame retardants, these foams based on sole aromatic polyol can have E-84 class one fire properties. The aromatic polyester polyols of this invention are characterized as having a functionality of greater than 2.8 while having a moderate viscosity ranging from 4,000-10,000 cps @ 25 C. A typical high functional polyester polyol of the present invention has a hydroxyl number in the range of 320-400, viscosity of 4,000-10,000 cps @ 25 C, functionality of greater than 2.8 and percent phenyl content greater than 14.75.

The invention relates to a coating composition comprising an oxidatively drying binder and an anti-skinning agent, the anti-skinning agent comprising: a) a diketone of formula (I) (b) an aldoxime or ketoxime of formula (II) wherein R.sup.1, R.sup.2, R.sup.3, R.sup.4 and n have the same meaning as that defined by the present application.

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Provided herein are novel and improved weight coating systems suitable for use with pipes, particularly pipes that are submerged in liquid, such as water, in environments including oceans, seas, marshes, lakes and rivers. The novel coating systems provided herein comprise an aggregate and a polyurethane binder, wherein the polyurethane binder is a two -component composition comprising an isocyanate component and an iso-cyanate-reactive component. The coating systems provided have increased durability, as well as flexibility allowing for efficiencies related to transportation, storage, use and resistance to corrosive effects. Furthermore, the coating systems are cost effective and have minimal or zero impact on the environments in which they are utilized.

This disclosure provides methods for the chemical modification of triglycerides that are highly enriched in specific fatty acids and subsequent use thereof for producing functionally versatile polymers.

Described herein is a polyester polyol, which is derived from a first reaction product of (a) a Component A, wherein the Component A is a phthalic acid, a phthalic anhydride or mixtures thereof, (b) a Component B, wherein the Component B is a dimer fatty acid, a dimer fatty acid diol or mixtures thereof, and (c) a Component C, wherein the Component C is an aliphatic diol, an aromatic diol, or mixtures thereof, wherein Component C comprises 2 to 10 carbon atoms and optionally catenated heteroatoms selected from O, S, and N. Also disclosed herein are polyurethane polymers and pressure sensitive adhesives made from the polyurethane polymers or the polyester polyols.

The invention relates to a hydroxylated and/or carboxylated polyester resin, which comprises, in its structure, ester units formed from a polyol component a) comprising at least one polyol al) chosen from hydroxylated and/or epoxidized fatty acid triglycerides of general formula (I): R-CO2-(H)C-(CH2-CO2-R)2 (I) with R being the residue radical without a carboxyl group of a hydroxylated and/or epoxidized fatty acid RCO2H with R comprising from 13 to 21 carbon atoms and at least one hydroxyl and/or epoxy group. The invention also relates to a crosslinkable coating composition in an organic solvent medium comprising said resin, just like the coating which results from this use.

Described herein is a barrier coating composition comprising an organic blend comprising a first component and a second component, the first component comprising latex polymer and the second component being selected from polyurethane emulsion, wax emulsion, and alkyd emulsion, wherein the first component and the second component are present in a weight ratio ranging from about 2:1 to about 20:1, and the latex polymer has a glass transition temperature of less than about 18° C.