The present invention relates to a process for preparing polyoxyalkylene polyester polyols by reacting a starter compound having Zerewitinoff-active H atoms, a cyclic dicarboxylic acid anhydride and a fatty acid ester with an alkylene oxide in the presence of a basic catalyst. The invention further relates to polyoxyalkylene polyester polyols resulting from the method and to a preparation method for polyurethanes by reaction of the polyoxyalkylene polyester polyols according to the invention.

A moisture-permeable waterproof fabric includes: a porous moisture-permeable waterproof membrane on at least one surface of a fabric. Polyurethane forming the moisture-permeable waterproof membrane is synthesized using a polyol including a polycarbonate diol having a plant-derived component.

The present invention relates to curable photochromic compositions which include a polycarbodiimide, an at least di-functional first carboxylic acid functional material having at least two carboxylic acid groups, an optional second carboxylic acid functional material having at least three carboxylic acid groups, a photochromic compound, and an aprotic organic solvent. The curable photochromic compositions have an equivalents ratio of carbodiimide equivalents of the polycarbodiimide to a total carboxylic acid equivalents of the first and optional second carboxylic acid functional materials of from 0.5:1 to 10:1 when the second carboxylic acid functional material is not present; and from 0.5:1 to 3:1 when the second carboxylic acid functional material is present. The present invention, more particularly, relates to curable photochromic coating compositions, and curable photochromic adhesive compositions.

The present invention relates to a urethane prepolymer having an isocyanate group, a viscosity at 100° C. of 30 to 600 dPa.Math.s, and a thermal softening temperature after moisture curing of 75 to 155° C.

The invention relates to a hyperbranched polymer comprising:

a) a hyperbranched polycondensate with hydroxyl end groups, amino end groups, or a combination thereof condensed to
b) one or more linking groups connected to
c1) one or more polyethylene glycol monomethyl ethers and
c2) one or more poly(C.sub.2-C.sub.3)alkylene glycol mono-(C.sub.8-C.sub.22)-alkyl ethers,
wherein the weight ratio of components c1):c2) is from 9:1 to 1:9. It further relates to a process for producing the polymer, to a composition comprising the polymer and an active ingredient, and to a method for controlling phytopathogenic fungi or undesired vegetation or insect or acarid infestations or for regulating the growth of plants.

Coated packages and methods for coating such packages is disclosed The coating compositions comprise a carboxyl-containing polymer and a polycarbodiimide.

A method for operation in wellbore, the method comprises: pumping a fluid barrier into a wellbore through a tubular, the fluid barrier being operable to separate a cement slurry from a second fluid; the fluid barrier comprising a polyurethane member derived from a polyurethane forming composition comprising a para-phenylene diisocyanate terminated polycarbonate prepolymer and an aromatic diol.

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.

A rigid PU or PU-PIR foam comprising a reaction product of water, a catalyst, a foam-stabilizing surfactant, a polyisocyanate, a blowing agent and a blend comprising: (a) 90 to 99 wt.% of an aromatic polyester polyol having a hydroxyl number within the range of 150 to 400 mg KOH/g; and (b) 1 to 10 wt.% of a fatty acid derivative selected from the group consisting of C.sub.8 to C.sub.18 fatty acid esters and C.sub.8 to C.sub.18 fatty acid amides.

A polymer based antimicrobial coating composition comprising water; polyol; paint additives; hexamethylene diisocyanate (HDI hardener); a catalyst; and an antimicrobial agent, wherein said water takes up between 30% to 35% of the polymer composition by weight, and the polymer has a pentane adipate diol with dimethyl propionic acid functionality with an acid number from 75 to 95 and hydroxyl number from 320 to 360, and amounts to 12% to 15% of the polymer composition by weight.