The present invention relates to novel polyurethanes based on a diisocyanate, a carboxylic acid functionalized diol and an acid-free diol, their use as pharmaceutical excipients for improving gastrointestinal absorption, the respective pharmaceutical dosage forms and methods for making the polyurethanes.

This invention provides: a polyurethane for cosmetic preparations, which is obtained by reacting (A) a polyester polyol having two or more hydroxyl groups in each molecule, (B) an aliphatic diol consisting of two hydroxyl groups and an aliphatic hydrocarbon group having 3 to 8 carbon atoms, (C) a carboxyl group-containing diol which has a carboxyl group and two hydroxyl groups in the molecule and has a molecular weight of 100 to 300, (D) a diisocyanate containing at least one compound selected from the group consisting of isophorone diisocyanate, hexamethylene diisocyanate and dicyclohexylmethane-4,4′-diisocyanate, and (E) a chain extender which contains at least one compound selected from the group consisting of water, ethylene diamine and propylene diamine and which has a weight average molecular weight of 50,000 to 300,000; a production method; and a cosmetic preparation which contains this polyurethane for cosmetic preparations.

This invention provides: a polyurethane for cosmetic preparations, which is obtained by reacting (A) a polyester polyol having two or more hydroxyl groups in each molecule, (B) an aliphatic diol consisting of two hydroxyl groups and an aliphatic hydrocarbon group having 3 to 8 carbon atoms, (C) a carboxyl group-containing diol which has a carboxyl group and two hydroxyl groups in the molecule and has a molecular weight of 100 to 300, (D) a diisocyanate containing at least one compound selected from the group consisting of isophorone diisocyanate, hexamethylene diisocyanate and dicyclohexylmethane-4,4′-diisocyanate, and (E) a chain extender which contains at least one compound selected from the group consisting of water, ethylene diamine and propylene diamine and which has a weight average molecular weight of 50,000 to 300,000; a production method; and a cosmetic preparation which contains this polyurethane for cosmetic preparations.

The present invention provides an aircraft window including a polyurethane including a reaction product of components including (a) about 1 equivalent of at least one polyisocyanate; and (b) about 1 equivalent of 1,4-cyclohexane dimethanol based upon the about 1 equivalent of the at least one polyisocyanate, and other aircraft window compositions.

The present disclosure relates to charge-bearing polymeric materials and methods of their use for purifying fluid samples from micropollutants, such as anionic micropollutants.

The present disclosure relates to charge-bearing polymeric materials and methods of their use for purifying fluid samples from micropollutants, such as anionic micropollutants.

Provided is a latent curing agent, including: porous particles supporting an aluminum chelate compound; and a coating film over surfaces of the porous particles, the coating film containing an aluminum chelate compound and a polymer that contains at least one of a urea bond and an urethane bond, wherein a content of an active aluminum chelate compound is 20% by mass or greater.

Provided is a latent curing agent, including: porous particles supporting an aluminum chelate compound; and a coating film over surfaces of the porous particles, the coating film containing an aluminum chelate compound and a polymer that contains at least one of a urea bond and an urethane bond, wherein a content of an active aluminum chelate compound is 20% by mass or greater.

The present invention is directed to radiation-curable aqueous polyurethane dispersion, wherein the dispersion comprises aniomcally stabilized polyurethane A present in disperse form; and wherein said polyurethane A comprises 5 (meth)acrylamide functional groups in an amount of at least 0.2 mmol per g of the polyurethane A.

The present invention is directed to radiation-curable aqueous polyurethane dispersion, wherein the dispersion comprises aniomcally stabilized polyurethane A present in disperse form; and wherein said polyurethane A comprises 5 (meth)acrylamide functional groups in an amount of at least 0.2 mmol per g of the polyurethane A.