Ppg Industries Ohio, Inc.

Ppg Industries, Inc.

Vitro, S.a.b. De C.v.

Thomas G Rukavina

Robert M Hunia

Chia-Cheng Lin

Caroline S Harris

Veronica L Frain

Yan Wang

Gregory J McCollum

Mehran Arbab

Songwei Lu

Charles R Coleman

John B Slobodnik

David L Backfisch

Phillip C Yu

Kuo-Chuan Ho

Charles B Greenberg

Yu Jiao

Michael Andrew Zalich

Kaliappa G Ragunathan

Nina Vassileva Bojkova

David E Singleton

Vidhu J Nagpal

Chia Cheng Lin

Nina V Bojkova

Ralph E Spindler

Harold F Lewis

Alfred L Maryland

Veronica Lynn Frain

Daryl J Robinson

Articles are provided including at least one polyurethane prepared from: (a) about 1 equivalent of at least one polyisocyanate; (b) about 0.005 to about 0.35 equivalent of at least one polycaprolactone polyol; (c) about 0.01 to about 1.0 equivalent of at least one polyol selected from the group consisting of ethylene glycol, diethylene glycol, triethylene glycol, tetraethylene glycol, 1,2-ethanediol, propanediol, butanediol, pentanediol, hexanediol, heptanediol, octanediol, nonanediol, decanediol, dodecane diol, octadecanediol, cyclopentanediol, 1,4-cyclohexanediol, cyclohexanedimethanol, 1,4-benzenedimethanol, xylene glycol, hydroxybenzyl alcohol, dihydroxytoluene, bis(2-hydroxyethyl) terephthalate, 1,4-bis(hydroxyethyl)piperazine, N,N',bis(2-hydroxyethyl)oxamide and mixtures thereof; and (d) about 0.01 to about 0.5 equivalent of at least one polyol selected from the group consisting of glycerol, tetramethylolmethane, trimethylolethane, trimethylolpropane, erythritol, pentaerythritol, dipentaerythritol, tripentaerythritol, sorbitan, and mixtures thereof, each based upon the about 1 equivalent of the at least one polyisocyanate, wherein the article has a Gardner Impact strength of at least about 400 in-lb according to ASTM D-5420-04.

Polyurethane article and methods of making the same

The present invention provides polyurethanes including a reaction product of components including: (a) an isocyanate functional urethane prepolymer comprising a reaction product of components including: (i) about 1 equivalent of at least one polyisocyanate; and (ii) about 0.1 to about 0.5 equivalents of at least one diol having 2 to 18 carbon atoms; and (b) about 0.05 to about 0.9 equivalents of at least one branched polyol having 4 to 18 carbon atoms and at least 3 hydroxyl groups; and (c) up to about 0.9 equivalents of at least one polyol different from branched polyol (b) and having 2 to 18 carbon atoms, wherein the reaction product components are essentially free of polyester polyol and polyether polyol; compositions, coatings and articles made therefrom and methods of making the same.

Polyurethanes, articles and coatings prepared therefrom and methods of making the same

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.

Aircraft windows

The present invention provides polyurethanes including a reaction product of components including: (a) an isocyanate functional urethane prepolymer including a reaction product of components including: (i) about 1 equivalent of at least one polyisocyanate; and (ii) about 0.01 to about 0.5 equivalent of at least one polyol having at least 3 hydroxyl groups; and (b) about 0.1 to about 1.0 equivalent of at least one polyol having at least 3 hydroxyl groups; compositions, coatings and articles made therefrom and methods of making the same.

The present invention provides polyurethanes including a reaction product of components including: (1) a reaction product of (a) an isocyanate functional urethane prepolymer including a reaction product of components including: (i) about 1 equivalent of at least one polyisocyanate; and (ii) about 0.005 to about 0.35 equivalent of at least one polycaprolactone polyol; and (b) about 0.01 to about 0.5 equivalent of at least one polyol having 2 hydroxyl groups, based upon the about 1 equivalent of the at least one polyisocyanate; and (2) about 0.3 to about 1.0 equivalent of at least one polyol having at least 2 hydroxyl groups, based upon the about 1 equivalent of the at least one polyisocyanate, wherein the at least one polyol (b) can be the same or different from the at least one polyol (2); compositions, coatings and articles made therefrom and methods of making the same.

The present invention provides polyurethanes including a reaction product of components including: (a) at least one isocyanate functional prepolymer including a reaction product of: (1) about 1 equivalent of at least one polyisocyanate; and (2) about 0.01 to about 0.5 equivalent of at least one polycarbonate polyol; and (b) about 0.01 to about 1 equivalent of at least one branched polyol having at least 3 hydroxyl groups; compositions, coatings and articles made therefrom and methods of making the same.

The present invention provides polyurethanes including a reaction product of components including (a) an isocyanate functional urethane prepolymer comprising a reaction product of components including: (i) about 1 equivalent of at least one polyisocyanate; and (ii) about 0.1 to about 0.5 equivalents of at least one diol having 2 to 18 carbon atoms; and (b) about 0.05 to about 0.9 equivalents of at least one branched polyol having 4 to 18 carbon atoms and at least 3 hydroxyl groups; and (c) up to about 0.9 equivalents of at least one polyol different from branched polyol (b) and having 2 to 18 carbon atoms, wherein the reaction product components are essentially free of polyester polyol and polyether polyol; compositions, coatings and articles made therefrom and methods of making the same.

The present invention discloses a method for forming a laminated window. The method includes: a) assembling a mold between two plies that make up a laminated window; b) filling the mold with a reaction mixture having: (1) at least one chain extender; (2) at least one polyether polyol having a molecular weight of approximately 1,000; and (3) at least one aliphatic polyisocyanate; and c) curing the reaction mixture.

Window interlayer with sound attenuation properties

The present invention is directed toward a polymer and a method for making a polymer that has nanostructures incorporated into the matrix of the polymer. The method of the invention involves the following steps: mixing a precursor solution for the polymer with a precursor for the nanostructures to form a mixture; forming nanostructures in the mixture from the precursor of the nanostructures; and forming a polymer from the precursor solution of the polymer so that the nanostructures are incorporated into the polymer matrix.

Process for making polymers having nanostructures incorporated into the matrix of the polymer

The present invention provides polyurethanes including a reaction product of components including: (a) about 1 equivalent of at least one polyisocyanate; (b) about 0.05 to about 1 equivalents of at least one branched polyol having 4 to 18 carbon atoms and at least 3 hydroxyl groups; (c) about 0.01 to about 0.3 equivalents of at least one polycarbonate diol; and (d) about 0.1 to about 0.9 equivalents of at least one polyol different from the branched polyol and having 2 to 18 carbon atoms, wherein the reaction product components are essentially free of polyether polyol and the reaction components are maintained at a temperature of at least about 100&#xb0; C. for at least about 10 minutes; compositions, coatings and articles made therefrom and methods of making the same.

The present invention provides polyurethanes including a reaction product of components including: (a) about 1 equivalent of at least one polyisocyanate; (b) about 0.05 to about 0.9 equivalents of at least one branched polyol having 4 to 18 carbon atoms and at least 3 hydroxyl groups; and (c) about 0.1 to about 0.95 equivalents of at least one diol having 2 to 18 carbon atoms, wherein the reaction product components are essentially free of polyester polyol and polyether polyol and the reaction components are maintained at a temperature of at least about 100&#xb0; C. for at least about 10 minutes, compositions, coatings and articles made therefrom and methods of making the same.

Growing community of inventors

New Kensington, PA, United States of America

Thomas G Rukavina