Poly(ureaurethane)s, articles and coatings prepared therefrom and methods of making the same
AssigneePPG Industries Ohio, Inc.
InventorsThomas G. Rukavina, Robert Hunia
Life of this patent
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Abstract
The present invention provides poly(ureaurethane)s including a reaction product of components comprising: (a) at least one isocyanate functional ureaurethane prepolymer comprising the reaction product of: (1) at least one isocyanate functional urethane prepolymer comprising the reaction product of: (i) a first amount of at least one polyisocyanate; and (ii) a first amount of at least one branched polyol; and (2) water, to form an isocyanate functional ureaurethane prepolymer; and (b) a second amount of at least one polyisocyanate and a second amount of at least one branched polyol; compositions, coatings and articles made therefrom and methods of making the same.
Claims35
A poly(ureaurethane) consisting of a reaction product of components, wherein the components used to prepare the reaction product consist of:
- (a) at least one isocyanate functional ureaurethane prepolymer consisting of the reaction product of:
- (1) at least one isocyanate functional urethane prepolymer consisting of the reaction product of:
- (i) a first amount of at least one polyisocyanate;
- and
- (ii) a first amount of at least one branched polyol selected from the group consisting of glycerol, glycerin, tetramethylolmethane, trimethylolethane, trimethylolpropane, erythritol, pentaerythritol, dipentaerythritol, tripentaerythritol, sorbitan, and mixtures thereof;
- (2) water, wherein the equivalent ratio of isocyanate functional groups of the isocyanate functional urethane prepolymer to water ranges from 1:0.05 to 1:0.5, wherein urea linkages or units are formed by reacting the isocyanate functional groups of the isocyanate functional urethane prepolymer with water to form an isocyanate functional ureaurethane prepolymer;
- and
- (b) a second amount of at least one polyisocyanate and a second amount of at least one branched polyol, and
- (c) at least one aliphatic diol having 2 to 18 carbon atoms,
- wherein the components comprise less than about 5 weight percent of polyester polyol and less than about 5 weight percent of polyether polyol
- wherein urea linkages or units are formed by reacting the isocyanate functional groups of the isocyanate functional urethane prepolymer with water.
A poly(ureaurethane) consisting of a reaction product of components, wherein the components used to prepare the reaction product consist of:
- (a) at least one isocyanate functional ureaurethane prepolymer consisting of the reaction product of:
- (1) at least one isocyanate functional urethane prepolymer consisting of the reaction product of:
- (i) a first amount of at least one polyisocyanate;
- and
- (ii) a first amount of at least one branched polyol selected from the group consisting of glycerol, glycerin, tetramethylolmethane, trimethylolethane, trimethylolpropane, erythritol, pentaerythritol, dipentaerythritol, tripentaerythritol, sorbitan, and mixtures thereof;
- (2) water, wherein the equivalent ratio of isocyanate functional groups of the isocyanate functional urethane prepolymer to water ranges from 1:0.05 to 1:0.5, wherein urea linkages or units are formed by reacting the isocyanate functional groups of the isocyanate functional urethane prepolymer with water to form an isocyanate functional ureaurethane prepolymer;
- and
- (b) a second amount of at least one polyisocyanate and a second amount of at least one branched polyol, and
- (c) at least one of ethylene glycol, diethylene glycol, 1,2-ethanediol, propanediol, butanediol, pentanediol, hexanediol, heptanediol, octanediol, nonanediol, decanediol, dodecane diol, sorbitol, mannitol, cyclopentanediol, 1,4-cyclohexanediol, cyclohexanedimethanol, 1,4-benzenedimethanol, xylene glycol, hydroxybenzyl alcohol, dihydroxytoluene, 1,4-bis(hydroxyethyl)piperazine, N,N′,bis(2-hydroxyethyl)oxamide and mixtures thereof,
- wherein the components comprise less than about 5 weight percent of polyester polyol and less than about 5 weight percent of polyether polyol.
A poly(ureaurethane) consisting of a reaction product of components, wherein the components used to prepare the reaction product consist of:
- (a) at least one isocyanate functional ureaurethane prepolymer consisting of the reaction product of:
- (1) at least one isocyanate functional urethane prepolymer consisting of the reaction product of:
- (i) a first amount of at least one polyisocyanate;
- and
- (ii) a first amount of at least one branched polyol selected from the group consisting of glycerol, glycerin, tetramethylolmethane, trimethylolethane, trimethylolpropane, erythritol, pentaerythritol, dipentaerythritol, tripentaerythritol, sorbitan, and mixtures thereof;
- (2) water, wherein the equivalent ratio of isocyanate functional groups of the isocyanate functional urethane prepolymer to water ranges from 1:0.05 to 1:0.5, wherein urea linkages or units are formed by reacting the isocyanate functional groups of the isocyanate functional urethane prepolymer with water to form an isocyanate functional ureaurethane prepolymer;
- and
- (b) a second amount of at least one polyisocyanate and a second amount of at least one branched polyol, and
- (c) one or more polyurethane polyols, acrylamides, polyvinyl alcohols, hydroxy functional acrylates, hydroxy functional methacrylates, allyl alcohols, dihydroxy oxamides, dihydroxyamides, dihydroxy piperidines, dihydroxyethyl hydroquinones and mixtures thereof,
- wherein the components comprise less than about 5 weight percent of polyester polyol and less than about 5 weight percent of polyether polyol.
A poly(ureaurethane) consisting of a reaction product of components, wherein the components used to prepare the reaction product consist of:
- (a) at least one isocyanate functional ureaurethane prepolymer consisting of the reaction product of:
- (1) at least one isocyanate functional urethane prepolymer consisting of the reaction product of:
- (i) a first amount of at least one polyisocyanate;
- and
- (ii) a first amount of at least one branched polyol selected from the group consisting of glycerol, glycerin, tetramethylolmethane, trimethylolethane, trimethylolpropane, erythritol, pentaerythritol, dipentaerythritol, tripentaerythritol, sorbitan, and mixtures thereof;
- and
- (2) water, wherein the equivalent ratio of isocyanate functional groups of the isocyanate functional urethane prepolymer to water ranges from 1:0.05 to 1:0.5, wherein urea linkages or units are formed by reacting the isocyanate functional groups of the isocyanate functional urethane prepolymer with water to form an isocyanate functional ureaurethane prepolymer;
- and
- (b) a second amount of at least one polyisocyanate and a second amount of at least one branched polyol,
- wherein the components comprise less than about 5 weight percent of polyester polyol and less than about 5 weight percent of polyether polyol.
Dependencies are inferred from the claim text.