Reinforced polyurethanes and poly(ureaurethane)s, methods of making the same and articles prepared therefrom
First Claim
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1. A polyurethane composition comprising:
- (a) at least one polyurethane comprising a reaction product of components comprising;
(1) a polyurethane prepolymer prepared from components comprising;
(i) about 1 equivalent of at least one polyisocyanate; and
(ii) about 0.1 to about 0.9 equivalent of at least one branched polyol having 4 to 18 carbon atoms and at least 3 hydroxyl groups, glycerol, or glycerin; and
(iii) about 0.3 to about 0.9 equivalent of at least one polyol having one or more bromine atoms, one or more phosphorus atoms or combinations thereof; and
(2) about 0.1 to about 0.9 equivalents of one or more diols free of bromine atoms and phosphorus atoms and having 2 to 18 carbon atoms; and
(b) at least one reinforcement material selected from the group consisting of polymeric inorganic materials, nonpolymeric inorganic materials, polymeric organic materials, nonpolymeric organic materials, composites thereof, and mixtures thereof.
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Abstract
The present invention provides polyurethane composition including: (a) at least one polyurethane including a reaction product of components comprising: (i) at least one polyisocyanate; (ii) at least one branched polyol having 4 to 18 carbon atoms and at least 3 hydroxyl groups; and (iii) at least one diol having 2 to 18 carbon atoms; and (b) at least one reinforcement material selected from the group consisting of polymeric inorganic materials, nonpolymeric inorganic materials, polymeric organic materials, nonpolymeric organic materials, composites thereof, and combinations thereof; coatings and articles made therefrom and methods of making the same.
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Citations
23 Claims
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1. A polyurethane composition comprising:
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(a) at least one polyurethane comprising a reaction product of components comprising; (1) a polyurethane prepolymer prepared from components comprising; (i) about 1 equivalent of at least one polyisocyanate; and (ii) about 0.1 to about 0.9 equivalent of at least one branched polyol having 4 to 18 carbon atoms and at least 3 hydroxyl groups, glycerol, or glycerin; and (iii) about 0.3 to about 0.9 equivalent of at least one polyol having one or more bromine atoms, one or more phosphorus atoms or combinations thereof; and (2) about 0.1 to about 0.9 equivalents of one or more diols free of bromine atoms and phosphorus atoms and having 2 to 18 carbon atoms; and (b) at least one reinforcement material selected from the group consisting of polymeric inorganic materials, nonpolymeric inorganic materials, polymeric organic materials, nonpolymeric organic materials, composites thereof, and mixtures thereof. - View Dependent Claims (4, 5, 6, 7, 8, 9, 10, 11, 12)
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2. A polyurethane composition comprising:
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(a) at least one polyurethane comprising a reaction product of components comprising; (1) a polyurethane prepolymer prepared from components comprising; (i) at least one polyisocyanate; and (ii) at least one branched triol having 4 to 18 carbon atoms and at least 3 hydroxyl groups; and (2) at least one diol having 2 to 18 carbon atoms; and (b) at least one reinforcement material selected from the group consisting of polymeric inorganic materials, nonpolymeric inorganic materials, polymeric organic materials, nonpolymeric organic materials, composites thereof, and combinations thereof, wherein the at least one polyisocyanate is selected from the group consisting of (1) polyisocyanate trimers and (2) branched polyisocyanates selected from the group consisting of 1,8-diisocyanato-4-(isocyanatomethyl)octane, 2,5,7-trimethyl-1,8-diisocyanato-5-(isocyanatomethyl)octane, 2-isocyanatopropyl-2,6-diisocyanatohexanoate, 2,4,6-trioxo-1,3,5-tris(6-isocyanatohexyl)hexahydro-1,3,5-triazine, 2,4,6-trioxo-1,3,5-tris(5-isocyanato-1,3,3-trimethyl-cyclohexylmethyl)hexahydro-1,3,5-triazine, tris(4-isocyanatophenyl)methane, 1,3,5-tris(3-isocyanato-4-methylphenyl)-2,3,6-trioxohexahydro-1,3,5 triazine, N-isocyanatohexylamino-carbonyl-N,N′
-bis(isocyanatohexyl)urea and 4-(isocyanatomethyl)-1,8-octane diisocyanate;the at least one diol is selected from the group consisting of ethylene glycol, diethylene glycol, triethylene glycol, 1,2-ethanediol, propanediol, butanediol, pentanediol, hexanediol, heptanediol, octanediol, nonanediol, decanediol, dodecane diol, cyclopentanediol, 1,4-cyclohexanediol, cyclohexanedimethanol, 1,4-benzenedimethanol, xylene glycol, hydroxybenzyl alcohol, 1,4-bis(hydroxyethyl)piperazine, N,N′
,bis(2-hydroxyethyl)oxamide and mixtures thereof; andthe at least one triol is selected from the group consisting of glycerol, glycerin, tetramethylolmethane, trimethylolethane, trimethylolpropane, erythritol, pentaerythritol, dipentaerythritol, tripentaerythritol and mixtures thereof, wherein the equivalent ratio of NCO;
OH is about 1.0;
1.0, and wherein the reaction product components comprise less than about 5 weight percent of polyester polyol, polycarbonate polyol, or polyether polyol, and include less than about 0.1 equivalent of amine curing agent for about 1 equivalent of polyisocyanate and, upon mixing, the reaction components are maintained at a reaction temperature of at least about 100°
C. for at least about 10 minutes. - View Dependent Claims (13, 14, 15, 16, 17)
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3. A polyurethane comprising a reaction product of components comprising:
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(a) about 1 equivalent of at least one polyisocyanate; (b) about 0.1 to about 0.9 equivalents of at least one branched polyol having 4 to 18 carbon atoms and at least 3 hydroxyl groups, glycerol or glycerin; (c) about 0.3 to about 0.9 equivalents of at least one polyol having one or more bromine atoms, one or more phosphorus atoms or combinations thereof; (d) about 0.1 to about 0.9 equivalents of one or more diols free of bromine atoms and phosphorus atoms and having 2 to 18 carbon atoms; and (e) at least one reinforcement material selected from the group consisting of polymeric inorganic materials, nonpolymeric inorganic materials, polymeric organic materials, nonpolymeric organic materials, composites thereof, and mixtures thereof. - View Dependent Claims (18, 19, 20, 21, 22, 23)
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Specification