摘要:
The invention comprises a curable composition comprising: (i) a blocked reactive component wherein the blocked reactive component is a blocked isocyanate or a blocked isothiocyanate; (ii) a functional compound reactive with the blocked reactive component, the functional compound containing reactive hydrogen; (iii) a catalyst for promoting the reaction of the reactive component with the blocked functional compound, wherein said catalyst is based on the reaction product of manganese, cobalt, nickel, copper, zinc, germanium, antimony, or bismuth, or the oxides thereof with a mercaptan, or an organic acid, wherein said organic acid is hexanoic, oxalic, adipic, lactic, tartaric, salicylic, thioglycolic, succinic, or mercapto succinic acid, or the reaction product of copper or germanium, or the oxides thereof with a lower aliphatic acid. The manganese, cobalt, nickel, copper, zinc, germanium, antimony, or bismuth catalysts can be used in conjunction with other compounds to promote the reaction, especially compounds based on tin, preferably organotin compounds. Water soluble catalysts are preferred. The coating composition can be electrocoated on a conductive substrate and cured.
摘要:
Aqueous compositions containing polymerizable components and a water incompatible catalyst for the polymerization reaction sorbed onto an inorganic particulate carrier, polymers produced thereby and articles coated with said polymers are provided. The invention also relates to water incompatible catalyst sorbed onto on an inorganic particulate carrier for aqueous coatings and the coatings produced by reactions catalyzed with the water incompatible catalyst sorbed onto an inorganic particulate carrier in an aqueous matrix.
摘要:
This invention provides: (a) new organotin functionalized silanes: (b) a solid prepared by chemically bonding organotin functionalized silanes to a solid inorganic support containing surface hydroxy groups: (c) a solid catalyst prepared from said supported organotin functionalized silane; (d) a process for conducting esterification or transesterification, and urethane, urea, silicone, and amino forming reaction utilizing said solid supported catalyst; (e) a process of separating the solid supported catalyst from the reaction products employing ligand-solid separation techniques; (f) reuse of the solid supported catalyst after being separated from the reaction products; (g) a continuous esterification or transesterification reaction or urethane, urea, silicone, or amino form.
摘要:
Aqueous compositions containing polymerizable components and a water incompatible catalyst for the polymerization reaction sorbed onto an inorganic particulate carrier, polymers produced thereby and articles coated with said polymers are provided. The invention also relates to water incompatible catalyst sorbed onto on an inorganic particulate carrier for aqueous coatings and the coatings produced by reactions catalyzed with the water incompatible catalyst sorbed onto an inorganic particulate carrier in an aqueous matrix.
摘要:
This invention provides: (a) new organotin functionalized silanes: (b) a solid prepared by chemically bonding organotin functionalized silanes to a solid inorganic support containing surface hydroxy groups: (c) a solid catalyst prepared from said supported organotin functionalized silane; (d) a process for conducting esterification or transesterification, and urethane, urea, silicone, and amino forming reaction utilizing said solid supported catalyst; (e) a process of separating the solid supported catalyst from the reaction products employing ligand-solid separation techniques; (f) reuse of the solid supported catalyst after being separated from the reaction products; (g) a continuous esterification or transesterification reaction or urethane, urea, silicone, or amino forming reaction or urethane, urea, silicone, or amino forming reaction comprising passing reactants for a esterification or transesterification reaction or urethane, urea, silicone, or amino forming reaction or a urethane, urea, silicone, or amino forming reaction or a urethane, urea, silicone, or amino forming reaction reaction through a reactor containing a catalytically effective amount of said solid supported catalyst to form esterification or transesterification reaction or a urethane, urea, silicone, or amino forming reaction or a urethane, urea, silicone, or amino forming reaction products in said reactor and removing said reaction products from said reactor; and (h) esterification or transesterification reaction or a urethane, urea, silicone, or amino forming reaction or urethane, urea, silicone, or amino forming reaction products produced with said solid, supported, tin-containing catalyst and said reaction products containing less than 100ppm tin by weight; and (i) the synthesis of organotin silanes with and without a Lewis acid.
摘要:
The invention comprises a curable composition comprising: (i) a blocked reactive component wherein the blocked reactive component is a blocked isocyanate or a blocked isothiocyanate; (ii) a functional compound reactive with the blocked reactive component, the functional compound containing reactive hydrogen; (iii) a catalyst for promoting the reaction of the reactive component with the blocked functional compound, wherein said catalyst is based on the reaction product of manganese, cobalt, nickel, copper, zinc, germanium, antimony, or bismuth, or the oxides thereof with a mercaptan, or an organic acid, wherein said organic acid is hexanoic, oxalic, adipic, lactic, tartaric, salicylic, thioglycolic, succinic, or mercapto succinic acid, or the reaction product of copper or germanium, or the oxides thereof with a lower aliphatic acid. The manganese, cobalt, nickel, copper, zinc, germanium, antimony, or bismuth catalysts can be used in conjunction with other compounds to promote the reaction, especially compounds based on tin, preferably organotin compounds. Water soluble catalysts are preferred. The coating composition can be electrocoated on a conductive substrate and cured.REFERENCE TO RELATED APPLICATIONS
摘要:
The invention comprises a curable composition comprising:(i) a blocked reactive component wherein the blocked reactive component is a blocked isocyanate or a blocked isothiocyanate;(ii) a functional compound reactive with the blocked reactive component, the functional compound containing reactive hydrogen;(iii) a catalyst for promoting the reaction of the reactive component with the blocked functional compound, wherein said catalyst is based on the reaction product of manganese, cobalt, nickel, copper, zinc, germanium, antimony, or bismuth, or the oxides thereof with a mercaptan, or an organic acid, wherein said organic acid is hexanoic, oxalic, adipic, lactic, tartaric, salicylic, thioglycolic, succinic, or mercapto succinic acid, or the reaction product of copper or germanium, or the oxides thereof with a lower aliphatic acid. The manganese, cobalt, nickel, copper, zinc, germanium, antimony, or bismuth catalysts can be used in conjunction with other compounds to promote the reaction, especially compounds based on tin, preferably organotin compounds. Water soluble catalysts are preferred. The coating composition can be electrocoated on a conductive substrate and cured.
摘要:
A polyol pre-mix composition includes a blowing agent having a halogenated hydroolefin, a polyol, a surfactant, a catalyst composition, and a metal salt. The metal salt may be, for example, a carboxylate, acetylacetonate, alcoholate of a metal selected from the group consisting of Zn, Co, Ca, and Mg. The metal salt may be, for example, a carboxylate and/or alcoholate of a C1-C21 straight chain or branched aliphatic monocarboxylic acid or monoalcohol, such as magnesium formate, zinc octoate, calcium octoate, cobalt octoate, and magnesium octoate, and mixtures thereof. The metal acetylacetonate may be, for example, zinc acetylacetonate, cobalt acetylacetonate, magnesium acetylacetonate, or calcium acetylacetonate. A two-part system for producing a thermosetting foam blend includes (a) a polyisocyanate and, optionally, one or more isocyanate compatible raw materials; and (b) the polyol pre-mix composition. A method for producing a thermosetting foam blend includes combining: (a) a polyisocyanate; and (b) the polyol pre-mix composition.
摘要:
This invention provides: (a) new organotin functionalized silanes: (b) a solid prepared by chemically bonding organotin functionalized silanes to a solid inorganic support containing surface hydroxy groups: (c) a solid catalyst prepared from said supported organotin functionalized silane; (d) a process for conducting esterification or transesterification, and urethane, urea, silicone, and amino forming reaction utilizing said solid supported catalyst; (e) a process of separating the solid supported catalyst from the reaction products employing ligand—solid separation techniques; (f) reuse of the solid supported catalyst after being separated from the reaction products; (g) a continuous esterification or transesterification reaction or urethane, urea, silicone, or amino forming reaction or urethane, urea, silicone, or amino forming reaction comprising passing reactants for a esterification or transesterification reaction or urethane, urea, silicone, or amino forming reaction or a urethane, urea, silicone, or amino forming reaction or a urethane, urea, silicone, or amino forming reaction reaction through a reactor containing a catalytically effective amount of said solid supported catalyst to form esterification or transesterification reaction or a urethane, urea, silicone, or amino forming reaction or a urethane, urea, silicone, or amino forming reaction products in said reactor and removing said reaction products from said reactor; and (h) esterification or transesterification reaction or a urethane, urea, silicone, or amino forming reaction or urethane, urea, silicone, or amino forming reaction products produced with said solid, supported, tin-containing catalyst and said reaction products containing less than 100 ppm tin by weight; and (i) the synthesis of organotin silanes with and without a Lewis acid.
摘要:
Dual cure organotin salts of strong organic acids, the use of such salts as catalysts and an improved process for producing the catalysts are provided. The catalysts are capable of effectively catalyzing esterification and transesterification reactions and urethane, silicone, melamine, ester and acrylic forming reactions and can simultaneously catalyze more than one reaction in a mixture of urethane, silicone, amino, ester and acrylic polymer forming reactants to produce a polymer mixture.