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8148488 |
(Block) polyisocyanate composition and coating composition using same
Disclosed is a polyisocyanate composition which is excellent in both curability and drying characteristic. The polyisocyanate composition contains at least one compound selected from aliphatic...
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8134014 |
Preparation of uretdione polyisocyanates
The invention relates to the use of specific pyridines as catalysts for the dimerization of isocyanates (uretdione formation) and a process for preparing polyisocyanates having a high content of...
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8128711 |
Fluoropolymer compositions and treated substrates
A polymer having at least one carbamate linkage prepared by: (i) reacting (a) at least one diisocyanate, polyisocyanate, or mixture thereof, and (b) at least one fluorinated compound selected from...
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8118968 |
Two-component bonding agent
A bonding agent system is provided that contains at least components (A) and (B), where (A) is at least one compound with at least two cyclic carbonate groups and (B) is at least one compound with...
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8088880 |
Nanoparticle-modified polyisocyanates
The present invention relates to innovative, nanoparticle-modified polyisocyanates, a process for their preparation and to their use in coating compositions and adhesives. The process comprises the...
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8076444 |
Curable compositions consisting of silanes with three hydrolysable groups
The invention relates to silane cross-linking curable compositions, comprising a polymer P with at least two terminal groups of the following formulae (I) and (II) -Am-K1—SiXYZ (I), -...
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8058382 |
Uretdione formation in solution
The invention relates to a process for preparing polyisocyanates having a high uretdione group content by phosphine-catalysed isocyanate oligomerization in the presence of organic carbonates and/or...
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8058343 |
Solvent free aqueous polyurethane dispersions and adhesive films therefrom for stretch fabrics
Novel aqueous polyurethane dispersions and adhesive films formed therefrom are provided. The aqueous polyurethane dispersions are provided in solvent-free systems of a prepolymer comprising at...
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8039574 |
Method for the preparation of low-viscosity (poly) isocyanates
A low viscosity polyisocyanate composition containing at least one isocyanate dimer having a uretidinedione unit is prepared from a reaction medium containing at least one isocyanate monomer in...
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8003744 |
Curing composition with improved heat resistance
The present invention provides a curable composition including: an organic polymer (A) which has on average 1.1 to 50 groups per one molecule thereof each represented by the general formula (1) and...
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7968669 |
Fluoropolymer compositions and treated substrates
A polymer having at least one carbamate linkage prepared by: (i) reacting (a) at least one diisocyanate, polyisocyanate, or mixture thereof, and (b) at least one fluorinated compound selected from...
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7939598 |
Polyisocyanate mixtures comprising cycloaliphatic structural elements
The present invention relates to innovative polyisocyanate mixtures comprising cycloaliphatic structural elements and containing exclusively linear-aliphatically attached free isocyanate groups, to...
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7937023 |
Method and a composition for producing an undercoat layer using dialkyl malonate blocked isocyanates (for electrophotographic applications)
A method and a composition for the production of surface smoothing polyurethane layers for application to a substrate prior to subsequent application of a charge generation layer for...
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7935422 |
Urethane polyol precursors for coating compositions
Unsymmetrical polyurethane polyol prepolymers are disclosed for use in the formation of coating compositions. The prepolymers are prepared as a reaction product of a diisocyanate with a short chain...
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7902315 |
Low viscosity allophanates containing actinically curable groups
The present invention relates to a process for preparing radiation-curing binders containing allophanate groups by reacting at temperatures of ≦130° C. A) one or more compounds containing ur...
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7888448 |
Interpenetrating polymer networks using blocked polyurethane/polyurea prepolymers for golf ball layers
The present invention is directed to a method of forming a golf ball that contains an interpenetrating polymer network, or IPN, which includes at least two polymeric systems, in one or more of the...
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7855266 |
Method for multilayer coatings with self-crosslinking graft polyurethane copolymers, self-crosslinking polyurethanes and graft copolymers thereof
The invention relates to a method for producing chromophore and/or effect giving multilayer lacquers according to the wet-on-wet method. A water base lacquer is applied which contains at least one...
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7851561 |
Interpenetrating polymer networks using blocked polyurethane/polyurea prepolymers for golf ball layers
The present invention is directed to a method of forming a golf ball that contains an interpenetrating polymer network, or IPN, which includes at least two polymeric systems, in one or more of the...
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7834123 |
Two component polyurethane adhesive
A two component polyurethane adhesive composition having one or more polyols as a first component and one or more isocyanates as a second component. The composition also comprises one or more...
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7828994 |
Conductive paint compositions for forming conductive coatings on substrates
A conductive paint composition includes a solvent, metal powder, a rheology control agent and a water-dispersible polyurethane resin therein. The water-dispersible polyurethane resin has at least...
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7820769 |
Polymer for use in conduits, medical devices and biomedical surface modification
A copolymer comprising (a) one or more pendant group segments and (b) one or more polyol segments, each of said segments being linked to one or more further segments which may be the same or...
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7767778 |
Polyurethane powder coating compositions that do not split off blocking agents and have a low stoving temperature
The present invention relates to polyurethane powder coating compositions that do not split off blocking agents and have a low stoving temperature. The powder coating compositions contain a...
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7732555 |
Urethane polyol precursors for coating compositions
Unsymmetrical polyurethane polyol prepolymers are disclosed for use in the formation of coating compositions. The prepolymers are prepared as a reaction product of a diisocyanate with a short chain...
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7714062 |
Thermal curable powder coating composition
A powder coating composition comprising (A) at least one hydroxyl functional polyurethane resin binder, and(B) at least one polyurethane resin as cross-linking agent containing blocked isocyanate...
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7709589 |
Low temperature curable polyurethane compositions containing uretdione groups
The invention relates to high-reactivity polyurethane compositions. The invention further relates to low temperature curable polyurethane compositions which contain uretdione groups, particularly...
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7700662 |
Process for preparing allophanate-containing actinically curable polyurethane prepolymers with increased resistance
The present invention relates to a process for preparing low-viscosity, allophanate-containing and NCO-free polyurethane prepolymers curable by actinic radiation, and to the products obtainable by...
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7691479 |
Universal primer compositions and methods
A composition for and method for bonding a substrate. In general, applied to a substrate will be a primer composition that includes an adhesion promoter, which is an adduct prepared by the reaction...
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7691941 |
Low-solvent or solvent-free crosslinker dispersions with pyrazole-blocked isocyanate groups
The present invention relates to the preparation of aqueous, solvent-free or low-solvent, storage-stable polyurethane crosslinker dispersions having pyrazole-blocked isocyanate groups, to coating...
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7666970 |
Radiation-curing binders and a process for their preparation
The invention relates to a process for preparing binders which contain 1) allophanate groups, 2) groups that react with ethylenically unsaturated compounds with polymerization on exposure to...
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7658974 |
Process for making urethane-containing structures and the structures made thereby
There is provided a two-pack composition for making urethane-containing structures, said composition comprising (a) a first pack comprising at least one reaction product of at least one...
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7645516 |
Cross-linkable siloxane urea copolymers
Organopolysiloxaneurea polymers with good melt viscosity but which effectively crosslink in the presence of moisture contain alkylalkoxysilane or alkylaminoalkylalkoxysilane groups pendant to the...
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7635742 |
Modified isocyanates
Modified stable polyisocyanates are described having at least one isocyanate function modified by a group having cross-linking functionality. The modified stable polyisocyanates may be prepared by...
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7582698 |
Water dispersions of non-uniform polyurethane particles
A novel method of preparing an aqueous dispersion of non-uniform polyurethane particles which comprises (a) preparing at least two isocyanate-terminated polyurethane prepolymers having different...
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7572876 |
Solid polyurethane powder coating compositions containing uretdione groups that are hardenable at low temperatures
A highly reactive polyurethane powder coating composition, which contains uretdione groups that are hardenable at low temperatures, contains A) at least one uretdione-containing powder coating...
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7553906 |
Dual cure systems
An organic polyisocyanate with at least one unsaturated functional group is capable of copolymerizing when exposed to actinic radiation. The polyisocyanate comprises structural units with the...
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7517559 |
Coatings for food containers
The present invention relates to inner coatings of metal food containers and packaging and to a process for their production. The coatings are applied to the inside of at least a portion of the...
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7393881 |
Colored radiation curable coating compositions for identifying telecommunications elements and telecommunications elements coated thereby
A telecommunication element having a durable color identifying polymeric coating thereon is disclosed. The telecommunication element comprises an elongated communication transmission medium, such...
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7371807 |
Blocked biuretized isocyanates
The present invention is directed to blocked biuret group-containing polyisocyanate compositions, wherein the blocking agent is of the formula: wherein R1, R2, R3 and R4 may be the same or...
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7354458 |
Preparations based on water and/or organic solvents and their use as a finish on flat materials
A composition based on water and/or organic solvents and their use as a finish on flat materials, comprising (1)10-90%of a hydrophobic wax based component,(2)10-90%of a hydrophobic reaction product...
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7321013 |
Method for obtaining coating compositions having reduced VOC
Disclosed is a method of making reduced VOC polymers and coating compositions containing such polymers. Provided is a mixture (I) comprising a reactant mixture (a) of polymerizable components and a...
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7307135 |
High-reactivity liquid polyurethane systems which contain uretdione groups and can be cured at a low temperature
A high-reactivity liquid polyurethane composition which contains at least one uretdione group and cures at a low baking temperature can be used for producing plastics, particularly surface coatings...
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7300997 |
High-reactivity polyurethane powder coating compositions based on epoxy-terminated polyaddition compounds containing uretdione groups
Polyurethane powder coating compositions based on epoxy-terminated polyaddition compounds having uretdione groups, which cure at low baking temperatures, a process for preparing such compositions,...
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7288213 |
Method for preparing low viscosity tricondensate polyfunctional isocyanates
A method is described for preparing a tricondensate polyfunctional isocyanate composition, preferably having at least an isocyanurate and/or biuret group, which includes adding to a tricondensate...
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7268202 |
Polyisocyanate composition having allophanate group and high-solid coating material
A polyisocyanate composition comprising an allophanate group, which is obtained from an aliphatic diisocyanate(s), wherein in a state substantially free of a solvent and the aliphatic...
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7235152 |
Storage stable, thermofusible, thermosetting adhesive paste
A storage stable adhesive paste composition is described. It contains a plurality of first solid particles comprising a surface protected polyisocyanate and a plurality of second solid particles of...
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7220814 |
Hydrophilicized blocked polyisocyanates
The present invention relates to new hydrophilicized blocked polyisocyanates, a process for preparing them and their use.
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7214736 |
Fluorochemical composition for treatment of a fibrous substrate
Fluorochemical composition for rendering fibrous substrates oil repellent, water repellent, and/or stain or soil repellent. The composition comprises a dispersion or a solution of a fluorinated...
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7176271 |
Method for the production of highly functional, highly branched polyureas
A process for preparing high-functionality, highly branched polyureas comprises the steps a) reaction of an at least bifunctional capped diisocyanate or polyisocyanate with at least one at least...
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7169861 |
Method for manufacturing sporting equipment incorporating urethane/nitroso composition
Sports equipment incorporate thermoplastic compositions including urethane and a nitroso reaction product of a nitroso compound and a diisocyanate or polyisocyanate. The invention on allows for the...
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7163995 |
Low-viscosity polyisocyante composition having high functionality and method for preparing same
The invention concerns a polyisocyanate composition having high functionality, obtained by polycondensation of diisocyanate or triisocyanate monomers, comprising: (a) 0.5 to 30 wt % of compounds...
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