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7361723 |
Low-viscosity allophanates containing actinically curable groups
A process for preparing binders containing allophanate groups which contain, at the oxygen atom of the allophanate group that is bonded via two single bonds, organic radicals with activated groups...
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7317112 |
Catalysts for selective isocyanate dimerization
A method of dimerizing isocyanates using sulphonamide anions as a dimerization catalyst for the isocyanates and also to a process for preparing oligomeric isocyanates using such catalysts.
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7202302 |
Polyisocyanurate compositions and composites
Polyisocyanurate systems, pultrusion of those systems to produce reinforced polyisocyanurate matrix composites, and to composites produced thereby. The polyisocyanurate systems include a polyol...
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7060817 |
Sulfonamide anions as catalysts for NCO oligomerization
The present invention relates to the use of sulphonamide salts as catalysts for oligomerizing isocyanates and also to a process for NCO oligomerization using the catalysts of the invention.
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7018718 |
Adhesive film for underfill and semiconductor device using the same
An adhesive film for underfill excellent in relaxation effect of the stress generated in the above semiconductor element and the wiring circuit board and in the connecting electrode parts and also...
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6911490 |
Aqueous curing agents for aqueous epoxy resin dispersions
Aqueous curing agents for epoxy resin dispersions comprising mixtures, adducts and/or salts of partly esterified organic phosphoric acids A1 or partly esterified phosphonic acids A2 with organic...
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6906110 |
Method for the production of polyurethanes
In a process for producing polyurethanes by reacting at least one polyisocyanate with at least one compound containing at least two hydrogen atoms which are reactive toward isocyanate groups, the...
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6894139 |
Catalysts, in particular for the preparation of polyisocyanate polyadducts
Catalysts contain, as structural units, at least one tertiary amino group and at least one group which, after its decomposition, is capable of complexing or protonating the tertiary amino group.
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6875243 |
Catalysts for preparing polyisocyanates containing isocyanurate groups, and their use
Catalysts and processes for preparing polyisocyanates containing isocyanurate groups, and their use, wherein the catalysts are represented by the following formula (1):
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6797837 |
Process for the preparation of stabilized polycarbonate
A process for preparing an emulsion is disclosed. The process entails mixing an aqueous mineral acid that contains phosphorous in an organic solvent, the mixing being continuous and with the degree...
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6797750 |
Flame-retardant epoxy resin composition, molded article thereof, and electronic part
The present invention has an object to provide a flame-retardant epoxy resin composition excellent in heat resistance and moisture resistance. A flame-retardant epoxy resin composition relating to...
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6720400 |
Process for the preparation of polyisocyanates with a biuret structure
The present invention relates to an improved process for the continuous preparation of polyisocyanates with a biuret structure comprising the steps of continuously reacting excess amounts of...
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6706844 |
Polyurethane products produced from aluminum phosphonate catalyzed polyetherols
A method for the production of polyurethane products using very low unsaturation polyether polyols prepared in the presence of aluminum phosphonate catalysts is disclosed. Reaction products of the...
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6652599 |
Treatment agent for elastic polyurethane fibers and elastic polyurethane fibers treated therewith
A treatment agent for elastic polyurethane fibers comprising a dispersion in which a higher fatty acid magnesium salt is colloidally dispersed in a silicone mixture consisting of a silicone oil...
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6646106 |
Optically active linear polymer used as ligand in the preparation of metallic complexes designed for asymmetric catalysis
The invention concerns optically active polymers, obtainable by polymerizing chiral diphosphine having a C2 axis of symmetry, excluding all other symmetry element, with one or several polymerizable...
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6635736 |
Compositions comprising an isocyanate-functional compound, an isocyanate-reactive compound, and a co-catalyst
The invention pertains to a new composition comprising at least one isocyanate-functional compound comprising at least two isocyanate groups, at least one isocyanate-reactive compound comprising at...
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6486266 |
Thermosetting resin composition
A modified carbodiimide resin obtainable by reacting a carbodiimide resin comprising a repeating unit represented by the general formula: —(NCN—R 1 )- wherein R 1 represents a divalent organic...
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6486243 |
Thermoplastically processable polyurethane elastomers having an improved intrinsic color
A light-colored thermoplastic molding composition comprising a polyurethane elastomer is disclosed. The polyurethane which is the reaction product of at least one polyol, at least one organic...
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6217984 |
Organometallic monomers and polymers with improved adhesion
An energy sensitive composition comprising a monomeric organometallic complex essentially free of nucleophilic groups and which, upon exposure to energy, bonds to basic reactive sites on a...
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6180713 |
One-can moisture-curing urethane compositions
A one-pack type moisture curable urethane composition comprising a urethane prepolymer and an amine catalyst, wherein 0.002 to 50 parts by weight, based upon 100 parts by weight of the urethane...
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6121406 |
Mixture of hydrophilic dicyclohexylmethanecarbodiimide
A hydrophilic dicyclohexylmethanecarbodiimide represented by the formula (1): wherein n is an integer of 1 to 10 and R 1 is a residue of a mixture of organic compounds of different...
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6107484 |
Process for preparing polyisocyanates containing iminooxadiazinedione groups
The present invention relates to a process for the production of trimerized polyisocyanates containing at least 30 mole % of iminooxadiazinedione groups (asymmetric trimers) in the trimer mixture...
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6100359 |
Ablative polyurea foam and prepolymer
The present invention relates to an ablative fire resistant hydrophilic polyurea foam made from low molecular weight polyols capped with an isocyanate, with the polyol mixture including a fire...
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6090906 |
Polycarbodiimide copolymer and process for production thereof
There are provided a polycarbodiimide copolymer having a main structure represented by the following formula (1): ##STR1## wherein R 1 is an isocyanate residue; R 2 is a polyfunctional liquid...
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6063825 |
Flexible polyurethane foam with high durability
A flexible polyurethane foam prepared by reacting polyisocyanate with polyol and/or polymer polyol containing dispersed polymer microparticles obtained by polymerizing an unsaturated compound,...
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6043332 |
Process for the production of light-colored uretdione polyisocyanates
The present invention relates to a process for the production of polyisocyanates containing uretdione groups by a) oligomerizing a portion of the isocyanate groups of diisocyanates having...
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5994432 |
Storage-stable/clear solutions of poly(imideamides)
Storage-stable/clear solutions of linear aromatic poly(imideamides), well adopted for forming high luminance films and varnishes, comprise (a) an anhydrous γ-butyrolactone solvent phase, such...
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5962561 |
Internal mold release compositions containing phosphate esters
Internal mold release compositions for molding polyurethane and polythiourethane is disclosed herein. The composition includes a mixture of: (a) a mono C 2 -C 6 alkyl phosphate; (b) a di C 2 -C...
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5919843 |
Epoxy resin moulding compounds having halogen-free flame retardation
Flame-resistantly formulated, flowable, latently reactive, phenolically curable epoxy-resin moulding compounds for the encapsulation of electronic components containing the following components: ...
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5821180 |
Laminate comprising a polyurethane layer
A laminate comprising a layer formed by melt molding a thermoplastic polyurethane and a fibrous base layer, a film or sheet melt molded from the thermoplastic polyurethane, and a thermoplastic...
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5811505 |
Energy-polymerizable compositions comprising a cyanate ester monomer or oligomer and a polyol
An energy-polymerizable composition derived from ingredients comprising: a cyanate ester monomer or oligomer comprising an organic radical bonded through aromatic carbon atoms to at least two --OCN...
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5719229 |
Process for preparing solid elastomeric polyurethanes having reduced surface skinning
This invention relates to solid elastomeric polyurethanes prepared by reacting, in an open mold at an isocyanate index of 80 to 120, (a) an isocyanate prepolymer having an isocyanate content of 3...
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5693738 |
Composition for urethane-base plastic lens, urethane-base plastic lens obtained from the composition, and process for the production of the plastic lens
A composition for a urethane-base plastic lens, comprising: (a) at least one ester compound selected from the group consisting of isocyanate compounds, isothiocyanate compounds and...
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5688890 |
Thermoplastic polyurethane composition
A thermoplastic polyurethane composition comprises a thermoplastic polyurethane and a tin compound. The tin compound is contained in an amount of 0.3 to 15 ppm as converted into tin atom based on...
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5648412 |
Blow-moldable rigid thermoplastic polyurethane resins
A rigid thermoplastic polyurethane with improved melt strength can be prepared by deactivating the catalyst for the polymer subsequent to the onset of urethane bond formation. Catalyst deactivation...
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5622999 |
Polysilicic acid/polyisocyanate basic materials, binding materials and foams and process for preparing same
The invention relates to novel polysilicic acid/polyisocyanate basic materials, binding materials and foams with improved mechanical properties as well as a higher resistance against heat and...
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5608027 |
Complex stabilizer composition to improve the melt stability and color stability of polycarbonates
A composition comprising a phosphorus containing acid and an ester of a phosphorus containing acid useful for imparting improved physical and chemical properties to polymers containing polyesters,...
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5574083 |
Aromatic polycarbodiimide crosslinkers
Disclosed are certain aromatic polycarbodiimides. Also disclosed is the use of an aromatic polycarbodiimide containing only aromatic carbodiimide groups as a cross-linker for a coating binder...
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5569727 |
Antistrospic polymers and method of producing them
The invention describes anisotropic polymers of diepoxide A having the formula (I) ##STR1## and anisotropic polymers of diisocyanate B having the formulas (II) to (VII) ##STR2## where as defined in...
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5554474 |
Conductive substrate bearing a elastomeric polyurethane coating containing a conductivity control agent
A member for electrically cooperating with a conductive support surface to attract charged toner particles from the surface towards the member is disclosed. The member comprises a conductive...
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5541280 |
Linear segmented polyurethaneurea and process for production thereof
A linear segmented polyurethaneurea having a degree of branching (Nb) of 3 or less and obtained by chain-extending a prepolymer with an organic diamine in an organic solvent comprising...
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5478897 |
Polyurethane adhesive compositions
A polyurethane adhesive composition prepared by incorporating phosphorus oxy acid or a derivative thereof, an amine compound and an epoxy resin into an organic polyisocyanate and an organic polyol....
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5476892 |
Process for conditioning and stabilizing polyols
Polyols are conditioned and stabilized by mixing them at 0 to 150° C. with from about 0.0001 to about 1% by weight, based on the quantity of polyol, of a silylated acid corresponding to the...
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5422186 |
Compositions containing mixtures of aqueous polymer dispersions and textile and leather substrates coated therewith
The present invention relates to coating compositions which are suitable for preparing matt coatings and contain A) an aqueous polymer dispersion which is capable of forming films at temperatures...
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5416184 |
High-molecular weight polycarbodiimide solution and methods for producing the same
This invention provides methods for producing a high-molecular weight polycarbodiimide solution from an organic diisocyanate in the presence of a carbodiimidation catalyst, wherein 1) a chlorinated...
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5393839 |
Curable composition containing polyepoxide and polycarbodiimide
The present invention provides a curable composition which employs the oxazolidineimine ring-forming reaction between an epoxide and a carbodiimide for curing and which cures under a mild condition...
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5391583 |
Flame-retardant poly (polyisocyanate-organic phosphorus) products
Flame-retardant poly (polyisocyanate-organic phosphorus) products are produced by mixing and reacting an organic phosphorus containing compound and a polyisocyanate compound in the presence of a...
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5373080 |
Process for producing polycarbodiimide resin
The present invention provides a process for producing a polycarbodiimide resin from an aliphatic diisocyanate and a terminal-blocking agent in the presence of a carbodiimidization catalyst,...
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5352400 |
Carbodiimides and processes therefor
Processes are provided for making polycarbodiimides with high carbodiimide contents from isocyanates, and for selectively making mixed aryl-tertiary carbodiimides from isocyanates. Also provided...
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5338794 |
Process for producing solution of high-molecular weight polycarbodiimide
A process for producing a high-molecular weight polycarbodiimide solution by subjecting isophorone diisocyanate, 4,4'-dicyclohexylmethane diisocyanate, tetramethylxylylene diisocyanate or a mixture...
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