|
Match
|
Document |
Document Title |
|
|
7339020 |
High-functionality polyisocyanates
High-functionality polyisocyanates are prepared by a process which comprises
(i) preparation of an addition product (A) which contains one group which is reactive toward isocyanate and at...
|
|
|
7323532 |
Low-viscosity radiation-curing and thermally curing polyisocyanates
The present invention concerns a process for producing low-viscosity polyisocyanates or secondary products thereof, which carry activated, radiation-curable double bonds and can optionally also...
|
|
|
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...
|
|
|
7262231 |
Photosensitive amine generator, photocurable composition and photoreactive adhesive composition
The invention provides compounds which can generate amine by irradiation with light and are excellent both in photodecomposability and in reactivity and compatibility with amine-curable compounds,...
|
|
|
7220814 |
Hydrophilicized blocked polyisocyanates
The present invention relates to new hydrophilicized blocked polyisocyanates, a process for preparing them and their use.
|
|
|
7214329 |
Storage stable aqueous organic peroxide emulsions
The invention relates to an aqueous organic peroxide emulsion comprising an anti-freeze agent, a protective colloid, and a plasticiser wherein the plasticizer is an ester having a ratio of the...
|
|
|
7199207 |
Neutral-coloured 1K polyurethane adhesive
A polyurethane prepolymer obtainable by reacting at least one aromatic polyisocyanate having symmetrical substitution of NCO groups and at least one aromatic polyisocyanate having asymmetric...
|
|
|
7135504 |
Ink composition for ultraviolet curable ink-jet recording
An ink composition for ultraviolet curable ink-jet recording including carbon black, a photopolymerizable compound and a photopolymerization initiator, comprising at least one selected from the...
|
|
|
7135128 |
Polyurethane compositions with a low content of diisocyanate monomer(s)
At least one isocyanate-reactive monomer is reacted with an excess of molten monomeric diisocynate to produce at least one reaction product and a maximum of 0.5 wt % of free isocyanate groups. The...
|
|
|
7129312 |
Adhesion promoters for monomer-free reactive polyurethanes
Polyurethane compositions are produced in a two-stage method. In a first step, a diol component with a molecular weight of less than 2000 is reacted with a monomeric diisocyanate with a molecular...
|
|
|
7074852 |
Blocked polyisocyanates
Blocked polyisocyanates and one-component stoving systems containing these blocked polyisocyanates, and the preparation thereof and their use for the preparation of lacquers, paints, adhesives and...
|
|
|
7060778 |
Ytterbium(III) acetylacetonate as a catalyst for the preparation of aliphatic oligocarbonate polyols
Ytterbium(III) acetylacetonate is used as a catalyst for the preparation of aliphatic oligocarbonate polyols by transesterification of at least one organic carbonate with at least one aliphatic...
|
|
|
7045650 |
Polyurethane elastomers having improved physical properties and a process for the production thereof
A polyol composition having a number average molecular weight of from about 1,000 to about 3,000 Daltons is made up of (1) at least 60% by weight of a low monol polyoxypropylene polyol having a...
|
|
|
7038003 |
Polyether allophanates stable towards discolouration
A process for preparing polyisocyanate prepolymers containing allophanate structural units that includes reacting
a) one or more polyisocyanates with b) one or more polyetherpolyols...
|
|
|
7033522 |
Pulverulent, water-dispersible, blocked polyisocyanate adducts, a process for the preparation and their use
A blocked polyisocyanate adduct including 5 to 95% by weight of at least one isocyanate component having at least one NCO group, the isocyanate component selected from the group consisting of...
|
|
|
6992164 |
One-part polyurethane resin composition, method of preparing the same, and method of preparing a paint composition having the same
In a uniformly copolymerized one-part polyurethane resin composition with improved processing behaviors and chemical resistance, the one-part polyurethane resin composition comprises about 20 to...
|
|
|
6991746 |
Polymeric allophanates of diphenylmethane diisocyanate, perpolymers of these polymeric allophanates, and processes for the preparation of the polymeric allophanates and the prepolymers thereof
The present invention relates to a new high functionality MDI. In particular, this invention relates to polymeric allophanates based on diphenylmethane diisocyanate having an NCO group content of...
|
|
|
6987158 |
Polyadducts containing uretidone groups
Polyaddition compounds containing uretdione groups prepared by reacting uretdione polyisocyanates formed from diisocyanates having exclusively secondary- and/or tertiary-attached isocyanate groups...
|
|
|
6930196 |
Polyurethane hydrogel contact lens
A prepolymer is prepared by reacting a mixture containing (a) at least one multifunctional compound, (b) at least one diisocyanate, and (c) at least one diol. The diol has a weight average...
|
|
|
6916897 |
POLYADDITION PRODUCTS CONTAINING HYDROXYL AND URETDIONE GROUPS, PROCESS FOR THEIR PREPARATION, THEIR USE FOR THE PRODUCTION OF HIGHLY REACTIVE POLYURETHANE POWDER COATINGS WHICH ARE FREE FROM ELIMINATION PRODUCTS, AND THE POLYURETHANE POWDER COATINGS PRODUCED ACCORDINGLY
Polyaddition products containing hydroxyl and uretdione groups, a process for their preparation, their use for the production of highly reactive polyurethane (PUR) powder coatings which are free...
|
|
|
6903167 |
Polyurethane prepolymers comprising NCO groups and a low content of monomeric polyisocyanate
Polyurethane prepolymers containing NCO (isocyanate) groups and having a low content of monomeric polyisocyanate, processes for their production and uses employing these prepolymers. The...
|
|
|
6894138 |
Blocked polyisocyanate
The present invention is directed to a blocked polyisocyanate based on nonane triisocyanate. More particularly, the invention is directed to a blocked polyisocyanate useful in solvent borne coating...
|
|
|
6887399 |
Polymeric allophanates of diphenylmethane diisocyanate, prepolymers of these polymeric allophanates, and processes for the preparation of the polymeric allophanates and the prepolymers thereof
The present invention relates to a new high functionality MDI. In particular, this invention relates to polymeric allophanates based on diphenylmethane diisocyanate having an NCO group content of...
|
|
|
6878794 |
Urethane resins
Amine-terminated urethane oligomer compositions are described that include very high oligomer concentrations. The compositions are melts of the amine-terminated oligomers. The compositions can...
|
|
|
6852823 |
Polyurethane and polyurethane-urea elastomers from polytrimethylene ether glycol
Polyurethanes or polyurethane-ureas prepared from: (a) polytrimethylene ether glycol having a number average molecular weight in the range of about 1,000 to about 4,000 and unsaturated end groups...
|
|
|
6830705 |
Liquid stable MDI prepolymers and liquid stable curative systems suitable for room temperature casting which yield high performance urethane elastomers
The invention relates to liquid stable MDI prepolymers and curative systems which are suitable for room temperature casting and which yield high performance low-shrinkage urethane elastomers upon...
|
|
|
6825376 |
NCO prepolymers prepared from isophorone diisocyanate and having a low monomer content
The present invention relates to solvent-free, NCO prepolymers having a residual IPDI monomer content of less than 2.0 wt. %, an NCO content of 2.0 to 5.0 wt. % and a viscosity of 5000 to 20,000...
|
|
|
6809171 |
Monomer-poor polyurethane bonding agent having an improved lubricant adhesion
An isocyanate bonding agent which has a low content of highly volitile residual monomers which forms little migrate and has improved lubricant adhesion is provided. The bonding agent comprises...
|
|
|
6803394 |
Radiation curable nail coatings and artificial nail tips and methods of using same
A composition for actinic radiation curable nail coatings and artificial nail tips comprising a BISGMA based urethane resin, an additional polymer, a photoinitiator, and having a viscosity of...
|
|
|
6797799 |
High 2,4′-diphenylmethane diisocyanate content prepolymers
The present invention provides NCO prepolymers comprising the reaction product of (1) an allophanate-modified diphenylmethane diisocyanate having an NCO group content of 12 to 32.5% by weight and...
|
|
|
6777523 |
Highly functional polyisocyanate mixtures which are dispersible in water
The invention relates to polyether-modified, water-dispersible polyisocyanate mixtures, a process for their production and their use as initial component in the production of polyurethane plastics.
|
|
|
6767958 |
Modified polyisocyanates
The present invention relates to a modified polyisocyanate which is the reaction product of a polyisocyanate with 2-(cyclohexylamino)-ethanesulfonic acid and/or 3-(cyclohexylamino)-propanesulfonic...
|
|
|
6756467 |
Curable compositions
A resin system including a water curable isocyanate functionalized prepolymer, a first catalyst chemically bound-in to the prepolymer, and a second catalyst soluble in water and insoluble in the...
|
|
|
6750265 |
Prepolymer compostion for insulating foams
A prepolymer composition for producing polyurethane insulating foams with fire-retardant properties from pressure tanks which consists of a prepolymer component with at least one PU prepolymer with...
|
|
|
6727341 |
Stable and high solids aqueous dispersions of blocked polyisocyanates
A stable and high-solids aqueous dispersion of blocked isocyanates, containing auxiliary solvent, is prepared by (1) preparing a solution of a polyisocyanate mixture of from 20-70% by weight of a...
|
|
|
6649084 |
Polyisocyanate curing agent for laminate adhesive, and laminate adhesive using the same
A polyisocyanate curing agent comprising an isocyanate group-terminated prepolymer and a silane coupling agent represented by formula (2), OCN—(CH2)x—Si(OR′)3 (2) wherein R is an alkyl...
|
|
|
6632378 |
Nitrate ester plasticized energetic compositions, method of making and rocket motor assemblies containing the same
A nitrate ester plasticized energetic composition in which the binder is made of, prior to curing, lower alkylene glycol prepolymer blocks end-capped with ethylene glycol monomers and/or oligomers....
|
|
|
6599958 |
Radiation curable nail coatings
Light cured nail coatings that are applied to natural nails and/or artificial nail-tips for cosmetic purposes. An optional bond-enhancing compound can be used to strengthen the bond between the...
|
|
|
6586552 |
Aminoazole-blocked isocyanate components
Aminoazole-blocked isocyanate components can be used as self crosslinking binders in heat-curable compositions.
|
|
|
6538096 |
Storage-stable polyisocyanates
Mixtures comprise a) polyisocyanates (polyisocyanates A), comprising structural units selected from the isocyanurate and biuret group, derived from aliphatic or cycloaliphatic diisocyanates...
|
|
|
6528609 |
Allophanates of polymeric MDI
This invention relates to a process for forming an allophanate-modified polymethylene poly(phenylisocyanate) comprising the steps of reacting a small amount of epoxide, along with alcohol, to...
|
|
|
6525162 |
Polyols, polyurethane systems and polyurethane reactive hot melt adhesives produced therefrom
A new polyol family for the manufacture of novel polyurethane systems, preferably of polyurethane reactive hot melt adhesives is disclosed. The polyol(s) are reactive modifiers that enhance the...
|
|
|
6515164 |
Low monomer polyurethane prepolymer and process therefore
A low-monomer PU prepolymer containing free NCO groups which is obtained from polyhydric alcohols and diisocyanates differing in their reactivity and which is distinguished by the ratio of the NCO...
|
|
|
6515125 |
Liquid partially trimerized polyisocyanates based on toluene diisocyanate and diphenylmethane diisocyanate
This invention relates to storage-stable, liquid, partially trimerized polyisocyanates having an NCO group content of 24 to 40% by weight, and comprising 20 to 88% by weight of toluene diisocyanate...
|
|
|
6509433 |
Fluorine-containing blocked isocyanates
The present invention relates to blocked fluorine-containing polyisocyanates which have a fluorine content, calculated as F=19, of 1.0 to 20.0 wt. %, preferably 4.0 to 10.0 wt. %, and are suitable...
|
|
|
6495652 |
Prepolymers containing isocyanate groups and a method for the production thereof
Prepolymers which contain isocyanate groups, have an NCO content of at least 30.0% by weight and can be prepared by reacting an isocyanate mixture consisting predominantly of diphenylmethane...
|
|
|
6482913 |
Liquid MDI adducts wtih improved freeze stability
This invention relates to liquid polyisocyanate compositions having improved freeze stability. These liquid polyisocyanate compositions have an NCO group content of 15 to 30%, and comprise (A) an...
|
|
|
6469121 |
Process for the production of allophanate modified isocyanates
A method for the preparation of a storage stable organic polyisocyanate having allophanate linkages prepared by reacting a urethane containing organic polyisocyanate with a reactive hydroxyl...
|
|
|
6444777 |
PROCESS FOR PRODUCING COMPACT OR CELLULAR POLYURETHANE ELASTOMERS BASED ON 3,3′ DIMETHYL DIPHENYL 4,4′ DIISOCYANATE-CONTAINING POLYISOCYANATE MIXTURES AND ISOCYANATE PREPOLYMERS SUITABLE THEREFOR
Compact and preferably cellular polyurethane elastomers based on polyisocyanate mixtures containing 3,3′-dimethylbiphenyl 4,4′-diisocyanate are produced by reacting a) relatively high...
|
|
|
6437078 |
Aliphatic polyurea prepolymers, compositions and methods
An aliphatic polyurea prepolymer prepared by the catalyst-free, exothermic reaction of a caprolactone monomer, an aliphatic primary polyamine, and an aliphatic monomer-free polyisocyanate, such as...
|