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7632911 |
Liquid modified diphenylmethane diisocyanates
This invention relates to novel liquid, storage-stable diisocyanates and to a process for the preparation of these liquid, storage-stable diisocyanates. These comprise diphenylmethane diisocyanate...
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7553963 |
Liquid partially trimerized and allophanized polyisocyanates based on toluene diisocyanate and diphenylmethane diisocyanate
This invention relates to storage-stable, liquid, partially trimerized and allophanized polyisocyanates having an NCO group content of 15 to 41% by weight, and comprising 5 to 85% by weight of...
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7439299 |
Aqueous polyurethane composition for low gloss coatings
An aqueous coating composition having a 60° gloss of ≦40 upon drying comprising a self-crosslinkable polyurethane obtained by the reaction of:
(A) an isocyanate-terminated pre-polymer...
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7419564 |
Binding agents having barrier properties
Binding agents having barrier properties are provided which contain: a) a compound having at least one NCO group and at least one reactive functional group, which can be cured by radiation and...
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7375150 |
Anti-static composition and method for production thereof
An antistatic composition that is excellent in thermo stability, is free from the problem of bleeding-out, exhibits its effect independently of humidity, has immediate effectiveness, and also...
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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...
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7329717 |
Polyisocyanate-modified polycarboxylic acids
A process for preparing polyisocyanate-modified polycarboxylic acids by conversion of anhydride-group-free polycarboxylic acids with isocyanate-functional compounds. The process includes reacting...
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7309753 |
Process for the preparation of moisture-curable, polyether urethanes with terminal cyclic urea reactive silane groups
A process for preparing a moisture-curable, polyether urethane containing terminal cyclic urea/reactive silane groups by reacting at an NCO:OH equivalent ratio of 1.5:1 to 2.5:1
a) a hydroxyl...
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7307136 |
Polyurethane elastomers
A polyisocyanate-based elastomer having a ratio of the storage modulus (E′) at 20° C. and the storage modulus (E′) at 120° C. of between 0.75 and 1.5, a tan δ at 100° C. of less than 0.1...
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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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7253244 |
Fast setting 1k-polyurethane glue
A one-pack polyurethane adhesive containing a polyisocyanate prepolymer and at least one aminoether polyol, having a molar ratio of ether groups to amino nitrogen in the aminopolyether polyol of 7...
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7247695 |
High 1,4-cis polybutadiene-polyurethane copolymer and preparation method thereof
Disclosed is a novel high 1,4-cis polybutadiene-polyurethane copolymer and a preparation method thereof. The present invention provides a high 1,4-cis polybutadiene-polyurethane copolymer...
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7244384 |
Method for manufacturing two and three piece golf balls constructed from polyurethane material
A novel method of manufacturing a golf ball. A golf ball made with this invention exhibits the characteristic feel and playability of a balata cover with superior durability characteristics (cut...
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7223181 |
Polyurethane material for two and three piece golf balls and method
A novel composition useful for golf ball covers that comprises a blend of a dilsocyanate/polyol polyurethane prepolymer with a curing agent comprising a blend of slow-reacting diamine with a...
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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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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...
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7193011 |
Method of preparing water-dispersible poly (urethane-urea) having aromatic-aliphatic isocyanate
The present invention relates to a method of preparing water-dispersible poly (urethane-urea) having aliphatic-aromatic isocyanate, more particularly to a method of preparing water-dispersible poly...
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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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7157536 |
Coating composition for ambient cure containing an alkoxylated amine
A composition that can be used as a component in auto clear coat and primer is disclosed. The composition comprises or is an alkoxylated amine having the formula of (A)[N(R 1 H) 2 ] p including an...
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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...
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7129313 |
Process for the solvent-free, continuous preparation of polyureas
The invention relates to a process for the solvent-free, continuous preparation of polyureas by reacting at least one isocyanate and/or isocyanurate having at least two NCO groups with at least one...
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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...
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7122244 |
Polyamide-imide resin solution and the use thereof for producing wire enamels
The present invention relates to a polyamideimide resin solution preparable by reacting (a) aromatic polycarboxylic acids and/or their anhydrides with (b) aromatic imide- and amide-forming...
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7067566 |
TRIAZINE RING BASED POLYMERS FOR PHOTOINDUCED LIQUID CRYSTAL ALIGNMENT, LIQUID CRYSTAL ALIGNMENT LAYER CONTAINING THE SAME, LIQUID CRYSTAL ELEMENT USING THE ALIGNMENT LAYER AND METHOD OF MANUFACTURING THE SAME
Triazine ring based polymers for photoinduced liquid crystal alignment introduces photoactive groups for inducing, reinforcing, improving and preserving liquid crystal alignment, for example...
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7064165 |
Coating materials which can be cured thermally and by means of acting radiation, use and method for the production thereof
Coating materials curable thermally and with actinic radiation, comprising
(A) at least one binder containing isocyanate-reactive functional groups and (B) a crosslinking component comprising
...
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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...
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7041711 |
Polymerizable composition and compound therefor
To provide a polymerizable composition suitable for a lithographic printing plate precursor which can satisfy the requirements of high sensitivity, excellent storage stability and long press life...
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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...
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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...
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7015299 |
Melt spun thermoplastic polyurethanes useful as textile fibers
Melt spun thermoplastic polyurethane polymers useful as textile fibers and having good tenacity and recovery and substantially no gelation are disclosed. The polymers are prepared by a three-step...
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7005477 |
Moisture-curing polyurethane material having a long gel time
A one component moisture-curing polyurethane adhesive composition having a long pot life that does not cause its user to experience breathing difficulty is described. In one embodiment the adhesive...
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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...
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6964626 |
High temperature polyurethane/urea elastomers
The present invention relates to molded polyurethane/urea elastomers, and specifically to improved polyurethane/urea elastomers having high temperature stability to about 140–150° C. and low...
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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...
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6916896 |
High productivity spandex fiber process and product
Commercially acceptable spandex can be prepared with greater efficiency, improved consistency and at lower costs from a high-solids content polyurethaneurea polymer solution. The polyurethaneurea...
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6914117 |
Elastomeric polyurethane material
Process for preparing an elastomeric polyurethane material by reacting a polyisocyanate, a polyol and a monool.
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6914102 |
Thermoreactive hot-melt adhesives
A thermally curable hot-melt adhesive composition, comprising
a polyurethane prepolymer having isocyanate groups, wherein at least 50% of the reactive isocyanate groups of the prepolymer are...
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6887401 |
Method for making transparent polythiourethane substrates in particular optical substrates
A method of fast curing polythiourethane transparent casted substrate, usable for making optical articles such as ophthalmic lenses, which comprises the steps of:
1) Providing a first...
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6884824 |
Process for preparing an elastomer
Process for preparing a polyurethane elastomer having an apparent overall density of more than 150 kg/m 3 comprising reacting a polyisocyanate and an isocyanate-reactive composition, optionally in...
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6875837 |
Coated golf ball
The present invention provides a coated golf ball having good appearance, excellent durability after repeated hitting, excellent abrasion resistance after washing by brushing and excellent stain...
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6858699 |
Polyurethane elastomers and processes for their preparation and use
Polyurethane elastomers having a defined node density are produced from specific polyetherester polyols. These elastomers are particularly useful for the production of microcellular and solid...
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6806340 |
Polyurethane coatings, based on polyisocyanates containing uretdione and/or oxadiazinetrione groups
Polyurethane coatings which are the reaction product of A) an aliphatic, isocyanate-containing prepolymer having an isocyanate content of 1-8 wt. % and a free monomeric diisocyanate content of less...
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6797798 |
Spray polyurea coating systems
Spray polyurea elastomers and reaction systems and methods for making the same. The spray polyurea elastomers are prepared with a prepolymer formed by reacting a low 2,4′-isomer content MDI with...
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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...
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6780957 |
Hydrophobic light stable polyurethane elastomer with improved mechanical properties
A hydrophobic polyurethane elastomer is disclosed comprising an isocyanate terminated prepolymer having an isocyanate content ranging from 4 to 12 wt. % NCO comprising the reaction product of: i)...
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6774173 |
Clear paint compositions for motorcars
This invention provides a clear paint composition for motorcars which contains 10-80% by weight of polyester resin containing units derived from alicyclic polybasic acid and/or alicyclic polyhydric...
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6767959 |
Adhesives with good mechanical properties, suitable for use with antennas
A filler containing adhesive is described that also in the presence of large amounts of conductive fillers such as low or non-oxidized carbon black shows good antenna impedance. Said adhesive is...
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6765080 |
High performance RIM elastomers and a process for their production
This invention relates to high performance RIM (reaction injection molded) poly(urethane)urea elastomers, and to a process for their production. These elastomers comprise the reaction product of an...
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6756468 |
Compositions for coatings based on (per) fluoropolyethers
Cmpositions for coatings having a dry content higher than 80%, preferably of about 85-90% by weight, based on polyisocyanates and PFPEs, completely crosslinkable also in a range of temperatures...
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6740710 |
Composition and method for waterproofing explosive materials
The present invention provides a method and composition for waterproofing explosive materials. The method includes providing a waterproofing composition and subsequently coating an explosive...
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