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7622542 |
Plastic moldings from optionally filled polyurethanes and their use
The present invention relates to plastic moldings that are prepared from optionally filled polyurethanes. The plastic molding of the present invention exhibit high tenacity, flexural strength and...
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7622541 |
Polyurethane coating
A polyurethane coating made by: applying to a surface a polyol composition and an isocyanate composition, such that a mixture of the polyol composition and the isocyanate composition is formed...
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7615604 |
Diols formed by ring-opening of epoxies
A polyol monomer comprising the formula:
R 1 and R 3 are —H, aliphatic, aromatic, or ether; R 2 is aliphatic, aromatic, ester, ether, or acrylic, and R 1 contains a hydroxyl group, R 3 ...
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7601779 |
Polymer compound and recording medium
A polymer compound comprises a unit composed of a sulfur-containing compound (A) having at least two active hydrogen groups, a unit composed of a compound (B) having at least two isocyanate groups...
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7598336 |
Two-part curing high-durable polyurethane elastomer composition
A two-part curing high-durable polyurethane elastomer composition having excellent heat resistance and wet heat resistance, and excellent workability such that a viscosity after two-part mixing is...
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7511111 |
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 about3,000 Daltons is made up of (1) at least 55% by weight of a low monol polyoxypropylene polyol having a...
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7473754 |
Optical resin composition
The present invention is directed to a novel polymerizable organic composition comprising one or more radically polymerizable monomers with at least one radically polymerizable monomer having at...
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7390867 |
Isocyanate adducts
The invention relates to isocyanate adducts which can be prepared by reacting at least one polyisocyanate with compounds having at least two hydrogen atoms which are reactive toward isocyanate...
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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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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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7268203 |
Polymer dispersant having hyperbranched structures
Polyurethanes having hyperbranched structures, selected from hyperbranched polyurethanes containing at least one pigment affinity group and modified hyperbranched polyurethanes, are used as...
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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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7226523 |
Polyurethane adhesive for windshield applications
A polyurethane adhesive which is useful in bonding porous and non-porous surfaces is provided. The adhesive is especially useful in bonding windshield glass into automotive frames under a variety...
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7211621 |
Polyurethaneurea resins with trialkoxysilane groups and processes for the production thereof
Polyurethaneurea resins containing at least one group of the formula (I)
—NH(CO)XOR 1 O(CO)CHR 2 CH 2 N[C n H 2n Si(OR 3 ) 3 ](CO)NH—...
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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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7169844 |
Resin with function of oxidation inhibition and emulsion thereof
An emulsion of resin having a function of oxidation inhibition obtained by subjecting an antioxidant (A) having two or more alcoholic hydroxy groups, a polyol compounds (B) as an optical...
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7160976 |
Polyurethane PSA
Pressure-sensitive adhesive based on polyurethane, characterized in that the polyurethane is composed of the following starting materials which are reacted with one another in the stated...
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7067607 |
Polyurethane resin derived from hydrophilic polyol components
A polyurethane resin which is the reaction product of at least one diisocyanate and a group of components having isocyanate reactive functional groups. The group of components includes a first...
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7045573 |
Polyurethane dispersion (PUD) with improved isopropanol resistance, flexibility and softness
Isocyanate-functional polyurethane prepolymers and aqueous dispersions therefrom which are useful for the production of flat materials having excellent resistance to alcoholic solvents are...
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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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7015300 |
Multilayered golf ball and composition
A multilayer golf ball formed of a core, a cover layer and an optional intermediate layer disposed between the core and cover, wherein at least one layer includes a composition including a...
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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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6989406 |
Polyurea polyrethanes having improved physical properties
A process for preparing oil and petroleum-resistant cellular to solid (polyurea)polyurethanes (PURS) with improved physical properties in which a polyether polyol component having a number average...
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6924321 |
Polyols with autocatalytic characteristics and polyurethane products made therefrom
The present invention discloses a process for producing a polyurethane product with autocatalytic polyols. These autocatalytic polyols are based on an initiator that contains a tertiary amine....
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6884904 |
MDI-based polyurethane prepolymer with low monomeric MDI content
An MDI/polypropylene polyether prepolymer composition consisting essentially of at least 80 wt % perfect prepolymers and less than 2 wt % free MDI monomer suitable for use in polyurethane adhesive...
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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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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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6855765 |
Heat and hot water resistant polyurethane sealant
A two-component polyurethane sealant composition is described. The polyurethane sealant of the invention exhibits improved resistance to degradation by heat and hot water. The composition of the...
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6838516 |
Water dispersible polyisocyanate composition and its uses
The present invention relates to a water dispersible polyisocyanate composition comprising
(a) an aliphatic polyisocyanate or a mixture of aliphatic polyisocyanates or a mixture of aliphatic...
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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...
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6815467 |
Methods for producing a polyol and a polymer dispersed polyol
A method for producing a polyoxyalkylene polyol which comprises subjecting propylene oxide and ethylene oxide to ring-opening addition polymerization with an initiator in the presence of a...
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6806342 |
Process for preparing a polyurethane material
Process for preparing a polyurethane material having no glass transition temperature below 25 C, which process involves using a polyoxyethylene polyoxypropylene polyol having a high oxyethylene...
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6800715 |
Lightweight tire support and composition and method for making a tire support
A polyurethane-polymer composition suitable for preparing a lightweight tire support includes at least one isocyanate, at least one polyol, and at least one chain extender. A polyurethane-polymer...
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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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6787628 |
Polyether/polyurethane association thickeners
A polymer comprising the addition reaction product of a polyisocyanate having a functionality of from 2 to 10 and a succinylpolyether having a C 6-30 -alk(en)yl group and at least one group which...
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6784274 |
Hydrophilic, swellable coatings for biosensors
Methods for reducing the electrode impedance of implantable biosensors by coating the surface of the biosensor with a uniform hydrogel which allows unimpeded water movement around the sensor are...
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6770729 |
Polymer compositions containing bioactive agents and methods for their use
Embodiments of the invention provide polymer coated implantable medical devices having a bioactive material posited in or on at least a portion of the coating layer, wherein the coating layer...
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6770730 |
Compact veneer based on polyisocyanate polyaddition products
A compact veneer is based on a reaction mixture comprising a) isocyanate, b) as compounds which are reactive toward isocyanates, a mixture (b1) comprising: b11) from 15 to 90% by weight,...
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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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6750311 |
Detection of biological molecules using boronate-based chemical amplification and optical sensors
Methods are provided for the determination of the concentration of biological levels of polyhydroxylated compounds, particularly glucose. The methods utilize an amplification system that is an...
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6723836 |
Low odor polyoxyalkylene polyol, process for producing the same and urethane composition
To provide low odor polyoxyalkylene polyol, a process for producing the same, and a low odor urethane prepolymer and a low odor urethane composition using the same as a raw material. The low odor...
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6720401 |
Coating composition
1. A coating composition to form a coating layer or film of a hydrophilic polyurethane resin having a moisture permeability and being substantially non-porous, which comprises, as an essential...
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6709539 |
One-part moisture curable polyurethane adhesive
The present invention is a polyurethane prepolymer comprising the reaction product of: A) a polyisocyanate; B) one or more compounds or polymers having isocyanate-reactive moieties. C) a...
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6646093 |
Water-soluble polyurethane having comb-shaped hydrophobic group and application thereof
Water-soluble polyurethane according to the present invention is obtained from polyalkylene glycols, diisocyanates, and comb-shaped hydrophobic diols represented by the following general formula...
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6610811 |
Polyurethanes with improved tear propagation resistance
Polyurethanes having improved tear resistance which are the reaction product of the following components: A) a polyol component containing dimer diol and/or trimer triol and/or an OH-terminated...
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6590057 |
Polyurethane elastomers, process for their production and use thereof
The invention provides polyurethane elastomers (PU elastomers), a process for their production using special catalyst mixtures and their use in particular for the manufacture of shoe soles.
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6576736 |
Compounds and compositions useful as surfactants and methods for their preparation
Products of the reaction between I) the reaction product of reactants comprising A) a linking agent of formula I R 4 (Y) 3 (I) wherein each Y group is a halogen atom or one Y group is a halogen...
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6569981 |
Crystallizing polyether polyols, a method for producing them and use of the same
This invention relates to crystallizing polyether polyols which can be produced firstly by the reaction of propylene oxide and polyhydroxy compounds in the presence of an alkoxy compound which...
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6548616 |
Lightweight tire support and composition and method for making a tire support
A polyurethane-polymer composition suitable for preparing a lightweight tire support includes at least one isocyanate, at least one polyol, and at least one chain extender. A polyurethane-polymer...
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