Abstract: This invention relates to freeze-stable aromatic diisocyanates, an to processes for the preparation of these freeze-stable aromatic diisocyanates. The preferred aromatic diisocyanate is preferably diphenylmethane diisocyanate. These freeze-stable aromatic diisocyanates comprise a blend of an aromatic diisocyanate, with 2,2,4-trimethyl-1,3-pentanediol diisobutyrate, and have an NCO group content of from about 6% to about 29% by weight. Suitable aromatic diisocyanates contain one or more of the following modifying groups: allophanate groups, carbodiimide groups, uretonimine groups, biuret groups, dimer groups, isocyanurate groups, urea groups and/or urethane groups. Prepolymers of these modified aromatic diisocyanates are also suitable for the present invention.

Abstract: Disclosed is a polythiourethane having a high refractive index and low dispersion which is obtained through a reaction between a polythiol component containing one or more polythiocarbonate polythiol (preferably one having a —(CO—S—R—S)— structure (wherein R represents a divalent hydrocarbon group) and a number average molecular weight of 200-2,500) and a polyisocyanate component containing a polyisocyanate and/or a polyisothiocyanate. This polythiourethane is useful for plastic lenses, prisms, optical fibers, substrates for information recording, colored filters, infrared absorbing filters and the like.

Abstract: Disclosed is a phase change ink comprising a colorant, an initiator, and a phase change ink carrier, said carrier comprising (A) a urethane which is the reaction product of a mixture comprising (1) an isocyanate; and (2) an alcohol selected from the group consisting of 1,4 butanediol vinyl ether, 2-allyloxy ethanol, 1,4-cyclohexanedimethanol vinyl ether, ethylene glycol vinyl ether, di(ethylene glycol) vinyl ether, and mixtures thereof; (B) a compound which is the reaction product of a mixture comprising (1) an isocyanate; and (2) a component comprising (a) an amine having at least one ethylenic unsaturation; (b) an acid having at least one ethylenic unsaturation; (c) a mixture of an amine having at least one ethylenic unsaturation and an alcohol having at least one ethylenic unsaturation; (d) a mixture of an acid having at least one ethylenic unsaturation and an alcohol having at least one ethylenic unsaturation; or (e) mixtures thereof; or (C) a mixture of (A) and (B); said ink being curable upon exposure t

Abstract: Provided is a cyanate ester polymer having excellent flame retardance, low dielectric constant, low dielectric loss tangent and high heat resistance. Specifically provided is a cyanate ester polymer obtained by polymerizing a cyanate ester compound represented by the following general formula (1). (1) In the formula, X represents OCN or OH, and 10-100% by mol of X is composed of OCN.

Abstract: A curable composition and method for producing a tear resistant, yet soft and deformable in-the-ear product yielding the user greater comfort and durability. The curable composition incorporated into a hearing aid apparatus provides a deformable, yet tear resistant housing, which may be mated to a soft tip component. The hearing aid housing provides better comfort, durability and acoustic performance for a variety of ear canal shapes. The curable composition that provides these properties includes at least one urethane acrylate oligomer, at least one reactive diluent and a cure system. The composition when cured desirably produces a tear strength of at least about 75 pli and a hardness of about Shore A 60 to about 75.

Abstract: A process is provided for making a moisture-curable silylated resin composition by reacting (i) at least one polyol, (ii) at least one polyisocyanate and (iii) at least one isocyanatosilane, optionally in the presence of catalyst, wherein the NCO/OH ratio is less than 1. The resulting moisture-curable silylated resin composition is useful in the manufacturer of each product as moisture-curable sealants, coatings and adhesives.

Abstract: The present invention provides a polyurethane or polyurethane/urea composition which has a tensile strength greater than 10 MPa, a modulus of elasticity greater than 400 MPa and an elongation at break greater than 30% at a temperature of between 0° C. and 60° C. and at a relative humidity of between 0% and 100%. The invention further provides uses of the compositions of the invention in biomedical vascular stents, an orthopaedic implant, a drug delivery coating or in tissue engineering.

Abstract: There is provided a shoe bottom repair agent consisting of one-component thermosetting composition comprising as main ingredients a terminal isocyanate having urethane prepolymer and/or a polyisocyanate compound and a latent curing agent. This shoe bottom repair agent is free from, experienced in use of solvent base shoe bottom repair agents, safety and sanitation problems such as odor and inflammation by solvent evaporated at the time of curing as well as cured matter thickness reduction of a mended part caused by solvent evaporation. With use of this shoe bottom repair agent, damaged shoe bottom portion can be mended to a desired shape through one-time repair work. Short-time curing can be effected by heating. Further, before heating, there is substantially no viscosity increase and no surface film is formed to avoid adhesion of a film resulting from surface drying to a spatula. Therefore, the repair surface can be finished smoothly and neatly.

Abstract: Condensation-crosslinking two-component dental molding materials based on polyethers, which are particularly suitable for taking impressions, as well as mixtures that can be obtained from them, and their use. Such materials are used in dental medicine, for example for taking tooth impressions, for bite registration, or for lining dental prostheses. The material contains the following: at least one alkoxysilyl-functional polyether a), at least one reinforcing filler b1) having a BET surface of at least 50 m2/g or at least one non-reinforcing filler b2) having a BET surface of less than 50 m2/g, water c), if applicable, at least one condensation catalyst d), and a hydroxylsilyl-functional polyether e).

Abstract: The present invention relates to moisture-reactive adhesive compositions which comprise a specific dialdimine of the formula (I) and also a polyurethane polymer P1 which is liquid at room temperature and contains isocyanate groups. These compositions are notable for a very low temperature dependency of the shear modulus, i.e. after 7 days' storage at room temperature and 50% relative humidity they feature a ratio of the shear modulus measured at ?20° C. to the shear modulus measured at 23° C. of less than 1.7. These adhesive compositions are suitable more particularly as glazing adhesives for means of transport.

Abstract: Condensation-crosslinking two-component dental molding materials based on polyethers are particularly suitable for taking impressions. Such materials are used in dental medicine, for example for taking tooth impressions, for bite registration, or for lining dental prostheses. The molding material is made of the following: a) at least one hydroxylsilyl-functional polyether; b) at least one alkoxysilane b1) or one polysilicic acid ester b2); c) at least one reinforcing filler c1) having a BET surface of at least 50 m2/g or at least one non-reinforcing filler c2) having a BET surface of less than 50 m2/g, d) water, if necessary; and e) at least one condensation catalyst.

Abstract: A biodegradable shower mat has been disclosed.

Abstract: Functionalized polymers and methods of functionalizing polymers with reactive species having decontaminating activity, such as polyoxometalates and metal oxides. Covalent bonding of the reactive species to the polymer securely immobilizes the reactive species and stabilizes the decontaminating activity of the reactive species. Specifically, the covalent bonding of the reactive species greatly reduces moisture deactivation during prolonged exposure to atmospheric moisture. Polyoxometalates are catalytically reactive through oxidative pathways and metal oxides are reactive through hydrolytic pathways. Both polyoxometalates and metal oxides having oxygen atoms available for covalent bonding with an appropriate bifunctional linking agent.

Abstract: The present invention relates to low-viscosity oligocarbonate polyols, their preparation and use. The oligocarbonate polyols are based on diols of formula I below, which are used in combination with a further aliphatic polyol.

Abstract: Adhesive compositions are described which comprise at least one organic sulfoxide, sulfone or sulfide and at least one ketone, ether, ester, amide or carbonate or a mixture thereof. The adhesive compositions also may contain one or more water insoluble polymers such as ABS, PVC and CPVC. Methods of adhesively bonding or welding a first plastic surface to a second plastic surface using these adhesive compositions also are described.

Abstract: Glycerides of acids having conjugated groups of aliphatic carbon-carbon double bonds, such as tung oil, are functionalized by reaction with certain polyol compounds at mild conditions. The functionalized oils are useful in a variety of coating and adhesive applications. They can be cured with melamine-formaldehyde, urea-formaldehyde, benzoguanimine-formaldehyde and/or glycoluril-formaldehyde resins. They can be reacted with polyisocyanates to form polyurethanes, and urethane-group containing prepolymers. Of particular interest are water-dispersible prepolymers, which can be used to make anionic, cationic or nonionic polyurethane dispersions for coating, adhesive and sealant as well as composites applications.

Abstract: This invention relates to materials which absorb and dissipate energy and/or selectively allow energy to be transmitted, methods of making same, and articles comprising such materials. In particular, polymeric materials which include polyol(s) such as, but not limited to, polyethers, polyesters, polyether/esters, acrylics, and combinations thereof, plus other formulary components such as hydroxyl-terminated polybutadienes, polyisocyanates, silicone, preferably RTV (room temperature vulcanizing) silicone, and, preferably, suitable catalysts, preferably organometallic catalysts such as DBTDL (dibutyl tin dilaurate). Included are such polymeric materials which are resilient and which resist compression and compression set while exhibiting energy absorbing properties. Optionally, additives may be functionally or cosmetically added.

Abstract: This invention relates to urethane compositions comprising: (A) 100 weight parts of at least one compound containing at least one isocyanate group; (B) 0.3-300 weight parts of a carbinol-functional silicone resin; (C) up to 250 weight parts of an organic polyol; and (D) up to 10 weight parts of a cure rate modifier. The urethane compositions of this invention are useful as a stand-alone coating or as ingredients in protective coatings, paint formulations, and powder coatings. The urethane compositions of this invention can also be formulated with a blowing agent and cell stabilizer to produce thermally stable foam formulations.

Abstract: Hyperbranched polymers having a plurality of at least two different types of functional groups are described. Specific embodiments include hyperbranched polymers having functional groups of a first type that are substantially uniformly distributed throughout the hyperbranched polymer molecule and a second type of functional group that is substantially uniformly distributed at the terminals of the hyperbranched polymer molecule. The hyperbranched polymers having different types of functional groups are synthesized by reacting one or more monomers having functional groups that are capable of reacting during a set of polymerization conditions to form a hyperbranched polymer, wherein at least one of the monomers contains latent functional groups that are not reactive during polymerization.

Abstract: 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 formed from components which comprise (i) 5 to 65 wt % of at least one organic polyisocyanate; (ii) 0.

Abstract: The invention provides a polymer composition which contains a bound heat accumulating phase change material which is in the form of a solid or a paste. This composition is so stable and has such a solid form that it may be easily heated up to 180 (200)° C. and mechanically treated without changing the structure and the composition thereof and without losing its phase change materials. After being heated up the heat emission of this composition is steady and consequently the composition has a long radiation time. Furthermore the polymer composition is easy to produce and has due to its special properties a lot of applications.

Abstract: The present invention is directed to a lightweight, gas-filled, highly insulative cellular structure and methods for manufacturing the cellular structure. The cellular structure can be incorporated into outdoor gear and apparel to make the outdoor gear or apparel warm, while still maintaining a desired thinness and flexibility. The insulative article takes advantage of the superior insulative properties of dry gases and preferably highly insulative gases such as argon. In addition, the size and shape of the cells in the cellular structure are selected to minimize convection.

Abstract: Nonionic associative thickeners are provided having a nonionic water soluble polymer backbone with at least two pendant polymeric chains attached to the nonionic water soluble polymer backbone. The pendant polymeric chains have terminal chain segments containing polyoxyalkylene units comprising 3 to 6 carbon atoms. The nonionic associative thickeners are useful for modifying the rheology of compositions including aqueous compositions, such as latex containing compositions.

Abstract: A coating composition useful for coating automobile and truck bodies comprising a binder of a. polyisocyanate crosslinking agent; b. an isocyanate-reactive component having at least one compound having the following formula: wherein X, Y, R1, R2, m and n are described in the specification, and c. 0.05 to 10% by weight, based on the total weight of the coating composition, of a metal alkoxide compound; and containing optional additional polymeric components, oligomeric components and antioxidants, light absorbers and light stabilizers.

Abstract: A process for obtaining a solvent borne polyurethane composition comprising preparing an isocyanate-terminated prepolymer A; reacting the isocyanate groups of isocyanate-terminated prepolymer A with 0.1 to 1.8 stoichiometric equivalents of at least one active-hydrogen containing chain terminating compound and or chain-extending compound; optionally introducing an isocyanate-terminated compound B; and reacting the isocyanate groups of the isocyanate-terminated prepolymer obtained in the previous steps and isocyanate-terminated compound B with 0 to 1.2 stoichiometric equivalents of at least one active-hydrogen containing chain-terminating compound and or chain-extending compound.

Abstract: The invention relates to an optical element (1, 25) having a defined shape and comprising a thermoplastic material that has been further cross-linked during or following the shaping thereof. Such thermoplastic materials have an increased heat deflection temperature, distortion, but can be easily and economically shaped before the additional cross-linking as a result of the thermoplastic properties thereof.

Abstract: A polysiloxane copolymer that is useful for forming biomedical devices comprises blocks (I) and (II) and is terminated at each end with an ethylenically unsaturated radical: (*Dii*Diol*Dii*PS)x ??(I) (*Dii*PS)y ??(II) wherein: each Dii is independently a diradical residue of a diisocyanate; each Diol is independently a diradical residue of a diol having 1 to 10 carbon atoms; each PS is independently a diradical residue of a polysiloxane-containing diol or diamine; each * is independently —NH—CO—NH—, —NH—COO— or —OCO—NH—: x represents the number of blocks (I) and is at least 2, and y represents the number of blocks (II) and is at least 1.

Abstract: The invention relates to a polyurethane dispersant resin having a polyurethane backbone having pendant hydrophilic polyalkylene oxide based side groups, the pendant side groups being linked to the polyurethane backbone via covalent bonds, and wherein the content of polyalkylene oxide in the polyurethane dispersant resin is at least 45% by weight, characterized in that the polyurethane additionally has pendant hydrophobic side groups which are linked to the polyurethane backbone via covalent bonds.

Abstract: Process for preparing polyurethanes having an Asker C hardness of from 1 to 70 by reacting (a) isocyanates with (b) compounds which are reactive toward isocyanates, wherein (b1) monools which have a molecular weight in the range from 1500 g/mol to 6000 g/mol and are based on monoalcohols having from 2 to 6 carbon atoms which have been alkoxylated by means of ethylene oxide and/or propylene oxide are used as (b) compounds which are reactive toward isocyanates.

Abstract: Coating compositions repairable by introduction of energy, coatings obtained therewith and repairable by introduction of energy, methods of producing them, and their use.

Abstract: A crosslinkable silane-terminated polymer is provided which includes the reaction product of an isocyanate-terminated prepolymer and a silane possessing a plurality of hydrolysable sites and at least one active hydrogen-containing group which is reactive for isocyanate, the silane upon hydrolysis produces a reduced amount of volatile organic compound compared to that produced by the hydrolysis of a silane possessing an equivalent number of hydrolyzable sites all of which are hydrolyzable alkoxy groups.

Abstract: Chemically protected dihydroxyacetone and/or dimers are used to make polycarbonates, poly(acetal carbonate)s, poly(spiroacetal)s, polyesters and polyurethanes.

Abstract: The invention relates to low baking temperature ultraviolet (UV) radiation curable or thermally curable powder coating polymer materials and compositions for heat-sensitive and/or flexible substrates. More specifically, such powder coating polymer materials and compositions are based on crystalline or semi-crystalline polymers but when subject to melting and flow-out at low temperatures (60° C.-140° C.) and upon curing in molten state by UV radiation or thermal energy, will give a (highly) flexible coating having either complete amorphous, non-crystalline, low glass transition temperature (Tg) polymeric matrix or low degree of crystallinity, low Tg polymeric matrix.

Abstract: The present invention provides a material for slush molding which is improved in melt properties during slush molding and is excellent in heat resistance, the material being made up of a thermoplastic polyurethane resin (A) the difference between the softening starting temperature (STi) and the softening ending temperature by TMA being from 0 to 30° C., and STi being 135 to 200° C. The resin (A) has a hard segment with an Mn of 200 to 2000 comprising a diisocyanate having a symmetrical structure, a low molecular-weight diamine having a symmetrical structure, and/or a low molecular-weight diol, the content of which being from 5 to 50 wt %, and a soft segment making up of a high molecular-weight diol with an Mn of 500 to 5000, with the aromatic content being 35 wt % or less and the aromatic ring content x and the urea group content y satisfying ?0.1x+2.5?y??0.1x+6.

Abstract: A silylated polymer contains repeating units derived from butadiene. The polymer when partially silylated is especially useful for pressure sensitive adhesives where it imparts superior solvent resistance performance thereto.

Abstract: The present invention is directed to a waterborne, UV-curable polyurethane emulsion and the use thereof in producing soft touch coatings. The emulsion is prepared by a) reacting specified hydroxy-functional components with di- and/or polyisocyanates, b) forming a dispersion of the resultant product with water and reacting the dispersion with amine functional materials.

Abstract: The present invention relates to a coating agent for forming an antifogging film on a substrate. This coating agent is formed of a solvent and a mixture containing: (A) an organic isocyanate; (B) a water-absorbing polyol; (C) an acryl polyol; and (D) a surface active agent having an active hydrogen group.

Abstract: Low-cure powder coating compositions are disclosed. The compositions comprise a polyepoxide and a material having the structure wherein R1 is an organic radical having 6 to 25 carbon atoms; R2 is an organic radical having 1 to 20 carbon atoms; R3 and R4 are independently alkyl or phenyl groups having 1 to 8 carbon atoms; Z is oxygen or nitrogen, and when Z is oxygen R5 is absent and when Z is nitrogen R5 is hydrogen or is and n is 1 to 4. The material can optionally be reacted with an acidic hydrogen-containing compound. The compositions are curable without the use of crosslinking agents or accelerators. Methods for coating a substrate using these compositions, and substrates coated thereby, are also disclosed, as are additional catalysts useful for the same purpose.

Abstract: A reactive coating composition, contains (a) a water dispersible isocyanate component, comprising (a)(1) one or more hydrophobic polyisocyanate oligomers, (a)(2) one or more surface active agents, and (b) a water dispersible polyol component comprising: (b)(1) one or more acrylic polyols, and (b)(2) one or more polyester polyols and provides cured films having improved abrasion resistance.

Abstract: Thermoplastic polyurethanes which are readily released from a mold, have a hardness of up to 80 Shore A, and a low degree of cold hardening are produced from polyester polyols made with at least one dihydric alcohol having no ether groups and an average of at least 0.40 side carbon chains per ester group in the polyester polyol.

Abstract: The invention relates to novel UV-curable polyurethane dispersions based on unsaturated polyesters modified with dicyclopentadiene, the preparation of these polyurethane dispersions and the use thereof as a lacquer, coating and/or adhesive.

Abstract: Briefly described, embodiments of this disclosure include transition-metal charge-transport materials, methods of forming transition-metal charge-transport materials, and methods of using the transition-metal charge-transport materials.

Abstract: A continuous pore elastomer featured by being made of a polyurethane, having a three dimensional network pore structure of which skeletons have an average thickness of 20 ?m or less and 80% or more of the skeletons have a thickness within the range of 2 to 20 ?m, having an apparent density of 0.2 to 0.4 g/cm3, containing a surfactant with a HLB value of 8 or more, and being capable of absorbing water instantly; a process for producing the continuous pore elastomer, comprising a step of extracting out the pore generation agent from the molding with water; and a water-absorbing roller and a swab obtained by using the continuous pore elastomer.

Abstract: 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 exhibits excellent and persistent antistatic properties, and a method for producing the composition are provided. The antistatic composition comprises a predetermined alkali metal salt or alkaline earth metal salt, and resin.

Abstract: A process for forming a polyurethane dispersion containing polyhedral oligomeric silsesquioxane (POSS) nanoparticles, comprising reacting a POSS with a diisocyanate in the presence of acetone, reacting the resulting compound with a polyol and an ionic compound selected from the group consisting of an acidic diol or sodium sulfonate to form an isocyanate prepolymer chain, extending the isocyanate prepolymer chain by adding a diol, and forming an aqueous dispersion. Also, a polyurethane dispersion or film comprising a homogeneously distributed polyurethane bound POSS prepolymer.

Abstract: The invention relates to radically copolymerizable acetophenone or benzophenone derivatives, obtained by reaction of a) (meth)acrylic compounds exhibiting at least one isocyanate-reactive group [compounds a)] with b) compounds exhibiting at least two isocyanate groups [compounds b)] and c) acetophenone or benzophenone derivatives exhibiting at least one isocyanate-reactive group [compounds c)]. The invention also relates to copolymers that contain copolymerizable photoinitiators of the invention and to the use of said copolymers in UV-crosslinkable compositions, particularly hot-melt adhesives.

Abstract: A method produces a uretonimine-modified isocyanate composition having increased low-temperature tolerance. The method comprises providing a polyisocyanate composition comprising 4,4?-diphenylmethane diisocyanate (MDI) and reacting the polyisocyanate composition at a temperature of from about 90° C. to about 115° C. in the presence of a catalyst, and optionally a co-catalyst, such that the isocyanate groups react to form uretonimine oligomers. The reaction of the polyisocyanate composition is quenched with a quenching agent to produce an intermediate composition having an intermediate isocyanate value from about 25.5 to about 28.5. A second polyisocyanate composition is added to the intermediate composition in an amount sufficient to produce the uretonimine-modified isocyanate composition having a final isocyanate value of from about 29.0 to about 29.5.

Abstract: 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 prepared by reacting a component (A) with a partially blocked or non-blocked di-, tri- or polyisocyanate and (3) ?0-45% by weight of a blocked or non-blocked di-, tri- or polyisocyanate and (4) optionally, an emulsifier. When used as a finish on flat materials, the composition can endow the treated flat materials with durable hydrophobic properties.

Abstract: Methods of producing plant polyols from plant oils include reacting a plant oil with a designed reactant having one or more nucleophilic functional groups and one or more active hydrogen functional groups in the presence of an addition reaction catalyst in a single reaction step. The resultant polyols may be directly reacted with polyisocyanates to produce polyurethanes.

Abstract: A graft polyol is used to form a polyurethane article including the reaction product of the graft polyol and an isocyanate. The graft polyol is formed from a method including the steps of providing a polymerizable monomer, providing a chain transfer agent, providing a carrier polyol, and providing a free radical initiator. The polymerizable monomer includes styrene and acrylonitrile. The chain transfer agent includes from three to nine carbon atoms, at least one thiol moiety, and at least one hydrophilic moiety. The carrier polyol includes a polyetherol and the free radical initiator includes a diimide. The method also includes the step of combining the polymerizable monomer, the chain transfer agent, the carrier polyol, and the free radical initiator including free radicals. The method further includes the step of reacting the polymerizable monomer and the free radicals to polymerize the polymerizable monomer and form the graft polyol.