Abstract: The present invention relates to a polyoxymethylene molding composition comprising: (A) from 0.1 to 5.0% by weight of a compatibilizer, (B) from 5 to 50% by weight of an impact modifier, (C) the remainder to 100% by weight of a polyoxymethylene. The molding compositions of the invention have substantially improved mechanical properties, in particular impact resistance.

Abstract: Reactive hot melt adhesives with long open time and/or high green strength prepared by using an acrylic polymer component containing a high molecular weight acrylic polymer.

Abstract: Star polymers prepared by reacting a highly branched polymer and either a lactone or lactam are disclosed. These star polymers find particular application as additives for powder coating compositions, to improve various performance properties thereof. Powder coating composition comprising the described star polymers are also disclosed.

Abstract: Disclosed are a reactive hot melt adhesive composition having no problem in the initial adhesive strength, the adhesive strength obtained after moisture curing, stringiness and the like, and a method for producing the same. In the method, 1 to 50 parts by mass of a polymer (A), which is obtained by polymerization of a monomer composition including a vinyl monomer having a carboxyl group and a vinyl monomer having an epoxy group and has the equivalent ratio of the carboxyl group to the epoxy group in the range of 1/100 to 100/1, is mixed with 99 to 50 parts by mass in total of a polyisocyanate (B) and a polyol (C) so that the amount of the isocyanate group can become 1.1 to 10 moles relative to 1 mole of the hydroxyl group of the polyol (C), the sum of the components (A) to (C) being 100 parts by mass, and the resulting mixture is heated and mixed.

Abstract: A method for manufacturing a recycled polycarbonate raw material for a flame retardant resin composition from discarded and/or recovered optical discs using a polycarbonate resin as a substrate material, and includes (a) a step to identify if 2,2-bis(4-hydroxyphenyl)propane as a divalent phenol of the polycarbonate resin raw material is polymerized as the sole raw material in the polycarbonate resin as the substrate material of the discarded and/or recovered optical discs and (b) a step to remove impurities by a chemical treatment by separating only the discarded and/or recovered optical discs, wherein the polycarbonate resin is identified as polymerized by using 2,2-bis(4-hydroxyphenyl)propane as the sole raw material.

Abstract: A binder composition for polyester type films showing superior transparency, film hardness and solvent resistance as well as superior adhesion to polyester type films and an optical film using the composition are provided. The binder composition for polyester type films of the present invention contains a high-molecular weight polymethyl methacrylate (a), an acrylic polyol (b), an isocyanate type curing agent (c), and a polyester resin (d). The optical film of the present invention is an optical film including a polyester type film and a functional layer provided on the polyester type film, the functional layer containing a high-molecular weight polymethyl methacrylate (a), an acrylic polyol (b), an isocyanate type curing agent (c), and a polyester resin (d).

Abstract: The present invention relates to novel coating compositions comprising polyisocyanates, aliphatic oligocarbonate polyols, oligoester polyols and polyacrylate polyols, to a process for their production and to their use in the production of coatings.

Abstract: Chemically crosslinked polycyclooctene having excellent shape recovery properties is prepared by ring-opening metathesis polymerization of cis-cyclooctene followed by chemical crosslinking. The crosslinked polycyclooctene can be shaped, the shape memorized, a new shape imparted with the original shape being recoverable by suitable temperature adjustment. The dependence of shape memory characteristics on degree of crosslinking was established. In addition to polycyclooctene, blends thereof with other materials such as SBR, EVA, polyurethane rubbers, and inorganic fillers can be utilized to provide chemically crosslinked products having excellent and tailored shape memory properties.

Abstract: A thermosetting transparent coating material, its preparation and use. The coating includes (meth)acrylate (co)polymer having a number-average molecular weight of from 1,000 to 6,000 daltons, a glass transition temperature of ?15 to +70° C., and a hydroxyl number of from 80 to 200 mg KOH/g; polyester having a number-average molecular weight of from 800 to 6,000 daltons, a hydroxyl number of from 80 to 200 mg KOH/g and an acid number of from 1 to 50 mg KOH/g, comprising, based on the polyester, from 30 to 70% by weight of cycloaliphatic structural units; a blocked polyisocyanate in which the blocked polyisocyanate groups are attached to flexibilizing structural units which, as part of a three-dimensional network, lower its glass transition temperature; and blocked polyisocyanate in which the blocked polyisocyanate groups are attached to hardening structural units which, as part of a three-dimensional network, raise its glass transition temperature.

Abstract: The present invention is directed to a rheology control agent for coating compositions. The rheology control agent includes a compound having the Formula (II) including isomers or mixtures of isomers thereof: wherein R, R9, R10, m and n are described in the specification. The coating compositions containing the rheology control agent have improved rheology control on application and are useful for OEM, refinishing or repainting the exterior of automobile and truck bodies and parts thereof.

Abstract: A two package type clear coating composition which can form cured coating film excelling in all aspects of scratch resistance, acid resistance, stain resistance and finished appearance such as coated surface smoothness, comprising a hydroxyl-containing acrylic resin (A) having a hydroxyl value of 100-200 mgKOH/g and a number-average molecular weight of 5,000-10,000, which is obtained by copolymerization of a monomeric mixture comprising an aromatic vinyl monomer and a monomer having cyclohexyl ring; a trifunctional HMDI isocyanurate compound (B); and a polyester polyol (C) having a hydroxyl value of 250-350 mgKOH/g and a number-average molecular weight of 350-550, which is obtained by esterification reaction of C3-6 diol with dicarboxylic acid having cyclohexyl ring.

Abstract: Reactive hot melt adhesives compositions with long open time and/or high green strength are prepared by the use of urethane diols. These results are achievable at moderate/low application viscosity or low application temperature.

Abstract: The present invention pertains to polyisobutylene urethane, urea and urethane/urea copolymers, to methods of making such copolymers and to medical devices that contain such polymers. According to certain aspects of the invention, polyisobutylene urethane, urea and urethane/urea copolymers are provided, which comprise a polyisobutylene segment, an additional polymeric segment that is not a polyisobutylene segment, and a segment comprising a residue of a diisocyanate. According to other aspects of the invention, polyisobutylene urethane, urea and urethane/urea copolymers are provided, which comprise a polyisobutylene segment and end groups that comprise alkyl-, alkenyl- or alkynyl-chain-containing end groups.

Abstract: The object of the present invention is to provide a golf ball having a paint film which is obtained from an environment-friendly aqueous paint and is excellent in the impact-resistance and the wear-resistance. The present invention provides a golf ball having a paint film on a surface of a golf ball body, wherein the paint film is obtained by curing a paint composition comprising an aqueous polyol having a carboxyl group, an aqueous polycarbodiimide, and an aqueous polyisocyanate.

Abstract: The present invention relates to a block copolymer prepared by ATRP, wherein the polymer chain terminal group is structurally modified with the functionally effective group of a lubricant or polymer additive selected from the group consisting of antioxidants, metal deactivators, antiwear and extreme pressure additives and corrosion inhibitors. The invention also relates to a composition comprising the structurally modified block copolymer and a composition of matter subject to oxidative, thermal or light induced degradation, such as lubricants or polymers.

Abstract: A sealant gel for a telecommunication enclosure, wherein the gel is formulated from three different polyols in a manner that maintains its favorable mechanical properties given environmental conditions, for example, over a wide temperature range. The first polyol is a polybutadiene-based polyol that has a low glass transition temperature that provides excellent low-temperature performance. The second polyol is a polyether polyol, which is very flexible and contributes the necessary viscoelastic properties. The third polyol is butene diol, which is a short molecule that quickly builds up a hard backbone structure that helps promote fast curing and provides high-temperature resistance. The combined formulation for the sealant gel builds up a well-balanced network structure that not only has all the necessary viscoelastic properties, but also withstands the highest required temperature of 120° C. while also exhibiting good performance at subzero temperatures.

Abstract: Chemically crosslinked polycyclooctene having excellent shape recovery properties and a method for its synthesis via ring-opening metathesis polymerization of cyclooctene using the dihydroimidazolylidene-modified Grubbs catalyst are disclosed. The polycyclooctene products, following curing with dicumyl peroxide can be shaped, the shape memorized, a new shape imparted with the original shape being recoverable by suitable temperature adjustment. The dependence of shape memory characteristics on degree of crosslinking was established. In addition to polycyclooctene, blends thereof with other materials such as SBR, EVA, polyurethane rubbers, and inorganic fillers can be utilized to provide chemically crosslinked products having excellent and tailored shape memory properties.

Abstract: A functionalized polymer includes a polymer chain and a terminal group linked to the chain through a functionality that contains one or more urethane groups. The functionalized polymer can be provided by reacting a nucleophile with a polymer having terminal iso(thio)cyanate functionality which, in turn, can be provided by reacting a terminally active polymer with a polyiso(thio)cyanate. Even polymers that contain substantial amounts of styrene mer can be used in the described process.

Abstract: Two-phase or single-phase admixtures of a plastic and an elastomer, two or more thermoplastics, or two or more elastomers are irradiated (preferably with electron beam radiation) to cross-link the thermoplastic and, in the case of elastomer and thermoplastic admixtures, generate bi-modal molecules having moieties derived from both the elastomer and the thermoplastic.

Abstract: A coating composition including of a (meth)acrylic resin (A) containing a hydroxyl group and a polyisocyanate compound (B) containing a plurality of isocyanate groups. The (meth)acrylic resin (A) is obtained by copolymerizing a monomer mixture essentially containing a polycaprolactone-modified hydroxyalkyl (meth)acrylate and a hydroxyl group-containing (meth)acrylate. The coating composition is characterized in that the hydroxyl group in the hydroxyl group-containing (meth)acrylate is a primary hydroxyl group and the hydroxyl number of the (meth)acrylic resin (A) is 125-145.

Abstract: Disclosed are multi-component waterborne coating compositions that include a first component and a second component which are mixed together prior to application of the composition to a substrate. The first component includes an aqueous dispersion of (i) a polycarbonate-polyurethane polymer, and (ii) an acrylic polyol having a number average molecular weight of no more than 5,000. The second component includes a material having functional groups reactive with the functional groups of the acrylic polyol and/or the polycarbonate-polyurethane polymer. Also disclosed are coatings formed from such compositions and substrates at least partially coated with such compositions.

Abstract: Low-cure powder coating compositions are disclosed, comprising at least one epoxy-containing resin and/or at least one siloxane-containing resin, and at least one material having the structure wherein R1 is an organic radical having 6 to 25 carbon atoms; each R2 is independently a multivalent hydrocarbon group having 1 to 20 carbon atoms; Y is each R3 and R4 are independently alkyl or aryl groups having 1 to 8 carbon atoms; each Z is independently oxygen or nitrogen; R5 is absent when Z is oxygen and R5 is hydrogen, an alkyl or aryl group having 1 to 20 carbon atoms, or (Y)a—R2— when Z is nitrogen; a and b are integers; a is at least 1; b is 1 to 3; and (b) at least one epoxy-containing resin and/or at least one siloxane-containing resin. The material can optionally be reacted with an acidic hydrogen-containing compound. Some compositions are curable without using crosslinking agents or accelerators.

Abstract: The present invention provides polyurethane systems which cure by radiation and thermal action with crosslinking, and use thereof for the production of holographic media. The polyurethane compositions of the invention comprise A) polyisocyanates, B) polyols, comprising at least one poly(?-caprolactone)polyester polyol, C) compounds having groups which react on exposure to actinic radiation with ethylenically unsaturated compounds with polymerization (radiation-curing groups), D) optionally free radical stabilizers and E) photoinitiators.

Abstract: Low-cure powder coating compositions are disclosed, comprising at least one epoxy-containing resin and/or at least one siloxane-containing resin, and at least one material having the structure wherein R1 is an organic radical having 6 to 25 carbon atoms; each R2 is independently a multivalent hydrocarbon group having 1 to 20 carbon atoms; Y is each R3 and R4 are independently alkyl or aryl groups having 1 to 8 carbon atoms; each Z is independently oxygen or nitrogen; R5 is absent when Z is oxygen and R5 is hydrogen, an alkyl or aryl group having 1 to 20 carbon atoms, or (Y)a—R2— when Z is nitrogen; a and b are integers; a is at least 1; b is 1 to 3; and (b) at least one epoxy-containing resin and/or at least one siloxane-containing resin. The material can optionally be reacted with an acidic hydrogen-containing compound. Some compositions are curable without using crosslinking agents or accelerators.

Abstract: Golf equipment having improved cut and shear resistance that includes a polyurea-based composition or polyurethane-based composition, preferably saturated and/or water resistant, formed of a prepolymer, a functionalized block copolymer, and optionally further cured or chain extended with a curing agent, where the prepolymer is incorporated at the terminal end of the functionalized block copolymer.

Abstract: A polymeric material may be prepared by reacting a mixture comprising an amino functional polyorganosiloxane, polyisocyanate, and polyol. The polyol may comprise a hydroxy-functional poly(meth)acrylate. The polymeric material may be used as a coating for a substrate and may inhibit fouling on a surface exposed to aquatic conditions.

Abstract: The invention provides heat-curable thixotropic mixtures containing carbamate and/or allophanate groups, including at least one oligomer and/or polymer containing at least one of carbamate and allophanate groups, and at least one thixotropic agent that is a urea derivative preparable by reacting at least one amine and/or water with at least one isocyanate in the presence of at least one amino resin. The invention further provides processes for preparing the mixtures and coating materials, adhesives and sealing compounds prepared from the mixtures.

Abstract: A photochromic plastic object made of a transparent synthetic resin material composed of at least two mutually penetrating polymer networks of different polymer materials and containing at least one photochromic dye homogeneously distributed therein, and a method for producing such a photochromic object.

Abstract: This invention relates to a curable composition comprising a solvent solution of a mixture comprising: (i) at least one hydroxy-functional acrylic-polymer; and (ii) at least one low molecular weight polyol reactive diluent; (iii) at least one polyisocyanate; (iv) a metal catalyst, such as a tin compound, for accelerating the isocyanate/hydroxyl reaction; and (v) propionic acid.

Abstract: A coating composition comprising a film forming binder of a. at least one polymer that has pendant groups, such as, hydroxyl, carboxyl, glycidyl, amine, amide, silane and mixtures thereof that are reactive with a crosslinking component and the polymer has a glass transition temperature (Tg) of 10 to 80° C.; b. a polytrimethylene ether diol having a Mn (number average molecular weight) of 500 to 5,000; and c. a crosslinking component, such as, organic polyisocyanates, melamine formaldehydes, alkylated melamine formaldehydes, benzoquanamine formaldehyde, urea formaldehyde, polyepoxides, silane resin and any mixtures thereof; wherein the coating composition can be used as a clear coating composition and can contain pigments and may be used as a pigmented top coating, a pigmented base coating, a primer or primer surfacer coating and is useful for coating automobile and truck bodies and parts, industrial equipment, appliances and exterior structures.

Abstract: Condensation products of dihydroxyaromatics A, alone or in mixture with mono- or polyhydroxyaromatics C, with diepoxides or polyepoxides B which have been alkylolated by reaction with aldehydes D and whose alkylol groups may have been etherified with alcohols, a process for preparing them, and a method of use thereof in particular as compositions for coating the inside of foodstuff and beverage packaging forms made from metals.

Abstract: Golf balls comprising thermoplastic, thermoset, castable, or millable materials are presently disclosed. The materials have a rebound height percentage of greater than 60% and are formed from compositions comprising at least one resilient polyamine polydiene and/or polyol polydiene having a number average molecular weight of 1,000-20,000 and an amine or hydroxyl functionality of 1.6-10. The materials also have a 1,4-addition of 30-70% and/or a 1,2-addition of at least 40%. These materials can be used in any one or more portions of the golf balls, such as inner center, core, inner core layer, intermediate core layer, outer core layer, intermediate layer, cover, inner cover layer, intermediate cover layer, and/or outer cover layer.

Abstract: A curable composition comprises: blocked polyisocyanate, curative, and a crosslinked copolymer of monomers comprising at least one free-radically polymerizable carboxylic acid and at least one of an alkyl or alkaryl (meth)acrylate. Methods of making the curable compositions and their use in the manufacture of abrasive articles are also disclosed.

Abstract: A curable aqueous polyurethane dispersion substantially comprises a) at least one compound having two free isocyanate groups, at least one allophanate group and at least one C?C double bond capable of free radical polymerization, a carbonyl group or an oxygen atom in the form of an ether function being bonded directly to the double bond, b) at least one compound having at least one group reactive toward isocyanate groups and having a C?C double bond capable of free-radical polymerization, c) if required, at least one compound having at least two groups reactive towards isocyanate groups and selected from hydroxyl, mercapto, primary and/or secondary amino groups, d) at least one compound having at least one group reactive towards isocyanate groups and having at least one acid group, e) at least one basic compound for neutralizing or partially neutralizing the acid groups of the compounds d), and a thermal initiator and is used for coating substrates.

Abstract: Provided are moisture-reactive hot-melt compositions and methods for making such moisture-reactive hot-melt compositions. The compositions are formed by a process comprising mixing ingredients comprising at least one polyol, at least one polyisocyanate, and at least one acrylic polymer. Also provided are composite constructions formed by a process comprising applying a film of such compositions to a first substrate and contacting at least one subsequent substrate to that film.

Abstract: Solvent-based, dual cure coatings incorporating thermally curable blocked polyisocyanates, which also contain unsaturated linkages, and a method for preparing these coatings. The unsaturated linkages, such as acrylate groups, can be crosslinked by free-radical mechanisms such as UV curing.

Abstract: The invention relates to urethane prepolymers, obtainable by reaction of: (A) 15 to 85 wt.-% of one or more ?,?-terminated poly(meth)acrylate diols, (B) 0 to 30 wt.-% of one or more radically curable, polyhydroxy-functional compounds, (C) 14 to 60 wt.-% of one or more polyisocyanates, (D) 1 to 40 wt.-% of a monofunctional compound, reactive vis-à-vis isocyanate groups, which also contains one or more radically curable grouping, as well as their use.

Abstract: High green strength reactive hot melt adhesives are prepared using relatively low levels of reactive acrylic, and may be prepared with one or more difunctionals having cyclic or polycyclic structures.

Abstract: An aqueous dispersion, contains: a) an amorphous urethanized, unsaturated polyester resin, b) a nonvolatile content of from 20% to 60% by weight, c) from 0 to 60% by weight of a solvent, d) a pH of between 5.0 and 9.5, and e) a viscosity at 20° C. of from 20 to 500 mPas. The polyester resin is obtained from I. an alcohol component, II. i) from 20 to 100 mol % of an ?,?-unsaturated carboxylic acid component, and ii) from 0 to 80 mol % of a further carboxylic acid component, and III. at least one isocyanate component. The alcohol component contains a dicidol mixture of the isomeric compounds 3,8-bis(hydroxymethyl)tricyclo[5.2.1.02,6]decane, 4,8-bis(hydroxymethyl)tricyclo[5.2.1.02,6]decane and 5,8-bis(hydroxymethyl)tricyclo[5.2.1.02,6]decane. Each isomer is present in a fraction of from 20 to 40% in the dicidol mixture. The sum of the three isomers in the dicidol mixture is from 90 to 100%. The dicidol mixture is present from 10 to 100 mol % in the alcohol component of the polyester.

Abstract: Polymeric compositions containing spiroorthocarbonate groups and another functional group which reacts with hydroxyl groups are readily crosslinked on contact with water. These compositions are useful as sealants, coatings and encapsulants.

Abstract: A golf ball excellent in abrasion resistance and rebound characteristics. The golf ball according to the present invention is characterized in that the golf ball comprises a base resin constituting the cover containing a polyurethane having a polyisocyanate and a polyol as the constituents thereof and the polyol further comprises a hydroxyl group-containing diene polymer and/or a hydrogenated derivative of the hydroxyl group-containing diene polymer.

Abstract: A method of making a liquid crystalline fiber is disclosed. A copolymer having a liquid crystalline side group and a crosslinking side group is crosslinked. A fiber of the crosslinking copolymer is drawn before the crosslinking reaction is complete.

Abstract: Compounds that include diorgano groups having quaternary carbons and optionally urethane groups, urea groups, or combinations thereof (i.e., polyurethanes, polyureas, or polyurethane-ureas), as well as materials and methods for making such compounds.

Abstract: An object of the present invention is to provide a coating composition used for a golf ball, which is superior in not only abrasion resistance and impact resistance but also weather resistance to a conventional coating used for a golf ball. According to the present invention, there is provided a coating composition used for a golf ball, which comprises (A) a polyester- and/or polyether-containing acrylic polyol having a hydroxyl value of from 30 to 180 mg KOH/g(solid) and (B) a polyisocyanate, wherein the component (A) is composed of a main chain comprising an acrylic polymer and a side chain comprising a polyester and/or a polyether, and a molar ratio of an isocyanate group in the component (B) to a hydroxyl group in the component (A), [NCO]/[OH], is from 0.5 to 1.5.

Abstract: Low-cure powder coating compositions are disclosed, comprising at least one epoxy-containing resin and/or at least one siloxane-containing resin, and at least one material having the structure wherein R1 is an organic radical having 6 to 25 carbon atoms; each R2 is independently a multivalent hydrocarbon group having 1 to 20 carbon atoms; Y is each R3 and R4 are independently alkyl or aryl groups having 1 to 8 carbon atoms; each Z is independently oxygen or nitrogen; R5 is absent when Z is oxygen and R5 is hydrogen, an alkyl or aryl group having 1 to 20 carbon atoms, or (Y)a —R2— when Z is nitrogen; a and b are integers; a is at least 1; b is 1 to 3; and (b) at least one epoxy-containing resin and/or at least one siloxane-containing resin. The material can optionally be reacted with an acidic hydrogen-containing compound. Some compositions are curable without using crosslinking agents or accelerators.

Abstract: The present invention provides a thermoplastic polyurethane composition which comprises an ethylene-vinyl alcohol copolymer and/or a polyamide, and a thermoplastic polyurethane, in which the retention of melt tension thereof, when kept in a molten state at 220° C. for 1 hour, determined by the following equation (1), is not less than 10%. Retention of melt tension (%)=[Melt tension after being kept in a molten state/Melt tension before being kept in a molten state]×100 ??(1) The thermoplastic polyurethane composition of the present invention is excellent in production stability of a molded article, and can provide a molded article excellent in appearance because the progress of gelation thereof is suppressed even in a molten state.

Abstract: A nonaqueous coating material curable thermally or thermally and with actinic radiation, comprising (A) a hydroxyl-containing binder component comprising (A1) at least one hydroxyl-containing polyester and (A2) at least one hydroxyl-containing (meth)acrylate copolymer prepared at least partly in the presence of the polyester (A1) (B) at least one crosslinking component comprising at least one polyisocyanate, and (C) at least one low molecular mass and/or oligomeric, essentially unbranched, hydrophobic polyester having at least two hydroxyl groups in the molecule, an OH number of from 56 to 500 mg KOH/g, an acid number <10 mg KOH/g, and a number-average molecular weight Mn of from 300 to 2000 daltons; process for its preparation, and its use.

Abstract: High green strength reactive hot melt adhesives are prepared using relatively low levels of reactive acrylic, and may be prepared with liquid crystalline or crystalline diols.

Abstract: A multicomponent system curable thermally and with actinic radiation (dual cure), comprising (A) at least one component comprising at least one constituent containing at least one isocyanate-reactive functional group and at least one functional group having at least one bond which can be activated with actinic radiation, and at least one vinylaromatic-allyl alcohol copolymer, and (B) at least one component comprising at least one polyisocyanate, and its use as a coating material, adhesive and sealing compound.

Abstract: A moisture-reactive hot-melt composition, useful as an adhesive, is provided that has improved balance of open time and green strength. In particular, the composition is made from a polyol, a polyisocyante, and an acrylic polymer. Also provided are a method for making such compositions and a method for using such compositions for bonding substrates.