Abstract: Compositions comprising a plurality of carbon nanotubes, a host polymer, and A block copolymer comprising a first block and a second block, wherein no block is compatible with the host polymer. In one aspect, the block copolymer is amphiphilic. In another aspect, the block copolymer may comprise a first block and a second block, wherein at least one of the first and second blocks comprises repeating units derived from a monomer having the general formula: (R)2C?C(R)(Rf) wherein Rf is selected from fluorine, a C1 to C10 fluorinated or perfluorinated alkyl group, and a C1 to C10 fluorinated or perfluorinated alkoxy group; each R is independently selected from F, H, Cl, Rf, a C1 to C10 alkyl group, and R2A, wherein R2 is a C1 to C10 alkylene group and A is selected from CO2M and SO3M, wherein M is selected from H, an ammonium and organo onium group.

Abstract: Nanoparticle compositions including calcite and a surface-modifying agent bonded to the calcite are described. The surface-modifying agent includes a binding group bonded to the calcite and a compatiblizing segment. The compatiblizing segment includes at least one of a polyethylene oxide, a polypropylene oxide, a polyester, a polyamide, or a combination thereof. The composition includes less than 2 wt. % solvents and/or resins. Methods of preparing nanoparticle compositions are also described.

Abstract: A high-efficiency light diffusing polymeric film comprises a first polymer which is a light transmissible medium, and a second polymer which forms light scattering particles, wherein the polymers are immiscible and have a refractive index difference of about 0.001 to about 0.5, and the polymeric film comprises about 30 about to 70 parts by weight of the second polymer with respect to 100 parts by weight of the first polymer. A method for manufacturing a high-efficiency polymeric film is carried out such that a first polymer forms a continuous phase and a second polymer forms a dispersed phase through coating or extrusion.

Abstract: A barrier layer is provided for impeding the flow of inflation gas through an inflatable article, the barrier layer constructed of a material that is based upon a cross-linkable rubber composition, the cross-linkable rubber composition comprising, per 100 parts by weight of rubber (phr), between 50 phr and 90 phr of a butyl rubber and between 10 phr and 50 phr of a total amount of a GCO copolymer comprising epichlorohydrin derived units and allyl glycidyl ether derived units and a GECO terpolymer comprising epichlorohydrin derived units, allyl glycidyl ether derived units and ethylene oxide derived units, wherein the GECO terpolymer is between 1 percent by weight and 50 percent by weight of the total and also including a sulfur cure system.

Abstract: A two-part structural adhesive composition comprising a curable epoxy resin, an amine curing agent, a toughening agent, and a reactive liquid modifier. The structural adhesive may also include secondary curatives, initiators, reactive diluents and combinations thereof. The structural adhesives may be used to replace or augment conventional joining means such as welds or mechanical fasteners in bonding parts together.

Abstract: The invention relates to an epoxy resin composition and preparation thereof. The composition comprises the following blended components: 100 weight parts of epoxy resins; 30 to 120 weight parts of anhydride curing agents; 1 to 45 weight parts of powdery nitrile rubbers; no curing accelerator is included in the composition. The composition of the invention has both higher heat resistance and higher toughness, and is suitable for the fields which require high heat resistance, such as circuit board, electronics packaging, binder and electrical insulating coating etc.

Abstract: Provided are a resin composition for the manufacture of marble chips including a halogenated epoxy resin binder and showing high heat resistance, high chemical resistance, high impact resistance, high specific gravity and high transparency, a marble chip manufacturing method using the resin composition and an artificial marble made from marble chips.

Abstract: The present invention provides a resin composition for an adhesive sheet, comprising an acrylic copolymer containing (A) an acrylate ester, methacrylate ester, or a mixture thereof, (B) acrylonitrile, methacrylonitrile, or a mixture thereof, and (C) an unsaturated carboxylic acid; an epoxy resin; and a curing agent, wherein the curing agent comprises at least one selection from Lewis acid-amine complexes.

Abstract: Disclosed are curable powder coating compositions that include a film-forming resin composition that includes (a) a first film-forming resin, (b) a second film-forming resin that is different from and incompatible with the first film-forming resin, and (c) a compatibilizing agent that includes a first portion that is compatible with the first film-forming resin and a second portion that is compatible with the second film-forming resin. The compatibilizing agent is present in such compositions in an amount sufficient to result in a coating composition that, when deposited onto at least a portion of a substrate and cured, produces a mid-gloss coating.

Abstract: Provided is a curable composition excellent in curability and mechanical properties as well as a cured product thereof. Specially provided is a curable composition containing a vinyl-based polymer (I) having one or more crosslinkable functional groups at a terminus on average and a nucleophilic agent (II) and a cured product obtained by curing the curable composition. Preferably, the curable composition of the invention further contains an epoxy resin (III).

Abstract: The present invention includes a temporary fixing step of temporarily fixing a semiconductor element on an adherend interposing an adhesive sheet therebetween, a wire-bonding step of bonding wires to the semiconductor element, and a step of sealing the semiconductor element with a sealing resin, and in which the loss elastic modulus of the adhesive sheet at 175-C is 2000 Pa or more.

Abstract: A method of sealing a semiconductor element which involves applying an epoxy resin composition including an epoxy resin and a phenolic resin obtained by reacting phenol, a biphenyl compound represented by the general formula (3) and benzaldehyde to a semiconductor element and curing the composition to seal the semiconductor element: wherein X in the formula (3) is a halogen, an OH group or an OCH3 group. The molar ratio of the total of the biphenyl compound and benzaldehyde relative to the phenol is from 0.27 to 0.40, and the molar ratio of benzaldehyde/biphenyl compound is from 5/95 to 40/60.

Abstract: A cationically polymerizable composition comprising (i) a cationically polymerizable resin, (ii) an onium salt, (iii) an azo or peroxide initiator, exhibits a lower cure temperature upon the addition of (iv) a catalytic or substoichiometric amount of an electron-rich vinyl resin to the reaction.

Abstract: The present invention relates to one-solution type thermosetting resin composition for a protective film of a color filter, and a color filter including the same. The one-solution type thermosetting resin composition includes a copolymer (A) including (meth)acrylate with an epoxy cyclic structure at the side chain, (meth)acrylate with a hydroxyl terminal, acid anhydride, and maleimide with a substituent; an epoxy resin (B); a base-generating agent (C); and an organic solvent (D). When a protective film of a color filter is prepared by using the one-solution type thermosetting resin composition according to the present invention, it has excellent storage stability as well as excellent flatness, close-contacting property, transmission properties, heat resistance, and chemical resistance.

Abstract: An immiscible polymer blend including a first polymer component including a paint polymer phase and a second polymer component immiscible with the first polymer component and selected from polyolefins and polymethylmethacrylate (PMMA). A method of recycling paint by blending a first polymer component including a paint polymer phase with a second polymer component immiscible with the first polymer component and selected from polyolefins and polymethylmethacrylate (PMMA) is also presented.

Abstract: A low viscosity toughened epoxy resin formulation including a divinylbenzene dioxide as a component in the formulation; wherein the formulation is useful for the manufacture of thermoset polymers.

Abstract: This invention relates to a composite material for biomedical applications, in particular dental applications, which possesses self-healing capacity and is able to incorporate a system for the release of active ingredients at the stage of application and use.

Abstract: The present invention provides a photocurable pressure-sensitive adhesive composition which has sufficient adhesion before being irradiated with light, and after being irradiated with light, keeps a sufficient pot life and has a short cure-completion time at a room temperature. A cured product produced from the composition has high adhesion force to adherends difficult to be attached, and excellent durability. The photocurable pressure-sensitive adhesive composition comprises a crosslinking compound (A) that is crosslinkable by the action of a base, a photobase generator (B) which becomes active upon light irradiation to generate a base, and a tackifying component (C).

Abstract: A prepreg composite material that includes a fiber layer and a resin comprising a thermoset resin component, a curing agent and a fibrous micropulp. The micropulp component is an aramid fiber having a volume average length of from 0.01 to 100 micrometers. The prepreg is useful in composite panel construction for minimizing fluid permeation into the cured structure. This prepreg is particularly suitable for making honeycomb sandwich panels. Film adhesives, liquid and paste resins containing aramid fiber micropulp are also disclosed.

Abstract: Polymerizable compositions are provided that contain an epoxy compound and a polymerizable, ethylenically-unsaturated resin having an acid functional group where the epoxy compound is polymerized by cationic polymerization initiated by the acid functional group and the polymerizable, ethylenically-unsaturated resin is polymerized by free-radical polymerization. To that end, a two-part polymerizable composition is provided that has a first part containing the epoxy compound; and a second part containing the polymerizable, ethylenically-unsaturated resin having an acid functional group. The first part and/or the second part further contain a radical initiator effective to initiate either self-curing or light-curing by free-radical polymerization.

Abstract: A spring with high durability has a coating film composed of an epoxy resin powder coating containing softening agent which contains an epoxy resin and a softening agent comprising a thermoplastic resin for improving impact resistance of the coating film. A method of coating a spring with high durability comprises a coating step of making an epoxy resin powder coating containing softening agent which contains an epoxy resin and a softening agent comprising a thermoplastic resin for improving impact resistance of a coating film adhere to a surface on which the coating film is formed, and a baking step of baking the epoxy resin powder coating containing softening agent adhered to the surface.

Abstract: Disclosed are a resin composition for laser engraving, including an acrylic block copolymer; a relief printing plate precursor for laser engraving comprising a relief-forming layer formed from the resin composition on a support; a process for producing the relief printing plate precursor; a process of making a relief printing plate using the relief printing plate precursor; and a relief printing plate having a relief layer which is manufactured by the process.

Abstract: An ionic polymer of formula VI wherein each b=0 or 1; X is hydrogen, 1/z of a metal ion of charge z, a protonated nitrogen base, or a tetrasubstituted organic ammonium compound; the molar ratio of q:r:s:t=(100-0.1):(0-99.9):(0-50):(0-30); R1, R2 and R3 are hydrogen or C1-4 alkyl; R4, R5, R6 and R7 are hydrogen, C1-4 alkyl or F, wherein F is a functional group that imparts a property to polymer VI, at least one and no more than two of R4, R5, R6 and R7 are F and F is the same or different; G is a single bond or a C1-30 hydrocarbyl group; and for each instance of t when t is not zero, c=0-5 and d=0-5, provided that c+d=1-5, and wherein q, r and s as present in c are independent of any other value of q, r and s.

Abstract: The present invention relates to a water-based adhesive composition, to a method for manufacturing same, and to an adhesive film. The water-based adhesive composition according to the present invention has excellent physical properties such as detachability and reworkability, and can stably prevent changes in the physical properties thereof caused by longitudinal or environmental factors. In addition, the water-based adhesive composition according to the present invention has excellent wettability with respect to various adherends. Accordingly, the water-based adhesive composition according to the present invention can be effectively applied to various industrial adhesive products such as adhesive films for advertisements.

Abstract: A composition comprising: a) an epoxy resin; and b) a hardener comprising a copolymer of: i) an ethylenically unsaturated anhydride, and ii) a vinyl compound, wherein the vinyl compound is styrene or a styrene derivative and wherein the copolymer has an anhydride content of less than 15 weight percent, based on the total weight of the copolymer, wherein said composition is prepared from a halogen-containing compound, and uses thereof, are disclosed.

Abstract: A method of making a filled resin includes the steps of: Providing a wiped film evaporator with an internal evaporator chamber maintained under vacuum and having an internal chamber wall maintained at an elevated temperature; introducing solvent-borne particles and organic matrix into the internal chamber; and compounding the solvent-borne particles and the organic matrix in the internal evaporator chamber by forming a thin film against the internal chamber wall, the thin film including organic matrix and particles, and the vacuum conditions and elevated temperature being sufficient to remove solvent from the particles and organic matrix to provide the filled resin. Less than about 10% of the particles in the resulting filled resin are agglomerated.

Abstract: The shape memory polymers disclosed are a reaction product of at least one reagent containing two active amino-hydrogen or two active phenolic-hydrogen with at least one multifunctional cross linking reagent which contains at least three or more active amino- or phenolic-hydrogen or is a reagent containing at least three glycidyl ether moieties which is then further mixed with at least one diglycidyl ether reagent whereupon the resulting mixture is cured and has a glass transition temperature higher than 00 C. This reaction creates crosslinking between the monomers and polymers such that during polymerization they form a crosslinked thermoset network.

Abstract: The invention relates to a modified hydrocarbylphenol-aldehyde resin prepared by reacting a hydrocarbylphenol-aldehyde resin with a primary or secondary amine and further with an epoxide. The invention also provides a process for preparing a modified, hydrocarbylphenol-aldehyde resin and a rubber composition containing such resin.

Abstract: Disclosed is a vinyl polymer powder which is superior to dispersibility to curable resin compositions, which immediately gives a gel state for curable resin compositions by short-time heating with predetermined temperature, which is with high ion concentration, and which is useful as a pre-gel agent suitable for fields of electronic materials, to provide a curable resin composition comprising the vinyl polymer powder, and to provide a cured substance of the curable resin composition. The vinyl polymer powder of the present invention has an acetone-soluble component of 30% by mass or more, mass average molecular weight of the acetone-soluble component of 100,000 or more, a content of an alkali metal ion of 10 ppm or less, and a volume average primary particle size (Dv) of 200 nm or more.

Abstract: A solvent-free polyimide silicone resin composition, and a cured product thereof, includes (A) a polyimide silicone resin having recurring units having a specific type of structure and having a weight average molecular weight of 5,000 to 150,000, (B) an epoxy resin, and (C) an epoxy resin curing agent wherein the resin composition having a fluidity at 25° C. and is free of a solvent.

Abstract: A method for making a multi-branched polymer includes reacting a first polymeric unit with a functional cyclic compound to form a functional macroinitiator compound with a cyclic moiety. The functional macroinitiator compound is reacted with an amine functional compound to open the cyclic moiety and form a first functional group and a second functional group. To form the branched polymer, at least one of a second polymeric unit is propagated from the first functional group and a third polymeric unit is propagated from the second functional group.

Abstract: A curing accelerator for epoxy resin compositions, which is used in a one-pack type epoxy resin composition having excellent storage stability and rapid curability. The curing accelerator for epoxy resin compositions contains a microcapsule type curing accelerator wherein a compound represented by formula (I) is encapsulated by a thermosetting resin. (In formula (I), R1 and R2 each represents a hydrogen atom or an alkyl group.

Abstract: An article includes a reaction product of a filler having binding sites, a coupling agent composition including an aromatic amine and a first cycloolefin substituted with at least one epoxy group, a polymer precursor including a second cycloolefin, and a metathesis catalyst capable of catalyzing a ring-opening metathesis polymerization reaction when contacted to the first cycloolefin or the second cycloolefin. The coupling agent composition is capable of bonding to the filler and the coupling agent composition is compatible with a metathesis catalyst. An associated method is also provided.

Abstract: Disclosed is a phenolic resin having flame retardance, fast curing property and low melt viscosity, which is useful for a curing agent for epoxy resin-based semiconductor sealing materials. Also disclosed are a method for producing such a phenolic resin and use of such a phenolic resin. Specifically disclosed is a phenolic resin obtained by reacting a phenol, a bismethylbiphenyl compound and an aromatic aldehyde at such a ratio that the molar ratio of the total of the bismethylbiphenyl compound and the aromatic aldehyde relative to the phenol is 0.10-0.60, and the aromatic aldehyde/the bismethylbiphenyl compound (molar ratio) is from 5/95 to 50/50. Also specifically disclosed is an epoxy resin composition composed of such a phenolic resin and an epoxy resin.

Abstract: The invention is a composition comprising a blend of two or more epoxide containing compositions selected from epoxidized vegetable oils, epoxidized alkyl esters or cycloaliphatic epoxides. In another embodiment, the invention is a blend of one or more epoxidized vegetable oils, epoxidized alkyl esters, or cycloaliphatic epoxides with one or more aromatic epoxides or epoxy functionalized polyoxyalkylene polyols.

Abstract: Polymers having polyolefin segments as the side chain, with a structural unit represented by the following Formula (1): wherein A is an olefin polymer having a weight average molecular weight of 400 to 500,000; R is H, an alkyl group, or an aralkyl group; W and Z are each O, HN, or S; and x and y are each 0 or 1, with the proviso that at least one of them is 1. The polymer can be applied as an antistatic agent, a cosmetic additive, a releasing agent for toner, a pigment dispersant, a lubricant for vinyl chloride resins, a coating material, an emulsion composition and the like.

Abstract: An ink-jet composition for a color filter excellent in storage stability, straightness and sustainability at the time of ejection from a head, wherein a cured layer thereof is excellent in heat resistance, adhesive property, and solvent resistance. The ink-jet ink composition for a color filter is a specific epoxy group-containing polymer (A), a specific epoxy group-containing compound (B) having two or more specific epoxy groups and a polycarboxlic acid derivative (C) in which specific carboxylic acid (c1) having alicyclic hydrocarbon is rendered latent by vinyl ether (c2), wherein the equivalence ratio of carboxyl groups rendered latent by the polycarbonoxylic acid derivative (C) to the total epoxy groups contained in the epoxy-group containing polymer (A) and the epoxy-group containing compound (B) is in the range from 0.7 to 1.1.

Abstract: A two-part structural adhesive composition comprising a curable epoxy resin, an amine curing agent, a toughening agent, and a reactive liquid modifier. The structural adhesive may also include secondary curatives, initiators, reactive diluents and combinations thereof. The structural adhesives may be used to replace or augment conventional joining means such as welds or mechanical fasteners in bonding parts together.

Abstract: The present invention relates to a light absorbent for organic anti-reflection coating formation, and an organic anti-reflection film composition containing the same. The light absorbent for organic anti-reflection film formation according to the present invention is a compound of the following formula (1a), a compound of the following formula (1b), a mixture of compounds of the formulas (1a) and (1b): wherein X is selected from the group consisting of a substituted or unsubstituted cyclic group having 1 to 20 carbon atoms, aryl, diaryl ether, diaryl sulfide, diaryl sulfoxide and diaryl ketone; and R1 is a hydrogen atom, a substituted or unsubstituted alkyl group having 1 to 10 carbon atoms, or an aryl group having 1 to 14 carbon atoms.

Abstract: A composition includes a coupling agent composition and a polymer precursor. The coupling agent composition includes an aromatic amine and a first cycloolefin substituted with at least one epoxy group. The polymer precursor includes a second cycloolefin and an epoxy compound. The coupling agent composition is capable of bonding to a filler having a corresponding binding site and the coupling agent composition is compatible with a metathesis catalyst capable of catalyzing a ring-opening metathesis polymerization reaction when contacted to the first cycloolefin or the second cycloolefin. An associated method is also provided.

Abstract: The present invention relates to reactive compositions which at least one compound A having at least two reactive groups which are selected from the group comprising isocyanate, epoxide, alkoxysilane, and mixtures thereof and also at least one polymeric thixotropic agent B prepared by homopolymerizing a (meth)acrylate B1 or by copolymerizing a (meth)acrylate B1 with at least one further (meth)acrylate, the (meth)acrylate mixture possessing an average (meth)acrylate functionality ƒ of 2.5 to 4.5. The (meth)acrylate B1 here contains three or more (meth)acrylate groups. The invention additionally discloses the use of the compound B as a thixotropic agent.

Abstract: The invention is a composition comprising a blend of two or more epoxide containing compositions selected from epoxidized vegetable oils, epoxidized alkyl esters or cycloaliphatic epoxides. In another embodiment, the invention is a blend of one or more epoxidized vegetable oils, epoxidized alkyl esters, or cycloaliphatic epoxides with one or more aromatic epoxides or epoxy functionalized polyoxyalkylene polyols.

Abstract: The invention relates to a polymer mixture comprising a mixture of polymer A, comprising polymers with a functional group —NRH and (meth)acrylates and polymer B, comprising polymers having a functional group —NR—CH2OH and (meth)acrylates in dispersion in plasticizers or epoxy resins.

Abstract: A polymeric composite material, and method of making the same, including a polymeric blend that includes at least one thermoplastic polymer; at least one functionalized polymer; at least one polyetheramine thermoplastic material; and a plurality of particles (e.g. naturally occurring organic materials) distributed substantially homogeneously throughout the polymeric blend. Articles employing such materials are also disclosed.

Abstract: Grafted polymers which are the reaction products of: (a) (Meth)acrylic acid and (b) Non-symmetric maleates according to general formula (I), in which R1 stands for a linear or branched alk(en)yl radical having 1 to 22 carbon atoms and 0 or 1 double bond, while n and m independently represent integers between 0 and 200, on condition that the sum (n+m) is different from 0 are disclosed. Methods of making and using the grafted polymers are also disclosed.

Abstract: Compositions comprising a plurality of carbon nanotubes, a host polymer, and A block copolymer comprising a first block and a second block, wherein no block is compatible with the host polymer. In one aspect, the block copolymer is amphiphilic. In another aspect, the block copolymer may comprise a first block and a second block, wherein at least one of the first and second blocks comprises repeating units derived from a monomer having the general formula: (R)2C?C(R)(Rf) wherein Rf is selected from fluorine, a C1 to C10 fluorinated or perfluorinated alkyl group, and a C1 to C10 fluorinated or perfluorinated alkoxy group; each R is independently selected from F, H, Cl, Rf, a C1 to C10 alkyl group, and R2A, wherein R2 is a C1 to C10 alkylene group and A is selected from CO2M and SO3M, wherein M is selected from H, an ammonium and organo onium group.

Abstract: A novel flame-retardant thermoplastic polyhydroxy polyether resin obtained by reacting at least one epoxy resin (A) selected from glycidyl esters of divalent aliphatic carboxylic acids having 15 to 64 carbon atoms or glycidyl ethers of divalent aliphatic alcohols having 15 to 64 carbon atoms with a phosphorus atom-containing divalent phenol compound (B) as essential components, wherein the component (A) accounts for 2 to 52 mol % with respect to the whole resin, the weight average molecular weight thereof is 10,000 to 200,000, and the phosphorus content thereof is 1 to 5 wt %.

Abstract: The invention relates to solid thermosetting resin compositions and resin-coated foils, glass cloth reinforced resin-coated foils using the same and their use in the manufacturing of printed circuit boards.

Abstract: An isobutene polymer which has an average of at least 1.4 terminal 1,3-propanediol groups is described, as is a crosslinking product thereof. Suitable crosslinkers are difunctional or higher-functionality isocyanates or epoxy compounds having at least two epoxide groups. The crosslinking products exhibit high storage moduli even at elevated temperatures.

Abstract: A blend of epoxy resins includes a) an epoxy resin composition derived from the reaction of a liquid epoxy resin, a carboxyl terminated butadiene (CTB), and a carboxyl terminated polybutadiene-acrylonitrile (CTBN) and/or a random and terminal carboxyl functional polybutadiene-acrylonitrile (CTBNX), and b) unreacted epoxy resin. The carboxyl terminated butadiene is miscible with the unreacted epoxy resin and does not separate therefrom even upon aging. Upon cure as with a latent cure agent, a toughened epoxy resin is produced having unexpected good low temperature properties such as peel strength.