Abstract: Disclosed is an insulating film composition of a non-oriented electrical steel sheet. The insulating film composition of a non-oriented electrical steel sheet according to the present invention comprises a mixed metal phosphate consisting of aluminum phosphate (Al(H3PO4)x=1-3) and cobalt phosphate (Co(H3PO4)3), and an organic/inorganic composite consisting of epoxy resin and silica (SiO2) nanoparticle substituted on the functional group of the epoxy resin.

Abstract: Embodiments of the present disclosure are directed to a cured epoxy shape memory material by reacting a mixture comprising multifunctional epoxide reagent, triglycidyl ether diluent, catalyst, and at least one aromatic alcohol curing agent of Formula I: wherein R1 and R5 are H, alkyl, aryl, or alkoxy, but not —CH2OH and R2, R3 or R4 are H, OH, alkyl, aryl, alkoxy or —Y—OH with the proviso that at least one of R2, R3 or R4 is —Y—OH, wherein Y is an alkylene.

Abstract: A transition-metal-containing silicoaluminophosphate zeolite having excellent high-temperature hydrothermal durability is easily and efficiently produced. A method for producing a transition-metal-containing zeolite that contains a silicon atom, a phosphorus atom, and an aluminum atom in at least its framework structure includes hydrothermal synthesis using an aqueous gel containing a silicon atom raw material, an aluminum atom raw material, a phosphorus atom raw material, a transition metal raw material, and a polyamine (other than diamines). A transition-metal-containing silicoaluminophosphate zeolite produced by hydrothermal synthesis using a zeolite raw material and the aqueous gel containing the transition metal raw material and the polyamine has excellent high-temperature hydrothermal durability and high catalytic activity.

Abstract: A polyol having the formula Si(O—R1—OH)m(O—R2)nR3. Each R1 is a divalent radical derived from diethylene glycol, triethylene glycol, dipropylene glycol, or tripropylene glycol, each R2 is an aliphatic group, and R3 is an alkyl group or aromatic group. The value m is 2 or 3 and n is 0 or 1. A process of making the above polyol by: providing a reactant having the formula Si(O—R2)3R3, and reacting the reactant with a diol having the formula HO—R1—OH. An antifouling coating comprising a thermoset formed by reacting a polyisocyanate with the above polyol. The coating is not a foam.

Abstract: Addition-fragmentation agents of the formula are disclosed: wherein R1, R2 and R3 are each independently Z-Q-, a (hetero)alkyl group or a (hetero)aryl group with the proviso that at least one of R1, R2 and R3 is Zm-Q-, Q is a linking group have a valence of m+1; Z is an ethylenically unsaturated polymerizable group, m is 1 to 6; each X1 is independently —O— or —NR4—, where R4 is H or C1-C4 alkyl, and n is 0 or 1.

Abstract: Disclosed are corrosion resistant compositions and processes for the preparation thereof that involve the application of a plurality of layers comprised of at least one tetraalkoxysilane and at least one functionalized silane layer to a supporting substrate.

Abstract: A multi-layer thin film assembly including a first layer including a first material, wherein the first material includes at least two kinds of functional groups, and a second layer disposed on the first layer and including a second material that interacts with the at least two kinds of functional groups, and a barrier film including the same.

Abstract: This invention pertains to a composition that can be used to heal cracks in plastics and other substrates. In the present invention, a composition comprising nanotubes, healing agent(s), and end caps for the nanotubes may be used to heal crack(s) as they begin to occur. With the composition, the healing agent(s) are contained within the nanotubes, and a reaction releases the healing agent(s) after the end caps can be removed from the nanotubes. This invention also includes a method of preparing a composition for healing cracks in plastics and other substrates. For this method, the healing agent(s) are filled inside of the nanotubes, and then end caps are bound onto the ends of the nanotubes. After a reaction occurs to remove the end caps and release the healing agent(s), the cracks within the substrate may then be healed.

Abstract: The present disclosure relates to a chemically treated zinc-based plated steel sheet that is superior in weather resistance, water resistance, blackening resistance and film adhesion. A chemical conversion film having a thickness 0.5-10 ?m is formed by coating and drying a chemical treatment solution on a surface of an aluminum-containing zinc-based alloy plated steel sheet. The chemical treatment solution contains a fluororesin containing 0.05-5% by weight of a hydrophilic functional group selected from the group consisting of a carboxyl group and a sulfonic acid group and 7-20% by weight of a fluorine atom, the fluororesin in which a number-average molecular weight is 1,000-2,000,000, and an oxoate, a fluoride, a hydroxide, an organic salt, a carbonate or a peroxygenated salt of a group 4A metal.

Abstract: The invention relates to cord (20) comprising a number of filaments twisted together. The peripheral surface of the cord (20) is at least partially coated with an adhesion promoting coating (24). The adhesion promoting coating (24) comprises at least a first layer comprising a silicon based coating, a titanium based coating, a zirconium based coating or a combination thereof. The invention further relates to a composite material comprising such a cord (20) embedded in a polymer material. Furthermore the invention relates to a method to manufacture such a cord (20).

Abstract: A resist underlayer film composition, wherein the composition contains a polymer obtained by condensation of a condensed body, the body being obtained by condensation of one or more kinds of a compound shown by the following general formula (1-1) with one or more kinds of a compound shown by the following general formula (2-3) and an equivalent body thereof, with one or more kinds of a compound shown by the following general formula (2-1), a compound shown by the following general formula (2-2), and an equivalent body thereof; a method for producing a polymer for a resist underlayer film; and a patterning process using the same.

Abstract: Food and beverage containers and methods of coating are provided. The food and beverage containers include a metal substrate that is at least partially coated with a coating composition that includes a water-dispersible resin system and an aqueous carrier. The resin system includes an epoxy component and an acrylic component. In a preferred embodiment, the coating composition is at least minimally retortable when cured.

Abstract: Coating composition comprising the reaction product of a tetra-alkoxyorthosilicate or a partially condensed oligomer thereof and an epoxy resin containing hydroxyl groups, said coating composition having a solids content of at least 70 vol % and/or a volatile organic content (VOC) not exceeding 250 g/l. This coating composition gives fast curing at ambient and sub-ambient temperatures and an extended pot life.

Abstract: A thermosetting resin composition which includes an epoxy-containing component and a curing agent component containing a cyclohexanetricarboxylic anhydride. The cured product of the thermosetting resin composition is excellent in surface hardness, solvent resistance, transparency, and adhesion to substrate, and is useful as a surface protection layer of the substrate.

Abstract: A composition for forming a protective layer on a substrate comprises a plurality of silicas having different particle size ranges, and a curable resin. The substrate may be a building substrate such as a floor or wall concrete, blocks or bricks. The silica is typically white or colorless crystalline compound, SiO2, occurring abundantly as quartz, sand, flint, agate, and many other minerals used to manufacture a wide variety of materials, especially glass and concrete.

Abstract: A curable composition comprising (i) at least one aromatic epoxy resin; (ii) at least one curing agent for curing the aromatic epoxy resin said curing agent comprising at least one cycloaliphatic amine; (iii) at least one fatty acid polyamide having a melting point of from 100° C. to 145° C., wherein the fatty acid polyamide contains at least two end-groups according to the formula (I) —NRa—CO—Rb wherein Ra represents H or an alkyl group having from 1 to 4 carbon atoms and Rb represents a saturated or unsaturated alkyl chain containing from 3 to 27 carbon atoms; and (iv) at least one filler material comprising hollow particles. Also provided are cured compositions comprising the reaction product of a curing reaction of the curable compositions, coating comprising the curable compositions and methods of coating the exterior surface of articles using the curable compositions.

Abstract: Disclosed is an antifogging film-forming material obtained by reacting, in the presence of a quaternary ammonium salt or quaternary phosphonium salt, a copolymer represented by a certain general formula with a multifunctional epoxy compound having a solubility of 40-100 mass % in 25° C. water. The antifogging film-forming material is characterized by having a weight average molecular weight of 100,000-5,000,000. With this material, it becomes possible to obtain an antifogging article excellent in antifogging property, heat resistance, chemical resistance and abrasion resistance.

Abstract: Methods and apparatus are provide for: a glass substrate having first and second opposing surfaces, and a plurality of edge surfaces extending transversely between the first and second opposing surfaces; a layer disposed on, and adhered to, at least one of the first, second, and edge surfaces of the substrate, where the layer includes: (i) one of an oligomer and resin; (ii) a monomer; and (iii) nanometer-sized silica particles of at least about 2-50 weight percent.

Abstract: A process for providing a coating with improved adhesion to a substrate is provided. The coating composition comprises an epoxy function polymer, a fully alkylated melamine resin and an amidoamine. The process involves forming a mixture of the film forming components and allowing the mixture to mature before adding an acid catalyst. The result is a layer of the coating composition with a high degree of adhesion to the substrate.

Abstract: The present invention is directed to novel organometallic complexes as catalysts for the reaction of compounds with isocyanate and hydroxyl functional groups to form urethane and/or polyurethane and the process employing such catalysts. More particularly, the present invention is directed to novel complexes of zinc(II) with substituted amidines. These novel catalysts are useful for the production of urethanes and polyurethanes which are important in many industrial applications.

Abstract: This invention relates to coating compositions comprising a linear glycidyl carbamate (GC) resin and a curing agent. The linear GC-resins were synthesized using linear and cycloaliphatic diisocyanates and a combination of diols and optional triols with glycidol. The combination of linear diisocyanates and diols introduces a more linear structure in the GC-resin compositions.

Abstract: A water-based bonding primer composition and a method of applying the same onto a metallic surface prior to adhesive bonding. The bonding primer composition is a water-based dispersion containing water, one or more epoxy resins, one or more curing agents, a silane compound, a low amount of propylene carbonate (PC), and optional additives. The bonding primer composition can form substantially smooth films by spraying, and at the same time, meet environmental regulations and provide high bonding performance.

Abstract: Disclosed is a curable composition comprising an epoxy resin and a filler composition, a cured product obtained by curing said curable composition as well as the use of the cured products as electrically insulating construction material for electrical or electronic components.

Abstract: The disclosure provides a polyurethane microcapsule consisting of a polymerization product of methylene diphenyl diisocyanate (MDI) prepolymer with a polyol, the polyurethane microcapsule comprising a liquid isocyanate compound encapsulated within the microcapsule. The disclosure also provides self-healing coating compositions comprising such polymeric microcapsules and methods of preventing or slowing corrosion using such coating compositions.

Abstract: The invention relates to compositions that can be used as coatings for the inner lining of cargo tanks. The compositions comprise a mixture of epoxy resins, a curing agent, an accelerator or mixture of accelerator(s), and one or more filler(s) or pigment(s), wherein the mixture of epoxy resins comprises 60-80 wt. % of an RDGE epoxy resin and 20-40 wt. % of an epoxy novolac resin, wherein the wt. % is based upon the total weight of the mixture of epoxy resins.

Abstract: Epoxy resin compositions that include an epoxy resin component that includes at least one epoxy resin and a solvent blend that includes methyl ethyl ketone and glycol methyl ether acetate are provided. The compositions are well-suited for use in the fabrication of prepregs and composite electrical laminates made therefrom.

Abstract: A method of manufacturing a light-emitting device includes disposing a light-emitting element on a supporting member, dispersing a fluorescent substance having a particle diameter of 20 to 45 ?m in a material of the light-transmitting member at a concentration of 40 to 60 wt %, dripping raw material for the fluorescent layer on the light-emitting element while lowering the viscosity of the raw material, and thermally curing the coated layer.

Abstract: A coating composition including a functionalized resin selected from at least one of polyurethanes, epoxies, polyamides, chlorinated polyolefins, acrylics, polyesters, or mixtures or copolymers thereof, wherein the resins comprises at least one of (meth)acryl or acetoacetyl functionality; a (meth)acryl functional compound; and a functionalized silicone compound.

Abstract: The method for patterning a polymer layer arranged on a support comprises deposition of a layer made from a lithium-based polymerization inhibitor material on a first area of the support, deposition of a cationically polymerizable material on the polymerization inhibitor layer and on a second area of the support, application of polymerization treatment resulting in a non-solidified sacrificial layer in the first area and the polymer layer in the second area, and elimination of the sacrificial layer.

Abstract: A surface-treated metal material, comprising: a metal material, and a coating film disposed on the surface thereof, the coating film containing (A) an organic resin having a glass transition temperature of more than 35° C. and not more than 100° C., and (B) an organic resin having a glass transition temperature of more than 100° C. and not more than 250° C.; wherein the difference between the glass transition temperatures of the organic resins (A) and (B) is 50° C. or more. There are provided a surface-treated metal material having a coating film which contains no environmental load substance such as hexavalent chromium, and is particularly excellent in scratch resistance, press formability, and corrosion resistance after the shape processing thereof, and also a process for producing such a surface-treated metal material.

Abstract: Compounds of the formula (I), (Ia) or (Ib) wherein A1, and A? is for example (II) is 1 or 2; X is C1-C4 alkylene or CO; Y is for example O, O(CO), O(CO)O, R1 is for example hydrogen, d-dsalkyl, C3-C30cycloalkyl, phenyl, naphthyl, anthracyl, phenanthryl, biphenylyl, fluorenyl or C3-C20heteroaryl, all of which optionally are substituted; R2 and R3 for example are C1-C10haloalkylene which is optionally substituted, or R2 and R3 are phenylene, which optionally is substituted; R4 is a group (A) or a group (B); R5 and R6 for example are C1-C20alkyl; or R4 and R5 or R4 and R6 together form a straight-chain C2-C6alkylene, R5 and R6 together form a straight-chain C2-C6alkylene; R7, R8, R9 and R10 ifor example are C1-C20alkyl; M for example is C1-C20alkylene, C2-C20alkenylene, C2-C20alkynylene; R25 and R26 are for example hydrogen, C1-C20alkyl; R27, R28, R29, R30 and R31 are for example hydrogen, C1-C20alkyl, C2-C20alkenyl, C3-C20cycloalkyl, or two radicals R27 and R28, R28 and R29, R29 and R30 and/or R30 and R31 toget

Abstract: There is described (pref. non-adhesive) coating compositions (which may be either water or solvent borne) that comprise an autoxidisable vinyl polymer, the autoxidisable polymer having a vinyl polymer backbone 25% to 75% by wt of the autoxidisable polymer; fatty acid residue 25% to 75% by wt of the autoxidisable polymer; Tg from ?60° C. to +20° C., Mw from 3500 to 50000 g/mol; and polydispersity from 2 to 10; the autoxidisable polymer obtained by a process of: (A) polymerising ethylenically unsaturated vinyl monomers comprising: at least one epoxy functional vinyl monomer 15% to 100% by wt total monomers in (A); 0 to 85% of at least one other ethylenically unsaturated vinyl monomer, (preferably other than styrenic monomers) by wt total monomers in (A); (B) reacting the epoxy functional polymer from (A) with fatty acids having an average iodine value from 30 to 250 g I2/100 g fatty acid; where composition has: a) a opt.

Abstract: The present invention relates to a method for the establishment of a crack resistant epoxy paint coat and paint compositions suitable for said method. The method is developed for use in ballast tanks e.g. a ballast tank of a vessel. The method involves the steps: (i) applying a paint composition comprising an epoxy-based binder system onto the surface thereby forming a curable paint film on the surface, and (ii) allowing the curable paint film to cure thereby forming the epoxy paint coat. The paint composition has a viscosity of at the most 140 KU, when ready to be applied. The paint composition comprises 35-80% by solids volume of the paint of an epoxy-based binder system having a ratio between the hydrogen equivalents and the epoxy equivalents in the range of 20:100 to 120:100. The paint composition furthermore comprises 0.5-30% by solids volume of the paint of one or more fibers. The fibers have an average length, of at the most 250 ?m.

Abstract: A composite reinforcer capable of adhering directly to a diene rubber matrix, which can be used in particular as a reinforcing element for a tyre, comprises: one or more reinforcing thread(s), for example a thread or cord made of carbon steel; and a layer of a polymer composition which covers the said thread, individually each thread or collectively several threads, this layer comprising at least one thermoplastic polymer, the glass transition temperature of which is positive, such as, for example, a polyamide, and an epoxidized diene elastomer, such as, for example, natural rubber or a butadiene homopolymer or copolymer. A process for the manufacture of such a composite reinforcer, and a finished article or semi-finished product made of rubber, in particular a tyre, incorporating such a composite reinforcer are also disclosed.

Abstract: The present invention relates to a composition which contains a) at least one reaction product of a1) a silane of the general formula in which Y(1)=3-glycidyloxypropyl-, and R1, R2, R3=like or unlike alkyl groups having 1 to 6 carbon atoms, and a2) a silane of the general formula in which Y(2)=N-2-aminoethyl-3-aminopropyl- or NH2(CH2)2NH(CH2)2NH(CH)3, and R?1, R?2, R?3=like or unlike alkyl groups having 1 to 6 carbon atoms, and b) at least one inorganic filler, and c) a solvent having a boiling point at a temperature ?85° C., and d) water, and e) a catalyst selected from organic and inorganic acids, to a method of producing a surface coating on a polymeric surface by applying the composition of the invention, and to articles having at least one polymeric surface which have the surface coating of the invention, and to their use.

Abstract: The present invention relates to a curable coating composition, comprising: (a) a curable coating resin comprising thiol-reactive groups, (b) a thiolated norbornene curing agent for the curable coating resin, the thiolated norbornene curing agent comprising on average at least 1.0 thiol group per molecule, and (c) an accelerator for accelerating the reaction between the thiol reactive-groups on the curable coating resin and the thiol groups on the thiolated norbornene curing agent. These coating compositions can be cured at ambient temperature and provide a coated surface that can be walked on after only a couple of hours. The coating compositions in general have a VOC below 250 g/L. The coating compositions can be used for the protection of large steel structures, such as ships, buildings, bridges, industrial plants, and oil production installations.

Abstract: A process for coating a metallic surface with an aqueous composition containing a) as the main component, an organic film former consisting of at least one synthetic resin, 70 to 100 wt. % of the content of synthetic resin(s) in the organic film former comprising at least one water-soluble or/and water-dispersible synthetic resin in the form of polymers, copolymers, block copolymers or/and graft copolymers based on synthetic resins selected from the group consisting of polycarbonate, polyurethane, ionomer, poly(meth)acrylate, polyester, polyether or/and polystyrene, the content of polycarbonate and polyurethane being at least 10 wt. % each, at least one long-chain alcohol as film-forming aid for the organic film former, a crosslinker, a lubricant, and a substance based on silane, silanol or/and siloxane or/and at least one inorganic compound in particle form with an average particle diameter measured on a scanning electron microscope in the range from 0.005 to 0.

Abstract: Application of a resin to a pool surface to provide a colored finish that is ultraviolet resistant. The resin may be a powder that can be melted at a fairly low temperature and applied to the pool surface. A first later of resin may be applied to an epoxy layer that is applied to the pool surface to provide better adhesion while the epoxy is still tacky (hot-flocking). The hot-flocking causes the resin and the epoxy to blend into a single layer. An additional layer of resin may be applied after the epoxy and the first layer of resin fully cured. After the second layer of resin has cured an additional layer may be applied to provide designs and/or markings. The designs/markings may be produced with tape and/or stencils and the next layer may be applied to the non-covered areas to provide the desired look.

Abstract: A resin composition has high flame retardancy and excellent heat resistance, peel strength with copper foil, thermal expansion coefficient, heat resistance property upon moisture absorption, and electrical properties, a prepreg and single-layer or laminated sheet, a metal foil-clad laminate using the prepreg, and the like. The resin composition has polyphenylene ether (A) having a number average molecular weight of 500 to 5000, a phosphorus-containing cyanate ester compound (B) represented by formula (13), a cyclophosphazene compound (C), a halogen-free epoxy resin (D), a cyanate ester compound (E) other than the phosphorus-containing cyanate ester compound (B), an oligomer (F) of styrene and/or substituted styrene, and a filler (G), wherein a content of the phosphorus-containing cyanate ester compound (B) is 1 to 10 parts by mass based on 100 parts by mass of a total of the (A) to (F) components. wherein m represents an integer of 1 to 3.

Abstract: A coating composition containing an emulsion is provided. The emulsion contains a silicone gum, a ethylene oxide/propylene oxide copolymer and water. The coating composition is different than an acrylic composition. It is for example polyurethane, epoxy, alkyd, polyurethane-acrylic, polyester, Si-polyester, styrene-acrylic, vinyl acetate, Si-acrylics, silicone, fluoro-polymer, vinyl polymer or blends of.

Abstract: A composite reinforcer capable of adhering directly to a diene rubber matrix, which can be used in particular as a reinforcing element for a tyre, comprises: one or more reinforcing thread(s), for example a thread or cord made of carbon steel; and a layer of a polymer composition which covers the said thread, individually each thread or collectively several threads, this layer comprising at least one thermoplastic polymer, the glass transition temperature of which is positive, such as, for example, a polyamide, a poly(p-phenylene ether) and a functionalized diene elastomer, such as, for example, natural rubber or a butadiene homopolymer or copolymer, bearing functional groups chosen from epoxide, carboxyl, acid anhydride or acid ester groups. A process for the manufacture of such a composite reinforcer, and a finished article or semi-finished product made of rubber, in particular a tyre, incorporating such a composite reinforcer are also disclosed.

Abstract: The invention relates to a process for the impregnation of air core reactors or parts of air core reactors and impregnated air core reactors or parts thereof obtainable by said process.

Abstract: An intumescent coating composition having improved char yield, while maintaining its physical, mechanical, and esthetic properties comprises (a) particulate poly(phenylene ether), wherein the mean particle size of the poly(phenylene ether) is 1 to 100 micrometers; (b) a film-forming binder; (c) an acid source; (d) a blowing agent; and (e) optionally, a carbon source other than the particulate poly(phenylene ether); wherein polyolefins, homopolystyrenes, rubber-modified polystyrenes, styrene-containing copolymers, and hydrogenated and unhydrogenated block copolymers of an alkenyl aromatic compound and a conjugated diene are all absent from the composition.

Abstract: A method for producing an air bag base fabric which has a silicone rubber coating layer on at least one surface of a substrate is provided. The silicone rubber coating layer is prepared by curing a liquid silicone rubber coating composition having the low viscosity required in the coating and excellent adhesion to the air bag base fabric. An air bag base fabric produced by this method is also provided. In this method, an air bag base fabric is produced by preliminarily treating at least one surface of the textile fabric with an organosilicon compound containing an epoxy group and an alkoxy group bonded to a silicon atom in one molecule to prepare a substrate fabric containing about 0.01 to 5 parts by weight of the organosilicon compound, and coating and curing the liquid silicone rubber coating composition of particular formulation on the substrate.

Abstract: Disclosed herein are an insulating resin composition for a printed circuit board, a build-up film, a prepreg, and a printed circuit board. More specifically, disclosed herein are a build-up film prepared by using a resin composition containing a cage type silsesquioxane instead of the epoxy resin, and a multilayer printed circuit board including the build-up film or a prepreg.

Abstract: A coating material for an aluminum substrate for inkjet computer-to-plate and preparation method and use of same. The composition of the coating material is: high polymer 5-40 wt %; nano-sized and/or micro-sized oxide particles 5-30 wt %; organic solvent constituting the remainder. The high polymer is at least one selected from the group consisting of MMA-BMA-MA terpolymer resin, phenolic resin, epoxy resin, polyurethane, polyester, urea-formaldehyde resin, polyvinyl formal, polyvinyl butyral and gum arabic. The preparation method for obtaining the coating material is to mix the ingredients together and stir at room temperature. A spin coating method or a roll coating method is used to coat the coating material onto a clean aluminum substrate having not undergone electrolytic graining and anodic oxidation treatment, and then the substrate is baked, resulting in the required roughness.

Abstract: The present invention relates to a powder coating composition for low temperature cure which comprises a mixture of a carboxylic acid group containing first polyester; at least one of a second polyester having a glass transition temperature ?45° C. and/or a crystalline polycarboxylic acid; a glycidyl group containing acrylic copolymer; a further compound and/or resin having functional groups readable with the carboxylic acid groups; and a thermosetting curing catalyst. These thermosetting powder coatings are designed for coating heat-sensitive substrates such as wood, fiber board and other materials which can not withstand the excessive heat/time conditions necessary to cure traditional coatings. The powder coatings of the invention, when cured at temperatures below 150° C., produce a finish which exhibits a high gloss, smooth surface along with an outstanding hardness and weatherability.

Abstract: Disclosed is a process for applying an insulative coating to a mandrel used in an electromagnetic telemetry antenna assembly. One process includes applying a bond coat to at least a portion of an outer radial surface of a mandrel; applying an electrical isolation layer to the bond coat; applying a first sealant layer to the electrical isolation layer; and heat treating the mandrel in an oven.

Abstract: Provided is an oxygen barrier coating composition includes a resin including a compound of the following formula: where R1 is an alkyl, cycloalkyl, aryl, alkyl aryl, glycol or polyol group, where the alkyl, cycloalkyl, aryl, alkyl aryl, glycol or polyol group is substituted with one or more glycidyl groups, the alkyl group of R1 is further substituted with one or more OH, cycloalkyl, aryl, heteroaryl or glycidyl ethers or combinations thereof, and the cycloalkyl, aryl, alkyl aryl, glycol or polyol group of R1 optionally is substituted with one or more alkyl, OH, cycloalkyl, aryl, heteroaryl or glycidyl ethers or combinations thereof, and R2 is an alkyl, cycloalkyl, aryl or heteroaryl group, where the alkyl, cycloalkyl, aryl or heteroaryl group is substituted with one or more mercapto groups, and the aryl, alkyl aryl, alkyl, cycloalkyl or heteroaryl group optionally is substituted with one or more alkyl, OH, cycloalkyl, aryl, heteroaryl or glycidyl ethers or combinations thereof.

Abstract: Sizing agent-coated carbon fibers includes: a sizing agent including an aliphatic epoxy compound (A) and at least containing an aromatic epoxy compound (B1) as an aromatic compound (B); and carbon fibers coated with the sizing agent, wherein the sizing agent-coated carbon fibers have an (a)/(b) ratio of 0.50 to 0.90 where (a) is a height (cps) of a component at a binding energy (284.6 eV) assigned to CHx, C—C, and C?C and (b) is a height (cps) of a component at a binding energy (286.1 eV) assigned to C—O in a C1s core spectrum of a surface of the sizing agent applied onto the carbon fibers analyzed by X-ray photoelectron spectroscopy using AlK?1,2 as an X-ray source at a photoelectron takeoff angle of 15°.