Abstract: A polymer having N-functional imide groups is prepared from reactants that include: (a) an ethylenically unsaturated anhydride or diacid monomer; (b) at least one co-monomer that is different from (a) having an ethylenically unsaturated group that is reactive with (a); and at least one compound reactive with the anhydride or diacid functional groups of (a) that is represented by Chemical Formula I: H2N—R1. With respect to Chemical Formula I, R1 is selected from NH2 or OH. Pigment dispersions and coating compositions are also prepared with the polymers having N-functional imide groups.

Abstract: A process for producing an episulfide compound for an optical material of the present invention includes a step of chlorinating glycerin to obtain dichloropropanol; a step of epoxidizing the dichloropropanol to obtain epichlorohydrin; a step of reacting the epichlorohydrin with a sulfating agent to obtain a bis(chlorohydrin) (di)sulfide compound thought a thiol compound; a step of epoxidizing the bis(chlorohydrin) (di)sulfide compound under basic conditions to obtain an epoxy compound; and a step of reacting the epoxy compound with a sulfating agent to obtain an episulfide compound represented by following General Formula (1): wherein, in the formula, n represents 0 or 1.

Abstract: Provided are a polyurethane-modified epoxy resin composition having satisfactory operability of processing, such as casting or impregnation, in a composition state, a production method therefor, and a composition thereof. The polyurethane-modified epoxy resin is obtained by modifying a secondary hydroxyl group-containing bisphenol-based epoxy resin (a) having an epoxy equivalent from 150 g/eq to 200 g/eq and a hydroxyl equivalent from 2,000 g/eq to 2,600 g/eq with a polyol compound (b) having an Mn of 200 or more, a polyisocyanate compound (c), and a polyol compound (d) having an Mn of less than 200 serving as a chain extender. The polyurethane-modified epoxy resin uses the epoxy resin (a) in an amount from 20 wt % to 60 wt % with respect to the total amount of the respective components (a), (b), (c), and (d), and contains a polyurethane having the epoxy resin (a) added to both terminals thereof and/or one terminal thereof.

Abstract: It is to provide a more stable crystal polymorph of a clathrate compound consisting of 1,1,2,2-tetrakis(4-hydroxyphenyl)ethane and 2-phenyl-4-methyl-5-hydroxymethylimidazole (molar ratio 1:2). A novel crystal polymorph of a clathrate compound, consisting of 1,1,2,2-tetrakis(4-hydroxyphenyl)ethane and 2-phenyl-4-methyl-5-hydroxymethylimidazole (molar ratio 1:2) and has diffraction peaks at diffraction angles (2?) of 11.20°, 13.36°, 14.36°, 18.16°, 19.20°, 19.68°, 20.84°, 21.48°, 22.56°, 23.76° and 24.08° in a powder X-ray diffraction pattern as measured using a CuK? ray, can be obtained by, for example, further recrystallizing a crystal obtained by a conventionally known method or the like.

Abstract: The invention relates to a roof coating comprising a bitumen layer with embedded particles.

Abstract: A high-refractive-index hardcoat layer of a sufficiently reduced haze value can be obtained from an aqueous composition containing Si, Al and at least one of Ti and Zr, in which the ratio of the number of atoms of Ti and Zr with respect to the number of atoms of Si is 2.5 to 18, the ratio of the number of atoms of Al with respect to the number of atoms of Si is 0.08 to 0.22, and the aqueous composition has a haze value of 0.5% or less.

Abstract: The subject matter discloses a composite material comprising a first component and a second component, the first component comprising an organic element and a thermoplastic element and the second component comprising at least one element selected from the group consisting of vulcanized rubber and tire cords. The subject matter further discloses a process comprising mixing while heating under shear forces a first component comprising organic waste and thermoplastic waste with a second component comprising at least one element selected from the group consisting of vulcanized rubber and tire cords; to obtain a melt; processing the melt, the processing comprises at least cooling the melt to obtain a composite material comprising: organic element; thermoplastic element; and at least one element selected from the group consisting of vulcanized rubber and tire cords.

Abstract: Disclosed are thermoset/thermoplastic composites that include a thermoset component directly or indirectly bonded to a thermoplastic component via a crosslinked binding layer between the two. The crosslinked binding layer is bonded to the thermoplastic component via epoxy linkages and is either directly or indirectly bonded to the thermoset component via epoxy linkages. The composite can be a laminate and can provide a route for addition of a thermoplastic implant to a thermoset structure.

Abstract: An eco-friendly fire-retardant polymer composition, a molded article made from the composition, and a method of manufacturing the molded article. The composition includes: a thermoplastic resin containing polycarbonate; a bio-based resin containing polytrimethylene terephthalate extracted from a biomaterial; and an impact modifier containing a core-shell type elastomer.

Abstract: The present invention relates to a phosphazene compound and a prepreg and a composite metal laminate. The phosphazene compound has a structure as shown in Formula (I). The present invention obtains a phosphazene compound using an M group having specific components. The composite metal laminates prepared by the epoxy resin composition comprising the phosphazene compound have low dielectric properties, good heat resistance and mechanical properties and is a low dielectric material also having great economic properties and being environmental friendly.

Abstract: The present invention relates to a phosphazene compound and a composite metal laminate. The phosphazene compound with a partial structure of carboxylic esters has a structure as shown in Formula (I). The present invention obtains a phosphazene compound with a partial structure of carboxylic esters using an M group having specific components. The cured products of the phosphazene compound have good flame retardancy, heat resistance, mechanical properties, flame retardancy, and low dielectric constant, and are a low dielectric flame retardant material having great economic properties and being environmental friendly.

Abstract: The present invention describes new crosslinkers for coating compositions, their preparation, and their use.

Abstract: A balancing weight composition with excellent extrudability is provided. More specifically, the balancing weight composition includes a stainless steel and a resin base, wherein the resin base includes a polyester-based engineering plastic, an epoxy resin and an ionically cross-linked elastomer at a suitable content ratio to improve extrusion flowability, flexural strength and adhesive strength of a molded material.

Abstract: Provided is a two-component-type primer having good adhesive property with a base material, particularly a nonferrous metal, and excellent curability, without containing any chromium compound. The two-component-type primer comprises an epoxy resin, an MXDA (meta-xylenediamine) Mannich modified curing agent, a gypsum (excluding crystal gypsum), and a pigment (excluding gypsum), wherein the volume concentration of a gypsum and a pigment in a dry coating film formed with the primer is 40 to 50%.

Abstract: An epoxy resin composition including A) at least one epoxy compound, and B) a hardener composition including B1) from 0.1%-100% by weight of 2-(2,2,6,6-tetramethylpiperidin-4-yl)propane-1,3-diamine, and B2) from 99.9%-0% by weight of at least one further diamine and/or polyamine, where the stoichiometric ratio of the epoxy groups of A) and the number of active hydrogen atoms of the functional groups of B) varies from 1:2 to 2:1.

Abstract: Sizing agent-coated reinforcing fibers include reinforcing fibers and a sizing agent containing a polyrotaxane, the reinforcing fibers being coated with the sizing agent. Provided are sizing agent-coated reinforcing fibers that provide a fiber-reinforced composite material with excellent mechanical properties, a method for producing the sizing agent-coated reinforcing fibers, a prepreg including the sizing agent-coated reinforcing fibers, and a fiber-reinforced composite material with excellent mechanical properties including the sizing agent-coated reinforcing fibers.

Abstract: An epoxy resin composition includes: (A) epoxy resin; (B) a curing agent; (C) 0.1 to 10 mass % of silica filler with an average particle size of 10 nm or more and 100 nm or less; (D) 47 to 75 mass % of silica filler with an average particle size of 0.3 ?m or more and 2 ?m or less; and (E) 0.1 to 8 mass % of elastomer, wherein the component (C) and the component (D) are contained by 50.1 to 77 mass % in total.

Abstract: A glass-fiber-reinforced polycarbonate resin composition comprising: (A) 100 parts by weight of a resin component consisting of a polycarbonate-polydiorganosiloxane copolymer resin and an aromatic polycarbonate resin; (B) 10-300 parts by weight of glass fibers having a flat cross section which have an average value of a long diameter of the fiber cross section of 10-50 ?m and an average value of a ratio of the long diameter to a short diameter (long diameter/short diameter) of 1.5-8; (C) 5-25 parts by weight of an adhesion improving agent, which is at least one resin selected from the group consisting of a phenoxy resin, an epoxy resin, a glycidyl methacrylate resin, a polybutylene terephthalate resin, a polyethylene terephthalate resin and a polyarylate resin; (D) 5-45 parts by weight of a phosphorus-based flame retardant; and (E) 0.01-3 parts by weight of a fluorine-containing dripping inhibitor, wherein the polydiorganosiloxane is 0.05-4.00 wt % in the composition.

Abstract: The present invention relates to a method for producing polyether carbonate polyols, the polyether carbonate polyols having electron-poor and electron-rich double bonds, said method preferably comprising the steps of (a) providing a suspending agent and/or an H-functional starter compound and a DMC catalyst, 03) adding at least one epoxide and (y) adding carbon dioxide, an epoxide that does not contain an unsaturated group, and at least two unsaturated compounds, the unsaturated compounds in method step (y) being selected from the group comprising unsaturated epoxides and unsaturated cyclic anhydrides, and one of the unsaturated compounds having an electron-rich double bond and one of the unsaturated compounds having an electron-poor double bond. The invention also relates to the crosslinking of polyether carbonate polyols, the polyether carbonate polyols having electronpoor and electron-rich double bonds, and to the crosslinked polyether carbonates obtainable therefrom.

Abstract: A method for synthesizing a modified polymer comprising epoxide groups along the polymer chain, by a hydrosilylation reaction of the unsaturations with a hydrosilane bearing an epoxide function in the presence of a suitable catalyst is provided. The method is simple, reproducible and able to be used on an industrial scale, and makes it possible to obtain high grafting yields, since they may reach 100%.