The present application relates to a sizing agent composition, a carbon fiber material and a composite material. The sizing agent composition includes a first composition solution and a second composition solution, and those solutions respectively has specific compound. The sizing agent comprising the composition has an excellent bonding property with a carbon fiber, and further the sizing agent can efficiently enhance heat resistance, wear resistance and processability of the carbon fiber material. The carbon fiber material sized with the sizing agent has a high adhesion property with specific resin material, therefore producing the composite material with high processability.

This invention relates to an adhesive composition for a tire cord, a tire cord including an adhesive layer formed from the adhesive composition, and a tire including the tire cord. According to the present disclosure, an environment-friendly adhesive composition for a tire cord that can not only improve adhesive strength between tire rubber and a tire cord, but can also improve strength of a tire cord is provided.

This invention relates to an adhesive composition for a tire cord, a tire cord including an adhesive layer formed from the adhesive composition, and a tire including the tire cord. According to the present disclosure, an environment-friendly adhesive composition for a tire cord that can not only improve adhesive strength between tire rubber and a tire cord, but can also improve strength of a tire cord is provided.

Provided is a sheet molding compound having excellent thick portion-molding properties that can inhibit the occurrence of internal cracks even during the molding of a thick portion and enables a carbon fiber composite material molded article to be excellently released from a die. Also provided is a carbon fiber composite material molded article. The sheet molding compound of the present invention contains a fiber substrate (A) containing carbon fiber and a thermosetting resin composition (B), in which an average fiber length of the carbon fiber is 5 mm or more, and a volumetric molding shrinkage rate of the thermosetting resin composition (B) is 0.5% or more and 4.4% or less. Furthermore, the carbon fiber composite material molded article of the present invention has a thick portion having a thickness of 10 mm or more, in which the thick portion is formed of a cured material of the sheet molding compound of the present invention.

Provided is a sheet molding compound having excellent thick portion-molding properties that can inhibit the occurrence of internal cracks even during the molding of a thick portion and enables a carbon fiber composite material molded article to be excellently released from a die. Also provided is a carbon fiber composite material molded article. The sheet molding compound of the present invention contains a fiber substrate (A) containing carbon fiber and a thermosetting resin composition (B), in which an average fiber length of the carbon fiber is 5 mm or more, and a volumetric molding shrinkage rate of the thermosetting resin composition (B) is 0.5% or more and 4.4% or less. Furthermore, the carbon fiber composite material molded article of the present invention has a thick portion having a thickness of 10 mm or more, in which the thick portion is formed of a cured material of the sheet molding compound of the present invention.

A power transmission belt having a belt body, a tensile cord embedded in the belt body, and a jacket defining a pulley contact surface, where the jacket has been treated on at least the pulley contact surface with an aqueous fabric treatment or dip which includes an aqueous PEEK dispersion as part of the dip. The aqueous dip may further include an epoxy and a rubber latex. The aqueous dip may further include graphene or graphene oxide. The fabric may include aramid or nylon fibers. The jacket may cover the teeth of a toothed belt.

Textile reinforced elastomeric composites having a textile reinforcement embedded in an elastomeric matrix. The textile reinforcement includes fibers or yarns and an adhesive treatment applied to the fibers wherein the adhesive treatment comprises graphene or graphene oxide. The textile reinforcement may be a fabric or a tensile cord. The fibers may be polyester, aramid, carbon fiber, glass fiber, PBO, PEN, or polyamide. The adhesive treatment may be an epoxy treatment, an epoxy-latex treatment, an acrylic polymer treatment, a latex treatment, a polyurethane treatment, an RFL treatment, a rubber cement, or combinations thereof. The composite may be in the form of a toothed belt wherein the textile reinforcement is a tooth cover or a helically wound tensile cord embedded in the belt.

Textile reinforced elastomeric composites having a textile reinforcement embedded in an elastomeric matrix. The textile reinforcement includes fibers or yarns and an adhesive treatment applied to the fibers wherein the adhesive treatment comprises graphene or graphene oxide. The textile reinforcement may be a fabric or a tensile cord. The fibers may be polyester, aramid, carbon fiber, glass fiber, PBO, PEN, or polyamide. The adhesive treatment may be an epoxy treatment, an epoxy-latex treatment, an acrylic polymer treatment, a latex treatment, a polyurethane treatment, an RFL treatment, a rubber cement, or combinations thereof. The composite may be in the form of a toothed belt wherein the textile reinforcement is a tooth cover or a helically wound tensile cord embedded in the belt.

A fine cellulose fiber composite in which a modifying group is bound to a carboxy group of fine cellulose fibers, the fine cellulose fibers having a carboxy group content of 0.1 mmol/g or more, wherein the fine cellulose fiber composite has an average aspect ratio of 1 or more and 150 or less; and a resin composition containing the fine cellulose fiber composite and a resin. The resin composition containing a fine cellulose fiber composite of the present invention has excellent heat resistance, and the molded article of this resin composition has excellent mechanical strength, heat resistance, and dimensional stability. Accordingly, the present invention can be suitably used in various industrial applications such as daily sundries, household electric appliance parts, wrapping materials for household electric appliance parts, and automobile parts.

A fine cellulose fiber composite in which a modifying group is bound to a carboxy group of fine cellulose fibers, the fine cellulose fibers having a carboxy group content of 0.1 mmol/g or more, wherein the fine cellulose fiber composite has an average aspect ratio of 1 or more and 150 or less; and a resin composition containing the fine cellulose fiber composite and a resin. The resin composition containing a fine cellulose fiber composite of the present invention has excellent heat resistance, and the molded article of this resin composition has excellent mechanical strength, heat resistance, and dimensional stability. Accordingly, the present invention can be suitably used in various industrial applications such as daily sundries, household electric appliance parts, wrapping materials for household electric appliance parts, and automobile parts.