The present invention provides an latex auxiliary composition for producing a latex solution, comprising: a sulfur-free crosslinking agent, which has aluminum oxide, calcium chloride, magnesium oxide, and zirconium dioxide; and a biomass filler, which has sorbitol, polyacrylate, laurate, 1,2-glycerol diacetate, and 1,3-glycerol diacetate; wherein when the sulfur-free crosslinking agent and biomass filler are added to the latex solution, based on 100 parts of the latex, the amount of the sulfur-free crosslinking agent is 0.1˜5.0 parts, and the amount of the biomass filler is 0.1˜20.0 parts.

An exemplary embodiment provides a method for preparing a latex composition for dip forming, the method including: (a) preparing a monomer mixture including a conjugated diene-based monomer, an ethylenically unsaturated nitrile monomer and an ethylenically unsaturated acid monomer; (b) introducing an additive including an inorganic solvent, an emulsifier and starch into the monomer mixture; and (c) preparing a copolymer latex by polymerizing the monomer mixture, wherein a content of the starch is 0.1 to 4.9 parts by weight with respect to 100 parts by weight of the monomer mixture.

An exemplary embodiment provides a method for preparing a latex composition for dip forming, the method including: (a) preparing a monomer mixture including a conjugated diene-based monomer, an ethylenically unsaturated nitrile monomer and an ethylenically unsaturated acid monomer; (b) introducing an additive including an inorganic solvent, an emulsifier and starch into the monomer mixture; and (c) preparing a copolymer latex by polymerizing the monomer mixture, wherein a content of the starch is 0.1 to 4.9 parts by weight with respect to 100 parts by weight of the monomer mixture.

The present invention is directed to a pneumatic tire having a tread comprising a vulcanizable rubber composition comprising, based on 100 parts by weight of elastomer (phr), up to 100 phr of a solution polymerized styrene-butadiene rubber; from 5 to 50 phr of a fatty acid monoester of formula 1 ##STR00001##
where R.sup.1 is selected from C1 to C8 linear or branched alkyl, C1 to C8 linear or branched alkenyl, and C2 to C6 linear or branched alkyl substituted with from one to five hydroxyl groups; R.sup.2 is C11 to C21 alkyl or C11 to C21 alkenyl; from 5 to 50 phr of a hydrocarbon resin having a Tg ranging from −40° C. to 20° C.; less than 10 phr of a petroleum-derived oil; and from 50 to 130 phr of silica. optionally, from about 1 to 50 phr carbon black.

Provided is a method for preparing a latex composition for dip forming, the method including: (a) preparing a monomer mixture including a conjugated diene-based monomer, an ethylenically unsaturated nitrile monomer and an ethylenically unsaturated acid monomer; (b) introducing starch, an emulsifier and an inorganic solvent into the monomer mixture; and (c) preparing a copolymer latex by introducing a polymerization initiator, wherein the copolymer includes the starch in a main chain thereof.

Provided is a method for preparing a latex composition for dip forming, the method including: (a) preparing a monomer mixture including a conjugated diene-based monomer, an ethylenically unsaturated nitrile monomer and an ethylenically unsaturated acid monomer; (b) introducing starch, an emulsifier and an inorganic solvent into the monomer mixture; and (c) preparing a copolymer latex by introducing a polymerization initiator, wherein the copolymer includes the starch in a main chain thereof.

Provided is a method for preparing a latex composition for dip forming, the method including: (a) preparing a monomer mixture including a conjugated diene-based monomer, an ethylenically unsaturated nitrile monomer and an ethylenically unsaturated acid monomer; (b) introducing starch, an emulsifier and an inorganic solvent into the monomer mixture; and (c) preparing a copolymer latex by introducing a polymerization initiator, wherein the copolymer includes the starch in a main chain thereof.

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.

Provided is a dip-molded article, and more particularly, provided are a dip-molded article including: a layer derived from a latex composition for dip-molding; and a layer derived from a polymer including a repeating unit derived from a diacetylene-based compound, a latex composition for dip-molding, and a preparation method thereof.