A latex composition shows storage stability and spray coating characteristics and gives a soft adhesive layer after drying and a one-pack type aqueous adhesive. The latex composition includes a chloroprene-based polymer latex (A) containing a chloroprene-based polymer in an amount of 50 to 85 mass % as solid matter and an acrylic polymer latex (B) having a glass transition temperature of 52 to 9 C. and containing an acrylic polymer containing a sodium alkylbenzenesulfonate having a structure represented by the Chemical Formula (1) or a sodium alkyl diphenyl ether disulfonate in an amount of 15 to 50 mass % as solid matter, in a total amount of 100 parts by mass, and additionally at least one pH regulator (C) selected from boric acid, ammonium sulfate, and amino acids having an isoelectric point of 5.5 to 6.5 in an amount of 3 to 13 parts by mass as solid matter.

Water-based adhesive composition comprising: from 30% to 60% by weight (expressed as dry content) of a chloroprene modified acrylic emulsion (A); and from 0.05% to 0.45% by weight (expressed as dry content) of a water soluble polymer (B) selected among xanthan gum and konjac gum; said composition being obtainable by a process (P) comprising a first step (i) of dissolving into water polymer (B) in the form of a powdered solid. Use of said composition, for the bonding of at least one cellulose based substrate.

Water-based adhesive composition comprising: from 30% to 60% by weight (expressed as dry content) of a chloroprene modified acrylic emulsion (A); and from 0.05% to 0.45% by weight (expressed as dry content) of a water soluble polymer (B) selected among xanthan gum and konjac gum; said composition being obtainable by a process (P) comprising a first step (i) of dissolving into water polymer (B) in the form of a powdered solid. Use of said composition, for the bonding of at least one cellulose based substrate.

A latex formulation for making an elastomeric product, more particularly an elastomeric glove. The formulation comprises a mixture of at least one base polymer, a cross-linker; and a pH adjuster, where the pH adjuster provides a pH range of 9.5 to 10.5 to the latex composition. Still further, the present invention discloses a method for preparing a latex formulation for making elastomeric products, such as an elastomeric glove, without using accelerators, zinc oxide or sulphur.

A latex formulation for making an elastomeric product, more particularly an elastomeric glove. The formulation comprises a mixture of at least one base polymer, a cross-linker; and a pH adjuster, where the pH adjuster provides a pH range of 9.5 to 10.5 to the latex composition. Still further, the present invention discloses a method for preparing a latex formulation for making elastomeric products, such as an elastomeric glove, without using accelerators, zinc oxide or sulphur.

A power transmission belt at least includes a bottom rubber layer. A rubber composition for forming the bottom rubber layer contains a rubber component, cellulose fine fibers, and short fibers. The cellulose fine fibers have an average diameter from 1 nm to 200 nm, and the rubber composition contains 0.5 parts by mass or more of the cellulose fine fibers relative to 100 parts by mass of the rubber component. The short fibers have an average diameter from 5 m to 30 m, and the rubber composition contains 1 part by mass or more of the short fibers relative to 100 parts by mass the rubber component.

A power transmission belt at least includes a bottom rubber layer. A rubber composition for forming the bottom rubber layer contains a rubber component, cellulose fine fibers, and short fibers. The cellulose fine fibers have an average diameter from 1 nm to 200 nm, and the rubber composition contains 0.5 parts by mass or more of the cellulose fine fibers relative to 100 parts by mass of the rubber component. The short fibers have an average diameter from 5 m to 30 m, and the rubber composition contains 1 part by mass or more of the short fibers relative to 100 parts by mass the rubber component.

Disclosed herein are asphalt compositions. In some embodiments, the asphalt compositions can include asphalt, a polymer, and a basic salt such as aluminum sulfate. In some embodiments, the asphalt compositions can include asphalt, a polymer, and an inorganic acid such as phosphoric acid. The asphalt compositions can include asphalt in an amount of from 50 wt % to 99.9 wt %, based on the weight of the asphalt composition. In some embodiments, the asphalt compositions can include a styrene-butadiene copolymer in an amount of from 0.05 wt % to 10 wt %, based on the weight of the asphalt composition. The basic salt can be present in an amount of from 0.01 wt % to 5 wt %, based on the weight of the asphalt compositions. The acid can be present in an amount of from 0.005 wt % to 0.1 wt %, based on the weight of the asphalt compositions. Methods of making and using the asphalt compositions are also disclosed.

Disclosed herein are asphalt compositions. In some embodiments, the asphalt compositions can include asphalt, a polymer, and a basic salt such as aluminum sulfate. In some embodiments, the asphalt compositions can include asphalt, a polymer, and an inorganic acid such as phosphoric acid. The asphalt compositions can include asphalt in an amount of from 50 wt % to 99.9 wt %, based on the weight of the asphalt composition. In some embodiments, the asphalt compositions can include a styrene-butadiene copolymer in an amount of from 0.05 wt % to 10 wt %, based on the weight of the asphalt composition. The basic salt can be present in an amount of from 0.01 wt % to 5 wt %, based on the weight of the asphalt compositions. The acid can be present in an amount of from 0.005 wt % to 0.1 wt %, based on the weight of the asphalt compositions. Methods of making and using the asphalt compositions are also disclosed.

The invention provides a novel hydrophilic polymer and latex polymer blend coating formulation and compositions thereof, and their use on various devices (e.g., prophylactic and medical devices) to form hydrophilic and flexible coatings with durable lubricity.