The invention relates to an elastomeric film-forming composition (a) a carboxylated butadiene-based elastomer, (b) polychlorobutadiene in an amount of less than 30% by weight of the polymer content of the composition, and (c) one or more cross-linking agents. The invention also relates to dipped articles, gloves, methods of manufacture and uses involving the composition.

The fragrant gel polymer system is a process where a complete fragrance formulation remains whole and is then blended with either a polymer or a cross-linking agent. The non-fragrance carrying polymer is then liquefied and made homogenous with a solvent, including esters. The solvents modify viscosity and ease the mixing of the non-fragrance carrying polymer with the fragrance carrying polymer. The method also provides surfactants and wetting agents for further integration and mixing of the fragrance oils with either the polymer or the cross-linking agent during the steps of the process. Mixing of the fragrance carrying polymer and the non-fragrance polymer results in a gel that sets in less time and with less syneresis than existing processes.

This application relates to synthetic elastomeric articles, such as gloves, comprising the cured product of a synthetic latex composition, the synthetic latex composition comprising a synthetic carboxylated polymer and a cross-linking composition, the cross-linking composition comprising an aqueous solution of a negatively charged multivalent metal complex ion having a pH of at least 9.0. Also described are compositions for forming the articles, and methods for making the articles, based on the use of the described cross-linking composition. The articles, compositions and methods contain an aqueous solution of a multimetal oxide of the multivalent metal, a hydroxide of the multivalent metal, or a salt of the multivalent metal, such as sodium aluminate, in an amount of less than 0.3 phr. The articles produced have a thickness of between 0.01-3 mm and an unaged tensile strength of at least 15 MPa.

The present disclosure provides, among other things, surface coverings with a protective coat applied thereto a rubber material. As provided herein, in some embodiments, a surface covering has or includes an exposed surface that is no-wax. The present disclosure further provides methods of making, and methods of using. Such surface coverings have surprising and beneficial attributes. They are particularly advantageous as resistant to soiling and abrasion. These surface covering are also resistant to crumbling under load. Such surface coverings would be useful as flooring products with desirable properties. In particular, such abrasion and soil resistant surfaces could be useful as a rubber flooring product.

Disclosed are thermoplastic vulcanizates comprising a plastic phase and a rubber phase and process for preparing such thermoplastic vulcanizates, wherein the plastic phase comprises a thermoplastic polymer and the rubber phase comprises a carboxylated nitrile rubber.

A method of making a polymer article comprises the steps of making a polymer solution by mixing a first compound containing carbodiimide groups with a second compound containing carboxylated groups, applying the polymer solution to a former, wherein the step of applying occurs within 2 hours of the making of the polymer solution, and curing the polymer solution. The polymer solution can have a pH adjuster consisting of ammonium hydroxide.

The invention relates to an elastomeric film-forming composition (a) a carboxylated butadiene-based elastomer, (b) polychlorobutadiene in an amount of less than 30% by weight of the polymer content of the composition, and (c) one or more cross-linking agents. The invention also relates to dipped articles, gloves, methods of manufacture and uses involving the composition.

A dielectric film includes an elastomer, and metallic oxide particles having a particle diameter of 100 nm or less that are chemically bonded to the elastomer and are dispersed in the elastomer in a state of primary particles. A method for manufacturing the dielectric film includes: a chelating process of adding a chelating agent to an organometallic compound to produce a chelate compound of the organometallic compound; a sol manufacturing process of adding an organic solvent and water to the chelate compound to obtain a sol of metallic oxide particles produced by the hydrolytic reaction of the organometallic compound; a mixed solution preparing process of mixing the sol of the metallic oxide particles and a polymer solution containing a rubber polymer having functional groups that optionally react with hydroxy groups; and a film forming process of applying the mixed solution onto a substrate, and curing the resultant coating film.

The present disclosure provides, among other things, surface coverings with a protective coat applied thereto a rubber material. As provided herein, in some embodiments, a surface covering has or includes an exposed surface that is no-wax. The present disclosure further provides methods of making, and methods of using. Such surface coverings have surprising and beneficial attributes. They are particularly advantageous as resistant to soiling and abrasion. These surface covering are also resistant to crumbling under load. Such surface coverings would be useful as flooring products with desirable properties. In particular, such abrasion and soil resistant surfaces could be useful as a rubber flooring product.

Provided is a method for producing a cross-linkable rubber composition, comprising: a first step of providing a carboxyl group-containing nitrile copolymer rubber (A) having an iodine value of 120 or less; a second step of mixing an acrylic rubber (b1) with an aromatic polyamine cross-linking agent (b2) to obtain a masterbatch (B); and a third step of mixing the carboxyl group-containing nitrile copolymer rubber (A) with the masterbatch (B).