A latex formulation for making elastomeric product, more particularly an elastomeric glove comprising a mixture of at least one base polymer, a cross-linker; and a pH adjuster, where the pH adjustor providing a pH range of 9.5 to 10.5. Still further, the present invention discloses a method for preparing a latex formulation for making elastomeric product, more particularly an elastomeric glove without using accelerators, zinc oxide and sulphur, which comprises the steps of mixing a base polymer with a pH adjuster, stirring the mixture for time period ranging from 20 minutes to 30 minutes, adding a cross-linker to the mixture, stirring said mixture for an hour, optionally adding at least one or more additive to said mixture, adding water to said mixture to achieve a total solid content (TSC) ranging in between 13% to 30% by w/w, allowing said mixture to mature.

According to a method for the manufacture of a prophylactic article, especially of a glove, from a (carboxylated) diene rubber, at least one layer of a (carboxylated) diene latex is applied on a former and the (carboxylated) diene latex is cross-linked with a cross-linking agent, wherein a mercapto-functional siloxane polymer is used as cross-linking agent.

Provided among other things is an elastomeric article providing a chemical barrier, the article having a layered structure comprising a sequential laminate of: (a) a latex-based elastomeric polymeric barrier layer; (b) a non-reactive tie adhesive resin layer comprising oxo ((C?O)) groups; and (c) a polyamide layer; wherein the layered structure has a first side nearest the latex-based elastomeric polymeric barrier layer and a second side; wherein the layered structure is effective to provide a chemical permeation time in excess of 100 minutes pursuant to EN 16523-1:2015 for benchmark solvents of acetone, ethyl acetate and methanol, when applied to the first side, and in excess of 100 minutes for acetone when applied to the second side; and wherein the elastomeric layer is primarily not polyolefin.

A dip-molded article includes an external molded layer and internal molded layer. The external molded layer includes a content of an ethylenically unsaturated nitrile-based monomer-derived repeating unit is 35 wt % to 60 wt %, and the internal molded layer in which a content of an ethylenically unsaturated nitrile-based monomer-derived repeating unit is 10 wt % to 28 wt %.

A latex composition is formed by adding an aqueous solution of an aluminum compound to a latex of a carboxyl group-containing synthetic polyisoprene and/or a carboxyl group-containing styrene-isoprene-styrene block copolymer. In the latex composition, the aqueous solution of an aluminum compound preferably has a pH of 5 to 13. In the latex composition, the aqueous solution of an aluminum compound is preferably an aqueous solution of a metal salt of aluminate.

A formulation of nitrile glove made from carboxylated acrylonitrile butadiene elastomer comprising an aluminum and zinc oxide compound as a crosslinker and a metal ion stabilizer without sulfur and accelerator for decreasing type IV allergy risk and providing a cost down method of increasing filler loading ability of carboxylated acrylonitrile butadiene latex.

The present invention relates to a latex composition for dip-forming including two different types of carboxylic acid modified-nitrile based copolymer latex, and a dip-formed article prepared therefrom having excellent durability for sweat, and having high tensile strength and elongation percentage. Accordingly, the latex composition for dip-forming has excellent tensile strength, elongation percentage, stress and durability, and is useful in industries requiring these, for example, a rubber glove industry and the like.

A method for producing a conductive film having a substrate and a conductive layer disposed on the substrate has a first step of forming a precursor layer on the substrate, the precursor layer including a metal component or its precursor, a water-insoluble polymer X having a cross-linking group, a water-insoluble polymer Y having a reactive group that reacts with the cross-linking group, and a water-soluble polymer Z different from polymer X and polymer Y; a second step of reacting the cross-linking group in the water-insoluble polymer X with the reactive group in the water-insoluble polymer Y; and a third step of forming the conductive layer by removing the water-soluble polymer Z.

The present invention is directed to a plug for sealing a puncture in a tyre, whereby the plug comprises a head portion and a tail portion, the head portion comprising: a porous material that comprises open pores and capable of absorbing >0.02 grams of water per gram of porous material; and an accelerant selected from the group consisting of a salt, a polar solvent, an acid, and any combinations thereof, wherein the accelerant is retained in the pores of the porous material and is configured to react on contact with a curable sealant selected from the group consisting of anionic stabilized sealants, steric stabilized sealants and anionic colloidal dispersions thereby reducing curing time of the sealant, and wherein the porous material does not comprise the sealant.

A scrubbing article 10 including a substrate 12 and a texture layer 14. The texture layer 14 is formed on to a surface 16 of the substrate 12 and includes a multiplicity of microparticles. In some embodiments, the multiplicity of microparticles comprises plastic microbubbles and/or ceramic microspheres that are substantially spherical. In related embodiments, at least some of the ceramic microspheres are solid, and in other embodiments at least some of the ceramic microspheres are glass microbubbles. The substrate 12 can assume various forms, such as nonwoven, fabric (e.g., woven or knitted), foam, film and sponge material or combinations thereof.