A41D19/0055

RUBBER GLOVE

The present disclosure provides a rubber glove having a multilayer structure, which has high adhesion between layers, excellent resistance to ketones, and excellent dexterity. The rubber glove of the present disclosure includes an inner layer composed of a crosslinked product of a rubber composition (1) containing acrylonitrile-butadiene rubber; and an outer layer composed of a crosslinked product of a rubber composition (2) containing acrylonitrile-butadiene rubber and chloroprene rubber, wherein the inner layer and the outer layer are adjacent to each other, and two or more types of chloroprene rubber having different crystallization rates are used as the chloroprene rubber.

Dip Molding Emulsion and Glove
20230399495 · 2023-12-14 ·

Provided is, a glove production method including: (1) the step of immersing a glove forming mold in a liquid coagulant containing calcium ions so as to allow the coagulant to adhere to the glove forming mold; (2) the dispersion step of leaving a dip molding composition to stand with stirring; (3) the dipping step; (4) the gelling step; (5) the leaching step; (6) the beading step; (7) the precuring step; and (8) the curing step, in which method the steps (3) to (8) are performed in the order mentioned, and the dip molding composition has a specific formulation.

SEMI TRANSPARENT NITRILE GLOVE

A semi transparent nitrile glove comprising nitrile latex, caustic alkali accelerators, vulcanizing agents, stabilizer and antifoaming agent, wherein the nitrile latex is any one selected from either acrylonitrile butadiene copolymer or carboxylated acrylonitrile butadiene copolymer, wherein the caustic alkali is a combination of either potassium hydroxide and ammonia or sodium hydroxide and ammonia, wherein the accelerators are chemical compounds of dithiocarbamates, wherein the vulcanizing agents are selected from both ionic and covalent vulcanizing agents, wherein the stabilizer is any one of either sodium dodecylbenzene sulfonate or sodium dodecyl sulfate and wherein the antifoaming agent is any one from a group consisting of silicone based antifoam, non-silicone based antifoam, oil based antifoam and water based antifoam wherein the semi transparent glove is without pigment and without titanium dioxide.

DIP MOLDING COMPOSITION, METHOD OF PRODUCING GLOVE, AND GLOVE
20210179820 · 2021-06-17 ·

Provided is, a glove production method including: (1) the step of immersing a glove forming mold in a liquid coagulant containing calcium ions so as to allow the coagulant to adhere to the glove forming mold; (2) the dispersion step of leaving a dip molding composition to stand with stirring; (3) the dipping step; (4) the gelling step; (5) the leaching step; (6) the beading step; (7) the precuring step; and (8) the curing step, in which method the steps (3) to (8) are performed in the order mentioned, and the dip molding composition has a specific formulation.

Enhanced Grip Heat Resistant Disposable Dental Medical Gloves
20210186131 · 2021-06-24 ·

Disposable (or multi-use) gloves are made of latex, nitrile, or any other common material seen in current medical/dental gloves, with the addition of a thicker neoprene, polyurethane, polysuede, or suede-like material overlaid, or embedded, at the tips to allow for protection from heat or cold and enhanced grip for small (possibly wet) items such as crowns.

Gloves can have multiple applications: As described above, for dental hygienists, nurses, doctors, laboratory personnel, jewelers, watch makers, veterinarians, vet techs, do-it-yourselfers/employees working on automobiles/computers/soldering, crafters, anyone working on projects requiring enhanced finger grip as well as fingertip protection from extreme heat or cold.

Glove, Composition for Dip Molding, and Method for Producing Glove

A glove including a cured film of an elastomer containing a (meth)acrylonitrile-derived structural unit, an unsaturated carboxylic acid-derived structural unit and a butadiene-derived structural unit in a polymer main chain, wherein the elastomer contains 20 to 40% by weight of a (meth)acrylonitrile-derived structural unit, 1 to 10% by weight of an unsaturated carboxylic acid-derived structural unit and 50 to 75% by weight of a butadiene-derived structural unit, and has a crosslinked structure of a carboxyl group in the unsaturated carboxylic acid-derived structural unit with an epoxy crosslinker containing an epoxy compound having three or more epoxy groups in one molecule.

COATING COMPOSITION AND ELASTOMERIC ARTICLE CONTAINING THE SAME
20210147649 · 2021-05-20 ·

A coating composition, an elastomeric article having the coating composition and a process for making coated elastomeric articles are disclosed in the present invention. The coating composition comprises 0.5% to 11% by weight/volume of at least one cooling agent; 0.5% to 11% by weight/volume of at least one non-ionic surfactant; and water, wherein rest of the coating composition is made of water. The coated elastomeric articles prepared according to the present invention improve user's sensory experience of wearing the elastomeric articles for long durations without varying the user's hand temperature or limiting mobility of the user's hand.

Compositions for synthetic polyisoprene latex articles

The present disclosure relates to synthetic polyisoprene elastomeric articles including: one or more cured blend compositions of pre-vulcanized synthetic polyisoprene particles and non-prevulcanized synthetic polyisoprene particles, wherein the pre-vulcanized synthetic polyisoprene particles and the non-prevulcanized synthetic polyisoprene particles are bonded by mono-sulfidic and/or di-sulfidic, and poly-sulfidic crosslinks, wherein the poly-sulfidic crosslinks are present in an amount of 60 to 79 percent of the total amount of crosslinks in the cured blend composition. Methods of making synthetic polyisoprene elastomeric articles such as gloves or condoms is also disclosed.

COMPOSITIONS FOR SYNTHETIC POLYISOPRENE LATEX ARTICLES

The present disclosure relates to synthetic polyisoprene elastomeric articles including: one or more cured blend compositions of pre-vulcanized synthetic polyisoprene particles and non-prevulcanized synthetic polyisoprene particles, wherein the pre-vulcanized synthetic polyisoprene particles and the non-prevulcanized synthetic polyisoprene particles are bonded by mono-sulfidic and/or di-sulfidic, and poly-sulfidic crosslinks, wherein the poly-sulfidic crosslinks are present in an amount of 60 to 79 percent of the total amount of crosslinks in the cured blend composition. Methods of making synthetic polyisoprene elastomeric articles such as gloves or condoms is also disclosed.

Carboxylic acid-modified nitrile-based copolymer latex and latex composition for dip molding comprising same

The present invention relates to a carboxylic acid-modified nitrile-based copolymer latex, a preparation method for producing the same, a latex composition for dip-molding comprising the same, and a molding product prepared therefrom, more particularly to a carboxylic acid-modified nitrile-based copolymer latex capable of ensuring physical properties equivalent to or better than those using sulfur and vulcanization accelerators or cross-linking agents such as zinc oxide without using them by preparing the latex so that a large amount of anionic compound is present on the surface of the latex particles, a preparation method for producing the same, a latex composition for dip-molding comprising the same, and a molding product prepared therefrom.