A latex article with static dissipating property

Inactive Publication Date: 2016-06-30
DIPPED PRODS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Benefits of technology

[0017]The unlined nitrile glove, according to the invention and which helps to reduce the surface conductivity of the glove and subsequently help the dissipation of static charge which could accumulate due to triboelectric action thanks to the conductive filler. Apart from being static dissipative this glove is economical, comfortable to the wearer

Problems solved by technology

Natural rubber has been used to provide good softness and tactile sensitivity

Method used

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  • A latex article with static dissipating property
  • A latex article with static dissipating property

Examples

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Embodiment Construction

[0018]According to a first generic non limiting example the static dissipative nitrile article and particularly the glove is made using nitrile rubber, standard sulphur / accelerator / zinc oxide formulations with a conductive filler composed of carbon and carbonaceous materials.

[0019]The said conductive filler is provided in a quantity of 2.1% to 7.4% in weight of the standard mixture of nitrile rubber, standard sulphur / accelerator, zinc oxide, preferably in the range of 6.7% to 7.1% in weight. Typical carbon and carbonaceous materials which can be used alone or in combination are carbon composites and graphite.

[0020]A typical non limiting example of a formulation of the said nitrile rubber mixture is:[0021]Nitrile rubber 100% in weight of the glove[0022]sulphur 1.3% in weight of the glove[0023]Accelerator 1.14% in weight of the glove[0024]zinc oxide 4.4% in weight of the glove

[0025]The article is obtained using a coagulant dipping process which is followed by leaching and curing cycle...

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Abstract

An elastomeric article, specifically an unsupported glove with two layers where the outer layer has ESD properties and its method of manufacturing is described here. The outer layer is especially formulated with a combination of fillers to reduce the surface resistance and volume resistance and helps to dissipate static charge which builds up as a result of triboelectric action. The wearer of this glove will not get any shock due to static charge which is experienced when wearing a conventional nitrile glove specially in applications such as spray painting

Description

FIELD OF THE INVENTION[0001]The invention relates latex articles specifically, gloves which have the ability to dissipate static charge. Industrially electrostatic dissipating gloves are used in automotive industries, in spray painting and electronic industry. Gloves that are currently in the market for the spray paint industry are mostly supported gloves most commonly with a polyurethane coating or gloves which have an electrical wire and other metal attachments that disperse electrical charge. Many of these gloves are cumbersome to the wearer due to the presence of external parts attached to it and some gloves are not quite comfortable to the wearer.[0002]The gloves used in the electronics industry are much thinner and are normally polyurethane coated nylon or dyneema gloves.BACKGROUND[0003]Static electricity is generated whenever dissimilar materials move or abrade against another object. The capacity to generate static electricity of a substance depends on the condition of the s...

Claims

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Application Information

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IPC IPC(8): A41D19/00A41D31/00
CPCA41D19/0055A41D2400/52A41D31/0066A41D19/0058A41D31/26
Inventor DANGALLA, HASININETHSINGHE, LAKSHMANFERNANDO, K.A.L.S.
Owner DIPPED PRODS
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