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A long-lasting antistatic rubber mat
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An anti-static, rubber pad technology, applied in the direction of rubber layered products, chemical instruments and methods, layered products, etc., can solve the problems of incomplete compatibility, resistance increase, etc.
Active Publication Date: 2022-04-08
CHUANGXUANBAO PANTUO ANTI STATIC TECH SHANGHAI CO LTD
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However, the durability of anti-static performance has always been a problem of long-term safety that cannot be ignored and urgently needs to be paid attention to.
[0003] At present, in the international and domestic industries, the ability to achieve 1*10E6~1*10E9 ohm static dissipation is often achieved by adding an antistatic agent to the formula, but because the antistatic agent is used as a surfactant and rubber raw materials or resins The raw materials are not completely compatible, and gradually precipitate out with time or environmental influences, resulting in an increase in resistance exceeding 1*10E9 ohms
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Embodiment 1
[0031] A long-lasting anti-static rubber mat, consisting of a 0.5mm upper surface static dissipative layer and a 1.5mm lower surface static conductive layer:
[0032] The static dissipative layer is composed of the following raw materials in parts by mass:
[0034] The static conductive layer is composed of the following raw materials in parts by mass: 50% of nitrile rubber, 15% of light calcium, 5% of superconducting carbon black, 10% of high wear-resistant carbon black, 10% of TP95 plasticizer, white Ointment 7%, second accelerator 7%, zincoxide 2.5%, sulfur 0.5%, defoamer 0.%, anti-scorch agent 0.%.
[0035] The first accelerator is formed by mixing DM accelerator, PEG4000 accelerator, TT accelerator, CZ accelerator, M accelerator, and CTP accelerator in a weight ratio of 4:4:3:2:1:1;...
Embodiment 2
[0037] A long-lasting antistatic rubber mat, consisting of a 1mm upper surface static dissipative layer and a 2mm lower surface static conductive layer:
[0038] The static dissipative layer is composed of the following raw materials in parts by mass: 20% of ECO epichlorohydrin rubber, 30% of nitrile rubber, 12% of TP95 plasticizer, 30% of silicon dioxide, 3% of zinc oxide, anti-aging agent 0.6%, softener 2%, sulfur 0.4%, first accelerator 2%;
[0039] The static conductive layer is composed of the following raw materials in parts by mass: rubber 25%, light calcium 55%, superconducting carbon black 4%, high wear-resistant carbon black 4%, SD-02 plasticizer 4%, white Ointment 9%, second accelerator 1%, zinc oxide 1%, sulfur 0.6%, defoamer 0.2%, anti-scorch agent 0.2%.
[0040] The first accelerator is formed by mixing DM accelerator and PEG4000 accelerator in a weight ratio of 1:1, the rubber is formed by mixing natural rubber and styrene-butadiene rubber in a weight ratio of ...
Embodiment 3
[0042] A long-lasting antistatic rubber mat, consisting of a 2mm upper surface static dissipative layer and a 3mm lower surface static conductive layer:
[0043] The static dissipative layer is composed of the following raw materials in parts by mass: 37% of ECO epichlorohydrin rubber, 20% of nitrile rubber, 13% of TP95 plasticizer, 15% of silicon dioxide, 1% of zinc oxide, anti-aging agent 1.5%, softener 0.5%, sulfur 1%, first accelerator 11%;
[0044] The static conductive layer is composed of the following raw materials in terms of parts by mass: rubber 50%, light calcium 10%, superconducting carbon black 8%, high wear-resistant carbon black 12%, SD-02 plasticizer 1%, white Ointment 8%, second accelerator 7.2%, zinc oxide 2%, sulfur 1%, defoamer 0.5%, anti-scorch agent 0.3%.
[0045] The rubber is formed by mixing natural rubber and styrene-butadiene rubber in a weight ratio of 5:4, the first accelerator is made of PEG4000 accelerator, and the CTP accelerator is mixed in a...
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Abstract
The invention relates to a long-acting antistatic rubber mat, which includes a static dissipative layer and / or a static conductive layer, and the static dissipative layer includes the following raw materials in parts by weight: ECO chlorineether rubber, nitrile rubber, plasticizer, silicon dioxide, zincoxide, anti-aging agent, softener, sulfur, the first accelerator; the static conductive layer includes the following raw materials in parts by weight: rubber, light calcium, superconducting carbon black, high resistanceGrindingcarbon black, plasticizer, white ointment, second accelerator, zincoxide, sulfur, defoamer, anti-scorch agent. The present invention uses ECO epichlorohydrin rubber with excellent electrostatic dissipation capacity as the key raw material to achieve persistent antistatic performance, and avoids the antistatic ability not being long-lasting due to the antistatic agent being easily affected by the environment and easy to precipitate The problem. The volume resistance of the ECO epichlorohydrin rubber raw material itself can reach 10 6 ~10 8 ohms grade, with its own unique monomer structure and ion-conducting mechanism, it is very compatible with various rubbers and resins.
Description
technical field [0001] The invention relates to the field of polymer chemical materials, in particular to a long-acting antistatic rubber mat. Background technique [0002] As a commonly used anti-static material in the industrial field, anti-static rubber mats have been widely used in the electrical and electronic industries, work surfaces / floors / shelves in the fields of flammable, explosive and hazardous chemicals. But the permanence problem of anti-static performance has always been a safety and long-term problem that cannot be ignored and needs to be paid attention to urgently. Especially in the production and operation of flammable and explosive hazardous chemicals, aerospace military industry, scientific research institutes and other experimental places, a high-quality and reliable new material with long-term effective anti-static is especially needed to ensure effective and safe protection of static electricity for a long time. [0003] At present, in the internation...
Claims
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