Leak-proof color-changeable adsorption cotton

Abstract

The invention relates to the field of materials, and particularly relates to leak-proof color-changeable adsorption cotton which comprises a surface layer, a color-changeable layer and an oil holding layer, wherein the oil holding layer is positioned between the surface layer and the color-changeable layer; a leak-proof layer is arranged outside the color-changeable layer; the oil-holding layer is a coarse polypropylene fiber melt-blowing layer, the surface layer is a fine polypropylene fiber melt-blowing layer, and the color-changeable layer is a color-changeable oil absorption material layer. The leak-proof color-changeable adsorption cotton is high in oil holding rate and convenient to use, and can change color along with oil absorption amount.

Description

technical field [0001] The invention relates to the field of materials, in particular to a leakage-proof and color-changing absorbent cotton. Background technique [0002] Various oils and hydrocarbons may leak during the process of exploitation, production, transportation and use. Once leaked, it will pollute the environment and bring harm to human health. In particular, marine oil spill accidents will cause damage to marine ecology, and with possible fires, they will pollute the atmosphere and produce a series of secondary pollution. [0003] When an oil spill occurs on the sea surface, or when an oil spill occurs in a factory and pollutes the nearby river, there are generally three methods to remove the oil pollution. One is the dispersion method, that is, the oil dispersant is used to break the oil film, making it into particles and dispersing into the water phase. In the middle, the oil dispersant accelerates the micronization process of the oil, makes the oil diffuse ...

AI Technical Summary

Problems solved by technology

However, dispersants are often highly toxic, and when the oil spill area is large, the oil removal efficiency is not high, and it is only suitable for the treatment of oil spills on the sea surface

The second is the coagulation method, that is, the oil coagulant is used to rapidly increase the viscosity of the oil, so that the slick oil is formed into lumps, which is convenient for recovery. The coagulation method is not as common as the dispersion method, because the production process is complicated, the cost is high, and the recovery is difficult.

[0005] Although the existing polymer oil-absorbing materials seldom absorb water and only selectively absorb oil, they are prone to oil leakage under pressure during use, causing secondary pollution

Moreover, these oil-absorbing materials have no obvious changes in the process of absorbing oil stains to indicate the amount of adsorbed oil stains, so it is impossible to intuitively judge whether the oil-absorbing materials are saturated. In actual use, it is often impossible to maximize the adsorption capacity of the oil-absorbing materials, causing waste

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