Magnetic leakage-stopping glue and preparation method thereof

Abstract

The invention discloses magnetic leakage-stopping glue and a preparation method thereof. The magnetic leakage-stopping glue comprises 50-70% of organosilicon rubber, 30-50% of magnetic powder, 10-30% of organic silicon resin, 30-50% of an organic solvent, 1-2% of an integrated catalyst and 1-2% of a cross-linking agent. The preparation method comprises high speed mixing, mixing, standing, slicing, strip formation, package with a barrier paper, and magnetizing. The magnetic leakage-stopping glue has magnetic conductibility and a certain magnetic force and can be adsorbed by positions around leakage defects or be directly adsorbed by a work surface of a strong magnetic leakage-stopping tool. The magnetic leakage-stopping glue directly adsorbed by a work surface of a strong magnetic leakage-stopping tool is not easily blown or scattered by a leaked medium. The magnetic leakage-stopping glue belongs to a viscoelastic body, easily deforms and can effectively fill pits of the leaked defect positions. Through cooperation with the strong magnetic leakage-stopping tool, the magnetic leakage-stopping glue can realize fast leakage stopping under pressure. The magnetic leakage-stopping glue can be widely used for emergency and rush leakage stopping of containers, pipes, tank cars and gas cylinders.

Description

technical field [0001] The invention relates to a special plugging product in the technical field of leak plugging under pressure; in particular, it relates to a magnetic plugging glue and a preparation method thereof. Background technique [0002] With the rapid development of the national economy, containers, pipelines, tank trucks and gas cylinders have been widely used in the production, storage, transportation and use of hazardous chemicals. [0003] A container refers to a closed device that contains gas or liquid and carries a certain pressure; a pipeline is a tubular device that uses a certain pressure to transport gas or liquid; The device or frame adopts the transportation equipment composed of permanent connections, including railway tank cars, automobile tank cars, long tube trailers, tank containers and tube bundle containers, etc.; gas cylinders refer to compressed gas, high (low) pressure liquefied gas, low temperature Gases, dissolved gases, adsorbed gases, ...

AI Technical Summary

Problems solved by technology

However, in practical applications, it is found that this sealing material is easily blown away or washed away by the leaking pressure medium before curing or during use, and cannot form a good seal.

The reason is that this kind of sealing material can only be realized by chemical adhesion between the working surface of the strong magnetic leakage plugging tool and the surface of the leakage defect. When there is interference from the leakage medium, it is difficult to achieve bonding and is often washed away by the leakage medium