High-temperature-resistant and corrosion-resistant rubber tube and preparing method thereof

Abstract

The invention discloses a high-temperature-resistant and corrosion-resistant rubber tube and a preparing method thereof. Low-density polyethylene, ultra-high molecular weight polyethylene and macromolecular crosslinked polyethylene are used as raw materials, a lining film is prepared from chemical substances which have excellent bonding performance and are obtained after scientific compounding and vulcanization of a rubber pipe, and corona treatment is conducted on the bonding surface of the lining film and the bonding surface of the rubber pipe at the same time; glass fiber reinforced plastic reinforced fibers having the radiation protection performance are combined on the surface layer, so that the surface of the rubber pipe has the excellent radiation protection performance, and potential safety hazards caused by ionization radiation of a delivery pipeline are avoided; and finally the high-temperature-resistant and corrosion-resistant rubber tube which is provided with the firmly-bonded lining film, has the good radiation protection performance and can be used for delivering liquefied petroleum gas (LPG), liquefied natural gas (LNG) and extremely corrosive chemical solvent is prepared. The absorptivity to X rays and gamma rays in nuclear radiation and various neutrons of the hose can reach 97.5%-99.5%, and the binding force of the lining film and the rubber layer reaches 160-180 N / 25mm.

Description

technical field [0001] The invention relates to the preparation of rubber tubes, in particular to a high-temperature-resistant and corrosion-resistant rubber tube and a preparation method thereof. Background technique [0002] After more than 50 years of development, my country's rubber hose belt industry has played an indispensable supporting role in the national economy. Especially with the improvement of my country's mechanization level and the application of new materials, the rubber hose belt industry has continuously penetrated into related fields. The application range and fields of rubber hose belts have been opened up, and the products are widely used in coal, metallurgy, cement, ports, mines, petroleum, automobiles, textiles, light industry, engineering machinery, construction, marine, agriculture, aviation, aerospace and other fields. In recent years, the rubber hose and belt industry has adhered to the scientific development concept, and the product varieties, spe...

AI Technical Summary

Problems solved by technology

[0008] The technical problem solved by the present invention is to overcome the defects of the existing corrosion-resistant rubber tubes, using low-density polyethylene (LLDPE), ultra-high molecular weight polyethylene (UHMWPE) and polymer cross-linked polyethylene as the main raw materials, scientifically compounding and After vulcanization of the rubber tube, the lining film is prepared from chemical substances such as polyimide, tetraethylpentamine, α-sulfo fatty acid alkyl ester salt, epoxy resin, SBR latex, rosin, etc., which have excellent bonding properties. Corona treatment is carried out on the bonding surface of the inner lining film and the bonding surface of the rubber tube to enhance its cohesiveness, and the surface layer is compounded with fiberglass reinforced fiber with radiation-proof performance, so that the surface layer of the rubber tube has excellent anti-corrosion properties. radiation, especially to solve the potential safety hazards caused by ionizing radiation for pipelines transporting oil and natural gas, and finally prepare a lining film that is firmly bonded, has strong radiation resistance, and can transport LPG, LNG and strong corrosive chemical solvents. High temperature, corrosion resistant rubber hose