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Thiosalicylic acid is an organosulfur compound containing carboxyl and sulfhydryl functional groups. Its molecular formula is C₆H₄(SH)(CO₂H). it is a yellow solid that is slightly soluble in water, ethanol and diethyl ether, and alkanes, but more soluble in DMSO.
A high-temperature-resistant hydraulic brake hose and a preparation method thereof
This invention relates to the field of rubber materials technology, and proposes a high-temperature resistant hydraulic brake hose and its preparation method. A high-temperature resistant hydraulic brake hose comprises, from the inside out: an inner rubber layer, a first reinforcing layer, a middle rubber layer, a second reinforcing layer, and an outer rubber layer; both the inner and outer rubber layers are composed of rubber compounds, which include the following raw materials in parts by weight: 100 parts EPDM rubber, 20-30 parts fluorosilicone rubber, 50-70 parts modified carbon black, 13-15 parts first silica, 4-6 parts first zinc oxide, 2-3 parts first stearic acid, 5-10 parts first plasticizer, 1-2 parts dicumyl peroxide, 3-5 parts first accelerator, and 2-4 parts antioxidant; the modified carbon black is obtained by modifying the first carbon black with thiosalicylic acid. This technical solution solves the problem of poor high-temperature resistance in hydraulic brake hoses in related technologies.
Owner:JIZHOU JINXING RUBBER PROD