High-pressure-resistant high-temperature-resistant anti-radiation flexible composite pipeline and preparation method and application thereof

• Main Authors: MA HAIRUI, ZHANG HONGXIA, LIU ZHOUXIN, LIU YIMING, WANG QINGHUA, MA HAIQING, NO, QINGLIN
• Format: Patent
• Language: Chinese; English
• Published: 29.03.2024
• Subjects: AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING; BLASTING; CHEMISTRY; COMPOSITIONS BASED THEREON; COMPOSITIONS OF MACROMOLECULAR COMPOUNDS; ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS; HEATING; JOINTS OR FITTINGS FOR PIPES; LIGHTING; MEANS FOR THERMAL INSULATION IN GENERAL; MECHANICAL ENGINEERING; METALLURGY; ORGANIC MACROMOLECULAR COMPOUNDS; PERFORMING OPERATIONS; PIPES; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR; SHAPING OR JOINING OF PLASTICS; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; THEIR PREPARATION OR CHEMICAL WORKING-UP; THERMAL INSULATION IN GENERAL; TRANSPORTING; USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS; WEAPONS; WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

The invention belongs to the technical field of flexible composite pipes. The invention provides a high-pressure-resistant, high-temperature-resistant and radiation-resistant flexible composite pipeline and a preparation method and application thereof. The flexible composite pipeline comprises a composite inner rubber layer, a plurality of reinforcing layers and a composite outer rubber layer. The composite inner rubber layer is prepared from polyimide, silicone rubber, polyurethane, filler and a curing agent; the composite outer rubber layer is prepared from the following raw materials: silicone rubber, ethylene propylene diene monomer, wear-resistant filler, an anti-radiation agent and a curing agent; the multiple reinforcing layers are an asbestos/glass fiber layer, a stainless steel wire layer and a high-strength fiber layer from inside to outside in sequence. The flexible composite pipe is excellent in high-pressure and high-temperature resistance, wear resistance and radiation resistance, high in streng