Composite material for center plate wearing plate, center plate wearing plate and preparation method of center plate wearing plate

• Main Authors: ZHANG JINGXUN, WU HAIBIN, PENG SHAOFEI, BAO SHENGJUN, ZHANG WANQUAN, ZHU ZHIYONG, HUANG ANMIN
• Format: Patent
• Language: Chinese; English
• Published: 30.11.2021
• Subjects: AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING; CHEMISTRY; COMPOSITIONS BASED THEREON; COMPOSITIONS OF MACROMOLECULAR COMPOUNDS; MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS; METALLURGY; ORGANIC MACROMOLECULAR COMPOUNDS; PERFORMING OPERATIONS; PREVENTING DERAILING OF RAIL VEHICLES; RAIL VEHICLE SUSPENSIONS, e.g. UNDERFRAMES, BOGIES ORARRANGEMENTS OF WHEEL AXLES; RAIL VEHICLES FOR USE ON TRACKS OF DIFFERENT WIDTH; RAILWAYS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR; SHAPING OR JOINING OF PLASTICS; THEIR PREPARATION OR CHEMICAL WORKING-UP; TRANSPORTING; USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS; WHEEL GUARDS, OBSTRUCTION REMOVERS OR THE LIKE FOR RAILVEHICLES; WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

The invention discloses a composite material for a center plate wearing plate, the center plate wearing plate and a preparation method of the center plate wearing plate. The composite material comprises the following raw material components in parts by weight: 100 parts of caprolactam, 0.03-0.1 part of a catalyst, 0.03-0.1 part of a promoter, 10-30 parts of a lubricant and 2-10 parts of a heat conducting agent, wherein the lubricant comprises polytetrafluoroethylene fibers and/or ultra-high molecular weight polyethylene fibers; the center plate wearing plate comprises a base plate and a functional layer, the base plate comprises a base plate body, and the functional layer comprises the composite material; the preparation method comprises the following steps: treating the lubricant, adding caprolactam for melting, adding the catalyst, the lubricant, the heat conducting agent and the cocatalyst for heating, molding, curing and demolding. The performance of the center plate wearing plate is comprehensively impro