种聚醚醚酮改性聚四氟乙烯复合材料、轴承保持架及其制备方法

• Format: Patent
• Language: Chinese
• Published: 25.08.2017
• Subjects: AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING; BEARINGS; BLASTING; CHEMISTRY; CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TOTRANSPORTATION; COMPOSITIONS BASED THEREON; COMPOSITIONS OF MACROMOLECULAR COMPOUNDS; ELEMENTS OR CRANKSHAFT MECHANISMS; ENGINEERING ELEMENTS AND UNITS; FLEXIBLE SHAFTS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; HEATING; LIGHTING; MECHANICAL ENGINEERING; METALLURGY; ORGANIC MACROMOLECULAR COMPOUNDS; PERFORMING OPERATIONS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; SHAFTS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR; SHAPING OR JOINING OF PLASTICS; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS; TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE; 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

本发明公开了种聚醚醚酮改性聚四氟乙烯复合材料、轴承保持架及其制备方法，该复合材料由以下质量百分比的组分组成：聚醚醚酮18％～25％、二硫化钨5％～8％，其余为聚四氟乙烯。本发明的复合材料，由聚四氟乙烯、聚醚醚酮与二硫化钨组成，聚醚醚酮具有良好的耐温、耐水解、抗压、耐腐蚀性能，同时其摩擦系数低、耐磨耗；二硫化钨具有较高的抗压强度及抗氧化性能、很低的摩擦系数；聚醚醚酮和二硫化钨作为填充剂对聚四氟乙烯进行改性，所得复合材料既保留了聚四氟乙烯的润滑性能，同时提高了聚四氟乙烯的尺寸稳定性、抗压性及耐磨性，热变形温度也较纯聚四氟乙烯材料显著提高，满足了长寿命轴承对保持架材料的要求。