一种低介电损耗型聚四氟乙烯微波板材及其制备方法

• Format: Patent
• Language: Chinese
• Published: 26.04.2022
• Subjects: AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING; CHEMISTRY; COMPOSITIONS BASED THEREON; COMPOSITIONS OF MACROMOLECULAR COMPOUNDS; GENERAL PROCESSES OF COMPOUNDING; INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULARARTICLES; MAKING GRANULES OR PREFORMS; METALLURGY; ORGANIC MACROMOLECULAR COMPOUNDS; PERFORMING OPERATIONS; PREPARATION OR PRETREATMENT OF THE MATERIAL TO BESHAPED; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIALCONTAINING PLASTICS; 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; WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL; WORKING-UP

本申请涉及高分子材料领域，具体公开了一种低介电损耗型聚四氟乙烯微波板材及其制备方法。低介电损耗型聚四氟乙烯微波板材包括下列重量份物质：35～40份聚四氟乙烯乳液、3～5份聚全氟乙丙烯乳液、3～5份增塑剂、10～15份改性溶胶液；所述改性溶胶液为二氧化钛溶胶液；本申请的聚四氟乙烯微波板材改善聚四氟乙烯微波板材的力学性能，降低其介电损耗。另外，本申请的一种低介电损耗型聚四氟乙烯微波板材的制备方法采用了球磨处理并加压成型的方案，不仅提高了微波板材的生产效率，还能提高聚四氟乙烯微波板材的力学强度。 The invention relates to the field of high polymer materials, and particularly discloses a low-dielectric-loss type polytetrafluoroethylene microwave plate and a preparation method thereof. The low-dielectric-loss type polytetrafluoroethylene microwave plate is prepared from the following substances in parts by weight: 35 to 40 parts of polytetrafluoroethylene emulsion, 3 to 5 parts of fluorinatedethylene propylene emulsion, 3 to 5 parts of plasticizer and 10 to 15 parts of modified sol solution, wherein the modified sol solution is a titanium dioxide sol solution. According to the polytetrafluoroethylene microwave plate, the mechanical property of the polytetrafluoroethylene microwave plate is improved, and the dielectric loss of the polytetrafluoroethylene microwa