描述
玻璃纤维Pbt改性塑料
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玻璃纤维Pbt改性塑料
可以通过酯交换或直接脂肪族缩聚制备。未来的发展趋势是直接酯化 PBT与PET一起被称为热塑性聚酯。大多数零件为40-60秒。A、 电子电器：连接器、开关件、家用电器、零配件、小电器盖或（耐热、阻燃、电气绝缘、成型加工） 外部零件：主要有角隔山、发动机通风盖等；内部部件：主要有内窥镜支架、雨刮器支架和控制系统阀门；汽车电气零件：汽车点火线圈绞盘及各种电气连接器。（汽车用PBT的用量小于尼龙、聚碳和聚甲醛的用量，但由于PBT的翘曲度较低，在注射成型之前，PBT必须在110~120.c下干燥约3小时，成型温度为250~270.c，模具温度为50~75°c。由于材料在冷却后处于熔融状态，因此它将被浸入直接凝固结晶，冷却时间短；如果喷嘴温度控制不合适（低） < 是一家专业的玻璃纤维pbt改性塑料制造商，您可以从我们工厂以优惠的价格订购高品质的玻璃纤维pbt改性塑料 Architecture Decoration IndustryGlass Fiber Pbt Modified Plastic
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Glass Fiber Pbt Modified Plastic
Product Details
Glass Fiber Pbt Modified Plastic
Poly (butylene terephthalate) , also known as poly (tetramethyl
terephthalate) . English name: Polybutyleneterephthalate. PBT, or PMT for short, is a polycondensation of parabens and 1, 4-Butanediol acid.
It can be prepared by transesterification or direct aliphatic polycondensation. The development trend in the future is direct esterification.
PBT is known as thermoplastic polyester together with PET. 40-60s for most parts. A, electronic appliances: connector, switch parts,
household appliances, spare parts, small electric cover or (heat resistance, flame resistance, electrical insulation, Molding Processing) ;
External Parts: There are mainly Angle Geshan, engine vent cover, etc. ; internal parts: There are mainly endoscopic brace, wiper support and
Control System Valve; Automotive Electrical Parts: Automotive Ignition Coil Capstan and various electrical connectors. (the amount of PBT
used in automobiles is less than that of nylon, polycarbon and Polyformaldehyde, but with the appearance of low-warpage PBT, the PBT
must be dried for about 3 hours at 110 ~ 120。c before injection molding, the molding temperature is 250 ~ 270。C, and the mold
temperature is 50 ~ 75 °C. Because the material from the melting state after cooling, it will immediately solidification crystallization, so its
cooling time is shorter; if the nozzle temperature control is not appropriate (low) .
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