PBT材料简介:
  聚对苯二甲酸丁二醇酯,英文名polybutylece terephthalate(简称PBT),属于聚酯系列,是由1.4-丁二醇(1.4-Butylene glycol)与对苯二甲酸(PTA)或者对苯二甲酸酯(DMT)聚缩合而成,并经由混炼程序制成的乳白色半透明到不透明、结晶型热塑性聚酯树脂。与PET一起统称为热塑性聚酯,或饱和聚酯。   
   PBT理化特性
  PBT为乳白色半透明到不透明、结晶型热塑性聚酯。具有高耐热性、韧性、耐疲劳性,自润滑、低摩擦系数,耐候性、吸水率低,仅为0.1%,在潮湿环境中仍保持各种物性(包括电性能),电绝缘性,但体积电阻、介电损耗大。耐热水、碱类、酸类、油类、但易受卤化烃侵蚀,耐水解性差,低温下可迅速结晶,成型性良好。缺点是缺口冲击强度低 ,成型收缩率大 。故大部分采用玻璃纤维增强或无机填充改性,其拉伸强度、弯曲强度可提高一倍以上,热变形温度也大幅提高。可以在140℃下长期工作,玻纤增强后制品纵、横向收缩率不一致,易使制品发生翘曲。  
   PBT的注塑工艺特性与工艺参数的设定:
  PBT的聚合工艺成熟、成本较低,成型加工容易。未改性PBT性能不佳,实际应用要对PBT进行改性,其中,玻璃纤维增强改性牌号占PBT的70%以上。   
长期现货供应PBT其他牌号如下:
   
  
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|         Anjatech® 450-SZ/GF10  |               Almaak International GmbH  |               PBT  |      
|         Arnite® T XG510 (T-X03732)  |               DSM Engineering Plastics  |               PBT  |      
|         Arnite® T04 200  |               DSM Engineering Plastics  |               PBT  |      
|         Arnite® T06 200 (extrusion)  |               DSM Engineering Plastics  |               PBT  |      
|         Arnite® T06 200 /D  |               DSM Engineering Plastics  |               PBT  |      
|         Arnite® T06 200 SNF  |               DSM Engineering Plastics  |               PBT  |      
|         Arnite® T06 200  |               DSM Engineering Plastics  |               PBT  |      
|         Arnite® T06 202 XL (T-X01151)  |               DSM Engineering Plastics  |               PBT  |      
|         Arnite® T06 202  |               DSM Engineering Plastics  |               PBT  |      
|         Arnite® T06 204 SN  |               DSM Engineering Plastics  |               PBT  |      
|         Arnite® T06 204 XL (T-X03253)  |               DSM Engineering Plastics  |               PBT  |      
|         Arnite® T06 206 T  |               DSM Engineering Plastics  |               PBT  |      
|         Arnite® T08 200 (extrusion)  |               DSM Engineering Plastics  |               PBT  |      
|         Arnite® T08 200  |               DSM Engineering Plastics  |               PBT  |      
|         Arnite® TM4 440  |               DSM Engineering Plastics  |               PBT+PET  |      
|         Arnite® TV4 220  |               DSM Engineering Plastics  |               PBT  |      
|         Arnite® TV4 230 S  |               DSM Engineering Plastics  |               PBT  |      
|         Arnite® TV4 230 SF  |               DSM Engineering Plastics  |               PBT  |      
|         Arnite® TV4 230  |               DSM Engineering Plastics  |               PBT  |      
|         Arnite® TV4 240 S  |               DSM Engineering Plastics  |               PBT  |      
|         Arnite® TV4 240  |               DSM Engineering Plastics  |               PBT  |      
|         Arnite® TV4 241 SL  |               DSM Engineering Plastics  |               PBT  |      
|         Arnite® TV4 260 S  |               DSM Engineering Plastics  |               PBT  |      
|         Arnite® TV4 260 SF  |               DSM Engineering Plastics  |               PBT  |      
|         Arnite® TV4 260 SXF (T-X04520)  |               DSM Engineering Plastics  |               PBT  |      
|         Arnite® TV4 261 SF  |               DSM Engineering Plastics  |               PBT  |      
|         Arnite® TV4 261  |               DSM Engineering Plastics  |               PBT  |      
|         Arnite® TV4 264 SN  |               DSM Engineering Plastics  |               PBT  |      
|         Arnite® TV4 270  |               DSM Engineering Plastics  |               PBT  |      
|         Arnite® TV4 441  |               DSM Engineering Plastics  |               PBT+PET  |      
|         Arnite® TV4 461 KL  |               DSM Engineering Plastics  |               PBT+PET  |      
|         Arnite® TV4 461  |               DSM Engineering Plastics  |               PBT+PET  |      
|         Arnite® TV4 660 SN  |               DSM Engineering Plastics  |               PC+PBT  |      
|         Arnite® TV6 240  |               DSM Engineering Plastics  |               PBT  |      
|         Arnite® TV6 241 T  |               DSM Engineering Plastics  |               PBT  |      
|         Arnite® TV6 260 T  |               DSM Engineering Plastics  |               PBT  |      
|         Arnite® TV8 260  |               DSM Engineering Plastics  |               PBT  |      
|         Arnite® TZ6 280  |               DSM Engineering Plastics  |               PBT  |      
|         Arnitel® BM4 240  |               DSM Engineering Plastics  |               PBT+PET  |      
|         ASHLENE® 105  |               Ashley Polymers, Inc.  |               PBT  |      
|         ASHLENE® 114WO  |               Ashley Polymers, Inc.  |               PBT  |      
|         ASHLENE® 124  |               Ashley Polymers, Inc.  |               PBT  |      
|         ASHLENE® 126  |               Ashley Polymers, Inc.  |               PBT  |      
|         ASHLENE® 126WO  |               Ashley Polymers, Inc.  |               PBT  |      
|         ASHLENE® 130  |               Ashley Polymers, Inc.  |               PBT  |      
|         ASHLENE® 149WO  |               Ashley Polymers, Inc.  |               PBT  |      
|         ASHLENE® P105  |               Ashley Polymers, Inc.  |               PBT  |      
|         ASHLENE® P106  |               Ashley Polymers, Inc.  |               PBT  |      
|         ASHLENE® P114  |               Ashley Polymers, Inc.  |               PBT  |      
|         ASHLENE® P114WO  |               Ashley Polymers, Inc.  |               PBT  |      
|         ASHLENE® P123  |               Ashley Polymers, Inc.  |               PBT  |      
|         ASHLENE® P123WO  |               Ashley Polymers, Inc.  |               PBT  |      
|         ASHLENE® P124WO  |               Ashley Polymers, Inc.  |               PBT  |      
|         ASHLENE® P126  |               Ashley Polymers, Inc.  |               PBT  |      
|         ASHLENE® P126T  |               Ashley Polymers, Inc.  |               PBT  |      
|         ASHLENE® R3137 BK  |               Ashley Polymers, Inc.  |               PC+PBT  |