The vibration welding of poly(butylene terephthalate) and a polycarbonate /poly(butylene terephthalate) blend to each other an dto other resins and blends

摘要

Vibration welding is used to assess the weldability of poly(butylene terephthalate)(PBT) and a polycaronate/poly(butylene terephthalate)blend (PC/PBT) to each other and to other resins and blends:PBT to PC/PBT,PBT to modified poy(phenylene oxide)(M-PPO),PBT to polyetherimide (PEI) and PEI to a 65 wt% mineral-filled polyester blend (65-PF-PEB),PTB to PPO/PA.Based on the tensile strength of the weaker of the two materials in each pair,the following relative weld strengths have been demonstrated:PBT to PC/PVT,98%;PBT to PEI,95%;65-PF-PEB to PEI,92% ;and PC/PBT to M-PPO ,73%.PBT neither welds to M-PPO /PA,and PC/PBT does not weld to PPO/PA.