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    • 1. 发明申请
    • Method for Welding Together Plastic Parts with the Aid of Laser Radiation
    • 用激光辐射辅助焊接塑料零件的方法
    • US20070221321A1
    • 2007-09-27
    • US11578149
    • 2005-04-08
    • Arno BohmAndreas HaasWerner RautenbergMichel Sieffert
    • Arno BohmAndreas HaasWerner RautenbergMichel Sieffert
    • B29C65/16
    • C09B5/62B23K26/18B23K26/244B29C65/16B29C65/1616B29C65/1619B29C65/1635B29C65/1654B29C65/1674B29C65/1677B29C66/71B29C66/73365B29C66/73921B29K2079/08B29K2081/06B29K2995/0026Y10T428/31504B29K2077/00B29K2071/00B29K2069/00B29K2067/006B29K2067/003B29K2067/00B29K2055/02B29K2033/12B29K2033/08B29K2027/18B29K2027/16B29K2027/08B29K2027/06B29K2023/12B29K2023/086B29K2023/083B29K2023/00
    • Disclosed is a method for welding together plastic parts with the aid of laser radiation having a wavelength outside the visible range. According to the inventive method, the joining zone of one of the plastic parts that are to be joined together is provided with a substantially colorless material that is transparent in the visible range of the electromagnetic spectrum while absorbing the laser radiation. The inventive method is characterized in that at least one non-ionic, laser radiation-resistant compound that has a minimum thermal resistance of 300° C. and is selected among the group comprising the polycyclic organic compounds, doped tin oxides, and hexaborides MB6 of lanthanide metals and alkaline earth metals M is used as the laser radiation-absorbent material. Also disclosed are preparations that are suitable for producing plastic parts which are welded together with the aid of laser radiation whose wavelength lies outside the visible range, said preparations containing: a) a thermoplastic matrix polymer that is suitable for embodying the plastic parts; b) at least one essentially colorless, non-ionic, laser radiation-resistant material which is transparent in the visible range of the electromagnetic spectrum, absorbs the applied laser radiation, has a minimum thermal resistance of 300° C., and is selected among the group comprising the polycyclic organic compounds, doped tin oxides, and hexaborides MB6 of lanthanide metals and alkaline earth metals M; c) one or several optional UV stabilizers; and d) other optional additives.
    • 公开了一种借助于波长在可见光范围之外的激光辐射将塑料部件焊接在一起的方法。 根据本发明的方法,待连接在一起的一个塑料部件的接合区域设置有基本上无色的材料,其在吸收激光辐射的同时在电磁光谱的可见范围内是透明的。 本发明的方法的特征在于,至少一种非离子的耐激光辐照化合物,其具有300℃的最小热阻,并且选自包含多环有机化合物,掺杂的氧化锡和六硼化物 使用镧系元素金属和碱土金属M的6 作为激光吸收材料。 还公开了适用于生产塑料部件的制剂,其通过其波长在可见光范围外的激光辐射而被焊接在一起,所述制剂包含:a)适于体现塑料部件的热塑性基质聚合物; b)至少一种基本上无色,非离子的激光辐射抗性材料,其在电磁光谱的可见范围内是透明的,吸收施加的激光辐射,具有300℃的最小热阻,并且选自 包含镧系元素金属和碱土金属M的多环有机化合物,掺杂的氧化锡和六硼化物MB 6的基团; c)一种或几种任选的UV稳定剂; 和d)其他任选的添加剂。