| 简介 |
Method for weld joint of plastic parts by means of laser radiation of a wavelength outside the visible range, in which one of the plastic parts to be joined in the visible region of the electromagnetic spectrum in the connecting region a transparent, substantially colorless, the laser radiation absorbent material, characterized in that as the laser radiation absorbing material at least one nonionic, against the laser radiation resistant compound exhibiting a heat resistance of at least 300 DEG C, selected from the group consisting of polycyclic organic compounds, the doped coating of tin oxide and the [...] MB_AOX14AO> 6_AOX14AO> of lanthanides and alkaline earth metals M, are used, with the aid of laser radiation dOLLAR A dOLLAR A as well as for the production of, whose wavelength is outside the visible range, appropriate preparations weldingconnected plastic parts, containing dOLLAR A a) a suitable thermoplastic matrix polymer to form the plastic parts, dOLLAR A b) at least one transparent in the visible region of the electromagnetic spectrum, substantially colorless, absorbing the laser radiation used, non-ionic, against the laser radiation resisting material exhibiting a heat resistance of at least 300 DEG C, selected from the group consisting of polycyclic organic compounds, the doped coating of tin oxide and the [...] MB_AOX14AO> 6_AOX14AO> of lanthanides and alkaline earth metals M, dOLLAR A c)... |
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