CAJ | 학술논문

从粘接强度、耐高温性能、低温柔性、耐紫外光等几方面论述了有机硅密封胶在车灯密封上的应用优势。自制的车灯用有机硅密封胶养护14天后粘接强度为1.25 MPa；在150℃下烘烤6 h后，力学性能没有变化；低温柔性测试后没有出现开裂、部分分层、粘接损坏等现象；经320 nm紫外线照射后，密封胶的拉伸强度及拉断伸长率变化很小。
종점접강도、내고온성능、저온유성、내자외광등궤방면논술료유궤규밀봉효재차등밀봉상적응용우세。자제적차등용유궤규밀봉효양호14천후점접강도위1.25 MPa；재150℃하홍고6 h후，역학성능몰유변화；저온유성측시후몰유출현개렬、부분분층、점접손배등현상；경320 nm자외선조사후，밀봉효적랍신강도급랍단신장솔변화흔소。
This article analyzes the application advantages of silicone sealant on automobile lights in adhe-sive strength , high temperature resistance , flexibility under low temperature and ultraviolet resistance .Gener-ally, after 14 days ’ maintenance, home -made silicone sealant for automobile lights keeps an adhesive strength of 1.25 MPa, and it has no variation even after 6 hours torrefaction at 150℃.No cracks, lamination, and adhesive damages are found during low temperature flexibility test .There is little variation of tensile strength and elongation at break after 320 nm under ultraviolet radiation .