Abstract: Automotive interior odor is a topic of high concern for consumers, and the addition of fragrant systems is an important method for various automakers. However, the impact of fragrances on interior materials in a closed automotive environment is currently a blank area. In this paper, we analyze the main ingredient of fragrances and their effects on interior materials, and design two kinds of experiment to verify the effects. The test results show that even with the addition of fragrances under conventional aging test conditions, the materials themselves would not undergo significant changes. However, in the fragrance molecule deposition area, such as fragrance outlet, we preform liquid fragrance directly contact testing, the test results show that most materials will be corroded, especially PC/ABS parts. Based on this situation, we do one more round test with painting samples and evaluate the corrosion degree after test, and it is found that the painting samples had good corrosion resistance. It's recommended that in the subsequent vehicle design process, the high risk area should be designed as a painting part.

Key words: Vehicle fragrance; Interior material; Design verification; Aging test; Painting

摘要： 汽车内气味是消费者较为关注的话题，增加香氛系统是目前各家主机厂在处理气味问 题上的重要方式。但是在汽车密闭条件下，香氛对内饰材料的影响研究仍是目前的空白区域。 文章研究了香氛的主要成分和对内饰材料的影响，设计了两个试验用于验证。试验结果表明， 常规的老化试验条件下，即使增加了香氛，材料本身并不会发生明显的变化；而在类似香氛 出口的香氛分子沉积区域，利用液态香氛直接接触测试，发现大部分材料都会被腐蚀，尤其 是 PC/ABS 类的零件。基于这种情况，文章额外考察了喷漆工艺后样板的腐蚀情况，发现喷 漆样板存在较好的耐香氛腐蚀性能，建议在后续车型设计工艺上，考虑将风险区域设计为喷 漆零件。

关键词: 车载香氛；内饰材料；设计验证；老化试验；喷漆