2019年8月8日
Asahi Kasei Corporation揭开了PA泡沫的开发，Pa Foam是一种基于聚酰胺的泡沫珠材料，这是全球首次。该泡沫珠被认为非常适合汽车行业中的降噪和轻量级应用。该公司是全球仅有的四个完全集成的聚酰胺制造商之一，并且能够从单体到化合物完全生产PA 6.6。借助该产品，Asahi Kasei能够成功地为汽车行业的各种挑战提供解决方案，包括刚度，机械强度和耐热性，用于在汽车和降低降噪的结构轻量级应用中使用。解释了PA泡沫的前所未有的高耐热性和其他特性，Takauji Namatame是Asahi Kasei Europe公司研发部高级经理Takauji Namatame，他说：“在欧洲，环境意识很强，对轻量级应用的需求预计将进一步未来，尤其是在汽车行业中的增长。我们的泡沫为应用打开了新的门，同时需要轻巧和耐热性。”takauji补充说，由珠子的特殊形状引起的降噪特性将满足不断增长的噪声，振动和刺激性（NVH）的需求。
The PA Foam comes with various properties of polyamide like resistance to heat, chemical, and oil besides having significant rigidity or noise-reducing quality – depending on the shape of the beads. The PA Foam that consists of round-shaped beads has a strong rigidity, making it a promising alternative material for aluminum and metal in structural applications and for use in insulators, ducts, spacers or other lightweight parts of the battery case of electrified vehicles. In addition to the typical polyamide properties, the C-or macaroni-shaped PA Foam provides noise insulation. The possible applications can be found everywhere around the car especially the engine compartment, where the material can unfold its unique qualities. It can also be used for engine covers to make them lightweight, significantly reduce the radiating engine noise to make the car quieter and increase the level of comfort inside the car.
With the rising popularity of car-sharing and the expected introduction of autonomous driving, the automotive interior is becoming more and more important as a space of relaxation and comfort. The PA Foam can significantly contribute to the quality of this new in-vehicle living space by not only insulating or reducing the noise radiating from the car but also reduce noise coming from the outside. In addition to the roof and bonnet, other possible applications could be the seat and floor structure of the car.Foam beads made of polyamide can be processed in a steam molding process on standard polystyrene molding equipment. Additionally, a significant reduction of resin for the production process can be achieved, contributing to an overall cost reduction.
重要的是要理解破坏性trend of connected autonomous shared electrified (CASE) is increasing the innovation pressure on the automotive industry to new heights. The European Union (EU) legislation regarding the reduction of carbon dioxide (CO2) emissions is additionally pushing the demand for new and innovative lightweight materials as a substitute for metal and aluminum parts. In the tightening of noise regulations, the United Nations (UN) in its regulations issued in 2016 mentions that the noise level emitted outside must be continuously reduced in newly manufactured vehicles. Plastics and foams with their broad range of properties will become a key in this field, contributing to a reduction of CO2 emissions of conventional passenger cars with a combustion engine and longer driving distance of electrified cars.
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