The results of Corbett method show that asphaltenes increased while the component of aromatics decreased after ageing.The FTIR results present that more carbonyl groups appear.And t...

　
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  • 試驗結果表明,光氧老化使瀝青組分向大分子量方向轉化,針入度、延度減小,軟化點(diǎn)、粘度增加,并且羰基官能團隨著(zhù)老化時(shí)間的延長(cháng)其吸收峰明顯增加。
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