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  本文選題：生物油　切入點(diǎn)：生物油稠化　出處：《長安大學(xué)》2015年碩士論文　論文類型：學(xué)位論文

【摘要】：隨著我國公路建筑事業(yè)的飛速發(fā)展,瀝青作為路面主要的鋪裝材料,其使用量巨大。路面鋪裝的瀝青主要是石油瀝青,受石油不可再生的影響,石油瀝青也有枯竭的可能;而作為資源中的一種,生物質(zhì)具有可再生、年產(chǎn)量巨大且分布廣的特點(diǎn),但是對其的利用效率太低,因此研究生物質(zhì)改性石油瀝青有重要的科學(xué)意義和使用價值。根據(jù)現(xiàn)有的瀝青改性手段和新型樹脂的研究,利用生物油制備了生物油樹脂、生物質(zhì)苯并VA嗪開環(huán)樹脂以及生物質(zhì)環(huán)氧樹脂,并用多種分析手段進(jìn)行了表征,最終選擇苯苯并VA嗪開環(huán)樹脂進(jìn)行了改性瀝青的研究。分別向三種生物油中加入不同量的六次甲基四胺(HMTA),研究了生物油的稠化與固化行為。利用生物油和酚、醛、胺的反應(yīng),制備了多種生物質(zhì)苯并VA嗪開環(huán)樹脂,并檢驗了它們的固化性質(zhì)和耐熱性。實驗得出以苯酚、生物油、尿素、多聚甲醛為原料合成的苯并VA嗪樹脂各方面性質(zhì)較好,苯并VA嗪樹脂在加入適量有機(jī)酸的條件下,可以降低固化溫度,提高固化物的耐熱性。生物油環(huán)氧樹脂合成的探索得出:生物油不適宜直接與帶環(huán)氧基團(tuán)的物質(zhì)反應(yīng),而比較適合先于帶雙鍵的物質(zhì)反應(yīng),然后不完全氧化雙鍵得到生物質(zhì)環(huán)氧樹脂。生物質(zhì)改性瀝青的瀝青:生物質(zhì)苯并VA嗪混合樹脂比例為2:1時,改性瀝青的性能較為良好。
[Abstract]:With the rapid development of highway construction in China, asphalt, as the main pavement pavement material, its use is huge. The asphalt paved on the pavement is mainly petroleum asphalt, which is likely to be exhausted due to the influence of non-renewable oil. As one of the resources, biomass has the characteristics of renewable, large annual yield and wide distribution, but its utilization efficiency is too low. Therefore, it is of great scientific significance and practical value for graduate students to modify petroleum bitumen. According to the existing methods of asphalt modification and the study of new resin, bio-oil resin was prepared by using bio-oil. Biomass benzofaxazine ring opening resin and biomass epoxy resin were characterized by various analytical methods. Finally, Benzovasin ring opening resin was selected to study the modified asphalt. The thickening and curing behavior of bio-oil was studied by adding different amount of hexamethylenetetramine (HMTAA) into three kinds of bio-oil. The reaction of bio-oil with phenol, aldehyde and amine was used. Several kinds of Biomass benzofaxazine ring opening resins were prepared, and their curing properties and heat resistance were tested. The results showed that the benzo-VAzine resins synthesized from phenol, bio-oil, urea, and polyformaldehyde had better properties in all aspects. Under the condition of adding proper amount of organic acid, Benzovasin resin can reduce the curing temperature and improve the heat resistance of cured compounds. The exploration of the synthesis of bio-oil epoxy resin shows that bio-oil is not suitable to react directly with the substance with epoxy group. The results show that the modified asphalt has better performance when the ratio of biomass modified asphalt to benzofaxazine mixed resin is 2: 1.
【學(xué)位授予單位】：長安大學(xué)
【學(xué)位級別】：碩士
【學(xué)位授予年份】：2015
【分類號】：U414

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本文編號：1575783