摘要
生物油的反应活性是制备生物油-PF(酚醛树脂)的关键因素。首先利用酚单体取代基共轭效益参数(Rc)评价了生物油中主要酚类物质的理论反应活性,然后测定了生物油/甲醛的实际反应能力,并与苯酚/甲醛的反应能力进行了对比,以此来评价生物油的整体反应活性。结果表明:生物油中酚类物质的理论反应活性为苯酚的29%;在10 g生物油中加入2.0 g NaOH,并且当反应温度为80℃和反应时间为90 min时,生物油的实际反应能力是苯酚的31%左右。
The reactivity of bio-oil is a key factor of preparing bio-oil-PF（phenolic resin）.First,the theoretical reactivity of main phenolic compounds in bio-oil was evaluated by Rc（onjugative effect parameter for substituent group of phenolic monomer）.Then,the actual reactivity between bio-oil and formaldehyde and the actual reactivity between phenol and formaldehyde were tested and compared,which compared results could evaluate the overall reactivity of bio-oil.The results showed that the theoretical reactivity of phenolic compounds in bio-oil was 29% of pure phenol.The actual reactivity of bio-oil was about 31% of pure phenol when NaOH was 2.0 g in 10 g bio-oil,reaction temperature and reaction time were 80 ℃ and 90 min respectively.
出处
《中国胶粘剂》
CAS
北大核心
2012年第5期5-8,共4页
China Adhesives
基金
国家林业局"948"--引进国际先进林业科学技术项目"绿色环保生物油-淀粉生物质胶粘剂技术引进"(2009-4-59)
北京市重点学科基金项目
关键词
酚醛树脂
苯酚
生物油
反应活性
测试
phenolic resin （PF）
phenol
bio-oil
reactivity
testing
