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溶解度参数在混合溶剂处理铝塑复合物中的应用 |
Application of Mixed Solvent Solubility Parameter in the Separation of Aluminum and Plastic Composite |
收稿日期: |
DOI:10.11980/j.issn.0254-508X.2013.02.006 |
关键词: 混合溶剂 铝塑复合物 溶解度参数 有机胶黏剂 |
Key Words:mixed solvent aluminum and plastic composite solubility parameter organic adhesive |
基金项目:国家自然科学青年基金(编号:31100443);陕西省教育厅专项项目(编号:2010JK457);制浆造纸工程国家重点实验室开放基金项目(编号:201026)。 |
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摘要:针对混合溶剂处理铝塑复合物工艺的研究,分别以苯-乙醇-水、甲苯-乙醇-水、苯乙烯-乙醇-水3种混合液作为分离剂进行铝塑分离实验。由于苯、甲苯、苯乙烯的溶解度参数相近,当铝塑完全分离时,考察不同分离剂各组分的体积比,通过混合溶剂溶解度参数计算公式得出各混合溶剂的溶解度参数。根据相似相溶原理,得出铝塑复合物间有机胶黏剂溶解度参数的理想范围。结果表明,3种混合溶剂处理铝塑复合物,当铝塑完全分离时,铝塑复合物间胶黏剂的溶解度参数范围为29.1~34.8;甲苯-乙醇-水混合溶剂作为分离剂,所需的甲苯体积比最小(20%)。 |
Abstract:Mixed solvents including benzene-ethanol-water, toluene-ethanol-water and styrene-ethanol-water were used as a separating agent to separate aluminum and plastic composite. The volume ratio of each component of the mixed solvent used for completely separating the aluminum and plastic composite was investigated; the solubility parameter range of the organic adhesive used in the composite could be obtained through calculating the solubility parameter of the mixed solvent. The results showed that the ideal range of solubility parameters of organic adhesive is 29.1 to 34.8; the required volume ratio of toluene is least when using toluene-ethanol-water solvent as the separating agent. |
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