纸塑铝复合包装材料各组分共热解行为研究

苟进胜; 钱 杨; 任学勇; 王文亮; 常建民

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纸塑铝复合包装材料各组分共热解行为研究
苟进胜, 钱杨, 任学勇, 王文亮, 常建民
北京林业大学，北京 100083

摘要:

以用甲酸分离枕型利乐包所得的纸、聚乙烯、铝作为实验材料，采用热重红外联用（TG-FTIR）分析技术，研究了各组分在热解过程中的协同作用，以探索纸塑铝复合包装各组分共热解机理，为实现废弃利乐包材料的资源化利用提供科学参考和实验依据。结果表明：共热解时纸和聚乙烯之间存在协同作用，在失重峰位置表现得尤为明显；铝在共热解时具有一定的催化作用，在反应的不同阶段起到了相应的促进或者抑制热解的作用。

关键词: 纸塑铝复合包装利乐包 TG-FTIR 共热解协同作用

DOI：

分类号:TB484； TB487

基金项目:中央高校基本科研业务费专项资金资助(YX2011-1)，北京林业大学大学生科研训练计划（SRTP）项目（110515）

Study on Co-pyrolysis of Laminated Paper-PE-Al Packaging Material

GOU Jin-sheng, QIAN Yang, REN Xue-yong, WANG Wen-liang, CHANG Jian-min

Beijing Forestry University， Beijing 100083, China

Abstract:

Paper, PE and Al were separated from pillow Tetra Pak with formic acid and used as materials for experiment. TG-FTIR analysis technique was applied to study the synergism of components during pyrogenation process, so as to understand the co-pyrolysis behavior, which will provide an experimental basis and scientific reference to achieve resource utilization of abandon Tetra Pak. The results showed that there is synergism between paper and PE during co-pyrolysis, especially near the decomposing peak; the aluminum promotes and restrains the reaction in different stage of co-pyrolysis as catalyst.

Key words: paper-PE-Al composite Tetra Pak TG-FTIR co-pyrolysis synergism