循环再利用聚酯纤维鉴别方法的研究(一)
|
摘要
涤纶主要成分为聚对苯二甲酸乙二醇酯,也同时存在砌入大分子结构的异质链节和游离于大分子之外的齐聚物。再生涤纶制备过程会引起大分子异质链节和齐聚物含量以及分布的变化。通过对涤纶样品解聚或萃取等前处理方法,获得含有大分子异质链节或齐聚物的溶液,再经高效液相色谱测试,检测信号即可反映大分子异质链节和齐聚物的分布曲线,探寻能够反映再生涤纶和原生涤纶差异的停留时间段的信号强弱,达到再生涤纶的定性鉴别目的。该方法突破了国内外通过间苯二甲酸单元和聚集态结构等检测方法应用范围极其狭窄的技术瓶颈。
引文
[1]DONG Ho Kang,RAFAEL Auras,KEITH Vorst,et al.An exploratory model for predicting post-consumer recycled PET content in PET sheets[J].Polymer Testing,2011,30:60-68.
[2]WANDERSON Rom?o,MARCOS F Franco,AMADEN H Iglesias,et al.Fingerprinting of bottle-grade poly(ethylene terephthalate)via matrixassisted laser desorption/ionization mass spectrometry[J].Polymer Degrada-tion Stability,2010,95:666-671.
[3]方叶青,朱华生,钱峰,等.鉴定再生聚酯纤维的方法:CN102539549A[P].2012-07-04.
[4]刘晓倩,薛文良,魏孟媛.再生聚酯纤维产业的发展现状与存在问题[J].中国纤检,2012(11):80-84.
[5]陈明鸣.对苯二甲酸生产中相关相平衡的测定与研究[D].天津:天津大学,2003.
[6]丁海兵.粗对苯二甲酸结晶过程的研究与模拟[D].天津:天津大学,2004.
[7]BADIA J D,STROBERG E,RIBES-Greus A,et al.A statistical design of experiments for optimizing the MALDI-TOF-MS sample preparation of polymers:An application in the ssessment of the thermo-mechanical degradation mechanisms of poly(ethylene terephthalate)[J].Analytica Chimica Acta,2011,692:85-95.
[8]MARíA del Mar Castro Lopez,ANA Isabel Ares Pernas,MA Jose Abad Lopez,et al.Assessing changes on poly(ethylene terephthalate)properties after recycling:Mechanical recycling in laboratory versus postconsumer recycled material[J].Materials Chemistry and Physics,2014,147:884-894.
[2]WANDERSON Rom?o,MARCOS F Franco,AMADEN H Iglesias,et al.Fingerprinting of bottle-grade poly(ethylene terephthalate)via matrixassisted laser desorption/ionization mass spectrometry[J].Polymer Degrada-tion Stability,2010,95:666-671.
[3]方叶青,朱华生,钱峰,等.鉴定再生聚酯纤维的方法:CN102539549A[P].2012-07-04.
[4]刘晓倩,薛文良,魏孟媛.再生聚酯纤维产业的发展现状与存在问题[J].中国纤检,2012(11):80-84.
[5]陈明鸣.对苯二甲酸生产中相关相平衡的测定与研究[D].天津:天津大学,2003.
[6]丁海兵.粗对苯二甲酸结晶过程的研究与模拟[D].天津:天津大学,2004.
[7]BADIA J D,STROBERG E,RIBES-Greus A,et al.A statistical design of experiments for optimizing the MALDI-TOF-MS sample preparation of polymers:An application in the ssessment of the thermo-mechanical degradation mechanisms of poly(ethylene terephthalate)[J].Analytica Chimica Acta,2011,692:85-95.
[8]MARíA del Mar Castro Lopez,ANA Isabel Ares Pernas,MA Jose Abad Lopez,et al.Assessing changes on poly(ethylene terephthalate)properties after recycling:Mechanical recycling in laboratory versus postconsumer recycled material[J].Materials Chemistry and Physics,2014,147:884-894.