Tuning Interfacial Adhesion in Polyester/Polyamide Systems

被引：3

作者：

Machikiti, Zvikomborero ^{[1
]}

Pourdeyhimi, Behnam ^{[2
]}

Genzer, Jan ^{[1
]}

Efimenko, Kirill ^{[1
,3
]}

机构：

[1] North Carolina State Univ, Dept Chem & Biomol Engn, Raleigh, NC 27695 USA

[2] North Carolina State Univ, Nonwovens Inst, Raleigh, NC 27606 USA

[3] North Carolina State Univ, Biomfg Training & Educ Ctr, Raleigh, NC 27606 USA

来源：

INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH | 2023年 / 62卷 / 31期

基金：

美国国家科学基金会;

关键词：

POLYAMIDES; COPOLYMER; BLENDS; POLY(ETHYLENE-TEREPHTHALATE); COMPATIBILIZATION; POLYPROPYLENE; POLYSTYRENE; NYLON-6;

D O I：

10.1021/acs.iecr.3c01517

中图分类号：

TQ [化学工业];

学科分类号：

0817 ;

摘要：

Polymer-polymeradhesion is critical in polymer processingand application areas where lamination, welding, composites, blending,and coextrusion are involved. Polyethylene terephthalate/polyamide(PET/PA) pairs are widely used to produce bicomponent fibers. Thestrong adhesion due to the formation of chemical bonds in the interfacialregion limits post-production fiber processing. The adhesion strengthin the PET/PA systems showed that PET/PA66 had the highest adhesionenergy, followed by PET/PA6, PET/PA11, and PET/PA12 for all processingconditions. We developed a method that enables adhesion control byintroducing a poly(octadecene-alt-maleic anhydride) (POMA) alternatingcopolymer by either direct interfacial modification or addition intothe PET phase. Upon POMA introduction to the system, the reductionin interfacial adhesion strength between PET and polyamides is observed.We established the relationship between adhesion strengths in PET/polyamidesystems, processing conditions, and concentration of the POMA modifier.

引用

页码：12209 / 12219

页数：11

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