Rheological properties of graphene oxide/polyamide 6 composites

被引：3
|
作者：
Liao, Haoran [1 ]
Yu, Tao [1 ,2 ,3 ]
Li, Yan [1 ]
机构：
[1] Tongji Univ, Sch Aerosp Engn & Appl Mech, Shanghai, Peoples R China
[2] Tongji Univ, Shanghai Key Lab Space Mapping & Remote Sensing Pl, Shanghai, Peoples R China
[3] Tongji Univ, Sch Aerosp Engn & Appl Mech, Shanghai 200092, Peoples R China
来源：
POLYMER COMPOSITES | 2023年 / 44卷 / 12期
基金：
中国国家自然科学基金;
关键词：
nanocomposites; nylon; rheology; NANOCOMPOSITES; OXIDE;
D O I：
10.1002/pc.27729
中图分类号：
TB33 [复合材料];
学科分类号：
摘要：
In this work, graphene oxide (GO)/polyamide 6 (PA6) nanocomposites with different graphene content (0.03-0.5 wt%) were prepared via in situ polymerization of GO and e-caprolactam. The linear and nonlinear rheological properties and thixotropy of GO/PA6 nanocomposites are investigated using steady state, dynamic, and transient rheological method with a Haake plate rotary rheometer. Cox/Merz rules and Cross model were used to fit the shear rate sweep and dynamic frequency sweep data, and a wider range(10(-2)-10(4) s(-1)) of flow curve was obtained. The results show the PA6 and GO/PA6 melts are shear thinning fluid without yield stress, and have thixotropy. Highlights . Dynamic, steady, and transient rheological tests were performed. . Cox/Merz rules and Cross model were used to fit the data. . A wider range(10(-2)-104 s(-1)) of flow curve was obtained.
引用
收藏
页码：8683 / 8692
页数：10
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