Formulation of micro-phase separation kinetics of polyurethane nanocomposites

被引：17

作者：

Jouibari, Iman Sahebi ^{[1
]}

Haddadi-Asl, Vahid ^{[1
]}

Mirhosseini, Mohammad Masoud ^{[1
]}

机构：

[1] Amirkabir Univ Technol, Tehran Polytech, Dept Polymer Engn & Color Technol, Tehran, Iran

来源：

POLYMERS FOR ADVANCED TECHNOLOGIES | 2018年 / 29卷 / 12期

关键词：

micro-phase separation; nanofillers; polyurethane; rheology; shear rate; THERMOPLASTIC SEGMENTED POLYURETHANES; DISORDER TRANSITION-TEMPERATURE; PHASE-SEPARATION; RHEOLOGICAL PROPERTIES; BLOCK-COPOLYMERS; CRYSTALLIZATION; BEHAVIOR; MORPHOLOGY; SHEAR; MELTS;

D O I：

10.1002/pat.4410

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

In the present study, thermoplastic polyurethane elastomers (TPUs) reinforced with multi-walled carbon nanotubes, Closite 30B nanoplates, and halloysite nanotubes were produced via melt compounding approach and evaluated with many techniques including microscopy, spectroscopy, thermal, and rheological analyses. Following primary analyses, time sweep tests were used to determine the influence of temperature, applied preshear, and type of nanofillers on the micro-phase separation kinetics of the nanocomposites. Based on the experimental results, a semi-experimental equation was developed to explain the relation between those parameters and micro-phase separation time. The equation is able to predict micro-phase separation time of TPU nanocomposites possessing different nanofillers at various shear rates and temperatures.

引用

页码：2909 / 2916

页数：8

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