Influence of 'Historical Effects' on the Rheological Properties of a Polyacrylonitrile Copolymer Solution

Influence of 'Historical Effects' on the Rheological Properties of a Polyacrylonitrile Copolymer Solution

1. Introduction

2. Materials

2.1. Synthesis of the PAN copolymer solution

2.2. Molecular weight determination of the PAN copolymers

2.3. Rheology of the PAN copolymer solution

3. Results and Discussion

3.1. Apparent viscosity under ordinary mixing

3.2. Apparent viscosity of the solution with high speed mixing

4. Conclusions