Laser light scattering characterization of rod-like polymers in corrosive solvents: Kevlar in concentrated sulphuric acid

Authors

Benjamin Chu, State University of New York at Stony Brook
Qicong Ying, State University of New York at Stony Brook
Chi Wu, State University of New York at Stony Brook
James R. Ford PhD, University of Southern Maine
Harbans Dhadwal, State University of New York at Stony Brook
Renyuan Qian, Academia Sinica - Beijing
Jingsheng Bao, Academia Sinica - Beijing
Jiyu Zhang, Academia Sinica - Beijing
Chaochou Xu, Academia Sinica - Beijing

Document Type

Article

Publication Date

1984

Publication Title

Polymer Communications

Keywords

Light scattering, Molecular weight distribution, Laser, Phthalamide polymer, Aromatic polymer, Chemical solution, Molecular structure, characterization, rod-like polymers, Kevlar

Abstract

In this communication, we report the preliminary results of a study on the molecular characterization of pol~{1,4-phenyleneterephthalamide) (PPTA), Kevlar, in concentrated sulphuric acid. By combining static and dynamic light scattering measurements, we were able to determine directly for the first time, the molecular weight distribution of PPTA. The laser· light scattering technique offers a new complementary analytical approach to size exclusion chromatography, which is difficult to perform for polymer solutions in corrosive solvents.

Comments

© 1984 Butterworth & Co. (Publishers) Ltd.

Recommended Citation

Chu, B., Ying, Q., Wu, C., Ford, J.R., Dhadwal, H., Qian, R., Bao, J., Zhang, J., & Xu, C. (1984). Laser light scattering characterization of rod-like polymers in corrosive solvents: Kevlar in concentrated sulphuric acid. Polymer Communications. 25(7), 211-213.