Utilizing Polystyrene Grafted Amphiphilic Sodium Alginate to Disperse CuPc Pigment for Preparing Dope-Dyed Sodium Alginate Fibers 


Vol. 26,  No. 11, pp. 4905-4915, Nov.  2025
10.1007/s12221-025-01119-4


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  Abstract

In this research, an amphiphilic sodium alginate (SSA) was prepared by grafting styrene (St) onto sodium alginate (SA) to serve as a dispersant for preparing copper phthalocyanine (CuPc) pigment dispersion (SSA-CuPc). The results indicated that SSA exhibited optimal dispersibility for CuPc at 20% dosage. Compared to SA, the SSA-CuPc particle size was reduced by 63.61%, zeta potential from -15.30 mV to -29.16 mV. FT-IR, XPS, and TG analyses confirmed the effective binding of SSA on CuPc surface. The SSA-CuPc dispersion displayed excellent stability and compatibility in SA solution, with stability R value decreased to 5.66%. The SSA-CuPc was incorporated into SA spinning solution to fabricate dope-dyed SA fibers by wet spinning. Rheological tests revealed enhanced compatibility between SSA-CuPc and SA matrix, favorable for wet-spinning processing. Mechanical tests indicated a 35.33% improvement in elongation at break for dope-dyed SA fibers compared to original SA fibers. SEM, FT-IR, and TG analyses further verified the uniform distribution and stable existence of SSA-CuPc in SA fibers.

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  Cite this article

[IEEE Style]

G. Bin, J. Song, Y. Liu, L. Hao, "Utilizing Polystyrene Grafted Amphiphilic Sodium Alginate to Disperse CuPc Pigment for Preparing Dope-Dyed Sodium Alginate Fibers," Fibers and Polymers, vol. 26, no. 11, pp. 4905-4915, 2025. DOI: 10.1007/s12221-025-01119-4.

[ACM Style]

Guoan Bin, Jiali Song, Yichen Liu, and Longyun Hao. 2025. Utilizing Polystyrene Grafted Amphiphilic Sodium Alginate to Disperse CuPc Pigment for Preparing Dope-Dyed Sodium Alginate Fibers. Fibers and Polymers, 26, 11, (2025), 4905-4915. DOI: 10.1007/s12221-025-01119-4.

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