journal article·2022-02

Preparing cationic dyeable polyamide 6 filaments by combining the masterbatch technique with melt copolymerization

Shengming Zhang, Yuhao Wu, Hanbin Yang, Peng Ji, Chaosheng Wang, Huaping Wang, Zhiyong Yan

Textile Research Journal· Volume 92· Issue 3-4
Publisher page

Abstract

Cationic dyeable polyamide 6 (CD-PA6) fiber, as a novel functional polyamide 6 (PA6) fiber, conforms to people's requirements for fashion clothing. However, due to the limitation of the hetero-end groups after caprolactam hydrolysis, it is difficult to introduce comonomers into the PA6 molecular chain to prepare PA6-based polymers with a certain molecular weight and maintain the original physical properties and spinnability. In this paper, through molecular design of PA6 segments, 5-sulfoisophthalic acid monosodium salt (5-SSIPA) was introduced into PA6 by copolymerization, and a CD-PA6 masterbatch with an addition amount of 10 wt% was prepared. CD-PA6 were prepared by blending with pure PA6 with masterbatch technology. The melt-spinning method was used to prepare CD-PA6 filaments, and they were woven into fabrics. The results show that the CD-PA6 masterbatch and PA6 have good blending compatibility. CD-PA6 filaments and fabrics maintain the excellent physical properties of PA6. When the addition amount of 5-SSIPA is 3%, the dye uptake rate of the cationic pigment exceeds 90%, and it has color affinity and excellent color fastness.
Source: crossref · Quality: baseline

Research context

OpenAlex topics: Dyeing and Modifying Textile Fibers · Photopolymerization techniques and applications · Textile materials and evaluations

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Materials Science and Engineering, Donghua University, Donghua University, P. R. China

Co-innovation Center for Textile Industry, Donghua University, Donghua University, P. R. China

Innovation Center for Textile Science and Technology, Donghua University, P. R. China

The Key Laboratory of High-Performance Fiber and Product, Ministry of Education, College of Materials Science and Engineering, Donghua University, Donghua University, P. R. China

Key Laboratory of Yarn Materials Forming and Composite Processing Technology of Zhejiang Province, Jiaxing University, Jiaxing University, P. R. China

Funding

the National Key Research and Development Program of China · the Open Project Program of Key Laboratory of Yarn Materials Forming and Composite Processing Technology of Zhejiang Province · the Fundamental Research Funds for the Central Universities

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