Drawing-Induced Crimp Formation and Wettability of Four-Lobed Side-by-Side PBT/PET Bicomponent Fibers.

Xinkang Xu, Pei Feng, Zexu Hu, Jiazheng Wang, Qianchun Xu, Chongchang Yang

Abstract read

In one paragraph

Article in Polymers, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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Authors and funding

6 authors.

Xinkang XuCollege of Mechanical Engineering, Donghua University, Shanghai 201620, China.

Pei FengCollege of Mechanical Engineering, Donghua University, Shanghai 201620, China.ORCID 0000-0002-7815-7206

Zexu HuCollege of Mechanical Engineering, Donghua University, Shanghai 201620, China.

Jiazheng WangCollege of Mechanical Engineering, Donghua University, Shanghai 201620, China.

Qianchun XuCollege of Mechanical Engineering, Donghua University, Shanghai 201620, China.

Chongchang YangCollege of Mechanical Engineering, Donghua University, Shanghai 201620, China.

Funding

Fundamental Research Funds for the Central Universities 2232023G-05National Natural Science Foundation of China 52103355

6 · The paper itself

Abstract

PBT/PET side-by-side bicomponent fibers form helical crimp structures under thermal or mechanical stress, though the mechanism behind mechanically induced crimping remains unclear. In this study, four-lobed cross-sectional PBT/PET side-by-side bicomponent fibers were produced and subjected to drawing from 1.6 to 4.0 times at 80 °C to induce crimping. Increasing draw ratios significantly enhanced fiber tenacity (from 0.64 to 3.91 cN/dtex) and reduced crimp radius (from 2.05 mm to 0.64 mm). A predictive crimp curvature model integrating Denton's crimp theory and a four-element viscoelastic model was established, with corrected results achieving an R

Indexed as

draw-induced crimpfour-element viscoelastic modelPBT/PET side-by-side fibersprofiled cross-sectionwettability

Identifiers

PMID41012292

DOI10.3390/polym17182529

PMCPMC12473951

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.