Yi-Wei Wang, Jing-Hua Zhang, Ming Liu, Ya-Dong Liu, Sheng-Xiang Ji
{"title":"Selective Antifungal Activity of Hyperbranched Polylysine Mediated by Charge-dependent Membrane Interactions","authors":"Yi-Wei Wang, Jing-Hua Zhang, Ming Liu, Ya-Dong Liu, Sheng-Xiang Ji","doi":"10.1007/s10118-026-3721-7","DOIUrl":"10.1007/s10118-026-3721-7","url":null,"abstract":"<div><p>Invasive fungal infections remain a significant global health threat, and the development of antifungal agents that selectively target fungi remains a critical challenge. This study investigates hyperbranched polylysine (HPL) with tunable molecular weight and charge density as a potential selective antifungal candidate. HPL1, with the lowest molecular weight, showed negligible antimicrobial activities, while HPL3, with the highest molecular weight, exhibited broad-spectrum antimicrobial effects against both bacteria and fungi. Notably, HPL2, the mediate molecular weight, demonstrated selective antifungal activities against clinically relevant <i>Candida</i> species, including <i>C. albicans</i>, <i>C. krusei</i>, <i>C. parapsilosis</i>, <i>C. tropicalis</i>, and <i>C. glabrata</i>. This selectivity is mainly ascribed to its optimal zeta potential and appropriate hydrodynamic size, enabling HPL2 to penetrate through the fungal cell wall while stuck in bacterial cell envelopes. Mechanistic studies revealed that HPL2 initially adheres to the fungal surfaces induced <i>via</i> electrostatic interactions, then passively penetrates the fungal cell wall, disrupts membrane integrity, induces intracellular damage, and ultimately leads to cell death. Furthermore, HPL2 exhibited excellent biocompatibility and <i>in vivo</i> therapy efficacy with minimal disruption to host gut microbiota. These results highlight HPL2 as a promising antifungal agent with potent efficacy and favorable safety, which can be easily synthesized at kilogram scale.</p><div><figure><div><div><picture><source><img></source></picture></div></div></figure></div></div>","PeriodicalId":517,"journal":{"name":"Chinese Journal of Polymer Science","volume":"44 10","pages":"3418 - 3436"},"PeriodicalIF":4.6,"publicationDate":"2026-07-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149098704","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Preparation and Chiral Recognition Ability of Crystalline Cellulose Phenylcarbamate","authors":"Yu-Tong Zhang, Xiao Dai, En-Ting Deng, Li-Li Zhang, Ting Zheng, Jun Shen","doi":"10.1007/s10118-026-3745-z","DOIUrl":"10.1007/s10118-026-3745-z","url":null,"abstract":"<div><p>As one of the most popular polysaccharide derivatives with high chiral recognition ability, cellulose tris(3,5-dimethylphenylcarbamate) (CDMPC) has been successfully applied in the enantioseparation of a wide range of racemates for various purposes. However, the derivative is usually synthesized with an amorphous structure, and its effect on enantioseparation ability remains obscure. To obtain a better understanding of the correlation between its structure and enantioseparation ability, in this study, CDMPC derivatives with crystalline and amorphous structures were prepared through carbamoylation followed by anti-solvent precipitation. Their chiral recognition abilities were evaluated using high-performance liquid chromatography (HPLC) with chiral stationary phases (CSPs). Interestingly, the ordered arrangement of the helical polymer chains of CDMPC was effectively induced by the aromatic solvent after derivatization, forming a crystalline derivative (<b>c-CDMPC</b>) with a uniform and compact worm-like morphology, whereas the amorphous derivative (<b>a-CDMPC</b>) was obtained by regular treatment with a polar alcoholic solvent. The <b>c-CDMPC</b>–based CSP exhibited higher chiral recognition abilities with much shorter retention times for most racemates in this study, compared to the <b>a-CDMPC</b>–based CSP. In particular, flavanone (<b>Rac-7</b>), an important chiral drug with anti-inflammatory, anti-tumor, and cardiovascular protective activities, was even better resolved with higher enantioselectivity on crystalline <b>c-CDMPC</b> than on Chiralcel OD, a commercialized chiral column based on CDMPC. This indicates that the crystalline ordered arrangement played a critical role in the chiral recognition ability of the cellulose derivative.</p><div><figure><div><div><picture><source><img></source></picture></div></div></figure></div></div>","PeriodicalId":517,"journal":{"name":"Chinese Journal of Polymer Science","volume":"44 9","pages":"2891 - 2898"},"PeriodicalIF":4.6,"publicationDate":"2026-07-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148909492","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"A Paradigm for BF3 co-initiated Cationic Polymerization with Low Dispersity: Introducing Acetonitrile and Lowering the Reaction Temperature","authors":"Yi-Meng Liu, Yu Zhu, Bo-Yu Xu, Zi-Lin Xu, Xing-Long Zhang, Hui Li, Qiang Liu, Shou-Ke Yan","doi":"10.1007/s10118-026-3714-6","DOIUrl":"10.1007/s10118-026-3714-6","url":null,"abstract":"<div><p>Non-metallic cationic polymerization of low-reactivity styrene (St) derivatives remains challenging due to broad molecular weight distributions and rapid deactivation of active species. Here we show that adding only a minor amount of CH<sub>3</sub>CN (<i>V/V</i>, 3/97) to the conventional BF<sub>3</sub>·OEt<sub>2</sub>/COH/CH<sub>2</sub>Cl<sub>2</sub>/St system affords polystyrene with narrow dispersity (<i>M</i><sub>w</sub>/<i>M</i><sub>n</sub>, Đ ≈ 1.3). Notably, the <i>M</i><sub>n</sub> increases linearly with conversion and closely matches the <i>M</i><sub>n.calcd</sub>. <sup>1</sup>H-nuclear magnetic resonance (<sup>1</sup>H-NMR) analysis and comparative experiments with the BF<sub>3</sub>·CH<sub>3</sub>CN co-initiation system indicate CH<sub>3</sub>CN does not coordinate strongly with BF<sub>3</sub> compared to diethyl ether (OEt<sub>2</sub>); however, it stabilizes the propagating carbocation and decreases the the propagation rate constant (<i>k</i><sub>p</sub>), which leads to a narrower dispersity in the product. Lowering the temperature to −25 °C further extends the active-chain lifetime. This strategy is also effective for other low-reactivity styrene monomers, including <i>p</i>-chlorostyrene (<i>p</i>ClSt) and <i>p</i>-chloromethylstyrene (<i>p</i>CMSt), and is even applicable to the relatively more reactive <i>p</i>-methylstyrene (<i>p</i>MeSt), offering a versatile metal-free route to the synthesis of styrenic polymers with a narrow dispersity.</p><div><figure><div><div><picture><source><img></source></picture></div></div></figure></div></div>","PeriodicalId":517,"journal":{"name":"Chinese Journal of Polymer Science","volume":"44 9","pages":"2990 - 3001"},"PeriodicalIF":4.6,"publicationDate":"2026-07-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148909493","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"From Global to Localized Illumination: Tunable Photo-induced Patterns in a Ternary Reaction-diffusion System","authors":"Zhuo-Hang Cai, Chang-Hao Li, Jian-Feng Li","doi":"10.1007/s10118-026-3753-z","DOIUrl":"10.1007/s10118-026-3753-z","url":null,"abstract":"<div><p>Photo-induced reaction-diffusion systems provide a valuable theoretical framework for exploring nonequilibrium self-organization under external energy input. Most existing studies have focused on binary mixtures subjected to globally uniform driving, whereas realistic chemical and biological systems are typically multicomponent and experience strongly localized energy supply. In this work, we extend photo-induced reaction-diffusion models to a multicomponent setting and systematically investigate pattern formation in a minimal three-component system. By combining numerical simulations with linear stability analysis, we find illumination can induce periodic nonequilibrium structures, whose characteristic length scales can be tuned by the input energy density and intrinsic molecular energetic parameters. We further introduce localized illumination to capture the effects of spatially heterogeneous energy input. Under such conditions, a theoretical phase diagram for pattern formation is constructed, revealing distinct spatial morphologies, including dot patterns and target-like structures. In addition, we explicitly examine the nonnegativity of entropy production for both globally and locally illuminated systems. These results provide a unified and physically consistent framework for understanding photo-induced pattern formation in multicomponent nonequilibrium systems and are also applicable to photoexcitation-controlled supramolecular systems such as persulfurated-arene/block-copolymer assemblies.</p><div><figure><div><div><picture><source><img></source></picture></div></div></figure></div></div>","PeriodicalId":517,"journal":{"name":"Chinese Journal of Polymer Science","volume":"44 10","pages":"3586 - 3596"},"PeriodicalIF":4.6,"publicationDate":"2026-07-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149098701","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Polyacrylonitrile (PAN)-derived Carbon Modification of Polysilazane Composite SiCNO/C as a High-performance Anode Material for Lithium-ion Batteries","authors":"Yi-Han Li, Yi-Wen Zhang, Jun-Hong Liu, Wen-Ze Xiao, Wen-Han Zang, Jing-Jiang Sun, Jian-Jiang He, Qing-Fu Wang, Wei Zhao","doi":"10.1007/s10118-026-3742-2","DOIUrl":"10.1007/s10118-026-3742-2","url":null,"abstract":"<div><p>Silicon-based anodes are promising candidates for next-generation lithium-ion owing to their high theoretical specific capacity. However, their practical application is limited by their severe volume expansion and poor electronic conductivity during cycling, which results in rapid capacity fading. To address these challenges, a novel polymer-derived ceramic (PDC) precursor, PSZ/PAN, was designed and synthesized by integrating polysilazane (PSZ) with polyacrylonitrile (PAN). The synthesis involved an initial free-radical polymerization of PSZ to form a crosslinked network, followed by <i>in situ</i> introduction and polymerization of acrylonitrile, yielding a PSZ/PAN hybrid with an interpenetrating network structure at the molecular level. Upon pyrolysis, the resulting SiCNO/C hybrid anode exhibited a high reversible specific capacity of 1050.1 mAh·g<sup>−1</sup> at 500 mA·g<sup>−1</sup> and excellent cycling stability, retaining 73.2% of its initial capacity after 600 cycles. This molecular-level interpenetrating design of polymer-derived ceramics provides a promising strategy for the development of high-performance anode materials for lithium-ion batteries.</p><div><figure><div><div><picture><source><img></source></picture></div></div></figure></div></div>","PeriodicalId":517,"journal":{"name":"Chinese Journal of Polymer Science","volume":"44 10","pages":"3542 - 3554"},"PeriodicalIF":4.6,"publicationDate":"2026-07-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149098702","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Gennady I. Makarov, Irina N. Vikhareva, Oleg I. Bol’shakov
{"title":"Molecular Dynamics Investigation of the Mechanism of Poly(vinyl chloride) Plasticization by Dicarboxylic Acid Esters","authors":"Gennady I. Makarov, Irina N. Vikhareva, Oleg I. Bol’shakov","doi":"10.1007/s10118-026-3736-0","DOIUrl":"10.1007/s10118-026-3736-0","url":null,"abstract":"<div><p>Polymer compositions based on plasticized poly(vinyl chloride) (PVC) are extremely widely used in engineering and everyday life. Diester plasticizers based on aliphatic dicarboxylic acids are currently considered as new, environmentally friendly, and less toxic plasticizers for poly(vinyl chloride). In the present work, the structural organization of polymer compositions based on poly(vinyl chloride) plasticized with dicarboxylic acid diesters—dibutoxyethyl glutarate, dibutoxyethyl adipate, octyl butoxyethyl adipate, dibutoxyethyl azelate, and dibutoxyethyl sebacate—was studied using molecular dynamics modeling methods. The methodology of fragment condensation was used to obtain three-dimensional models of the dense polymer phase. It is shown that the intensity of intermolecular interactions between PVC chains and plasticizer molecules, as well as the degree of uniformity of the plasticizer’s spatial distribution, directly affect the characteristics of the temperature dependence of the mechanical loss tangent. Thereby, the heterogeneity of the plasticizer distribution at the nanoscale level, determined by its tendency to associate, significantly affects the width of the glass transition. The data suggest a possible transition from a plasticization mechanism characteristic of short-chain diesters (associated with a higher number of directional Cl…O contacts) to a mechanism of bulk dispersion spacing of PVC chains for long-chain esters. This interpretation is consistent with the observed differences in thermal stability and low-temperature flexibility. These conclusions are based on a limited set of five plasticizers and a specific MD/fragment-condensation framework; therefore, they should be considered as preliminary and model-dependent.</p><div><figure><div><div><picture><source><img></source></picture></div></div></figure></div></div>","PeriodicalId":517,"journal":{"name":"Chinese Journal of Polymer Science","volume":"44 10","pages":"3597 - 3609"},"PeriodicalIF":4.6,"publicationDate":"2026-07-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149098700","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Molecular Segregation and Melt Memory in Dilute Polycaprolactone with Reduced Entanglements","authors":"Ce Shi, Jia-Le Zeng, Ze-Fan Wang, Yong-Feng Men","doi":"10.1007/s10118-026-3695-5","DOIUrl":"10.1007/s10118-026-3695-5","url":null,"abstract":"<div><p>In polymer processing, low-molecular-weight chemically identical oligomers are typically added to a polymer to improve its processability and mechanical properties by manipulating its entanglement concentration. However, the complicated semi-crystalline morphologies and melt memory effect of less entangled bimodal dispersed mixtures cannot be overlooked. In this study, we systematically examined the crystallization and self-nucleation behavior of poly(<i>ε</i>-caprolactone) (PCL) mixtures composed of a relatively high-molecular-weight (83 kg/mol) fraction and a low-molecular-weight PCL with a mid-chain defect (2 kg/mol). The entanglement concentrations were quantified by linear rheological measurements. Both thermal analysis and small-angle X-ray scattering (SAXS) investigations revealed that pronounced crystallization-induced phase separation (<i>i.e.</i>, molecular segregation) occurs because of the different nucleation energy barriers. In contrast to our previous investigation using a long chain fraction with a higher molecular weight (200 kg/mol) (<i>Macromolecules</i> <b>2024</b>, <i>57</i>, 1632–1641), the low-molecular-weight oligomer tends to crystallize between adjacent crystalline lamellae composed of long PCL chains due to the lack of intra-crystalline links, for example, entanglements and tie-molecules. The correlation between the melt memory effect and the entanglement concentration was evaluated using self-nucleation experiments. The 2 kg/mol PCL oligomer (with a central defect) did not exhibit melt memory. However, the introduction of high-molecular-weight components, even below the critical entanglement concentration, leads to a wider temperature range, preserving the ordered structure. Our results provide solid evidence that the melt memory effect in polar semi-crystalline polymers originates from the intramolecular interactions of adjacent chain folding rather than entanglements or chain overlaps.</p><div><figure><div><div><picture><source><img></source></picture></div></div></figure></div></div>","PeriodicalId":517,"journal":{"name":"Chinese Journal of Polymer Science","volume":"44 9","pages":"3104 - 3118"},"PeriodicalIF":4.6,"publicationDate":"2026-07-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148909447","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Zinc Ferrite as an Eco-friendly Synergist for Decabromodiphenyl Ethane in Acrylonitrile Butadiene Styrene: an Effective Alternative to Antimony Trioxide for Enhanced Flame Retardancy","authors":"Ge-Hao Guo, Miao-Miao Tian, Meng-Yuan Zheng, Qing-Hua Peng, Xiang Tan, Chang-Hui Luo, Jun Sun, Xiao-Yu Gu, Hong-Fei Li, Sheng Zhang","doi":"10.1007/s10118-026-3737-z","DOIUrl":"10.1007/s10118-026-3737-z","url":null,"abstract":"<div><p>Acrylonitrile butadiene styrene (ABS) is widely used owing to its excellent mechanical properties, thermal stability, and processability; however, its poor inherent flame retardancy limits its applications, which require higher safety. Conventional flame-retardant ABS systems mainly rely on a bromine-antimony synergistic system, in which antimony trioxide (ATO) is costly and environmentally concerning. In this study, decabromodiphenylethane (DBDPE) and ATO were first selected as the flame-retardant systems and combined at a mass ratio of 3:1. The results showed that the ABS/12DBDPE/4ATO composite achieved a UL-94 V-0 rating with a limiting oxygen index (LOI) of 24.0%. Subsequently, zinc ferrite (ZF) nanoparticles were synthesized <i>via</i> a co-precipitation method and employed as partial substitutes for ATO in ABS composites. When 50 wt% ATO was replaced by ZF, the ABS/12DBDPE/2ATO/2ZF composite exhibited an increased LOI value of 26.9%, while still achieving a UL-94 V-0 rating. Compared with neat ABS, the peak heat release rate (PHRR) and total heat release (THR) were reduced by 62.1% and 46.3%, respectively. Furthermore, incorporating 5 wt% nitrile butadiene rubber (NBR) significantly improved the toughness of the composite, increasing the impact strength from 3.8 kJ/m<sup>2</sup> to 13.2 kJ/m<sup>2</sup>, without compromising flame retardancy. Overall, this study demonstrates an effective and practical strategy to reduce ATO usage while simultaneously enhancing the fire safety and mechanical performance of ABS.</p><div><figure><div><div><picture><source><img></source></picture></div></div></figure></div></div>","PeriodicalId":517,"journal":{"name":"Chinese Journal of Polymer Science","volume":"44 10","pages":"3501 - 3512"},"PeriodicalIF":4.6,"publicationDate":"2026-07-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149099213","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Investigation of Bio-based Acrylate Reactive Diluents for UV-curable Electronic Packaging Polyurethane Adhesives","authors":"Yun-Tao Li, Shun-Peng Sun, Ya-Meng Jia, Shu-Sheng Li, Chuan-Yong Zong, Xu-Bao Jiang, Xiao-Li Zhu","doi":"10.1007/s10118-026-3723-5","DOIUrl":"10.1007/s10118-026-3723-5","url":null,"abstract":"<div><p>Traditional acrylate reactive diluents, which are derived from fossil resources, are known to exhibit significant irritation and allergenic potential, leading to their prohibition in high-end electronics, particularly in wearable devices. To address these limitations, four bio-based acrylate reactive diluents (BRDs) were synthesized <i>via</i> the reaction of alcohols derived from renewable sources, piperitol, vanillin, eugenol, and isosorbide, with methacrylic anhydride. The viscosity of the synthesized BRDs and the <i>T</i><sub>g</sub> of their corresponding polymers were systematically evaluated and compared with those of the petroleum-based diluent isobornyl acrylate (IBOA). The BRDs were then blended with acrylate-terminated polyurethane (APU) to formulate a series of UV-curable polyurethane adhesives (APU-BRDs). The results suggest that BRDs effectively reduce the viscosity of APU. By selecting and combining BRDs, the bonding strength of APU-BRDs to polar substrates such as PC and glass can reach 20 MPa. Even for non-polar substrates like PE, the strength is close to 5 MPa. The values obtained in this study exceed those of adhesives prepared using the conventional petroleum-based diluent IBOA. Furthermore, the study explored the potential application of APU-BRDs in smart wearable devices, confirming their suitability for next-generation wearable technology.</p><div><figure><div><div><picture><source><img></source></picture></div></div></figure></div></div>","PeriodicalId":517,"journal":{"name":"Chinese Journal of Polymer Science","volume":"44 10","pages":"3463 - 3475"},"PeriodicalIF":4.6,"publicationDate":"2026-07-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149099211","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Intrinsically Stretchable Films via Blending Conjugated Polymer and Carbazole Semiconductor Fluid Plasticizer for Flexible Polymer Light-emitting Diodes","authors":"Ying-Ying Zheng, Zhi-Qiang Zhuo, Ning-Ning Yu, Ming-Jian Ni, Li-Li Sun, Bin Liu, Jing-Yao Ma, You-Tian Tao, Jin-Yi Lin, Man Xu, Wei Huang","doi":"10.1007/s10118-026-3718-2","DOIUrl":"10.1007/s10118-026-3718-2","url":null,"abstract":"<div><p>Fully <i>π</i>-conjugated polymers are promising for flexible optoelectronics; however, their inherent brittleness poses a challenge for achieving high-performance flexible electronic devices. In this study, we developed a carbazole-based semiconductor fluid plasticizer, TODPFCZ, to simultaneously enhance the stretchability and optoelectronic properties of poly(9,9-di-n-octylfluorene-<i>alt</i>-benzothiadiazole) (F8BT) films using an external plasticizing strategy. The fluid TODPFCZ molecules incorporated into the F8BT matrix disrupted interchain <i>π</i>-<i>π</i> stacking and crystallinity, which significantly enhanced the stretchability, increasing the fracture strain from 18% to 44% and the crack-onset strain from 5% to 35%. Owing to the efficient energy transfer from TODPFCZ to F8BT, polymer light-emitting diodes (PLEDs) based on the optimized blend films showed stable electroluminescence and maintained efficiency even after being pre-strained up to 15%, revealing outstanding stress tolerance. The blended films also exhibited excellent recoverability and thermoplasticity. This study demonstrates that carbazole-based semiconductor fluid plasticizers provide a versatile and effective pathway for designing high-performance, intrinsically stretchable, fully <i>π</i>-conjugated polymers for durable flexible electronics.</p><div><figure><div><div><picture><source><img></source></picture></div></div></figure></div></div>","PeriodicalId":517,"journal":{"name":"Chinese Journal of Polymer Science","volume":"44 10","pages":"3287 - 3296"},"PeriodicalIF":4.6,"publicationDate":"2026-07-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149099212","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}