Article
Polymer Science
Hideaki Ono, Yasutaka Kawai, Seisuke Ata, Hiroyuki Minamikawa, Kazuma Kurihara, Shinji Tanaka, Masaru Yoshida
Summary: A series of multiblock copolymers with a combination of biomass-originated and biodegradable poly(butylene succinate) (PBS) and poly(2-pyrrolidone) (PA4) units were synthesized with different mean degrees of polymerization (mDP) for each unit. The multiblock structure allows the two components to mix in solution-cast films, despite their inherent immiscibility. The mechanical properties of the films were found to be highly dependent on the mDP of each unit, as demonstrated by tensile tests. The copolymer film with the lowest mDP for each unit (PBS: 17, PA4: 10) was transparent and exhibited high elongation at break (>400%) and high tensile stress (39.5 MPa) with strain hardening. Films with 50% or higher crystallinity were brittle and opaque, while a decrease in crystallinity resulted in higher elongation, as revealed by wide-angle X-ray diffraction measurements.
MACROMOLECULAR RAPID COMMUNICATIONS
(2023)
Article
Polymer Science
Maryam Safari, Ricardo A. Perez Camargo, Laura Ballester-Bayarri, Guoming Liu, Agurtzane Mugica, Manuela Zubitur, Dujin Wang, Alejandro J. Mueller
Summary: This study explores the possibility of blending PBS and PCL with BSxCLy copolymers and systematically studies the crystallization behavior of the blends. The results show that the PBS/BS78CL22 blend exhibits good miscibility at high PBS content, while the PCL/BS15CL85 blend still displays partial miscibility at high PCL content. The BS46CL54 copolymer can crystallize in both PBS and PCL type crystals, depending on the polymeric matrix.
Review
Polymer Science
S. Ayu Rafiqah, Abdan Khalina, Ahmad Saffian Harmaen, Intan Amin Tawakkal, Khairul Zaman, M. Asim, M. N. Nurrazi, Ching Hao Lee
Summary: Research shows that PBS-based natural fiber composites have good biodegradability and strong physical properties, offering great potential in replacing petroleum-based materials. Current research efforts focus on the synthesis, copolymers, and degradability of PBS, providing new insights and approaches for the development in this field.
Article
Polymer Science
Marijana Ponjavic, Sanja Jevtic, Marija S. Nikolic
Summary: Multiblock copolymers comprising biodegradable polyesters poly(epsilon-caprolactone) (PCL) and poly(butylene succinate) (PBS) were successfully synthesized through chain-extension reaction. The composition and structure of these copolymers significantly influenced their biodegradability properties.
JOURNAL OF POLYMER RESEARCH
(2022)
Article
Polymer Science
Mengyang Zhou, Kangjing Zhang, Zhiguo Jiang, Zhaobin Qiu
Summary: Novel PBS-b-PDEGT multiblock copolyesters with different mass ratios of amorphous hard PDEGT and crystallizable soft PBS segments were successfully synthesized in this study. These copolyesters showed high thermal stability and significantly improved elongation at break compared to PBS homopolymer. The introduction of PDEGT segment slightly reduced the melting point while increasing the elongation at break.
Article
Polymer Science
Carlos Perez-Valdez, Guillermina Burillo, Rodrigo Navarro, Angel Marcos-Fernandez
Summary: PBS and PBSA were irradiated with gamma radiation up to a dose of 400 kGy, resulting in the formation of gel content. PBSA exhibited higher gel content compared to PBS. Analysis revealed that chain scission predominated over crosslinking. Branching and chain scission increased the dispersity and affected the molecular weight. NMR analysis showed the appearance of new species and changes in species with increasing dose. The thermal properties, especially crystallization temperature, were significantly affected by irradiation. Mechanical properties of both polymers were greatly reduced, making them fragile even at low doses.
Article
Polymer Science
Yi Li, Guoyong Huang, Cong Chen, Xue-Wei Wei, Xi Dong, Wei Zhao, Hai-Mu Ye
Summary: By incorporating AD units into PBS chains, the crystallization temperature and crystallinity of PBS can be depressed, while the primary nucleation capability is significantly strengthened without altering crystal modification or crystallization kinetics. The presence of specific interactions among AD units is crucial for the performance of PBSAD, and further investigation may lead to the design of superior PBS copolymers in the future.
Article
Polymer Science
Adriana Nicoleta Frone, Marius Stelian Popa, Catalina Diana Usurelu, Denis Mihaela Panaitescu, Augusta Raluca Gabor, Cristian Andi Nicolae, Monica Florentina Raduly, Anamaria Zaharia, Elvira Alexandrescu
Summary: A series of PBSe aliphatic polyesters were successfully synthesized through melt polycondensation, with their properties tunable by adjusting the feed ratio of Se and BDO. The addition of PBSe enhanced the flexibility and melt processability of PLA, showcasing the plasticizing efficiency of these bio-derived polyesters.
Review
Polymer Science
Massimiliano Barletta, Clizia Aversa, Muhammad Ayyoob, Annamaria Gisario, Kotiba Hamad, Mehrshad Mehrpouya, Henri Vahabi
Summary: The development of biodegradable and compostable materials, such as polybutylene succinate (PBS), as alternatives to fossil-based plastics is highly important. PBS is a compostable aliphatic polyester with good mechanical strength and thermal resistance. However, it is often blended with other polymers, fillers, and additives to improve processability and mechanical performance. Recent advances in polymer blending processes have made PBS blends an interesting material platform for applications requiring a balance of mechanical strength, flexibility, thermal resistance, and compostability.
PROGRESS IN POLYMER SCIENCE
(2022)
Article
Polymer Science
Weihua Tian, Zhu Tu, Lipeng Liu, Zhiyong Wei
Summary: A series of bio-based random copolymers, PBSGA and PBSLA, with similar comonomer content, were synthesized by incorporating glycolic acid (GA) or L-lactic acid (L-LA) into poly(butylene succinate) (PBS) macromolecular chains. These copolymers exhibited good mechanical properties and degradation rate without altering the crystallization mechanism and crystal morphology.
POLYMER DEGRADATION AND STABILITY
(2022)
Article
Polymer Science
Moein Zarei, Miroslawa El Fray
Summary: Polymeric materials have a wide range of applications due to their controllable properties. In this study, a series of PBS-DLS-PEG copolymers were synthesized with different molecular weights of PEG to investigate their surface and thermal properties. The incorporation of higher molecular weight PEG improved the surface wettability of the materials while maintaining their thermal properties.
Article
Polymer Science
Wen Lin, Yujin Zhao, Tingting Su, Zhanyong Wang
Summary: The degradation behavior of PBAT films by different concentrations of Fusarium solani cutinase (FsC) was investigated. It was found that FsC could degrade both the amorphous region and the crystalline region of PBAT films, and its degradation activity was concentration-dependent. High concentration of FsC resulted in significant degradation of PBAT films, while low concentration had less apparent effect. FsC concentration and degradation time did not significantly affect the molecular weight of degraded PBAT.
POLYMER DEGRADATION AND STABILITY
(2023)
Article
Materials Science, Composites
Sommai Pivsa-Art, Weraporn Pivsa-Art
Summary: This study experimentally synthesized bamboo fiber-reinforced biocomposites using bamboo fiber as filler and PBS as biodegradable polymer matrix. The research found that treated BF increased the tensile strength of the biocomposites, while higher BF content led to decreased elongation at break and increased Young's modulus. The biocomposites are suitable for packaging and indoor furniture parts.
POLYMER COMPOSITES
(2021)
Article
Polymer Science
Lei Hua, Xiaodong Wang
Summary: New biodegradable aliphatic PLLA-PBA-PLLA copolymers with different PLLA block lengths showed different structures and crystallization behaviors of PBA-mid, which were studied using various analytical techniques.
Article
Environmental Sciences
Subong Park, Bongseong Bae, Bong-jin Cha, Yun Jin Kim, Hyo Won Kwak
Summary: Nylon fishing nets cause damage to marine environments when lost, so a biodegradable poly(butylene succinate) (PBS) resin was developed. By adding adipic acid and ethylene glycol to PBS, poly(butylene adipate-co-butylene succinate-co-ethylene adipate-co-ethylene succinate) (PBEAS) resin with excellent properties and low melting point was synthesized. This resin can be used for gill nets, expanding the application of biodegradable fishing gear.
MARINE POLLUTION BULLETIN
(2023)
Article
Polymer Science
Yuanzhang Jiang, Xuyi Wang, Yanting Han, Dakai Gong, Yingchun Gu, Lin Tan
Summary: In this study, FeCl3 and poly(acrylic acid) (PAA) were doped into waterborne polyurethanes (WPUs) to create multifunctional materials with self-healing and antimicrobial properties. WPU/Fe/PAA-5.5, containing 5.5 wt % PAA, exhibited excellent mechanical properties, strong self-healing capabilities, and an impressive antimicrobial rate of over 90%. These supramolecular films were also highly recyclable through hot-pressing.
Article
Polymer Science
Longyu Tian, Min Wang, Guangming Liao, Baoliang Liu, Sujuan Zhang, Yucheng Sun, Zhen Meng, Jintao Zhang, Zaijun Lu
Summary: Two kinds of benzoxazine monomers were synthesized and used to prepare polybenzoxazine anion exchange membranes (AEMs) with quaternary ammonium functionalization. The LQPBZ AEM exhibited better ion conductivity and alkaline stability.
Article
Polymer Science
Claire A. Lemarchand
Summary: This study investigates the shock behavior of three different polymers through molecular dynamics simulations. The results reveal specificities in the shock behavior of polymers, including deviations from the linear relation between shock velocity and particle velocity, as well as differences in shear stress relaxation behind the shock front. It is found that the deviation of the Hugoniot locus is related to the change in the relative contribution of bonding and non-bonding potential energies, while polymers with higher glass transition temperatures exhibit slower shear stress relaxation.
Article
Polymer Science
Zengquan Liu, Xiaochun Yin, He Zhang, Shuo Gao, Qinglin Kuang, Yanhong Feng
Summary: A powder solid-state extension (PSSE) technology was proposed to address the high melt viscosity issue of UHMWPE. By uniaxial extension and sintering in the solid state, a highly self-reinforced material was prepared. X-ray diffraction and scattering techniques were used to study the structural evolution during the PSSE process, and a solid-phase induced transformation model was established.
Article
Polymer Science
Zhike Li, Anyu Luo, Rui Zhou, Xin Li, Haiyan Li
Summary: A novel high temperature resistance IL@SiO2 nanocapsules were successfully prepared and their friction and wear properties in PA6 composites were studied. The addition of IL@SiO2 nanocapsules reduced the friction coefficient and wear rate without affecting the mechanical properties of PA6. The synergy between the IL core and SiO2 wall in the nanocapsules improved the self-lubricating performance of the PA6 composites.
Article
Polymer Science
Xin Liu, Xuhong Guo, Qi Liao
Summary: In this study, an algorithm for accurately estimating viscosity is developed using molecular dynamics simulations and the Green-Kubo formula. This algorithm can be applied to complex systems with long correlations, such as macromolecular and biological simulation systems.
Article
Polymer Science
Hao Pu, Yun-Lei Hou, Jing -Zhou Chen, Dong -Lin Zhao
Summary: The use of modified graphene improves the interfacial adherence of carbon fibers to epoxy resin, resulting in enhanced interfacial and bending properties of CF and matrix in CF/EP composites, as well as increased interlaminar shear strength and flexural strength.
Article
Polymer Science
Wei-Chung Ke, Jin-Wei Lin, Manohar Reddy Busireddy, Yueh-Hsing Lee, Jiun-Tai Chen, Chain-Shu Hsu
Summary: This study introduces a crosslinkable monomer, TAIC, to synthesize three crosslinked polyimide films, which exhibit improved thermal, mechanical, and dielectric properties. The introduction of TAIC enhances the tensile strength, reduces the dielectric constant and dielectric loss, and decreases the coefficient of thermal expansion of the polyimide films.
Article
Polymer Science
Alex Kwasi Kumi, Ruiling Fan, Ye Chen, Yumei Zhang
Summary: The difference in leaching of amylopectin from cellulose/amylopectin/1-butyl-3-methylimidazolium chloride ([Bmim][Cl]) blends during regeneration in water and aqueous ethanol has been studied. Molecular dynamics simulations showed that the dissolution and regeneration mechanisms of amylopectin in [Bmim][Cl] are similar to cellulose in ionic liquids. Water regeneration leads to weak electrostatic interactions, resulting in high leaching of amylopectin. In contrast, ethanol-water interactions enhance electrostatic interactions among amylopectin chains, limiting amylopectin leaching in aqueous ethanol.
Article
Polymer Science
Xi Zeng, Junwei Zhou, Junbiao Peng, Chunsheng Zhang, Danling Wang, Yihu Song, Qiang Zheng
Summary: This study utilizes an oligomer deep eutectic solvent (DES) based on polyethylene glycol to regulate the vulcanization kinetics of rubber. The results show that the DES can accelerate vulcanization at low temperatures without affecting the crosslinking density and Mullins effect.
Article
Polymer Science
Qianqian Yue, Yongfei Peng, Xingjian Liu, Aihua He, Huarong Nie
Summary: The addition of metal deactivators can effectively suppress the aging of TBIR, prolong its lifespan, and have no negative effects on its physical and processing properties. These research findings are of great importance for improving the stability and aging resistance of polymers.
Article
Polymer Science
J. Gomez-Caturla, J. Ivorra-Martinez, R. Tejada-Oliveros, V Moreno, D. Garcia-Garcia, R. Balart
Summary: This work focuses on the development of environmentally friendly PLA formulations by using different esters derived from geraniol as plasticizers. The results show that these esters have good compatibility with PLA, and they can effectively enhance the elongation and plasticity of PLA, reduce its glass transition temperature, and slightly improve its water absorption capabilities.
Article
Polymer Science
Dandan Li, Zhaohui Lu, Zhao Ke, Ke Xu, Fengna Dai, Youhai Yu, Guangtao Qian, Chunhai Chen
Summary: In this study, cross-linked PI aerogel membranes with low dielectric constant and high moisture resistance were prepared by co-polymerization and scraping coating technology. The incorporation of fluorinated blocks and benzimidazole ring structures resulted in novel PI aerogel membranes with fascinating dielectric properties and outstanding moisture resistance.
Article
Polymer Science
Zhaoyang Chu, Qing Zhang, Haihua Luo, Han Zhou, Fapei Zhang, Wei Chen, Wenhua Zhang
Summary: Multi-physical fields solution processing strategy is a universal and facile method for preparing various conjugated polymer films and high-performance devices. In this study, we employed a combined microfluidic flow and ultrasonication strategy (FU) for processing CP solutions, and found a pronounced synergetic effect in promoting the pre-ordering of chains in solution. The conformation order and anisotropy of the solution were revealed through various characterizations. A non-classical nucleation model for polymer crystallization in non-equilibrium solution processing was confirmed. The roles of microfluidic flow and ultrasonication in chain aggregation and crystallization were addressed through multi-physical simulations. Compared to pristine solutions, the FU strategy showed improved solution anisotropy and crystallization kinetics, resulting in higher crystallinity in films and increased mobilities in OFET devices. The FU processing strategy provides a universal approach for regulating chain conformation and aggregation in conjugated polymer solutions.