Mechanically reinforced biodegradable starch-based polyester with the specific Poly(ethylene ether carbonate)

Chu, Chun-Yeh; Huang, Chiung-Cheng; Tseng, Tai-Wei; Tsai, Ping-Hsun; Wang, Ching-Huang; Chen, C. Will

doi:10.1016/j.polymer.2021.123512

Cited by 5 publications

(2 citation statements)

References 27 publications

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“…[5,6] Starch-based plastics are more available and cost-effective, yet the poor mechanical performance and high moisture sensitivity limit their application. [7][8][9][10][11] In addition, although being more eco-friendly than traditional plastics, most current bioplastics are also difficult to be degraded Herein, we report a thermally processable cellulosic material with competitive mechanical properties, high moisture resistance, as well as excellent recyclability and biodegradability. In our effort, we try to break the thermoforming of solid-state cellulose in the absence of plasticizers by reconstructing a dynamic covalent adaptable network (Figure 1A).…”

Section: Introductionmentioning

confidence: 99%

“…[ 5,6 ] Starch‐based plastics are more available and cost‐effective, yet the poor mechanical performance and high moisture sensitivity limit their application. [ 7–11 ] In addition, although being more eco‐friendly than traditional plastics, most current bioplastics are also difficult to be degraded or recycled industrially, and usually require large amounts of plasticizers in the thermomechanical processing. [ 11,12 ] Therefore, naturally degradable and direct thermo‐processable alternative plastics with competitive performance from abundant renewable feedstocks are being vigorously pursued.…”

Section: Introductionmentioning

confidence: 99%

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A Biodegradable, Waterproof, and Thermally Processable Cellulosic Bioplastic Enabled by Dynamic Covalent Modification

Zhou

Zhang

et al. 2023

Advanced Materials

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The growing environmental concern over petrochemical-based plastics continuously promotes the exploration of green and sustainable substitute materials. Compared with petrochemical products, cellulose has overwhelming superiority in terms of availability, cost, and biodegradability; however, cellulose's dense hydrogen-bonding network and highly ordered crystalline structure make it hard to be thermoformed. A strategy to realize the partial disassociation of hydrogen bonds in cellulose and the reassembly of cellulose chains via constructing a dynamic covalent network, thereby endowing cellulose with thermal processability as indicated by the observation of a moderate glass transition temperature (T g = 240 °C), is proposed. Moreover, the cellulosic bioplastic delivers a high tensile strength of 67 MPa, as well as excellent moisture and solvent resistance, good recyclability, and biodegradability in nature. With these advantageous features, the developed cellulosic bioplastic represents a promising alternative to traditional plastics.

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