Body Temperature-Triggered Shape-Memory Effect via Toughening Sustainable Poly(propylene carbonate) with Thermoplastic Polyurethane: toward Potential Application of Biomedical Stents

Zeng, Bingbing; Li, Ying; Li-shen, Wang; Zheng, Yu; Shen, Jiabin; Guo, Shaoyun

doi:10.1021/acssuschemeng.9b06080

Cited by 34 publications

(31 citation statements)

References 48 publications

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“…PPC has a wide range of applications, and due to its widely exhibited properties, it is now widely used in film-like materials, cushioning foams [ 118 ], adhesives, medical materials [ 119 ], battery materials [ 120 ], sheets, plastic modification aids, toughening agents, coatings/inks and many other fields. It has the potential to replace PE and PP in the preparation of disposable materials [ 121 ].…”

Section: Applications Of Ppcmentioning

confidence: 99%

Research and Application of Polypropylene Carbonate Composite Materials: A Review

Meng

Zhang

et al. 2022

Polymers

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The greenhouse effect and plastic pollution caused by the accumulation of plastics have led to a global concern for environmental protection, as well as the development and application of biodegradable materials. Polypropylene carbonate (PPC) is a biodegradable polymer with the function of “carbon sequestration”, which has the potential to mitigate the greenhouse effect and the plastic crisis. It has the advantages of good ductility, oxygen barrier and biocompatibility. However, the mechanical and thermal properties of PPC are poor, especially the low thermal degradation temperature, which limits its industrial use. In order to overcome this problem, PPC can be modified using environmentally friendly materials, which can also reduce the cost of PPC-based products to a certain extent and enhance their competitiveness in terms of improving their mechanical and thermal properties. In this paper, we present different perspectives on the synthesis, properties, degradation, modification and post-modification applications of PPC. The modification part mainly introduces the influence of inorganic materials, natural polymer materials and degradable polymers on the performance of PPC. It is hoped that this work will serve as a reference for the early promotion of PPC.

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Section: Applications Of Ppcmentioning

confidence: 99%

Research and Application of Polypropylene Carbonate Composite Materials: A Review

Meng

Zhang

et al. 2022

Polymers

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“…For instance, there are commercially available monomers for the synthesis of such bio-based polyols as succinic acid, sebacic acid, 2,5-furanodicarboxylic, ethylene glycol, 1,3-propanodiol, and 1,4-butanodiol. In the research literature, we can find out information about the use of such bio-based polyols as poly(trimethylene succinate)s [ 4 ], poly(trimethylene glycol)s [ 2 , 14 ], and poly(propylene carbonate) [ 15 ] for the preparation of TPUs. Moreover, there are a lot of work that describe results of using polyols based on vegetable oils such as rapeseed oil [ 16 ], seed oil [ 17 ], and soybean oil [ 18 , 19 ].…”

Section: Introductionmentioning

confidence: 99%

Green TPUs from Prepolymer Mixtures Designed by Controlling the Chemical Structure of Flexible Segments

Kasprzyk

Głowińska

Parcheta-Szwindowska

et al. 2021

IJMS

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This study concerns green thermoplastic polyurethanes (TPU) obtained by controlling the chemical structure of flexible segments. Two types of bio-based polyether polyols—poly(trimethylene glycol)s—with average molecular weights ca. 1000 and 2700 Da were used (PO3G1000 and PO3G2700, respectively). TPUs were prepared via a two-step method. Hard segments consisted of 4,4′-diphenylmethane diisocyanates and the bio-based 1,4-butanodiol (used as a chain extender and used to control the [NCO]/[OH] molar ratio). The impacts of the structure of flexible segments, the amount of each type of prepolymer, and the [NCO]/[OH] molar ratio on the chemical structure and selected properties of the TPUs were verified. By regulating the number of flexible segments of a given type, different selected properties of TPU materials were obtained. Thermal analysis confirmed the high thermal stability of the prepared materials and revealed that TPUs based on a higher amount of prepolymer synthesized from PO3G2700 have a tendency for cold crystallization. An increase in the amount of PO3G1000 at the flexible segments caused an increase in the tensile strength and decrease in the elongation at break. Melt flow index results demonstrated that the increase in the amount of prepolymer based on PO3G1000 resulted in TPUs favorable in terms of machining.

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“…The microphase separation structure of TPU endows thermoplastic polymers with excellent shape-memory properties while the hard segments of TPU are used as a permanent phase for shapememory properties. 32 To endow the material with fast selfhealing properties, a low-melting-temperature healing agent is mixed into the TPU system. After heating, the healing agent melts and flows into the damaged area.…”

Section: ■ Introductionmentioning

confidence: 99%

“…It is reported that multifunctional materials with shape-memory and self-healing properties based on thermoplastic polymers have been synthesized by blending thermoplastic polyurethane (TPU) with a healing agent. The microphase separation structure of TPU endows thermoplastic polymers with excellent shape-memory properties while the hard segments of TPU are used as a permanent phase for shape-memory properties . To endow the material with fast self-healing properties, a low-melting-temperature healing agent is mixed into the TPU system.…”

Section: Introductionmentioning

confidence: 99%

Multifunctional Thermoplastic Polyurea Based on the Synergy of Dynamic Disulfide Bonds and Hydrogen Bond Cross-Links

Zhang

Chu

Xie

et al. 2020

ACS Appl. Mater. Interfaces

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Integrating the self-healing property with the shapememory effect is a strategy that extends the service lifetime of shape-memory materials. However, this strategy is inadequate to reshape and recycle through the self-healing property or liquidstate remoldability. For more types of damage, solid-state plasticity is needed as a complementary mechanism to broaden the reprocessing channels of smart materials. In this study, multifunctional thermoplastic polyureas cross-linked by urea hydrogen bonds are prepared, which possess the multipathway remodeling property. The shape transition can be triggered after heating above 65 °C. The synergistic effect of dynamic disulfide bonds and hydrogen bonds causes the thermoplastic polyureas to possess characteristics similar to those of associative covalent adaptable networks. Thus, the polyureas can repair the damage or reconfigure the shape at 75 °C in 15 min by solid-state plasticity, instead of going into a viscous flow state. Soft grippers with various shapes are prepared by integration of solid-state plasticity, and the structure and function of the grippers can be repaired. The integration of solid-state plasticity and the self-healing property broadens the paths of shape-memory polymers in recyclability and reshapability.

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Body Temperature-Triggered Shape-Memory Effect via Toughening Sustainable Poly(propylene carbonate) with Thermoplastic Polyurethane: toward Potential Application of Biomedical Stents

Cited by 34 publications

References 48 publications

Research and Application of Polypropylene Carbonate Composite Materials: A Review

Research and Application of Polypropylene Carbonate Composite Materials: A Review

Green TPUs from Prepolymer Mixtures Designed by Controlling the Chemical Structure of Flexible Segments

Multifunctional Thermoplastic Polyurea Based on the Synergy of Dynamic Disulfide Bonds and Hydrogen Bond Cross-Links

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