Bio-based, self-healing, shape memory, UV-shielding and recyclable polyurethane elastomers by Epigallocatechin-3-gallate (EGCG) and polycaprolactone DOI

Yanming Zhong,

Xiao Wang,

Chaoshi Huang

et al.

Industrial Crops and Products, Journal Year: 2024, Volume and Issue: 222, P. 120114 - 120114

Published: Nov. 23, 2024

Language: Английский

Simultaneously Enhancing Mechanical Strength, Toughness, and Fire Retardancy of Biobased Polyurethane by Regulating Soft/Hard Segments and Crystallization Behavior DOI
Weijun Yang, Rui Zhang, Ning Ding

et al.

ACS Applied Polymer Materials, Journal Year: 2024, Volume and Issue: 6(3), P. 1973 - 1982

Published: Jan. 23, 2024

In this work, biobased flame-retardant polyurethanes were designed. First, a vanillin-based diol (VDP), as the hard segment, was prepared by condensation and addition reactions of vanillin with DDM (4,4′-diaminodiphenylmethane) DOPO (9,10-dihydro-9-oxa-10-phosphaphenanthrene-10-oxide). Then, polyurethane materials FRBPU-xP polycondensation reaction different contents VDP, crystallized polycaprolactone diol, HDI modulating amount (x) P. Interestingly, when VDP increased from 0 to 14.5 wt % (P = 1.0%) PCL decreased 82.4 64.8 %, Tg significantly −34.7 2.8 °C, while tensile strength 10.7 15.6 MPa elongation at break 822% 930%, showing simultaneous mechanical strengthening toughening. These behaviors can be ascribed (1) increase diols enhancement intermolecular interactions (2) decrease crystallinity 21.2% 14.5% due decreasing content inhibiting crystallization behavior induced which helped improve ductility material. Furthermore, LOI value FRBPU-0.5P reached 29.6%, material achieved UL-94 V-0 rating. addition, showed good reprocessability, FRBPU-1.0P had retention 72.6% 93.3% for its after thermal remolding, respectively. This work provides an idea preparation high-performance polyurethane.

Language: Английский

Citations

8
Self-Healing, Highly Stretchable Conductive Polyurethane Elastomers Containing Aniline Trimers with Shape Memory Effect DOI
Yujie Zhang, C. Y. Zhang, Zhishuai Cui

et al.

Polymer, Journal Year: 2025, Volume and Issue: unknown, P. 128139 - 128139

Published: Feb. 1, 2025

Language: Английский

Citations

1
Multi-responsive shape memory porous composites for self-powered sensors and self-sensing actuators DOI

Chunzi Lv,

Zhijian Zhou, Yuqi Li

et al.

Chemical Engineering Journal, Journal Year: 2023, Volume and Issue: 477, P. 147059 - 147059

Published: Oct. 31, 2023

Language: Английский

Citations

16
Super-tough polylactic acid blends via tunable dynamic vulcanization of biobased polyurethanes DOI

Tao Shou,

Qingsheng Dong,

Dexian Yin

et al.

Composites Part B Engineering, Journal Year: 2024, Volume and Issue: 276, P. 111363 - 111363

Published: March 6, 2024

Language: Английский

Citations

5
Super-tough polylactic acid blends via tunable dynamic vulcanization of polyurethanes with ultrahigh bio-based content DOI

Tao Shou,

Baili Wang,

Dexian Yin

et al.

Composites Communications, Journal Year: 2024, Volume and Issue: 48, P. 101940 - 101940

Published: May 21, 2024

Language: Английский

Citations

4
Reversible shape memory behavior of knitting-fabric reinforced polymer matrix composites DOI

Wenqing Du,

Haipeng Ren,

Weilin Xu

et al.

Composites Communications, Journal Year: 2024, Volume and Issue: 48, P. 101962 - 101962

Published: June 1, 2024

Language: Английский

Citations

4
Ultra-fast light repair, ultrasensitive, large strain detection range PDA@RGO/EVA composites fiber flexible strain sensor DOI

Shuolei Wang,

Zhonggui Zhang,

Zhao Li

et al.

Sensors and Actuators A Physical, Journal Year: 2024, Volume and Issue: 377, P. 115755 - 115755

Published: Oct. 1, 2024

Citations

4
High-performance shape memory cyanate ester with two-way shape memory effect and reconfigurability DOI

Zhangzhang Tang,

Qi Guo,

Lihe Guo

et al.

European Polymer Journal, Journal Year: 2025, Volume and Issue: unknown, P. 113735 - 113735

Published: Jan. 1, 2025

Language: Английский

Citations

0
Polyurethane‐Based Shape Memory Compression Stockings with Antimicrobial and Pressure Regulating Properties for the Relief of Chronic Venous Disease DOI Open Access

Dakai Gong,

Ziang Wang, Yuanzhang Jiang

et al.

Advanced Materials Technologies, Journal Year: 2025, Volume and Issue: unknown

Published: Jan. 28, 2025

Abstract Chronic venous disease (CVD) causes a heavy social and economic burden, which not only seriously diminishes the quality of life but also increases healthcare costs for patients. Herein, compression stocking fabricated with polyurethane fibers is developed, exhibits excellent antimicrobial shape memory properties. In particular, introduction 1,2‐hydroxyethylpiperazine (HEP) dramatically shortens relaxation time effectively promotes properties polyurethane. Furthermore, wet spinning knitting methods are applied to obtain stockings, whose interfacial pressure ranges from 8 35 mmHg can be regulated via initial tension trigger temperatures as needed. addition, stockings demonstrate properties, achieving an inactivation rate 99.99% against S. aureus E. coli , while superior cytocompatibility negligible skin irritation guarantee its biomedical applications. Overall, manage solve two major problems regulation bacterial infection CVD patients, highly important care this public health disease.

Language: Английский

Citations

0
Reversible Shape-Color Synchronous Dual-Response Flexible Poly(vinyl chloride)-Based Composite Film via Star-Shaped Diacetylene-Modified Poly(ε-caprolactone) DOI

Y.-Y. Zhang,

Peng Gao,

Rui Guan

et al.

ACS Applied Polymer Materials, Journal Year: 2025, Volume and Issue: unknown

Published: Jan. 30, 2025

Language: Английский

Citations

0