Mechanical Strong, Highly Adhesive, Recyclable and Transparent Supramolecular Silicone Coatings with Easy Water/Oil Sliding

Lin, Yucai; Chen, Feng; Yang, Shaopeng; Gong, Shuyue; Luo, Yong; Wei, Fangfang; Ding, Fu-Chuan; Bai, Weibin; Jian, Rong-Kun

doi:10.1007/s10118-023-2966-7

Cited by 2 publications

(2 citation statements)

References 42 publications

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“…8.0 MJ·m −3 ), strong interfacial adhesion (up to ~9.0 Mpa) to various substrates (stainless steel, aluminium, copper, epoxy and glass) and good reusability [52].…”

Section: Silicones Crosslinked With Multiple Paired Hydrogen Bondsmentioning

confidence: 99%

“…Silicones crosslinked by UPY display outstanding properties that can be related both to high association energy of quadruple hydrogen bonds and microphase separation. Silicone elastomers with UPY groups in their side chains displayed an excellent mechanical performance (stiffness~272 MPa; toughness~8.0 MJ·m −3 ), strong interfacial adhesion (up to ~9.0 Mpa) to various substrates (stainless steel, aluminium, copper, epoxy and glass) and good reusability [ 52 ].…”

Section: General Characteristics Of Self-healing Mechanisms In Silico...mentioning

confidence: 99%

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Synergistic Self-Healing Enhancement in Multifunctional Silicone Elastomers and Their Application in Smart Materials

Kowalewska,

Majewska-Smolarek

2024

Polymers

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Organosilicon polymers (silicones) are of enduring interest both as an established branch of polymer chemistry and as a segment of commercial products. Their unique properties were exploited in a wide range of everyday applications. However, current silicone trends in chemistry and materials engineering are focused on new smart applications, including stretchable electronics, wearable stress sensors, protective coatings, and soft robotics. Such applications require a fresh approach to methods for increasing the durability and mechanical strength of polysiloxanes, including crosslinked systems. The introduction of self-healing options to silicones has been recognized as a promising alternative in this field, but only carefully designed multifunctional systems operating with several different self-healing mechanisms can truly address the demands placed on such valuable materials. In this review, we summarized the progress of research efforts dedicated to the synthesis and applications of self-healing hybrid materials through multi-component systems that enable the design of functional silicon-based polymers for smart applications.

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“…8.0 MJ·m −3 ), strong interfacial adhesion (up to ~9.0 Mpa) to various substrates (stainless steel, aluminium, copper, epoxy and glass) and good reusability [52].…”

Section: Silicones Crosslinked With Multiple Paired Hydrogen Bondsmentioning

confidence: 99%

Section: General Characteristics Of Self-healing Mechanisms In Silico...mentioning

confidence: 99%

Synergistic Self-Healing Enhancement in Multifunctional Silicone Elastomers and Their Application in Smart Materials

Kowalewska,

Majewska-Smolarek

2024

Polymers

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Aging-Resistant, High-Strength, Reprocessable, and Recyclable Silicones through Dynamic Thiol–Maleimide Chemistry

Huang,

Du,

Deng

et al. 2024

Ind. Eng. Chem. Res.

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Dynamic covalent cross-linked silicones have novel self-healing, reprocessing, and recycling capabilities. However, they are still challenged by weak mechanical properties and the deterioration of the intrinsic physicochemical properties, of silicones caused by the susceptibility of dynamic covalent bonds to external environmental factors. Herein, the aging-resistant, high-strength, reprocessable, and recyclable silicone and composite are developed by the facile thiol−maleimide click chemistry between thiol, phenyl-functionalized polysiloxane, and bismaleimide. The resultant silicones show a maximum tensile strength of about 38 MPa and a glass transition temperature of about 160 °C. Meanwhile, they also have excellent aging resistance to heat (150 °C), alkali (pH ≈ 14), acid (pH ≈ 1), humidity, and nonpolar organic solvents, where the tensile strength still remains about over 90% after being treated by these environmental factors for 84 h. Moreover, the pulverized silicone can be thermally compressed into new materials at 220 °C for 1 h due to the thermally activated dynamic reversibility of thiol−maleimide chemistry, and the tensile strength can completely recover, even after three reprocessing cycles. Furthermore, the fabricated carbon fiber/silicone composites with a tensile strength of 103 MPa can be recycled for matrix and carbon fiber when they are chemically degraded at 90 °C, and the recycled materials can be used to prepare new composites with the efficient recovery of mechanical properties. Therefore, this aging-resistant, high-strength, reprocessable, and recyclable silicone can simultaneously meet the requirements of mechanical properties and structural stability during future industrial applications.

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Mechanical Strong, Highly Adhesive, Recyclable and Transparent Supramolecular Silicone Coatings with Easy Water/Oil Sliding

Cited by 2 publications

References 42 publications

Synergistic Self-Healing Enhancement in Multifunctional Silicone Elastomers and Their Application in Smart Materials

Synergistic Self-Healing Enhancement in Multifunctional Silicone Elastomers and Their Application in Smart Materials

Aging-Resistant, High-Strength, Reprocessable, and Recyclable Silicones through Dynamic Thiol–Maleimide Chemistry

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