Preparation of degradable bio-based silicone/epoxy hybrid resins towards low dielectric composites

Long, Jun; Xue, Kangle; Liu, Hailong; Song, ZiDie; Liu, Ming; Yao, Tongjie; Liu, Li

doi:10.1016/j.eurpolymj.2022.111691

Cited by 11 publications

(10 citation statements)

References 45 publications

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“…This is due to the increase in the content of phenyl rings in the curing network, coupled with the increase in the epoxy value, which makes the molecular movement within the polymer chains more difficult, resulting in a significant reduction in the dissipated energy of the entire polymer. [ 3 ] Therefore, the peaks of tan δ data shifted toward higher temperatures.…”

Section: Resultsmentioning

confidence: 99%

“…Epoxy resin has superior mechanical properties, excellent resistance, and good processibility, and is widely used as coatings, inks and adhesives in construction, electronics, automotive, aerospace, and other fields. [1][2][3][4] However, it is imperative to note that over 90% of the epoxy resins on the market are predominantly derived from bisphenol A (BPA), [5] which relies heavily DOI: 10.1002/macp.202300424 on fossil resources. In addition, BPA appears to be toxic to organisms because its structure is similar to synthetic estrogens.…”

Section: Introductionmentioning

confidence: 99%

“…[6] In order to reduce dependence on petroleum-related resources and mitigate potential hazards to human health, the development of sustainable thermosetting epoxy resins has aroused great interest. [7] Numerous epoxy prepolymers have been successfully synthesized from bio-based materials, such as tannic acid, [8,9] catechol, [3,10,11] cardanol, [12,13] gallic acid, [14,15] and lignin. [16] Honokiol is a lignin-like compound extracted from a variety of plant, which has anti-inflammatory, antioxidant, anti-tumor, antibacterial, antidepressant, antiepileptic, neuroprotective, anti-myocardial ischemia, and inhibition of acetylcholinesterase and other pharmacological effects.…”

Section: Introductionmentioning

confidence: 99%

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Novel Bio‐Based Epoxy Resins with Long‐Silicone Chain from Honokiol

Chen,

Nie,

Liu

et al. 2024

Macro Chemistry & Physics

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In order to explore more sustainable epoxy resins, a series of novel bio‐based epoxy resins with long silicone‐chain (SIHOEP) were synthesized from honokiol. First, honokiol epoxy was synthesized from honokiol. Then, the hydrogen‐containing siloxane (HS) was copolymerized with honokiol epoxy, and the bio‐based epoxy resins with long silicone‐chain were prepared through the hydrosilylation reaction. Before curing with methyl hexahydrophthalic anhydride (MHHPA), the structure of SIHOEP was confirmed by Fourier‐transform infrared spectroscopy (FTIR) and nuclear magnetic resonance spectroscopy (1H NMR). The molecular weight of SIHOEP was analyzed by gel permeation chromatography (GPC). The results showed that the toughness of SIHOEP‐MHHPA was enhanced after curing, the maximum elongation at break reached 45.75%, and the glass transition temperature (Tg) was up to 92.9 °C. Long silicone‐chain segment could enhance the toughness of bio‐based epoxy. By adjusting the hydrogen content of long‐chain hydrogen‐containing siloxane and the reaction ratio, the overall performance of bio‐based epoxy silicone resins can be effectively controlled, which provides a valuable guide for the design of bio‐based epoxy materials with excellent mechanical properties. Meanwhile, the curing kinetics of bio‐based silicone/epoxy hybrid resins with methyl hexahydrophthalic anhydride (MHHPA) as curing agent was studied.This article is protected by copyright. All rights reserved

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Section: Resultsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

Novel Bio‐Based Epoxy Resins with Long‐Silicone Chain from Honokiol

Chen,

Nie,

Liu

et al. 2024

Macro Chemistry & Physics

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Section: Water Vapor Transmission Rate (Wvtr)mentioning

confidence: 99%

“…Prior to measurement, composite membrane samples are dried to a constant weight at 60 °C to remove the effect of residual water on the sample measurement. According to the method of Zhang et al, the cross-link density ( v e ) of the composite membranes is calculated by eq : v e = E ′ 3 R T Herein, T g is determined as the temperature at the maximum tan δ, and E ′, R , and T denote storage modulus, gas constant, and T g + 30 °C, respectively.…”

Section: Materials and Characterizationsmentioning

confidence: 99%

High-Toughness and High-Transparency Recyclable Poly(vinyl alcohol)-Based Organic–Inorganic Composite Membranes

Wang,

Zhong,

Yang

et al. 2023

ACS Sustainable Chem. Eng.

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In this paper, a recyclable and sustainable organic–inorganic composite membrane (hereafter referred to as PPS) was synthesized by solvent casting method using poly(vinyl alcohol) (PVA), phosphoric acid (H3PO4), and sodium silicate (Na2SiO3) as raw materials, aiming to reduce or even replace the use of conventional plastics. The effects of the concentrations of H3PO4 and Na2SiO3 on the membrane properties were investigated, and the results showed that the PPS material has a dense structure, good thermal stability, tensile strength up to 48.36 MPa, and elongation at break up to 520.44%. Compared with PVA, the tensile strength and elongation at break were increased by 1.64 and 5.79 times, respectively, and its hydrophilicity was reduced by 27%. The strength and stability of the material were improved through hydrogen bonding and esterification between the compounds, and the toughness and hydrophobicity of the material were enhanced. In addition, the disconnected composite membrane can be bonded by wet pressing and can be recycled to recast into a membrane after dissolving in water at 80 °C. The manufacture of PPS by solvent casting is simple, does not produce large amounts of toxic gases in production, is recyclable and sustainable, and meets the requirements of industrial environmental protection.

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Low‐temperature‐curable and photo‐patternable benzocyclobutene‐derived aggregation‐induced emission‐active polymer dielectrics

Yuan,

Xie,

Qian

et al. 2024

Aggregate

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The high curing temperatures required for traditional benzocyclobutene (BCB) materials have posed limitations on their applicability in high‐temperature‐sensitive fields. To address this challenge, our work focuses on the synthesis of a novel tetraphenylethylene (TPE)‐functionalized BCB monomer, TPE–BCB, achieved through the introduction of an ether bond onto the BCB's four‐membered ring via Williamson reaction. TPE–BCB demonstrates remarkable low‐temperature curing properties, characterized by a ring‐opening peak temperature of 190°C, representing a reduction of 60°C compared to conventional BCBs. Fully cured TPE–BCB resins exhibit exceptional dielectric and mechanical properties, coupled with minimal water absorption. Additionally, the incorporation of TPE with aggregation‐induced emission characteristics enhances the resins’ luminescence and photolithographic capabilities. Notably, our TPE–BCB resins achieve impressive photolithography performance with a resolution ratio of up to 10 μm. In contrast to conventional BCB‐functionalized resins, TPE–BCB offers the dual advantage of low‐temperature curing and luminescence. This development marks a significant step in the advancement of low‐temperature curing BCB materials and serves as a pioneering example in the realm of multilayer wafer bonding materials.

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Preparation of degradable bio-based silicone/epoxy hybrid resins towards low dielectric composites

Cited by 11 publications

References 45 publications

Novel Bio‐Based Epoxy Resins with Long‐Silicone Chain from Honokiol

Novel Bio‐Based Epoxy Resins with Long‐Silicone Chain from Honokiol

High-Toughness and High-Transparency Recyclable Poly(vinyl alcohol)-Based Organic–Inorganic Composite Membranes

Low‐temperature‐curable and photo‐patternable benzocyclobutene‐derived aggregation‐induced emission‐active polymer dielectrics

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