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Journal articles on the topic 'Reversible adhesives'

Author: Grafiati

Published: 14 March 2023

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1

Lu, Nanshu. "Reversible Dry Adhesives." Soft Robotics 3, no. 3 (2016): 99–100. http://dx.doi.org/10.1089/soro.2016.29009.nlu.

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2

Ciardiello, R., B. Martorana, VG Lambertini, and V. Brunella. "Iron-based reversible adhesives: Effect of particles size on mechanical properties." Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science 232, no. 8 (2017): 1446–55. http://dx.doi.org/10.1177/0954406217736552.

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A hot melt adhesive – mainly used for bonding plastic component in automotive field – was modified with different iron-based particles to give it a reversible behaviour. Mechanical and physical properties of these reversible adhesives were experimentally assessed in the work. The modified adhesives, coupled with electromagnetic induction, are able to guarantee separation of the joints without any damage to the substrates for recycling, reuse or repairing of components. Single lap joint specimens were prepared using epoxy/glass fibres substrates and tests were carried out on neat and modified a

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3

Viana, Ana S., and Romana Santos. "Nanoscale characterization of the temporary adhesive of the sea urchin Paracentrotus lividus." Beilstein Journal of Nanotechnology 9 (August 24, 2018): 2277–86. http://dx.doi.org/10.3762/bjnano.9.212.

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Background: Unlike the thin homogeneous films that are typical for adhesives produced by humans, biological adhesives present complex hierarchical micro- and nanostructures. Most studies on marine adhesives have focused on permanent adhesives, whereas the nanostructures of nonpermanent, temporary or reversible adhesives have only been examined in some organisms such as marine flatworms, barnacle cyprids, freshwater cnidaria and echinoderms such as sea cucumbers and sea stars. In this study, the first nanoscale characterization of sea urchin temporary adhesives was performed using atomic force

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4

Drotlef, D. M., C. B. Dayan, and M. Sitti. "Bio-inspired Composite Microfibers for Strong and Reversible Adhesion on Smooth Surfaces." Integrative and Comparative Biology 59, no. 1 (2019): 227–35. http://dx.doi.org/10.1093/icb/icz009.

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Abstract A novel approach for high-performance gecko-inspired adhesives for strong and reversible adhesion to smooth surfaces is proposed. The composite patterns comprising elastomeric mushroom-shaped microfibers decorated with an extremely soft and thin terminal layer of pressure sensitive adhesive. Through the optimal tip shape and improved load sharing, the adhesion performance was greatly enhanced. A high adhesion strength of 300 kPa together with superior durability on smooth surfaces are achieved, outperforming monolithic fibers by 35 times. Our concept of composite microfibrillar adhesi

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5

Hutchinson, Allan R., Patricia H. Winfield, and Ryan H. McCurdy. "Automotive Material Sustainability Through Reversible Adhesives." Advanced Engineering Materials 12, no. 7 (2010): 646–52. http://dx.doi.org/10.1002/adem.200900331.

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6

Bedenikovic, Theresa, Sigrid Eyb-Green, and Wolfgang Baatz. "Non-Aqueous Facing Methods in Paper Conservation – Part I: Testing Facing Materials." Restaurator. International Journal for the Preservation of Library and Archival Material 39, no. 3 (2018): 185–214. http://dx.doi.org/10.1515/res-2018-0009.

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Abstract This study focusses on non-aqueous facing methods in paper conservation. The aim was to develop facing systems which have sufficient adhesive strength to stabilize a paper-based object during a conservation treatment while at the same time being easily reversible after treatment without leaving any residues on the original. A variety of carrier materials, non-aqueous adhesives as well as different methods of adhesive application and activation were combined. Nylon, Rayon and Japanese tissue were coated with Klucel®, BEVA®, Aquazol®, Degalan®, Lascaux® and Plextol®. Adhesives were appl

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7

Kim, Jae-Kang, and Michael Varenberg. "Drawing-Based Manufacturing of Shear-Activated Reversible Adhesives." ACS Applied Materials & Interfaces 12, no. 17 (2020): 20075–83. http://dx.doi.org/10.1021/acsami.0c01812.

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8

Vattathurvalappil, Suhail Hyder, Syed Fahad Hassan, and Mahmoodul Haq. "Healing potential of reversible adhesives in bonded joints." Composites Part B: Engineering 200 (November 2020): 108360. http://dx.doi.org/10.1016/j.compositesb.2020.108360.

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9

Büscher, Thies H., Raunak Lohar, Marie-Christin Kaul, and Stanislav N. Gorb. "Multifunctional Adhesives on the Eggs of the Leaf Insect Phyllium philippinicum (Phasmatodea: Phylliidae): Solvent Influence and Biomimetic Implications." Biomimetics 5, no. 4 (2020): 66. http://dx.doi.org/10.3390/biomimetics5040066.

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Leaf insects (Phylliidae) are well-camouflaged terrestrial herbivores. They imitate leaves of plants almost perfectly and even their eggs resemble seeds—visually and regarding to dispersal mechanisms. The eggs of the leaf insect Phyllium philippinicum utilize an adhesive system with a combination of glue, which can be reversibly activated through water contact and a water-responding framework of reinforcing fibers that facilitates their adjustment to substrate asperities and real contact area enhancement. So far, the chemical composition of this glue remains unknown. To evaluate functional asp

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10

Cui, Wei, Ruijie Zhu, Yong Zheng, et al. "Transforming non-adhesive hydrogels to reversible tough adhesives via mixed-solvent-induced phase separation." Journal of Materials Chemistry A 9, no. 15 (2021): 9706–18. http://dx.doi.org/10.1039/d1ta00433f.

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Non-adhesive hydrogels are tailored to show tough adhesion to various solid surfaces by a universal phase-separation method. This method opens the possibility of utilizing non-adhesive hydrogels for emerging soft–rigid hybrid devices.

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11

Yu, Dan, Dirk Beckelmann, Michael Opsölder, et al. "Roll-to-Roll Manufacturing of Micropatterned Adhesives by Template Compression." Materials 12, no. 1 (2018): 97. http://dx.doi.org/10.3390/ma12010097.

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For the next generation of handling systems, reversible adhesion enabled by micropatterned dry adhesives exhibits high potential. The versatility of polymeric micropatterns in handling objects made from various materials has been demonstrated by several groups. However, specimens reported in most studies have been restricted to the laboratory scale. Upscaling the size and quantity of micropatterned adhesives is the next step to enable successful technology transfer. Towards this aim, we introduce a continuous roll-to-roll replication process for fabrication of high-performance, mushroom-shaped

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12

Liang, J., F. Liu, J. Zou, et al. "pH-Responsive Antibacterial Resin Adhesives for Secondary Caries Inhibition." Journal of Dental Research 99, no. 12 (2020): 1368–76. http://dx.doi.org/10.1177/0022034520936639.

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Secondary caries caused by dental plaque is one of the major reasons for the high failure rate of resin composite restoration. Although antimicrobial agent–modified dental restoration systems have been researched for years, few reported intelligent anticaries materials could respond to the change of the oral environment and help keep oral eubiosis. Herein, we report tertiary amine (TA)–modified resin adhesives (TA@RAs) with pH-responsive antibacterial effect to reduce the occurrence of secondary caries. Two kinds of newly designed TA monomers were synthesized: DMAEM (dodecylmethylaminoethyl me

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13

Yi, Hoon, Sung Ho Lee, Minho Seong, Moon Kyu Kwak, and Hoon Eui Jeong. "Bioinspired reversible hydrogel adhesives for wet and underwater surfaces." Journal of Materials Chemistry B 6, no. 48 (2018): 8064–70. http://dx.doi.org/10.1039/c8tb02598c.

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14

Sridhar, Laxmisha M., Murielle O. Oster, Donald E. Herr, Jonathan B. D. Gregg, James A. Wilson, and Andrew T. Slark. "Re-usable thermally reversible crosslinked adhesives from robust polyester and poly(ester urethane) Diels–Alder networks." Green Chemistry 22, no. 24 (2020): 8669–79. http://dx.doi.org/10.1039/d0gc02938f.

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15

Kim, Seok, Metin Sitti, Tao Xie, and Xingcheng Xiao. "Reversible dry micro-fibrillar adhesives with thermally controllable adhesion." Soft Matter 5, no. 19 (2009): 3689. http://dx.doi.org/10.1039/b909885b.

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16

Rodrigues, David D., Patricia H. Winfield, and Denise Morrey. "Disbonding Technology for Adhesive Reversible Assembly in the Automotive Industry." Materials Science Forum 765 (July 2013): 766–70. http://dx.doi.org/10.4028/www.scientific.net/msf.765.766.

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Development of the automotive industry is currently driven by three fundamental considerations, i.e. environment, safety and cost, within a strong legislative framework. The reduction of material waste, production stages and weight have become key factors within this scope in the design of vehicles. Therefore, it is important to make greater use of non-conventional materials to take advantage of their recyclability, light weight and mechanical properties, for example new alloys and reinforced polymeric matrix composites (PMC). The dissimilar nature of the materials makes adhesive bonding the p

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17

Yan, Qiming, Meng Zhou, and Heqing Fu. "A reversible and highly conductive adhesive: towards self-healing and recyclable flexible electronics." Journal of Materials Chemistry C 8, no. 23 (2020): 7772–85. http://dx.doi.org/10.1039/c9tc06765e.

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18

Ma, Shuanhong, Yang Wu, and Feng Zhou. "Bioinspired synthetic wet adhesives: from permanent bonding to reversible regulation." Current Opinion in Colloid & Interface Science 47 (June 2020): 84–98. http://dx.doi.org/10.1016/j.cocis.2019.11.010.

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19

Wasay, A., and D. Sameoto. "Gecko gaskets for self-sealing and high-strength reversible bonding of microfluidics." Lab on a Chip 15, no. 13 (2015): 2749–53. http://dx.doi.org/10.1039/c5lc00342c.

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We report a novel reversible bonding method for microfluidic devices using gecko-inspired dry adhesives that result in an instant high-strength bond suitable for pressure driven flows. The concept also provides for viable stick and play interconnections.

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20

Cho, Hyesung, Gaoxiang Wu, Jason Christopher Jolly, et al. "Intrinsically reversible superglues via shape adaptation inspired by snail epiphragm." Proceedings of the National Academy of Sciences 116, no. 28 (2019): 13774–79. http://dx.doi.org/10.1073/pnas.1818534116.

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Adhesives are ubiquitous in daily life and industrial applications. They usually fall into one of two classes: strong but irreversible (e.g., superglues) or reversible/reusable but weak (e.g., pressure-sensitive adhesives and biological and biomimetic surfaces). Achieving both superstrong adhesion and reversibility has been challenging. This task is particularly difficult for hydrogels that, because their major constituent is liquid water, typically do not adhere strongly to any material. Here, we report a snail epiphragm-inspired adhesion mechanism where a polymer gel system demonstrates supe

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21

Aubert, James H. "Note: Thermally removable epoxy adhesives incorporating thermally reversible diels-alder adducts." Journal of Adhesion 79, no. 6 (2003): 609–16. http://dx.doi.org/10.1080/00218460309540.

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22

Wu, Zhen, Chendong Ji, Xujie Zhao, et al. "Green-Light-Triggered Phase Transition of Azobenzene Derivatives toward Reversible Adhesives." Journal of the American Chemical Society 141, no. 18 (2019): 7385–90. http://dx.doi.org/10.1021/jacs.9b01056.

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23

Boesel, Luciano F., Christian Greiner, Eduard Arzt, and Aránzazu del Campo. "Gecko-Inspired Surfaces: A Path to Strong and Reversible Dry Adhesives." Advanced Materials 22, no. 19 (2010): 2125–37. http://dx.doi.org/10.1002/adma.200903200.

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24

Wang, Ruomiao, Xingcheng Xiao, and Tao Xie. "Viscoelastic Behavior and Force Nature of Thermo-Reversible Epoxy Dry Adhesives." Macromolecular Rapid Communications 31, no. 3 (2009): 295–99. http://dx.doi.org/10.1002/marc.200900594.

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25

Ren, Junyu, Hongxing Yang, Yingchen Wu, et al. "Dynamic reversible adhesives based on crosslinking network via Schiff base and Michael addition." RSC Advances 12, no. 24 (2022): 15241–50. http://dx.doi.org/10.1039/d2ra02299k.

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26

Zhu, Jingjing, Xiaomeng Lu, Wei Zhang, and Xiaokong Liu. "Substrate‐Independent, Reversible, and Easy‐Release Ionogel Adhesives with High Bonding Strength." Macromolecular Rapid Communications 41, no. 24 (2020): 2000098. http://dx.doi.org/10.1002/marc.202000098.

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27

Zhang, Chun, Yongping Bai, and Wenwen Liu. "Reversible adhesives based on acrylate copolymer modified by caffeic acid containing boroxin." Journal of Applied Polymer Science 137, no. 20 (2019): 48703. http://dx.doi.org/10.1002/app.48703.

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28

Lengerer, Birgit, Marie Bonneel, Mathilde Lefevre, et al. "The structural and chemical basis of temporary adhesion in the sea star Asterina gibbosa." Beilstein Journal of Nanotechnology 9 (July 30, 2018): 2071–86. http://dx.doi.org/10.3762/bjnano.9.196.

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Background: Marine biological adhesives are a promising source of inspiration for biomedical and industrial applications. Nevertheless, natural adhesives and especially temporary adhesion systems are mostly unexplored. Sea stars are able to repeatedly attach and detach their hydraulic tube feet. This ability is based on a duo-gland system and, upon detachment, the adhesive material stays behind on the substrate as a 'footprint'. In recent years, characterization of sea star temporary adhesion has been focussed on the forcipulatid species Asterias rubens. Results: We investigated the temporary

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29

Huang, Yanhua, Jianpan Yan, Dengxu Wang, Shengyu Feng, and Chuanjian Zhou. "Construction of Self-Healing Disulfide-Linked Silicone Elastomers by Thiol Oxidation Coupling Reaction." Polymers 13, no. 21 (2021): 3729. http://dx.doi.org/10.3390/polym13213729.

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Developing self-healing silicone elastomers are highly significant because of their promising applications. Herein, we present novel self-healing disulfide-linked silicone elastomers (SEs) based on thiol-terminated sulfur-containing heterochain polysiloxanes (P-SHs) and three thiol-containing crosslinkers, including pentaerythritol tetrakis(β-mercaptopropionate) (PETMP), octa(3-mercaptopropyl)silsesquioxane (POSS-SH), and poly[(mercaptopropyl)methylsiloxane] (PMMS), via the thiol oxidation coupling reactions. The construction of these SEs can rapidly proceed at room temperature. The effects of

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30

Seong, Minho, Hyun-Ha Park, Insol Hwang, and Hoon Eui Jeong. "Strong and Reversible Adhesion of Interlocked 3D-Microarchitectures." Coatings 9, no. 1 (2019): 48. http://dx.doi.org/10.3390/coatings9010048.

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Diverse physical interlocking devices have recently been developed based on one-dimensional (1D), high-aspect-ratio inorganic and organic nanomaterials. Although these 1D nanomaterial-based interlocking devices can provide reliable and repeatable shear adhesion, their adhesion in the normal direction is typically very weak. In addition, the high-aspect-ratio, slender structures are mechanically less durable. In this study, we demonstrate a highly flexible and robust interlocking system that exhibits strong and reversible adhesion based on physical interlocking between three-dimensional (3D) mi

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31

Pjeta, Robert, Julia Wunderer, Philip Bertemes, et al. "Temporary adhesion of the proseriate flatworm Minona ileanae." Philosophical Transactions of the Royal Society B: Biological Sciences 374, no. 1784 (2019): 20190194. http://dx.doi.org/10.1098/rstb.2019.0194.

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Flatworms can very rapidly attach to and detach from many substrates. In the presented work, we analysed the adhesive system of the marine proseriate flatworm Minona ileanae . We used light-, scanning- and transmission electron microscopy to analyse the morphology of the adhesive organs, which are located at the ventral side of the tail-plate. We performed transcriptome sequencing and differential RNA-seq for the identification of tail-specific transcripts. Using in situ hybridization expression screening, we identified nine transcripts that were expressed in the cells of the adhesive organs.

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32

Chen, Bin, Peidong Wu, and Huajian Gao. "Pre-tension generates strongly reversible adhesion of a spatula pad on substrate." Journal of The Royal Society Interface 6, no. 35 (2008): 529–37. http://dx.doi.org/10.1098/rsif.2008.0322.

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Motivated by recent studies on reversible adhesion mechanisms of geckos and insects, we investigate the effect of pre-tension on the orientation-dependent adhesion strength of an elastic tape adhering on a substrate. Our analysis shows that the pre-tension can significantly increase the peel-off force at small peeling angles while decreasing it at large peeling angles, leading to a strongly reversible adhesion. More interestingly, we find that there exists a critical value of pre-tension beyond which the peel-off force plunges to zero at a force-independent critical peeling angle. We further s

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33

Yuliati, Frita, Jennifer Hong, Keshia S. Indriadi, Francesco Picchioni, and Ranjita K. Bose. "Thermally Reversible Polymeric Networks from Vegetable Oils." Polymers 12, no. 8 (2020): 1708. http://dx.doi.org/10.3390/polym12081708.

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Low cross-link density thermally reversible networks were successfully synthesized from jatropha and sunflower oils. The oils were epoxidized and subsequently reacted with furfurylamine to attach furan groups onto the triglycerides, preferably at the epoxide sites rather than at the ester ones. Under the same reaction conditions, the modified jatropha oil retained the triglyceride structure more efficiently than its sunflower-based counterpart, i.e., the ester aminolysis reaction was less relevant for the jatropha oil. These furan-modified oils were then reacted with mixtures of aliphatic and

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34

Pjeta, Robert, Herbert Lindner, Leopold Kremser, et al. "Integrative Transcriptome and Proteome Analysis of the Tube Foot and Adhesive Secretions of the Sea Urchin Paracentrotus lividus." International Journal of Molecular Sciences 21, no. 3 (2020): 946. http://dx.doi.org/10.3390/ijms21030946.

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Echinoderms, such as the rock-boring sea urchin Paracentrotus lividus, attach temporarily to surfaces during locomotion using their tube feet. They can attach firmly to any substrate and release from it within seconds through the secretion of unknown molecules. The composition of the adhesive, as well as the releasing secretion, remains largely unknown. This study re-analyzed a differential proteome dataset from Lebesgue et al. by mapping mass spectrometry-derived peptides to a P. lividus de novo transcriptome generated in this study. This resulted in a drastic increase in mapped proteins in c

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35

Bertemes, Philip, Robert Pjeta, Julia Wunderer, et al. "(Un)expected Similarity of the Temporary Adhesive Systems of Marine, Brackish, and Freshwater Flatworms." International Journal of Molecular Sciences 22, no. 22 (2021): 12228. http://dx.doi.org/10.3390/ijms222212228.

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Many free-living flatworms have evolved a temporary adhesion system, which allows them to quickly attach to and release from diverse substrates. In the marine Macrostomum lignano, the morphology of the adhesive system and the adhesion-related proteins have been characterised. However, little is known about how temporary adhesion is performed in other aquatic environments. Here, we performed a 3D reconstruction of the M. lignano adhesive organ and compared it to the morphology of five selected Macrostomum, representing two marine, one brackish, and two freshwater species. We compared the protei

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36

Huang, Junwen, Yu Liu, Yuxin Yang, et al. "Electrically programmable adhesive hydrogels for climbing robots." Science Robotics 6, no. 53 (2021): eabe1858. http://dx.doi.org/10.1126/scirobotics.abe1858.

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Although there have been notable advances in adhesive materials, the ability to program attaching and detaching behavior in these materials remains a challenge. Here, we report a borate ester polymer hydrogel that can rapidly switch between adhesive and nonadhesive states in response to a mild electrical stimulus (voltages between 3.0 and 4.5 V). This behavior is achieved by controlling the exposure and shielding of the catechol group through water electrolysis–induced reversible cleavage and reformation of the borate ester moiety. By switching the electric field direction, the hydrogel can re

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37

Wang, Yue, Xiangming Li, Hongmiao Tian, et al. "Rectangle-capped and tilted micropillar array for enhanced anisotropic anti-shearing in biomimetic adhesion." Journal of The Royal Society Interface 12, no. 106 (2015): 20150090. http://dx.doi.org/10.1098/rsif.2015.0090.

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Dry adhesion observed in the feet of various small creatures has attracted considerable attention owing to the unique advantages such as self-cleaning, adaptability to rough surfaces along with repeatable and reversible adhesiveness. Among these advantages, for practical applications, proper detachability is critical for dry adhesives with artificial microstructures. In this study, we present a microstructured array consisting of both asymmetric rectangle-capped tip and tilted shafts, which produce an orthogonal anisotropy of the shearing strength along the long and short dimensions of the tip

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38

Gao, Kai, Zeyuan Zhang, Lingzhi Ma, et al. "Reversible supramolecular adhesives formed by metallacycle-crosslinked polymer networks via amino‑yne click reaction." Giant 4 (December 2020): 100034. http://dx.doi.org/10.1016/j.giant.2020.100034.

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39

Stark, Alyssa Y., and Christopher T. Mitchell. "Stick or Slip: Adhesive Performance of Geckos and Gecko-Inspired Synthetics in Wet Environments." Integrative and Comparative Biology 59, no. 1 (2019): 214–26. http://dx.doi.org/10.1093/icb/icz008.

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Abstract The gecko adhesive system has inspired hundreds of synthetic mimics principally focused on replicating the strong, reversible, and versatile properties of the natural system. For geckos native to the tropics, versatility includes the need to remain attached to substrates that become wet from high humidity and frequent rain. Paradoxically, van der Waals forces, the principal mechanism responsible for gecko adhesion, reduce to zero when two contacting surfaces separate even slightly by entrapped water layers. A series of laboratory studies show that instead of slipping, geckos maintain

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40

Akiyama, Haruhisa, Satoshi Kanazawa, Yoko Okuyama, et al. "Photochemically Reversible Liquefaction and Solidification of Multiazobenzene Sugar-Alcohol Derivatives and Application to Reworkable Adhesives." ACS Applied Materials & Interfaces 6, no. 10 (2014): 7933–41. http://dx.doi.org/10.1021/am501227y.

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41

Jung, Jiyoon, Hye Jin Cho, Dongyoung Kim, Seung Sang Hwang, and Jongok Won. "Degradable Natural Lacquer (Urushi) Adhesives Using a Reversible Polymer Based on Hemiaminal Dynamic Covalent Networks." ChemistrySelect 3, no. 23 (2018): 6665–70. http://dx.doi.org/10.1002/slct.201800849.

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42

Meng, Fandong, Quan Liu, Xin Wang, Di Tan, Longjian Xue, and W. Jon P. Barnes. "Tree frog adhesion biomimetics: opportunities for the development of new, smart adhesives that adhere under wet conditions." Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences 377, no. 2150 (2019): 20190131. http://dx.doi.org/10.1098/rsta.2019.0131.

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Enlarged adhesive toe pads on the tip of each digit allow tree frogs to climb smooth vertical and overhanging surfaces, and are effective in generating reversible adhesion under both dry and wet conditions. In this review, we discuss the complexities of the structure of tree frog toe pads in relation to their function and review their biomimetic potential. Of particular importance are the (largely) hexagonal epithelial cells surrounded by deep channels that cover the surface of each toe pad and the array of nanopillars on their surface. Fluid secreted by the pads covers the surface of each pad

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43

Huang, Xianhui, Zhichun Shangguan, Zhao-Yang Zhang, et al. "Visible-Light-Induced Reversible Photochemical Crystal–Liquid Transitions of Azo-Switches for Smart and Robust Adhesives." Chemistry of Materials 34, no. 6 (2022): 2636–44. http://dx.doi.org/10.1021/acs.chemmater.1c03881.

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44

López-Suevos, Francisco, and Charles E. Frazier. "The role of resol fortifiers in latex wood adhesives." Holzforschung 60, no. 5 (2006): 561–66. http://dx.doi.org/10.1515/hf.2006.093.

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Abstract Static and dynamic rheological analyses using time/temperature equivalence were applied to freestanding poly(vinyl acetate-co-NMA) adhesive films and to wood-bonded films (composites), which were completely dry in all cases. Films and composites were prepared with two types of cross-linking: (1) cross-linking through AlCl3 catalysis of N-methylolacrylamide (NMA) comonomer; and (2) additional cross-linking using a resol phenolic (PF) additive, in addition to AlCl3 catalysis. Rheological experiments revealed that accelerated weathering (AW) significantly modified the mechanical response

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45

López-Suevos, Francisco, and Charles E. Frazier. "Fracture cleavage analysis of PVAc latex adhesives: Influence of phenolic additives." Holzforschung 60, no. 3 (2006): 313–17. http://dx.doi.org/10.1515/hf.2006.050.

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Abstract Mode I fracture cleavage testing was conducted on wood bonded with poly(vinyl acetate-co-NMA) latex adhesive containing two types/degrees of cross-linking: (1) cross-linking through AlCl3 catalysis of N-methylolacrylamide (NMA) comonomer; and (2) additional cross-linking using a phenol-formaldehyde resol additive, in addition to AlCl3 catalysis. The formulation lacking the phenolic additive performed well under dry conditions; but it completely failed during testing as a result of accelerated weathering. In contrast, fortification with the phenolic additive provided durability against

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46

Park, Jun Kyu, Jeffrey D. Eisenhaure, and Seok Kim. "Underwater Dry Adhesives: Reversible Underwater Dry Adhesion of a Shape Memory Polymer (Adv. Mater. Interfaces 3/2019)." Advanced Materials Interfaces 6, no. 3 (2019): 1970023. http://dx.doi.org/10.1002/admi.201970023.

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47

Lee, Seung-Min, Kyung-Hyeon Yoo, Seog-Young Yoon, et al. "Enamel Anti-Demineralization Effect of Orthodontic Adhesive Containing Bioactive Glass and Graphene Oxide: An In-Vitro Study." Materials 11, no. 9 (2018): 1728. http://dx.doi.org/10.3390/ma11091728.

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White spot lesions (WSLs), a side effect of orthodontic treatment, can result in reversible and unaesthetic results. Graphene oxide (GO) with a bioactive glass (BAG) mixture (BAG@GO) was added to Low-Viscosity Transbond XT (LV) in a ratio of 1, 3, and 5%. The composite’s characterization and its physical and biological properties were verified with scanning electron microscopy (SEM) and X-ray diffraction (XRD); its microhardness, shear bond strength (SBS), cell viability, and adhesive remnant index (ARI) were also assessed. Efficiency in reducing WSL was evaluated using antibacterial activity

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Drotlef, Dirk M., Esther Appel, Henrik Peisker, et al. "Morphological studies of the toe pads of the rock frog, Staurois parvus (family: Ranidae) and their relevance to the development of new biomimetically inspired reversible adhesives." Interface Focus 5, no. 1 (2015): 20140036. http://dx.doi.org/10.1098/rsfs.2014.0036.

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The morphology of the toe epithelium of the rock frog, Staurois parvus (Family Ranidae), was investigated using a variety of microscopical techniques. The toe pad epithelium is stratified (four to five cell layers), the apical parts of the cells of the outermost layer being separated by fluid-filled channels. The surface of these cells is covered by a dense array of nanopillars, which also cover the surface of subarticular tubercles and unspecialized ventral epithelium of the toes, but not the dorsal epithelium. The apical portions of the outer two layers contain fibrils that originate from th

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Yin, Pengfei, Yang Liu, Dan Huang, and Chao Zhang. "Highly Tough, Stretchable and Self-Healing Polyampholyte Elastomers with Dual Adhesiveness." International Journal of Molecular Sciences 23, no. 9 (2022): 4548. http://dx.doi.org/10.3390/ijms23094548.

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A new type of polyampholyte with unique viscoelastic properties can be easily synthesized by the copolymerization of butyl acrylate with dimethylaminoethyl methacrylate and acid acrylate in one pot. The elastic modulus of the as-prepared polyampholyte can be easily tuned by adjusting the ratio between the butyl acrylate and ionic monomers. The polyampholyte synthesized by a low proportion of ionic monomer showed low tensile strength and high stretchability, resulting in good conformal compliance with the biological tissues and potent energy dissipation. Due to the existence of high-intensity r

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Park, Soo-Jeong, Kyo-Moon Lee, Seong-Jae Park, and Yun-Hae Kim. "Overlapped repair performance for carbon–PPS composites in vacuum-assisted thermal bonding." Modern Physics Letters B 34, no. 07n09 (2020): 2040027. http://dx.doi.org/10.1142/s0217984920400278.

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An overlapped repair with a continuous bonding area, was applied to carbon–PPS thermoplastic composites, and their strength recovery rate and failure behavior under mechanical loading were analyzed. This overlapped model has been designed to prevent the common and fundamental failures in conventional repair technologies through utilization of the volume fraction properties of continuous fibers. The same material was used for the parent and repair, and adhesion occurred via reversible thermal properties of the thermoplastic PPS polymer, without using additional adhesives. Under tensile and flex

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