Recent advances in sunlight induced polymerization: role of new photoinitiating systems based on the silyl radical chemistry

Lalevée, Jacques; Fouassier, Jean Pierre

doi:10.1039/c1py00073j

Cited by 78 publications

(75 citation statements)

References 61 publications

(22 reference statements)

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“…However, photopolymerization reactions under low intensity visible light irradiation conditions were rather rare and challenging before 2011. As some reviews regarding PISs have been published [1][2][3]5,7,8,18,25,[95][96][97][98][99][100], this review mainly describes the development of new PISs applicable to visible lights in the period of 2011 to early 2014 and is also an opportunity to gather the relative performance of the PISs we have recently designed, in order to propose a "one pot" comparison to the readers. Photoinitiator catalysts [19] and photosensitive systems in controlled polymerization reactions [20][21][22][23][24] have been reviewed recently and will be considered in Section 6.…”

Section: Introductionmentioning

confidence: 99%

Visible light sensitive photoinitiating systems: Recent progress in cationic and radical photopolymerization reactions under soft conditions

Xiao

Zhang

Dumur

et al. 2015

Progress in Polymer Science

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492

248

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Section: Introductionmentioning

confidence: 99%

Visible light sensitive photoinitiating systems: Recent progress in cationic and radical photopolymerization reactions under soft conditions

Xiao

Zhang

Dumur

et al. 2015

Progress in Polymer Science

Self Cite

492

248

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“…[70][71][72] Photoinitiation with disilanes having an Si-Si bond is also possible through electron transfer and Si-Si bond dissociation. It has been found that silane compounds can be efficiently employed as co-initiator to initiate photopolymerization in the presence of photoinitiators.…”

Section: Methodsmentioning

confidence: 99%

Shining a light on an adaptable photoinitiator: advances in photopolymerizations initiated by thioxanthones

2015

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Photochemistry has been playing a central role in the synthetic polymer community. Aromatic ketones, examples of which include benzophenone, thioxanthone, camphorquinone, among others, are renowned for their excellent optical characteristics and have been extensively taken advantage of photochemically induction of polymerization processes. Of particular interest is thioxanthone due to its adaptability for bearing different functionalities and applications in various modes of photopolymerization which accomplishes photoinitiation in conjunction with other co-initiator compounds; a behavior that is referred to as bi-molecular photoinitiation. In this paper, we review the photochemistry of thioxanthonebased systems and their use in different modes of photoinitiated polymerizations. Citing examples from literature, the development of various photoinitiating systems based on thioxanthones along with an understanding of their mechanistic behavior has been elucidated in advance.Scheme 1 Typical representation of the photolysis of the radical photoinitiators based on Type I (top) and Type II (bottom) systems on the example of a benzoin derivative and thioxanthone, respectively.Scheme 3 Synthesis of thioxanthones by condensation of thiosalicylic acid and aromatic compounds in the presence of concentrated sulfuric acid.

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“…Following these strategies, elegant green systems have been proposed [318][319][320][321][322][323][324][325] such as the polymerization of renewable epoxy monomers under sunlight [319]. This is contributing to make photolatent onium salts more and more attractive.…”

Section: Page 29 Of 163mentioning

confidence: 99%

Control of reactions and network structures of epoxy thermosets

Vidil¹,

Tournilhac²,

Musso

et al. 2016

Progress in Polymer Science

295

252

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Recent advances in macromolecular chemistry have revolutionized the way we perceive the synthesis of polymers. Polymerization, to be modern, must be "controlled", which usually means capable of producing macromolecules of well-defined structure. The purpose of this review is to examine how the chemistry of epoxy resins, an almost century-old chemistry, is also involved in this movement. Epoxy resins are characterized by both the flexibility of implementation and the qualities of the polymers obtained. Key materials in health-, mobility-and energy related technologies, these resins are heavily present in high-performance composites, electronic boards, adhesives and coatings. Currently, a large number of resins and hardeners are available on the market or described in the literature and an interesting point is that almost any combination of the two is possible. Common to all these recipes and processes is that a liquid (or soluble) resin at some point becomes insoluble and solid. It is very important to know how to manage this transition, physically known as the gel point, as it is the point after which the shape of the object is irreversibly set. Taking into account the variety of epoxy polymerization processespolyaddition, anionic or cationic polymerization-we detail a number of methods to program the occurrence of the gel point and how this type of control affects the structure of the growing network.

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Recent advances in sunlight induced polymerization: role of new photoinitiating systems based on the silyl radical chemistry

Abstract: Silyl radical chemistry opens new opportunities for photoinitiating systems for sunlight polymerization.

Cited by 78 publications

References 61 publications

Visible light sensitive photoinitiating systems: Recent progress in cationic and radical photopolymerization reactions under soft conditions

Visible light sensitive photoinitiating systems: Recent progress in cationic and radical photopolymerization reactions under soft conditions

Shining a light on an adaptable photoinitiator: advances in photopolymerizations initiated by thioxanthones

Control of reactions and network structures of epoxy thermosets

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