Advances in anaerobic and cyanoacrylate adhesives

Klemarczyk, Philip; Guthrie, John D.

doi:10.1533/9781845698058.1.96

Cited by 55 publications

(64 citation statements)

References 24 publications

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“…It is believed that some chain-transfer reactions can occur in the presence of weak acids, such as the carboxylic acids formed from the hydrolysis of CA monomers [1]. Transfer of a proton to the propagating carbanion will terminate the growth to produce a dead-chain; however, the resulting conjugate base (carboxylate anion) is able to initiate a new growing polymer chain by addition onto a monomer (Scheme 4).…”

Section: General Reactivity and Propertiesmentioning

confidence: 99%

“…Alkyl 2-cyanoacrylates or cyanoacrylates (CAs) are a family of vinyl monomers renowned for their high reactivity, instant adhesive properties, and wide-ranging applications [1,2,3,4,5,6]. Short chain CAs, like methyl- and ethyl 2-cyanoacrylate have found great utility as the major components of industrial and household instant adhesives or “super glues”, including those manufactured at Henkel under the Loctite brand (Table 1) [4,5,6].…”

Section: Introductionmentioning

confidence: 99%

“…The general monomer chemistry, synthesis, modes of polymerization, and the physical characteristics of the resulting polymers, along with several toxicological evaluations, have been detailed in a number of reviews [1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,20,21,22]. In this review, after a general overview of reactivity and properties, the focus is the radical polymerization of CAs, with the advantages over the more facile anionic pathway clearly outlined.…”

Section: Introductionmentioning

confidence: 99%

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Radical Polymerization of Alkyl 2-Cyanoacrylates

2018

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Cyanoacrylates (CAs) are well-known fast-setting adhesives, which are sold as liquids in the presence of stabilizers. Rapid anionic polymerization on exposure to surface moisture is responsible for instant adhesion. The more difficult, but synthetically more useful radical polymerization is only possible under acidic conditions. Recommendations on the handling of CAs and the resulting polymers are provided herein. In this review article, after a general description of monomer and polymer properties, radical homo- and copolymerization studies are described, along with an overview of nanoparticle preparations. A summary of our recently reported radical polymerization of CAs, using reversible addition-fragmentation chain transfer (RAFT) polymerization, is provided.

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Section: General Reactivity and Propertiesmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Radical Polymerization of Alkyl 2-Cyanoacrylates

2018

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“…In this regard, these materials are widely used in a variety of industries, namely, in medicine, dentistry, construction, engineering, automotive, and electrical and textile industries [8]. It should 2 International Journal of Polymer Science be noted that the use of (meth)acrylic adhesives is expanding in current conditions to solve many technological tasks [9].…”

Section: Introductionmentioning

confidence: 99%

Synthesis and Properties of Adhesive Polymer-Methylmethacrylate Materials

Khromiak

Levytskyi

Stepova

et al. 2018

International Journal of Polymer Science

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Kinetics of emulsion polymerization of hydrophilic vinyl monomers in the presence of polyvinylpyrrolidone and technological principles of their synthesis are determined. Reasonable technological parameters in the synthesis of copolymers are determined. Physicochemical properties of the synthesized copolymers (surface tension, the size of latex particles, and pH) are determined. Synthesized graft copolymers were used to create high-adhesion polymer-monomer compositions. These compositions have high reactivity at room temperature. It can be regulated by the nature of the polymer matrix and the introduction of comonomers and fillers due to the influence of physicochemical factors on the process of polymer formation. The rate of polymerization and the degree of monomer conversion largely depend on the nature of the polymer matrix. The highest polymerization rate and the maximum degree of conversion are observed when using a copolymer of polyvinylpyrrolidone and polymethylmethacrylate. Materials based on the developed compositions are characterized by a low residual monomer content and high operational properties, such as surface hardness, Vicat softening temperature, and adhesive bond strength to supports of different nature.

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“…7 , 9 , 10 Widely used photo-activated adhesives, for example, normally require high energy ultraviolet light and addition of expensive photoinitiators. 6 Photoinitiation is also inconveniently limited to only light-transparent substrates. Pressure and heat activation are energy demanding activation techniques, which also frequently result in the damage of substrates ( e.g.…”

Section: Introductionmentioning

confidence: 99%