Migration of additives in polymer coatings: fluorinated additives and poly(vinylidene chloride)-based matrix

Rixens, Bérengère; Severac, Romain; Boutevin, Bernard; Lacroix‐Desmazes, Patrick

doi:10.1016/j.polymer.2005.03.041

Cited by 29 publications

(16 citation statements)

References 28 publications

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“…[4] However, it was also reported that polymerization of the fluorinated monomers proceed rather slowly. [53,54] When RAFT was applied to obtain a block consisting of a fluorinated methacrylate monomer it was suggested that the very low polymerization rate may be due to retardation effects. [3,4,55] Recent studies into the polymerization kinetics of 1H,1H,2H,2H-tridecafluorooctyl methacrylate revealed, however, that the propagation and termination rate coefficients in bulk polymerizations are not very different from other monomers of the methacrylate family.…”

Section: Pac8-b-ptbamentioning

confidence: 99%

“…[3,4,55] In addition, rather slow ATRP rates for AC8 were reported, where 90% conversion were obtained in 3 d. [65,66] Moreover, NMP and RAFT polymerizations of AC8 required rather long reaction times ranging from 7 to 48 h yielding >90% conversion. [53,54,67] To the best of our knowledge only for AC8 RAFT polymerization in TFT fast reactions were reported, where conversions higher than 94% and AC8 chain lengths of 29 were obtained in 4 h. [57] The glass transition temperatures of PMMA a , PMA a , and PtBA a as well as the melting temperature of PAC8 a were derived from DSC measurements and are also included in Table 1. The data will be used for comparison with the DSC results of the copolymers in the following paragraphs.…”

Section: Synthesis Of Homopolymers In Anisole At Ambient Pressurementioning

confidence: 99%

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1H,1H,2H,2H‐Perfluorodecyl‐Acrylate‐Containing Block Copolymers from ARGET ATRP

Schreiber

Hosemann

Beuermann

2010

Macro Chemistry & Physics

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Block copolymers of 1H,1H,2H,2H‐perfluorodecyl acrylate (AC8) were obtained from ARGET ATRP. To obtain block copolymers of low dispersity the PAC8 block was synthesized in anisole with a CuBr2/PMDETA catalyst in the presence of tin(II) 2‐ethylhexanoate as a reducing agent. The PAC8 block was subsequently used as macroinitiator for copolymerization with butyl and tert‐butyl acrylate carried out in scCO2. To achieve catalyst solubility in CO2 two fluorinated ligands were employed. The formation of block copolymers was confirmed by size exclusion chromatography and DSC. magnified image

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Section: Pac8-b-ptbamentioning

confidence: 99%

Section: Synthesis Of Homopolymers In Anisole At Ambient Pressurementioning

confidence: 99%

1H,1H,2H,2H‐Perfluorodecyl‐Acrylate‐Containing Block Copolymers from ARGET ATRP

Schreiber

Hosemann

Beuermann

2010

Macro Chemistry & Physics

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“…The phosphonated groups were introduced either by chemical modification of hydroxyethylacrylate copolymers or by copolymerization with a phosphonated methacrylate. As these copolymers have barrier properties due to the vinylidene chloride monomer as well as adhesion and anticorrosion properties due to the phosphonated monomer, potential applications in paints and surface treatments seem suitable [179].…”

Section: Poly(dimethylsiloxane) Substratesmentioning

confidence: 99%

Toward New Materials Prepared via the RAFT Process: From Drug Delivery to Optoelectronics?

Favier

Lambert

Charreyre

2008

Handbook of RAFT Polymerization

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IntroductionThe development of controlled/living ionic and radical polymerization techniques during the last decades represents a major breakthrough in polymer chemistry and polymer science. Since these techniques lead to the synthesis of a wide range of tailor-made macromolecular architectures, significant improvements are expected in the current or future application fields of polymers. The industrial impact will however depend on the versatility and applicability of each technique, and of course on the extra cost for the final product.In this context, controlled radical polymerizations (CRP) and especially the reversible addition-fragmentation chain transfer (RAFT) process [1-3] have attracted a lot of attention since they combine the advantages of conventional radical polymerization and living ionic polymerizations. Conventional radical polymerizations are cost-effective techniques, easy to process with a low sensitivity to water and oxygen and applicable to a wide range of monomers. In addition, CRP techniques result in a very efficient control over molecular weight (MW), molecular-weight distribution (MWD), microstructure, chain-end functionality and macromolecular architecture.As shown in the previous chapters of this handbook, the RAFT process appears as one of the most interesting CRP techniques. First, RAFT polymerization is very similar to conventional radical polymerization since it only requires the addition of a chain-transfer agent (CTA) in the medium. Second, RAFT is a very versatile process able to control the (co)polymerization of a large variety of monomers leading to a virtually unlimited macromolecular design library.As a consequence, RAFT polymerization is a well-suited and promising technique to prepare high-performance polymers for a wide range of applications. Indeed, an efficient control at the macromolecular level is a very important step to control and improve the macroscopic properties of the final materials ( Fig. 13.1).

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“…It is well known that the reason for very low surface energies of perfluoroalkyl polymers is the orientation of perfluoroalkyl groups to the outmost layer of the polymer-air interface during film formation progress (Rixens et al, 2005). However, a dilemma is that perfluoroalkyl groups may migrate to the inside of films when the environment surrounding the polymer film changes, for example the structure of the film surface layer may undergo surface penetration and surface reconstruction when exposed to polar solvents (Schmidt et al, 1996(Schmidt et al, , 2004.…”

Section: Introductionmentioning

confidence: 99%

Surface immobilisation of fluorinated polystyrene‐acrylate latex nanoparticles with core–shell structure by crosslinking

Xu¹,

Liang²,

Wen³

et al. 2011

Can J Chem Eng

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Fluorinated polystyrene-acrylate (PSA) latex nanoparticles with core-shell structure were synthesised by two-stage seeded emulsion polymerisation method in the presence of reactive emulsifier DNS-86. Diallyl phthalate (DAP) and Vinyltriethoxysilicone (VTES) were used as crosslinking agent to immobilise the fluorinated copolymer on the surface of the latex film. Fourier transform infrared spectroscopy (FTIR) spectra show that fluorine and siloxane monomers were effectively involved in the emulsion copolymerisation. Transmission electron microscope (TEM) observation shows that the prepared emulsion particles had a core-shell structure with fluorinated copolymer in the shell. X-ray photoelectron spectroscopy (XPS) analysis reveals that fluorine atom has the tendency of migrating to the film-air interface and the incorporation of VTES helps the migration of fluorine atom towards the film-air interface. Water contact angle (WCA) test proved that DAP and VTES as crosslinking agent can immobilise the fluorinated copolymer on the surface of the latex films.

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Migration of additives in polymer coatings: fluorinated additives and poly(vinylidene chloride)-based matrix

Cited by 29 publications

References 28 publications

1H,1H,2H,2H‐Perfluorodecyl‐Acrylate‐Containing Block Copolymers from ARGET ATRP

1H,1H,2H,2H‐Perfluorodecyl‐Acrylate‐Containing Block Copolymers from ARGET ATRP

Toward New Materials Prepared via the RAFT Process: From Drug Delivery to Optoelectronics?

Surface immobilisation of fluorinated polystyrene‐acrylate latex nanoparticles with core–shell structure by crosslinking

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