A first insight into the thermal degradation mechanism of silylated methacrylic homopolymers synthesized via the RAFT process

Bressy, Christine; Ngo, Van Giang; Margaillan, André

doi:10.1016/j.polymdegradstab.2012.10.023

Cited by 16 publications

(7 citation statements)

References 42 publications

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“…The degradation of the polymer chain can be caused by the energy supplied by mechanically milling the material as the primary response of a polymeric material to an external mechanical force is the relaxation of the chain. Another important type of response to mechanical force of the milling is the polymer chain scission [9] , which can also be obtained by means other than mechanical, such as contact with thermal energy, among others [10,11] . When a particulate solid material is milled in a ball mill, for example, there are mainly two types of combined actions that are responsible for the particles' shearing of the material: impact and abrasion.…”

Section: Introductionmentioning

confidence: 99%

Effect of shrimp shells milling on the molar mass of chitosan

et al. 2017

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Section: Introductionmentioning

confidence: 99%

Effect of shrimp shells milling on the molar mass of chitosan

et al. 2017

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“…The thermolysis of RAFT-based polymers helps to remove the ZC(=S) group and produce polymers with the C=C end group (except xanthates, see 3.1) [ 41 , 42 , 43 , 44 , 45 , 46 , 47 ]. Thermal stability of RAFT-based polymers, mechanism of thermolysis, and purity of the product depend on the nature of the terminal monomer unit and thiocarbonylthio species [ 165 , 166 , 167 , 168 , 169 , 170 , 171 , 172 , 173 , 174 , 175 , 176 , 177 , 178 ]. In general, the thermal stability of RAFT-based polymers decreases in the series poly(vinyl acetate) ~ poly(N-vinyl pyrrolidone) > poly(butyl acrylate) > poly(N-isopropylacrylamide) > polystyrene > poly(methyl methacrylate), and among the Z groups as dithiobenzoate > trithiocarbonate > xanthate ~ dithiocarbamate [ 165 , 167 , 168 , 169 , 170 , 171 , 177 ].…”

Section: Zc(=s)s Group Modification Approachmentioning

confidence: 99%

RAFT-Based Polymers for Click Reactions

Черникова

Kudryavtsev

2022

Polymers

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The parallel development of reversible deactivation radical polymerization and click reaction concepts significantly enriches the toolbox of synthetic polymer chemistry. The synergistic effect of combining these approaches manifests itself in a growth of interest to the design of well-defined functional polymers and their controlled conjugation with biomolecules, drugs, and inorganic surfaces. In this review, we discuss the results obtained with reversible addition–fragmentation chain transfer (RAFT) polymerization and different types of click reactions on low- and high-molar-mass reactants. Our classification of literature sources is based on the typical structure of macromolecules produced by the RAFT technique. The review addresses click reactions, immediate or preceded by a modification of another type, on the leaving and stabilizing groups inherited by a growing macromolecule from the chain transfer agent, as well as on the side groups coming from monomers entering the polymerization process. Architecture and self-assembling properties of the resulting polymers are briefly discussed with regard to their potential functional applications, which include drug delivery, protein recognition, anti-fouling and anti-corrosion coatings, the compatibilization of polymer blends, the modification of fillers to increase their dispersibility in polymer matrices, etc.

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“…21 Bressy et al rst reported hydrophobic-hydrolysable copolymers consisting of methyl methacrylate (MMA) and tert-butyldimethylsilyl methacrylate (TBDMSMA) synthesized by a reversible addition-fragmentation chain transfer (RAFT) polymerization technique, and the diblock copolymers exhibited good antifouling abilities in the Mediterranean Sea for 18 months. 6,22,23 Hong et al reported a novel type of self-hydrogel-generating antifouling coating made of cross-linked copolymer chains containing methyl methacrylate (MMA), acrylic acid (AA) and hydrolysable tributylsilyl methacrylate (TBSMA). 24 These reports indicated that the leaching form of the polymers depended on the hydrolysable monomer content, 22,25 size of the alkyl groups linked to the silicon atom, 26 molecular weight and hydrophilicity of the comonomers.…”

Section: Introductionmentioning

confidence: 99%

“…24 These reports indicated that the leaching form of the polymers depended on the hydrolysable monomer content, 22,25 size of the alkyl groups linked to the silicon atom, 26 molecular weight and hydrophilicity of the comonomers. 23,27 However, the alkyl-silyl methacrylate-based paint with a low erosion rate exhibited poor antifouling ability in a static marine environment unless the alkylsilyl (meth)acrylate content was increased to over 45 wt%. 3,28 Furthermore, the coatings with this copolymer as the binder also perform poorly against diatoms, the major component of primary colonizers or slime, which is the key step for the colonization of spores and larvae of macrofoulants including macroalgae, sponges, barnacles, bryozoans, tunicates and so on.…”

Section: Introductionmentioning

confidence: 99%