Synthesis and characterization of cyclohexene oxide functional polystyrene macromonomers by ATRP and their use in photoinitiated cationic polymerization

Degirmenci, Mustafa; Izgin, Oner; Açıkses, Aslışah; Genli, Nasrettin

doi:10.1016/j.reactfunctpolym.2009.09.010

Cited by 16 publications

(7 citation statements)

References 32 publications

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“…The reaction was removed from the ice bath and stirred at room temperature for 18 hours. The solution was filtered, and half of the solvent was evaporated . The resulting PPG macro‐initiator was precipitated in cold ethanol and dried in a vacuum oven.…”

Section: Methodsmentioning

confidence: 99%

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pH‐controlled lavender oil capsulation with ABA‐type block copolymer and usage in paper coating

Kandırmaz

Bi̇rtane

Çi̇ği̇l

et al. 2019

Flavour & Fragrance J

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The aim of this study is to produce a lavender oil capsules with triblock copolymer and to use these capsules for providing scented paper. Thus, polyethylene oxide‐polypropylene glycol‐polyethylene oxide (PEO‐b‐PPG‐b‐PEO) ABA‐type block copolymer was synthesized by means of Atom Transfer Radical Polymerization and the chemical structure of PEO‐b‐PPG‐b‐PEO was characterized by ATR‐FTIR and 1H‐NMR. Moreover, block ratio of the PEO‐b‐PPG‐b‐PEO was identified with 1H‐NMR. Lavender oil was encapsulated in the polymer by micellization of interactions between hydrophilic‐lipophilic‐hydrophilic polymer and oil. These interactions include lavender oil and lipophilic block interaction and oil‐hydrophilic group repulsion. In addition, hydrophilic groups interacted with water to keep the micelles suspended. The critical micelle concentration and size of the micelles were analysed with SEM. Decomposition of capsules was determined by UV spectroscopy with respect to pH change. Paper coating formulations were prepared with fragrant capsules and coated on paper with laboratory‐type coating machine. The colour and gloss of obtained papers were determined by spectrophotometer and glossmeter. As a result, PEO‐b‐PPG‐b‐PEO polymer can be used to encapsulate lavender oil, and the resulting capsules have functioned without degradation in the paper coating.

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Section: Methodsmentioning

confidence: 99%

“…The resulting capsules were filtered off, washed and allowed to dry. Chemical structure of the obtained capsules, ATR‐FTIR and morphological features were enlightened by SEM …”

Section: Methodsmentioning

confidence: 99%

pH‐controlled lavender oil capsulation with ABA‐type block copolymer and usage in paper coating

Kandırmaz

Bi̇rtane

Çi̇ği̇l

et al. 2019

Flavour & Fragrance J

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“…Among these controlled radical polymerization, atom transfer radical polymerization (ATRP) [23][24][25] and reversible addition-fragmentation chain transfer (RAFT) [26,27] polymerization have become the most popular methods because of their adaptability to a wide range of functional monomers under less severe experimental conditions [28]. These techniques allow the synthesis of homopolymers and block copolymers with well-defined architectures and controlled molecular weight [29,30] finding applications in bioengineering and nanotechnology in order to manufacture biocompatible nanocontainers for drug delivery [31].…”

Section: Introductionmentioning

confidence: 99%

Synthesis and radical polymerization of bifunctionalized aziridinic methacrylates

Sordi

Silva

Ceschi

et al. 2011

Reactive and Functional Polymers

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“…In the work described herein, we employed the grafting‐through process with macromonomers in photoinitiated cationic polymerization. We have previously synthesized novel well‐defined end‐functional macromonomers of PCL33 via transformation of vinyl end group of PCL to cyclohexene oxide (CHO) and polystyrene34 via cyclohexene oxide (CHO) functional an initiator. These homopolymer‐based macromonomers were used in so‐called free radical promoted cationic polymerization to yield comb‐shaped and graft copolymers.…”

Section: Introductionmentioning

confidence: 99%

Cyclohexene oxide mid‐chain functional macromonomer of poly(ε‐caprolactone): Synthesis, characterization, and photoinitiated cationic homo‐ and copolymerization

Degirmenci

Açıkses

Genli

2011

J of Applied Polymer Sci

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In this study, a novel well-defined epoxy mid-chain functional macromonomer of poly(e-caprolactone) (PCL) has been synthesized by ring-opening polymerization (ROP) of e-caprolactone (e-CL) and epoxidation on workup with 3-chloroperoxybenzoic acid. The ROP of e-CL monomer in bulk at 110 C, by means of a dihydroxy functional initiator namely, 3-cyclohexene-1,1-dimethanol in conjunction with stannous-2-ethylhexanoate, (Sn(Oct) 2 ), yielded a well-defined PCL with a cyclohexene mid-chain group. The epoxidation of the cyclohexene (CH) mid-chain group of PCL was performed using 3-chloroperoxybenzoic acid. GPC, IR, and 1 H-NMR analyses revealed that a lowpolydispersity macromonomer of PCL with the desired cyclohexene oxide (CHO) functionality at the mid-chain was obtained. The photoinduced cationic polymerizations of this macromonomer yielded comb-shaped and graft copolymers.

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Synthesis and characterization of cyclohexene oxide functional polystyrene macromonomers by ATRP and their use in photoinitiated cationic polymerization

Cited by 16 publications

References 32 publications

pH‐controlled lavender oil capsulation with ABA‐type block copolymer and usage in paper coating

pH‐controlled lavender oil capsulation with ABA‐type block copolymer and usage in paper coating

Synthesis and radical polymerization of bifunctionalized aziridinic methacrylates

Cyclohexene oxide mid‐chain functional macromonomer of poly(ε‐caprolactone): Synthesis, characterization, and photoinitiated cationic homo‐ and copolymerization

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