Correction to: Investigation of poly(α‑methyl styrene) tacticity synthesized by photo‑polymerization

Jozaghkar, Mohammad Reza; Ziaee, Farshid; Azar, Amir Sepehrian

doi:10.1007/s00289-021-03823-6

Cited by 1 publication

(2 citation statements)

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“…Isobornyl methacrylate (I) copolymers exhibit improved tensile strength, maximum elongation, and operational temperature [1][2][3] , as well as chemical and water resistance, making them useful for adhesives, light-waveguide device films [4] , coatings [5] and cosmetics [6] . These are also used as suitable sustainable biobased replacement of methyl methacrylate in latex pressure sensitive adhesive [7] and in improvement of water resistance and mechanical properties with bio-based polymerization [8] .…”

Section: Introductionmentioning

confidence: 99%

“…These are also used as suitable sustainable biobased replacement of methyl methacrylate in latex pressure sensitive adhesive [7] and in improvement of water resistance and mechanical properties with bio-based polymerization [8] . Different techniques have been used to synthesize copolymers of isobornyl methacrylate, including free radical [3,4,[9][10][11] . Studies have been carried out to understand the behaviour of these copolymers, and sustainably sourced isobornyl methacrylate has been used in the synthesis of copolymers with other monomers.…”

Section: Introductionmentioning

confidence: 99%

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NMR spectroscopy based configurational and compositional analysis of isobornyl methacrylate—Acrylonitrile copolymers

Khandelwal

Misra

Sachdeva

et al. 2023

ACE

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The authors conducted free radical polymerization using an initiator to synthesize a copolymer of isobornyl methacrylate—Acrylonitrile (I/A). The reactivity ratios of I (r1) and A (r2) monomers were determined as r1 = 1.63 ± 0.14, r2 = 0.61 ± 0.06 for linear KT (Kelen–Tudos) method and r1 = 1.58, r2 = 0.60 for the EVM (Error-in-Variable Method). We interpreted 1H and 13C{1H} NMR spectra of the I/A copolymers using DEPT-135 and 2D HSQC spectra. The α-CH3 carbon in the I-unit was identified and confirmed using a 2D HSQC NMR spectrum, up to the level of triad of compositional and configurational sequences. The CH (C14) and β-CH2 carbon peaks were also identified up to the triad level and higher, respectively. A 2D TOCSY spectrum revealed geminal and vicinal interactions within various CH and β-CH2 protons. A 2D HMBC NMR spectrum provided a complete assignment of the coupling between nitrile, carbonyl, and quaternary carbons with CH3 and CH2 protons.

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