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Polymers
Special Issues
Advances in Cationic Polymerization
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Advances in Cationic Polymerization

A special issue of Polymers (ISSN 2073-4360). This special issue belongs to the section "Polymer Chemistry".

Deadline for manuscript submissions: closed (30 November 2022) | Viewed by 2426

Special Issue Editor

Dr. Sergei Kostjuk

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Guest Editor
1. Research Institute for Physical and Chemical Problems, Belarusian State University, 14 Leningradskaya Str., 220006 Minsk, Belarus
2. Department of Chemistry, Belarusian State University, Leningradskaya Str. 14, 220006 Minsk, Belarus
3. Institute for Regenerative Medicine, Sechenov First Moscow State Medical University, 119991 Moscow, Russia
Interests: polymer design and synthesis; controlled cationic polymerization; ring-opening anionic polymerization; metallocene catalysis; cationic polymerization in aqueous media; polymerization kinetics and mechanisms

Special Issue Information

Dear Colleagues,

This Special Issue will be devoted to recent advances in the field of cationic polymerization and related processes. The following topics will be covered: (i) development of new initiation systems and new approaches to conducting conventional or living/controlled cationic polymerization; (ii) synthesis of highly reactive polyisobutylene; (iii) synthesis of complex macromolecular architectures via a combination of cationic polymerization and another technique (radical, anionic polymerization, etc.); (iv) synthesis and application of polyisobutylene-based block copolymers; (v) renewable polymer synthesis via cationic polymerization; (vi) photoinitiated and/or photocontrolled cationic polymerization and organocatalytic cationic polymerization; (vii) properties and applications of (co)polymers prepared by cationic polymerization; and (viii) ring-opening cationic polymerization.

Dr. Sergei Kostjuk
Guest Editor

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Polymers is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2700 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • cationic polymerization
  • living/controlled cationic polymerization
  • isobutylene
  • highly reactive polyisobutylene
  • ring-opening cationic polymerization
  • bio-based monomers
  • block copolymers
  • styrene and its derivatives
  • vinyl ethers
  • 1,3-dienes

Published Papers (1 paper)

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Research

15 pages, 4271 KiB  
Article
Controlled Cationic Polymerization of p-Methylstyrene in Ionic Liquid and Its Mechanism
by Xiaoqian Zhang, Shengde Tang, Ming Gao, Chunfeng Sun and Jiasheng Wang
Polymers 2022, 14(15), 3165; https://doi.org/10.3390/polym14153165 - 03 Aug 2022
Cited by 3 | Viewed by 1708
Abstract
Ionic liquid (IL) as a green solvent is entirely composed of ions; thus, it may be more than a simple solvent for ionic polymerization. Here, the cationic polymerization of p-methylstyrene (p-MeSt) initiated by 1-chloro-1-(4-methylphenyl)-ethane (p-MeStCl)/tin tetrachloride (SnCl4 [...] Read more.
Ionic liquid (IL) as a green solvent is entirely composed of ions; thus, it may be more than a simple solvent for ionic polymerization. Here, the cationic polymerization of p-methylstyrene (p-MeSt) initiated by 1-chloro-1-(4-methylphenyl)-ethane (p-MeStCl)/tin tetrachloride (SnCl4) was systematically studied in 1-butyl-3-methylimidazolium bis(trifluoromethanesulfonyl)imide ([Bmim][NTf2]) IL at −25 °C. The results show that IL did not participate in cationic polymerization, but its ionic environment and high polarity were favorable for the polarization of initiator and monomer and facilitate the controllability. The gel permeation chromatography (GPC) trace of the poly(p-methylstyrene) (poly(p-MeSt)) changes from bimodal in dichloromethane (CH2Cl2) to unimodal in IL, and polydispersities Mw/Mn of the polymer in IL showed narrower (1.40–1.59). The reaction rate and heat release rate were milder in IL. The effects of the initiating system, Lewis acid concentration, and 2,6-di-tert-butylpyridine (DTBP) concentration on the polymerization were investigated. The controlled cationic polymerization initiated by p-MeStCl/SnCl4 was obtained. The polymerization mechanism of p-MeSt in [Bmim][NTf2] was also proposed. Full article
(This article belongs to the Special Issue Advances in Cationic Polymerization)
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