Chain Walking in the AlCl3 Catalyzed Cationic Polymerization of α-Olefins.
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DOI: 10.1002/cplu.202200432
Abstract: Continuing efforts aimed at performing the 1-decene polymerization to low viscosity polyalphaolefins (PAO)s using a less hazardous AlCl3 catalyst than boron-based analogs, the basic mechanisms of this system were revealed in this research. In this… read more here.
Keywords: walking alcl3; chain; pao; chain walking ... See more keywords
Cationic polymerization of butadiene using a titanium tetrachloride—tert-butyl chloride catalytic system
Sign Up to like & getrecommendations! Published in 2018 at "Russian Chemical Bulletin"
DOI: 10.1007/s11172-018-2234-0
Abstract: Cationic polymerization of butadiene using a titanium tetrachloride—tert-butyl chloride catalytic system allows one to synthesize with high rates and yield fully soluble polybutadiene with controlled molecular characteristics. It was shown that the obtained cationic polybuta… read more here.
Keywords: cationic polymerization; using titanium; butadiene using; polymerization butadiene ... See more keywords
A new approach to the study of the structure of polyisoprene obtained by cationic polymerization
Sign Up to like & getrecommendations! Published in 2019 at "Russian Chemical Bulletin"
DOI: 10.1007/s11172-019-2425-3
Abstract: The use of the T2 filter in NMR studies allowed us to separate carbon atoms by their mobility in different fragments of the macromolecular chain of polyisoprene synthesized by cationic polymerization. The NMR signals of… read more here.
Keywords: cationic polymerization; approach study; new approach; polyisoprene ... See more keywords
Cationic polymerization of p-methoxystyrene co-initiated by B(C6F5)3: Effect of acetonitrile and proton traps
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DOI: 10.1016/j.eurpolymj.2020.109632
Abstract: Abstract The cationic polymerization of p-metoxystyrene co-initiated by B(C6F5)3 in CH2Cl2/CH3CN mixtures at room temperature has been studied. It was shown that in the presence of acetonitrile the polymerization proceeds in a quasiliving fashion affording… read more here.
Keywords: cationic polymerization; polymerization; initiated c6f5; methoxystyrene initiated ... See more keywords
Synthesis of gas-permeable membranes via crosslinking of poly(diphenylacetylene)s by cationic polymerization and radical coupling of side chains
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DOI: 10.1016/j.polymer.2021.123893
Abstract: Abstract Four types of diphenylacetylene monomers [Me3SiC6H4C CC6H4R; R = OCH2CH2Br (M1), CH2CH3 (M2), OCH CH2 (M3), and CH CH2 (M4)] were synthesized to facilitate the crosslinking of poly(diphenylacetylene)s via post-polymerization modification. Metathesis polymerizations of M1 and… read more here.
Keywords: diphenylacetylene; crosslinking poly; poly diphenylacetylene; cationic polymerization ... See more keywords
Visible light induced free radical promoted cationic polymerization using acylsilanes
Sign Up to like & getrecommendations! Published in 2019 at "Progress in Organic Coatings"
DOI: 10.1016/j.porgcoat.2019.02.045
Abstract: Abstract Within this work, a novel visible light photoinitiation system for cationic polymerization of oxiranes such as cyclohexene oxide (CHO) and vinyl monomers such as isobutyl vinyl ether (IBVE) and N -vinylcarbazole (NVC) using tetrakis(2,4,6-trimethylbenzoyl)silane… read more here.
Keywords: radical promoted; promoted cationic; free radical; visible light ... See more keywords
Formation of highly crosslinked polymer films in the presence of bio-based epoxy by photoinitiated cationic polymerization
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DOI: 10.1016/j.porgcoat.2021.106377
Abstract: Abstract Oleic acid was used as bio-based starting material for manufacturing of bis-(9,10-epoxystearic acid) 1,2-ethanediyl ester (EEDE). In contrast to epoxidized triglycerides, which contain also saturated structures, EEDE comprises exactly two epoxy groups that is… read more here.
Keywords: dgeba; bio based; photoinitiated cationic; eede dgeba ... See more keywords
Synthesis of Highly Defined Graft Copolymers Using a Cyclic Acetal Moiety as a Two-Stage Latent Initiating Site for Successive Living Cationic Polymerization and Ring-Opening Anionic Polymerization
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DOI: 10.1021/acs.macromol.7b02622
Abstract: The synthesis of well-defined graft copolymers with designed intervals between branches was achieved using cyclic acetal moieties as two-stage latent initiating sites. A cyclic acetal was shown to initiate the living cationic polymerization of vinyl… read more here.
Keywords: cyclic acetal; cationic polymerization; polymerization; graft copolymers ... See more keywords
Molecular Origin of the Induction Period in Photoinitiated Cationic Polymerization of Epoxies and Oxetanes
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DOI: 10.1021/acs.macromol.8b02486
Abstract: We investigated how the reactivity of epoxide and oxetane monomers in photoinitiated cationic polymerization is strongly influenced by their ability to form intramolecular hydrogen-bonding complexes with the Bronsted acids produced by the photoinitiator. In this… read more here.
Keywords: photoinitiated cationic; induction period; cationic polymerization;
Quasiliving Cationic Polymerization of Anethole: Accessing High-Performance Plastic from the Biomass-Derived Monomer
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DOI: 10.1021/acssuschemeng.1c01504
Abstract: Quasiliving cationic polymerization of the naturally occurring β-methylstyrene derivative, anethole, is reported for the first time. The effect of solvent polarity, initiator nature as well as Lewi... read more here.
Keywords: polymerization anethole; quasiliving cationic; accessing high; anethole accessing ... See more keywords
Mechanistic Insight into the Stereoselective Cationic Polymerization of Vinyl Ethers.
Sign Up to like & getrecommendations! Published in 2020 at "Journal of the American Chemical Society"
DOI: 10.1021/jacs.0c08254
Abstract: The control of the tacticity of synthetic polymers enables the realization of emergent physical properties from readily available starting materials. While stereodefined polymers derived from nonpolar vinyl monomers can be efficiently prepared using early transition… read more here.
Keywords: cationic polymerization; polymerization; stereoselective cationic; polymerization vinyl ... See more keywords