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Article
Electrolytic Polymerization of Tetrahydrofuran
The electrolytic polymerization of tetrahydrofuran (THF) was carried out in bulk by using tetrabutylammonium perchlorate as an electrolyte. Poly-THF was obtained from the anolyte. The yield of the polymer incr...
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Article
Electrochemical Oxidation of Polymer Anions and Arene Anions
In order to investigate the reactivity of carbanions in anionic polymerizations, oscillopolarographic measurements of oxidation potentials of polymer anions and arene anions were carried out in tetrahydrofuran...
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Article
Anode-Initiated Polymerizations of Olefins and Tetrahydrofuran
The electrolytic polymerization of methyl methacrylate (MMA), styrene and tetrahydrofuran (THF) at the anode was investigated by using (C4H9)4NClO4 and (C4H9)4NPF6 as supporting electrolytes. These polymerization...
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Article
The Polymer Effect. I. The Acceleration Effect of Poly(vinylpyrrolidone) on a Williamson’s Reaction
The additive effect of poly(vinylpyrrolidone) (PVPD) to a Williamson’s reaction, ether synthesis from sodium phenoxide and n-butyl bromide, in dioxane—ethanol mixed solution at 45°C has been investigated, and com...
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Article
Decarboxylation of the 6-nitrobenzisoxazole-3-carboxylate anion catalyzed by cross-linked poly(4-vinylpyridinium) salts
Catalysis of cationic polyelectrolytes for the decarboxylation of 6-nitrobenzisoxazole-3-carboxylate anion was studied in a buffer solution (pH=9.0). Cross-linked poly (4-vinylpyridinium) salts prepared from 4...
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Article
Catalysis by Cross-Linked Cationic Polymers. I. The Decarboxylation of 6-Nitrobenzisoxazole-3-carboxylate Anion Catalyzed by Cross-Linked Polystyrene Resins Having Quaternized Ammonium Chloride
Catalysis by cationic polyelectrolytes of the decarboxylation of 6-nitrobenzisoxazole-3-carboxylate anion was studied in a buffer solution. The polyelectrolytes used were insoluble cross-linked styrene–divinyl...
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Article
Hydrophobicity and Dynamic Characteristics of Cross-Linked Polystyrene Gels Studied with Fluorescent Probes
The hydrophobicity and dynamic characteristics of cross-linked polystyrene gels with quaternary ammonium groups (PSQA) have been studied from the fluorescence spectra and depolarization of 6-p-toluidino-2-naphtha...
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Article
Preparation of homo- and co-dimers of styrene derivatives using phosphate
Dimers were preferably obtained in the oligomerization of styrene derivatives by diphenyl hydrogen phosphate. The reaction was assumed to proceed through the formation of esters from the monomers and diphenyl ...
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Article
Preparation of co-dimers of styrene and p-chlorostyrene with regulated monomer sequences using phosphates
Two co-dimers of styrene and p-chlorostyrene having regulated monomer sequences were obtained by the reactions of 1-(4-chlorophenyl) ethyl diphenyl phosphate with styrene and of 1-phenylethyl diphenyl phosphat...
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Chapter
Soluble Ladder Type of Poly (Silsesquioxanes) having Functional Groups
As technology develops, there is an ever-Increasing demand for materials that are resistant to various modes of degradation. Ladder polymers are therefore of particular interest since, theoretically, they poss...
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Chapter
Anionic Polymerization of p-Styrenyl Substituted Derivatives of Silicon, Germanium and Tin
A large number of polymers involving metallic elements in the backbone and side chains have been investigated in the search for new thermostable plactics and elastomers and of excellent mechanical properties a...
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Chapter and Conference Paper
Surface Characterization of Hema-Styrene Block Copolymer Using Transmission Electron Microscopy
We have already demonstrated that an amphiphilic block copolymer composed of 2-hydroxyethyl methacrylate(HEMA) and styrene, HS, showed excellent blood compatibility. The present study was carried out to charac...
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Article
Side-Chain Liquid Crystal Block Copolymers with Well-Defined Structures Prepared by Living Anionic Polymerization I. Thermotropic Phase Behavior and Structures of Liquid Crystal Segment in Lamellar Type of Microphase Domain
We have synthesized the A-B block copolymer with polystyrene as A segment and side-chain liquid crystal (LC) polymer as B segment by a sequential living polymerization. The copolymers were successfully prepare...
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Article
A Study of Three-Phase Structures in ABC Triblock Copolymers
The microdomain structure of an ABC triblock copolymer consisting of poly(2-hydroxyethyl methacrylate), poly(tert-butyl methacrylate) and poly(2-(perfluorobutyl) ethyl methacrylate) was investigated by means of s...
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Article
Anionic Polymerizations of Perfluoroalkyl Methacrylates and Synthesis of Well-Defined ABC Triblock Copolymers of Methacrylates Containing Hydrophilic, Hydrophobic, and Perfluoroalkyl Groups
Anionic polymerizations of three perfluoroalkyl methacrylates, 2,2,2-trifluoroethyl- (1), 2-(perfluorobutyl)ethyl- (2), and 2-(perfluorooctyl)ethyl methacrylates (3), were carried out in THF at −78 °C for 1 h wit...
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Article
Chain End Group-Induced Surface Ordering in Poly(styrene-b-4-vinylpyridine) Symmetric Diblock Copolymer Films
The proton-terminated and fluoroalkyl-terminated poly(styrene-b-4-vinylpyridine) [P(St-b-4VP)] symmetric diblock copolymers were synthesized by a sequential anionic polymerization. The surface chemical compositio...
