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31 저널기사 Stereoselective Ring-Opening Polymerization of rac-Lactide with a Single-Site, Racemic Aluminum Alkoxide Catalyst: Synthesis of Stereoblock Poly(lactic acid) Published online 27 November 2000/ 미리보기
Ovitt, T M John Wiley ＆ Sons 2000
32 저널기사 The Preparation of Hyperbranched Aromatic and Aliphatic Polyether Epoxies by Chloride-Catalyzed Proton Transfer Polymerization from ABn and A2 + B3 Monomers Published online 27 November 2000/ 미리보기
Emrick, T John Wiley ＆ Sons 2000
33 저널기사 RAPID COMMUNICATIONS - Preparation of meta-Polyaniline and Its Related Poly(iminoarylene)s by Nickel-Catalyzed Polycondensation of Aryl Dichlorides with Aryl Primary Diamines Published online 13 October 2000/ 미리보기
Kanbara, T John Wiley ＆ Sons 2000
34 저널기사 COVER - The front cover illustrates the MALDI-TOF-MS analysis of polyisobutyl vinyl ether) obtained by living cationic polymerization. More details on this topic are presented by Katayama et al. on page 1023./ 미리보기
John Wiley ＆ Sons 2000
35 저널기사 Synthesis and Polymerization of Long Alkyl Acetylenic Compounds - A variety of long alkyl acetylenic compounds was synthesized and polymerized by using Rh(I) catalysts. Particularly, the monomer having a terminal hydroxyl group was converted into the high molecular weight of polymer in fairly conversion, which was soluble in THF, DMSO, and DMF. The high stereoregularity (cis) in the main chain was confirmed by 1H-NMR in DMSO-d6 and the rod-like structure by wide-angle X-ray diffraction/ 미리보기
Mitsuyama, M John Wiley ＆ Sons 2000
36 저널기사 Polymerization of o-Quinodimethanes. IV. Radical Polymerization of 1-Cyano-o-quinodimethane in the Presence of TEMPO - The radical polymerization of 1-cyano-o-quinodimethane generated by thermal isomerization of 1-cyanobenzocyclobutene proceeded effectively to give the corresponding polymer in the presence of 2,2,6,6-tetramethylpiperidne-N-oxide (TEMPO). Moreover, the block copolymerization of the obtained polymer with styrene also proceeded effectively/ 미리보기
Chino, K John Wiley ＆ Sons 2000
37 저널기사 Synthesis of Polymers in Aqueous Solutions: Synthesis of Polysulfide by Reaction of Bis(4-mercaptophenyl) Sulfide with Bis(4-chloro-3-nitrophenyl) Sulfone Using Various Bases in Aqueous Solutions - The polycondensation of bis(4-mercaptophenyl) sulfide (BMPS) with bis(4-chloro-3-nitrophenyl) sulfone (BCNPS) was examined using various organic or inorganic bases in mixed solvents of N-methyl-2-pyrrolidone (NMP) with water or in plain water. The reaction of BMPS with BCNPS proceeded smoothly to give the corresponding polysulfide in the mixed solvents of NMP with water or in plain water using appropriate organic bases such as 1,8-diazabicyclo(5.4.0)- undecene-7, tripropylamine, or quinoline/ 미리보기
Kimura, K John Wiley ＆ Sons 2000
38 저널기사 Structure-Initiator Activity Dependence of Aminimides as Thermally Latent Initiators in the Polymerization of Glycidyl Phenyl Ether - Novel aminimides were synthesized from the corresponding carboxylic acid esters, 1,1-dimethylhydrazine, and epoxides in 54-95% yields. Bulk polymerization of glycidyl phenyl ether (GPE) with 3 mol % of the aminimides was evaluated by DSC as a model process. All the DSC curves showed no exothermic peaks below 120 (degree)C but showed sharp exothermic peaks above 137 (degree)C, which indicated the good thermal latency of the aminimides. Good relationships were observed between the calculated bond length from the carbonyl carbon to the a-carbon of the aliphatic group (R--C), DSC onset temperatures, and the thermal dissociation temperatures (Td) of the aminimides. The aminimide with a longer R--C bond length showed lower Td and DSC onset temperature, that is, higher activity/ 미리보기
Kirino, M John Wiley ＆ Sons 2000
39 저널기사 Monochromatic-Red-Light Emission of Novel Copolymers Containing Carbazole Units and Europium-Acrylate Complexes - Nearly monochromatic-red-light-emitting polymers with pendant carbazole and europium (Eu) complex were synthesized and characterized by Fourier transform infrared, elemental analysis (EA), 1H NMR, 13C NMR, UV, and gel permeation chromatography. The photoluminescence and electroluminescence (EL) properties of these polymers were investigated. A single-layer light-emitting-diode device of the structure (indium tin oxide/polymer P4/Al) was fabricated, showing 520 the characteristic bright-red EL of the Eu3+ complex at 614 nm at a turn-on voltage of about 17 V. The EL spectrum, current-voltage, and emission-intensity-voltage characteristics of the device were measured/ 미리보기
Yang, M John Wiley ＆ Sons 2000
40 저널기사 Solvent Removal During Curing Process of Highly Spheric and Monodispersed-Sized Polystyrene Capsules from Density-Matched Emulsions Composed of Water and Benzene/1,2-Dichloroethane - For the curing process of highly spheric monodispersed 4-mm-in-diameter polystyrene capsules with uniform thickness from W/O/W emulsions, the masses of the solvents were measured for the oil phases and the distillate and calculated for the water phase. The analysis of the solvents in the water phase indicated that the process was governed by the kinetics of their dissolving from the oil phase to the outer water phase rather than by the vapor pressure of the solvents in the early stage before the oil phase lost its fluidity. In order to prepare the capsules by this method, the solubility of the solvents in water is crucial/ 미리보기
Nagai, K John Wiley ＆ Sons 2000
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