高分子凝集系の構造とダイナミックス:高分子物性及び材料設計に関する分子論的研究

1991 Fiscal Year Annual Research Report

• Project/Area Number: 03303009
• Research Institution: Nagoya University
• Principal Investigator: 野田 一郎 名古屋大学, 工学部, 教授 (30023055)
• Co-Investigator(Kenkyū-buntansha): 高橋 彰 三重大学, 工学部, 教授 (70023009) ; 野瀬 卓平 東京工業大学, 工学部, 教授 (20016405) ; 小高 忠男 大阪大学, 理学部, 教授 (20027022) ; 尾崎 邦宏 京都大学, 化学研究所, 教授 (00027046) ; 土井 正男 名古屋大学, 工学部, 教授 (70087104)
• Keywords: 高分子凝集系 / 分子形態 / ダイナミックス / 粘弾性 / 相転移 / 高分子複合系 / 高分子液晶 / 高分子吸着

Research Abstract

主な研究成果を各グル-プ毎に述べる。1.溶液中の分子形態とダイナミックス:寺本は高分子液晶の相平衡に及ぼす剛さ,静電力の影響を明らかにし、則末は三体相互作用を検討して、平均場近似理論の矛盾を指摘した。石鍋、近久、波田野は一般次元及びラメラ中の鎖の形態を、三宅は分岐高分子のダイナミックスを理論的に研究した。早川は高分子電解質の緩和を、山本は鎖の局所運動を実験的に研究した。2.凝集系の構造とダイナミックス:尾崎は粘弾性と複屈折の同時測定よりガラス状態の緩和を、小高は誘電緩和より高分子鎖の運動モ-ドを実験的に明らかにした。岩田は局所絡み合いモデルにより絡みを理論的に、五十野は微分動的弾性率測定により絡みを実験的に研究した。升田はゲル化過程の粘弾性を、野田は高分子電解質準希薄溶液の粘弾性を実験的に明らかにした。土井は複合系の粘弾性の理論を提出し、牛木は光プロ-ブ法により分子運動を研究した。3.相転移及び相、界面構造:和泉は中性子散乱法によりゾル-ゲル転移を実験的に、田中は可逆的な網目のダイナミックスを理論的に研究した。桑原,野瀬、橋本はミセルやポリマ-ブレンドの相分離の時間発展機構を明らかにし、福田は液晶性に及ぼす排除体積効果の重要性を指摘した。松下はABC型三元のブロック共重合体のミクロ相分離構造を実験的に明らかにし、太田はミクロ相分離構造のレオロジ-を、小貫は相分離過程に及ぼすずり流動の影響を理論的に研究した。塩川は制限された空間の鎖の形態を理論的に、高橋は界面の高分子の形態を実験的に明らかにした。これらは各自が独立に研究すると共に、互いに討論して得た成果で、一部は共同研究によるものもある。平成4年1月17ー19日に犬山市で、本組織の研究者、共同研究者及び組織外の招待研究者による合同研究会を開催し、成果をまとめた研究会要旨集を基に、本年度の総括と来年度へ向けての討論を行なった。

Research Products

• [Publications] M.Yamaguchi: "Viscoelastic Properties of Polyelectrolyte Solutions.1.Zeroーshear Viscosity" Macromolecules. 25. 470-474 (1992)
• [Publications] M.Yamaguchi: "Viscoelastic Properties of Polyelectrolyte Solutions.2.SteadyーState Compliance" Macromolecules. 25. 475-478 (1992)
• [Publications] M.Doi: "Dynamics and Rheology of Complex Interfaces.I" J.Chem.Phys.95. 1242-1248 (1991)
• [Publications] R.Larson: "Mesoscopic domain theory for textured liquid crystalline polymers" J.Rheol.35. 539-563 (1991)
• [Publications] Y.Mogi: "Preparation and Morphology of Triblock Copolymers of the ABC Type" Macromolecules,submitted.
• [Publications] Y.Mogi: "Tricontinuous Morphology of Triblock Copolymers of the ABC Type" Macromolecules,submitted.
• [Publications] M.M.,Green: "Cooperation in a Deep Helical Energy Well." Chirality. 3. 285-291 (1991)
• [Publications] T.Sato: "Dynamics of StiffーChain Polymers in Isotropic Solution.3.Flexibility Effect." Macrmolecules. 24. 6220-6226 (1991)
• [Publications] K.Kawakami: "Second Virial Coefficient for Charged Rods;Sodium Xanthan in Aqueous Sodium Chloride" Macromolecules. 24. 4898-4903 (1991)
• [Publications] Y.Nakamura: "Second and Third Virial Coefficients for Polystyrene in Cyclohexane near the O Point" Macromolecules. 24. 4904-4908 (1991)
• [Publications] A.M.Nemirovsky: "End‐to End Distance of a Single Self‐Interacting Polymer Chain:1/d Expansion" Phys.Lett.A. (1992)
• [Publications] A.M.Nemirovsky: "Marriage of Exact Enumeration and 1/d Expansion Method:Lattice Model of Dilute Polymers" J.Stat.Phys.(1992)
• [Publications] A.Miyake: "Intrachain Dynamics of Comb Polymers" Proc.China‐Japan Intern.Conf.on Rheol.308-311 (1991)
• [Publications] A.Miyake: "Moments of the Persistent End‐toEnd Vector of a Correlated Bond Sequence I.Symmetric Internal Rotations" Repts.Progr.Polym.Phys.Jpn.34. 31-34 (1991)
• [Publications] K.Ito: "Theory on the Relation between the Dielectric Relaxation and the Polyion Mobility Relaxation in Polyelectrolyte Solutions" Macromolecules. 24. 3857-3865 (1991)
• [Publications] Y.Kimura: "Nonlinear Dielectric Relaxation Spectra Calculated with Free Rotation Model of Dipole Moment" Japan.J.Appl.Phys.,to be published.
• [Publications] S.Yokotsuka: "Activation Energy of Local Polymer Motions Estimated from the Fluorescence Depolarization Measurements" Polymer Journal. 23. 103-115 (1991)
• [Publications] H.Kim: "Temperature dependence of probe diffusion in bulk polymer matrices" Polymer. 32. 108-112 (1991)
• [Publications] T.Yosimura: "Computer Studies on Statistics of Block Copolymer" Reports on Progress in Polymer Physics in Japan. XXXIV. 32-26 (1991)
• [Publications] N.Nemoto: "Diffusion of a DyeーLabeld Cetyldimethylamine Incorporated in Rodlike Micelles of Cetyltrimethylammonium Bromide in Aqueous Sodium Salicylate Solutions" Langmuir. 7. 2607-2613 (1991)
• [Publications] T.Inoue: "Birefringence of Amorphous Polymers.1.Dynamic Measurment on Polystyrene" Macromolecules. 24. 5670-5675 (1991)
• [Publications] H.Watanabe: "Slow Dielectric Relaxation of cisーPolyisoprene in a Polybutadiene Matrix.2.Comparison of Experiments and Constraint Release Models" Macromolecules. 24. 5372-5379 (1991)
• [Publications] K.Adachi: "Shudy of Subchain Dynamics by Dielectric NormalーMode Spectroscopy:ButadieneーIsoprene Block Copolymers" Macromolecules. 24. 5843-5850 (1991)
• [Publications] K.Iwata: "Local Knot(LK)Model of Entangled Polymer Chains.I.Computer Simulations of LK's and Their Collective Motion" J.Phys.Chem.
• [Publications] K.Iwata: "Local Knot(LK)Model of Entangled Polymer Chains.II.Theory of Probe Fluctuation and Diffusion Coefficient of Single LK" J.Polym.Sci.
• [Publications] Y.Isono: "Differential Dynamic Modulus of Polyisobutylene with High Molecular Weight.1.SingleーStep Large Shearing Deformations" Macromolecules. 24. 4429-4432 (1991)
• [Publications] Y.Isono: "Differential Dynamic Modulus of Polyisobutylene with High Molecular Weight.2.DoubleーStep Large Shearing Deformations" Macromolecules. 24. 4433-4436 (1991)
• [Publications] P.Driscoll: "Rheological Properties of a Homogeneous Thermotropic Liquid‐Crystalline Polyester:Dynamic Viscoelastic and InterruputedーFlow Measurements" Macromolecules. 24. 1567-1574 (1991)
• [Publications] T.Takigawa: "Critical Behaveor of the intrinsic viscosity of poly(vinylalcohol)solutions near the gelation point" J.Chem.Phys.93. 7310-7313 (1990)
• [Publications] T.Ikeda: "Timeーresolved obserbation of excitation hopping between two anthryl moietise attached to both ends of polystyrene chains" J.Chem.Phys.95. 6877-6884 (1991)
• [Publications] Y.Hu: "Fluorescence study of volume Phase transition of poly(acrylamide)gels with dansyl group" Macromolecules.
• [Publications] Y.Izumi: "Conformation of atactic polystyrene in carbon disulfide observed at a low temperature" Physica B. (1992)
• [Publications] Y.Izumi: "Structural study on the solーgel transition of atactic polystyrene in carbondisulfide" Physica B. (1992)
• [Publications] A.Matsuyama: "Theory of SolvationーInduced Reentrant CoilーGlobule Transition of an Isolated Polymer Chain." J.Chem.Phys.94(1). 781-786 (1991)
• [Publications] F.Tanaka: "Theory of Microphase Formation in Reversibly Associating Block Copolymers." Macromolecules. 24(20). 5582-5589 (1991)
• [Publications] K.Hamano: "Dynamical Universality in a Critical Mixture of a Nonionic Micellar Solution" Phys.Rev.A. 43. 6881-6886 (1991)
• [Publications] N.Kuwahara: "Universal Asymptotic Behaveor of Critical Dynamics in a Nonionic Micellar Solution" Phys.Rev.A. 44. R6177-R6180 (1991)
• [Publications] J.Baba: "Tracer Diffusion of Short Chains Confined in Microphase Domain of Blockcopolymer Mesophase" Rept.Prog.Polym.Phys.Jpn.XXXIV. 153-154 (1991)
• [Publications] M.Okada: "Phase Separation Induced by Two Step Temperature Jump" Polym.J.24. 215-218 (1992)
• [Publications] H.Tanaka: "Ordered Structure in Mixtures of a Block Copolymer and Homopolymers.1.Solubilization of LowーMolecularーWeight Homopolymers." Macromolecules. 24. 240-251 (1991)
• [Publications] T.Hashimoto: "Scattering Studies of SelfーAssembling Processes of Polymer Blends in Spinodal Decomposition" J.Appl.Cryst.24. 457-466 (1991)
• [Publications] T.Fukuda: "Conformation of Linear Aggregates of Thermally Denatured Ovalbumin" Macromolecules. 24. 6786-6787 (1991)
• [Publications] T.Fukuda: "OrientationーDependent Interaction in Polymer System.1.Segmental Orientation in Weakly Deformed Systems" Macromolecules. 24. 6210-6214 (1991)
• [Publications] T.Ohta: "Computer Simulations of Domain Growth under Steady Shear Flow" J.Chem.Phys.93. 2664-2675 (1990)
• [Publications] K.Shiokawa: "Chain Dimensions of a Polymer Confined between Two Pletes:a Mean Field Theoretical Approach" Polymer Journal. 23. 885-893 (1991)
• [Publications] K.Shiokawa: "Conformation on an Unperturbed Polymer Confined between Two PlatesーInteraction with the Plates" Rept.Prog.Polym.Phys.Jpn.34. 61-64 (1991)
• [Publications] A.Takahashi: "Interaction of Polymers Adsorbed on Particles and Processing of Colloidal Particles" Ceramic Transactions,Ceramic Powder Sci.,IV.22. (1991)
• [Publications] A.Takahashi: "Conformational States of Polymers Adsorbed on Interfaces" Polymer J.23. 715 (1991)