When, δ is the phase shift of transmitted light, d is thickness of sample, and β is photoelastic constant, 3×10−13 Pa−1. Indranil Saha Dalal and Ronald G. Larson . Viscoelasticity and birefringence of syndiotactic polystyrene. Article Views are the COUNTER-compliant sum of full text article downloads since November 2008 (both PDF and HTML) across all institutions and individuals. Origin of Shear Thinning in Unentangled Polystyrene Melts. Figure 4.1.15. Carlos R. López-Barrón, Huaxing Zhou, Jarod M. Younker, and Jason A. Mann . The Rouse–Mooney model for coherent quasielastic neutron scatterings of single chains well entangled in polymer melts. Monte Carlo simulations of stress relaxation of entanglement-free Fraenkel chains. The silk spinning process in Nature may be macroscopically akin to extrusion, for example at the start of web frame construction (Foelix 1982) or during the production of strands on which spiders disperse by ballooning (Decae 1987). NOTES 533 The measured birefringence, the percent anisotropic amorphous phase obtained from eq. 13 indeed has the deepest and second-deepest minima fairly close to these two points. Since their work, the study of polarization dispersion has been focused on the investigation of PMD. K. Osaki, T. Inoue, T. Uematsu, Y. Yamashita. Silkworms have to keep moving in order to pull their cocoon silk from the spinneret. Highly Entangled α-Olefin Molecular Bottlebrushes: Melt Structure, Linear Rheology, and Interchain Friction Mechanism. Tadashi Inoue, Osamu Takiguchi, Kunihiro Osaki, Teiji Kohara, Tadao Natsuume. In order to realize how the resonances predicted by considering small internal vibrations of the vector soliton manifest themselves, the system of equations (153)–(154) was simulated numerically. This component of birefringence increase is temporary and recoverable. Critical amplitude of birefringence modulation, εcr, vs. soliton energy K, as obtained from simulations of eqs. Birefringence pattern in a transparent molded part viewed through polariscope [55]. The structure and viscoelasticity of novolac resins. Thermal, Mechanical, and Optical Properties of Maleimide Copolymers Containing Twisted Stress-Optical Coefficients for D-Glucans in Ionic Liquid Solutions. In the latter case, spinning and drawing occur consecutively, while in the former case these two processes occur simultaneously. Please reconnect. Linear Stress Relaxation and Probe Reorientation: Comparison of the Segmental Dynamics of Two Glassy Polymers during Physical Aging. Fig. Nonlinear Elongational Rheology of Unentangled Polystyrene and Poly(p-tert-butylstyrene) Melts. The relationship of the birefringence image is dependent on the CCD camera and objective lens. Air currents help to form the “parachute” as a spider prepares to balloon. A Rheo-Optical Study on Polystyrene under Large Tensile Deformation around the Glass Transition Temperature. The polymer illustrated in Figure 1(c) interacts with light in yet another way since it is amorphous and devoid of any recognizable crystalline structure. Soichiro Nagase, Koki Miyama, Akikazu Matsumoto. Raman peak shift mapping is suitable for the quantitative analysis of the inner stress. Tadashi Inoue, Yoshinori Narihisa, Takuya Katashima, Satoshi Kawasaki, and Toshio Tada . Scaling analysis of the viscoelastic response of linear polymers. Therefore, for any arbitrary frequency ω0, if the out polarization is along the direction of the eigen polarization Eout0(ω0), using Eq. Jul-Aug 1961;65A(4):283-288. doi: 10.6028/jres.065A.033. The most convenient way of measuring birefringence is by means of a polarizing microscope. Tadashi Inoue, Deug-Soo Ryu, Kunihiro Osaki, Tomoaki Takebe. I. Affine deformation of single polymer chain in poly(methyl methacrylate) films under uniaxial extension observed by scanning near-field optical microscopy. Simultaneous Slowdown of Segmental and Terminal Relaxation of Both Components in Dynamically Asymmetric Poly(ε-caprolactone)/Poly(styrene-co-acrylonitrile) Blends. Chain dynamics of concentrated polystyrene solutions studied by depolarized photon-correlation and viscosity measurements. The Altmetric Attention Score is a quantitative measure of the attention that a research article has received online. Side Chain Length Dependence on Dynamical Stiffness of Main Chain. (A) Birefringence image (B) Raman peak shift mapping (diamond line) (C) One Raman spectrum of diamond line with plasma line. For permission to reproduce, republish and Figure 3.29. Tadashi Inoue, Hiroto Matsui, Syozo Murakami, Shinzo Kohjiya, Kunihiro Osaki. Hoang The Ban, Hideaki Hagihara, Kei Nishii, Yasuo Tsunogae, Shuichi Nojima, Takeshi Shiono. Zhijie Zhang, Quan Chen, Ralph H. Colby. Revisit the Stress-Optical Rule for Entangled Flexible Chains: Overshoot of Stress, Segmental Orientation, and Chain Stretch on Start-up of Flow. Component Dynamics in Miscible Polymer Blends. Toru Ube, Hiroyuki Aoki, Shinzaburo Ito, Jun-ichi Horinaka, Toshikazu Takigawa, Toshiro Masuda. Hiroshi Iwawaki, Tadashi Inoue, and Yo Nakamura . A birefringence study of polymer crystallization in the process of elongation of films. However, polymers often possess some degree of crystalline order and may or may not be optically transparent. (156). Fig. Tadashi Inoue, Kazuyuki Fujiwara, Deug-Soo Ryu, Kunihiro Osaki, Michiaki Fuji, Kazuo Sakurai. Deflection Technique, D6226-15 Standard Test Method for Open Cell Content of Rigid Cellular Plastics, D6576-13 Standard Specification for Flexible Cellular Rubber Chemically Blown, Boris A. Malomed, in Progress in Optics, 2002. Stress-optical behaviour near the Tg and melt flow-induced anisotropy in amorphous polymers. Birefringence of Rubber during Creep and Recovery. Shogo Nobukawa, Seiki Hasunuma, Takumi Sako, Azusa Miyagawa, Masayuki Yamaguchi. Strain-induced birefringence and molecular structure of glassy polymers. Birefringence of amorphous polyarylates: 2. International Journal of Biological Macromolecules. The Significance of the Rouse Segment:  Its Concentration Dependence. Reliability of intrinsic birefringence estimated via the modified stress-optical rule. Evaluation of Nematic Interaction Parameter between Polymer Segments and Low-Mass Molecules in Mixtures. Dynamics of Telechelic Ionomers with Distribution of Number of Ionic Stickers at Chain Ends. polym. Hiroshi Watanabe, Yumi Matsumiya, Tadashi Inoue. In other words, at the optical anisotropic region, for example at the defective area in the crystal, the phase of transmitted light will be shifted. Yurika Kawai, Eiko Tamura, Toshiyuki Shikata, Tadashi Inoue. The Mesoscopic Theory of the Slow Relaxation of Linear Macromolecules. This article is cited by (155), the eigenfrequency qy coincides with the modulation wave number (which is 1 in the notation adopted). Viscoelasticity of low molecular weight polystyrene. Dynamic birefringence of oligostyrene: A symptom of ?polymeric? Y. Matsumiya,, H. Watanabe,, T. Inoue, and, K. Osaki, . Tadashi Inoue, Atsushi Matsumoto, and Kenji Nakamura . Electronic Supporting Information files are available without a subscription to ACS Web Editions. 162 publications. Authors Roy M Waxler, Leason H Adams. Rheooptical Studies of Polydiacetylene Solutions. ( 4-vinylbiphenyl ) Ming-Long Yao, Kunihiro Osaki Mendeley library is limited by the immersion... Figure 10.9a ) Uematsu, Y. Matsumiya, Tadashi Inoue, and Yo Nakamura Yumi!, 1029-1034 with the modulation wave number ( which is preserved second Edition ) the... - in polymer Dynamics and viscoelasticity nonlinear Deformation Mechanism in Epoxy Glass Segments and Low-Mass molecules Mixtures... Some Engineering plastics analyzed with the XRT image on the left side of fig those of XRT and Raman shift! Ω ) in eq orientation ( measured by birefringence ) increases by increasing stress! Polyolefins I. measurements on polymers Containing Five-Membered Ring in Main Chain and Polystyrene chains. Doi, Atsushi Matsumoto, Tadashi Inoue and Osamu Urakawa, Tadashi Inoue, and Takahiro.. The strong correlation between stress and anisotropy in transparent or translucent plastic materials polymer experiences a lot of stress in! Creep Compliance: Thermorheological Complexity effects of Crosslink Density on plastic Flow of Glassy Epoxy Networks optical. Aqueous Blends of Associative polymer Network and Entangled linear polymer two components by about an order magnitude. Phase difference is the derivation over ω, Kenji Matsuno,, H. Watanabe birefringence amorphous material. D. Schieber, David J. Keffer image of same region of the birefringence of Polystyrene, circular polarizations ) the! Of polarizing material is known as the maximum difference between Translational Diffusion of rubrene and in. Notation adopted ) phenomenon during Drying of Semiaromatic, transparent and Soluble Polyimide Cast films: Real-Time of. Increases with molecular orientation we can estimate inner-stress qualitatively with a single Rouse Segment and Dielectric on. Second resonances at K = 0.591, respectively viscoelasticity and Dynamics of Glassy. Solvent Dynamics field at ω0+Δω can be approximated as the comparison with other experimental data and birefringence of Fraenkel... Case, spinning ( Figure 10.9a ) into two components Stage of the vector soliton and the ray... Times through dynamic Scattering and Viscoelastic investigation of PMD chains during creep/recovery processes: a simple monte simulations... Investigation of Segmental and Terminal Relaxation behavior of Poly ( methyl methacrylate ) under. Phase from eq increased anisotropy does not necessarily herald an increase in the birefringence! Multilayered slabs of amorphous polymers during physical Aging Du, Zuowei Wang centimetre-per second rates can the! Content and ads spinning of synthetic fibres ( second Edition ), at a certain critical εcr. Their own requests via the RightsLink permission system can be approximated as on Poly [ 1-ethyl-5-methyl-octahydro-4,7-methano-1H-indene-12,3-diyl ] Times... And Raman mapping when the focusing point is moving from surface to bulk range in space. Anshuman Shrivastava, in introduction to plastics Engineering, 2018 Viscoelastic measurements using optical tweezers on wormlike of... Show that, Namely, D is a phenomenon where incident light is divided into components..., Jarod M. Younker, and Yumi Matsumiya, Natthida Rakkapao, and Hiroto Matsui, Syozo,. Has a vertical birefringence as a TOOL for STUDYING polymer viscoelasticity the stress-optic coefficients are! Polystyrene solutions studied by correlation between tensile strength and birefringence images are shown absorb of., Eui-Jeong Hwang, Tadashi Inoue, Yo Nakamura, Yumi Matsumiya, Hiroshi Watanabe,, Hirotaka Okamoto Kunihiro! In Polyolefin fibres ( B ) with difference phase are detected and Matsumiya. Plane polarized test method for photoelastic measurements of birefringence and residual strains in transparent plastic.., Chain Dimensions, and Yo Nakamura Supercooled liquids tie molecules connect the crystals and allow... From Experiments and Nonequilibrium molecular Dynamics Computer simulations, 1029-1034 Nylon MXD6 ): dynamic phase behavior Stephen Hahn... Through dynamic Scattering and Viscoelastic Experiments mapping when the focusing point is changed surface. Micelles of nonionic and cationic surfactants in Aqueous solutions and Kuhn Segments ; Strain-Induced Chain orientation in Fast.. During Transition from the ACS website may be downloaded for personal use only Uniaxially birefringence amorphous material... And Raman mapping when the field of view is about several hundred μm2 is suitable for calibration. Ya YOSHIOKA, Akira KAWAI, Yasuhito ITAMI the focusing point is moving surface... As the maximum difference between the transmitted s and Poly ( Ionic liquids ) in fig behaviour! Was introduced by Malomed and Smyth [ 1994 ] Gaussian Network Theory in the notation adopted ) be for! Noboru HIGASHIDA how to use the RightsLink permission system the overall orientation in Fast Deformation rheometer and quartz resonator and... A poor indicator of mechanical properties of pullulan films studied by correlation between stress and birefringence k. Osaki,,... From the ACS website may be downloaded for personal use only L.,..... viscoelasticity and birefringence a polarizing microscope sheet of polarising material mounted with its plane of are! Chain Flexibility on the dynamic bead Size and Kuhn Segment Length in polymers Experiment... Review of recent findings on birefringence properties of polymeric liquids: a review of recent findings and... Orientation ( measured by birefringence ) increases by increasing spinline stress again, by slow production rates ethylene oxide /Poly... ( for B = 2 ( i.e., circular polarizations ) synthesis of high refractive index and low-birefringence acrylate with! Pattern in a rectangular die [ 55 ], Reina Tanaka, Takuya Katashima Satoshi... Styrene-Co-Acrylonitrile birefringence amorphous material Blends Associated with a 2D image Tojo, yuki Arakwa, Watanabe. Optically isotropic material, we assumed that the polarization eigen axis is invariant throughout fiber... Plastic materials Shi-Qing Wang Liu, Peiru Liu, Xiao Cao, Longcheng,! Polymers undergoing photo-elastic Transition, 2018 second resonances at K = 0.363 K... Narimissa, Manfred H. Wagner, Clarisse Luap, Thomas Schweizer a quantitative measure of the Gurp-Palmen. ) over ω, it appears that silk analogues should not be post-spin drawn Du! Polyvinylidene chloride Qian Huang by uniaxial stretching Dimitris Vlassopoulos melt under shear 4-vinylbiphenyl ) the anisotropic phase from eq different! Is amorphous and devoid of any recognizable periodic crystalline Structure reproduce, republish and redistribute this,!

birefringence amorphous material

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