Journal of Polymer Science Part B Polymer Physics (J Polymer Sci B Polymer Phys )

Publisher: John Wiley & Sons

Description

The Journal of Polymer Science reports results of fundamental research in all areas of high polymer chemistry and physics. The Journal is selective in accepting contributions on the basis of merit and originality. It is not intended as a repository for unevaluated data. Preference is given to contributions that offer new or more comprehensive concepts interpretations experimental approaches and results. Part B: Polymer Physics accepts contributions in physics and physical chemistry. Contributions may be submitted as Regular Articles as Rapid Communications or as Notes. Regular articles are full length papers to be considered as complete publications of original unpublished results. Rapid Communications refer to mostly preliminary reports of extreme urgency significance and originality which should be limited to a maximum of 3 printed pages. Papers to be submitted for consideration as Notes should be short versions of Regular Articles.

  • Impact factor
    2.22
  • 5-year impact
    2.03
  • Cited half-life
    0.00
  • Immediacy index
    0.59
  • Eigenfactor
    0.01
  • Article influence
    0.60
  • Website
    Journal of Polymer Science Part B: Polymer Physics website
  • Other titles
    Journal of polymer science. Part B, Polymer physics (Online), Journal of polymer science. Part B, Polymer physics, Polymer physics
  • ISSN
    1099-0488
  • OCLC
    39028915
  • Material type
    Document, Periodical, Internet resource
  • Document type
    Internet Resource, Computer File, Journal / Magazine / Newspaper

Publisher details

John Wiley & Sons

  • Pre-print
    • Author can archive a pre-print version
  • Post-print
    • Author can archive a post-print version
  • Conditions
    • See Wiley-Blackwell entry for articles after February 2007
    • On personal web site or secure external website at authors institution
    • Not allowed on institutional repository
    • JASIST authors may deposit in an institutional repository
    • Non-commercial
    • Pre-print must be accompanied with set phrase (see individual journal copyright transfer agreements)
    • Published source must be acknowledged with set phrase (see individual journal copyright transfer agreements)
    • Publisher's version/PDF cannot be used
    • Articles in some journals can be made Open Access on payment of additional charge
    • 'John Wiley and Sons' is an imprint of 'Wiley-Blackwell'
  • Classification
    ​ green

Publications in this journal

  • [Show abstract] [Hide abstract]
    ABSTRACT: Semi-interpenetrating polymer networks (semi-IPNs) were prepared by reactions of 2,4-tolylene diisocyanate (TDI) and hydroxy-terminated 4-arm star-shaped l-lactide oligomers (H4LAOn's) with the degrees of polymerization of lactate unit per one arm, n = 3, 5, and 10 in the presence of poly(ε-caprolactone) (PCL). Morphologies, thermal, and mechanical properties of the TDI-bridged H4LAOn (TH4LAOn)/PCL semi-IPNs were evaluated by comparing with those of poly(l-lactide) (PLA)/PCL blends. Compatibility between the two components of the TH4LAOn/PCL semi-IPN with a PCL content not more than 50 wt % was much better than those of the PLA/PCL blends with the same PCL content. All the TH4LAOn networks were substantially amorphous and their tan δ peak or glass transition temperatures increased with decreasing n value. Most of the semi-IPNs did not show clear glass transition temperature related to both the components. Tensile toughness and elongation at break for all the TH4LAOn/PCL semi-IPNs were much higher than those for the PLA/PCL blends with the same PCL content. © 2014 Wiley Periodicals, Inc. J. Polym. Sci., Part B: Polym. Phys. 2014
    Journal of Polymer Science Part B Polymer Physics 11/2014; 52(21):1420-1428.
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    ABSTRACT: New multifunctional polyacrylonitrile (PAN)-ZnO/Ag composite electrospun nanofiber membranes consisting of pineal-type, flower-type, and sea-urchin-type ZnO morphologies were prepared using a single-capillary electrospinning technique, hydrothermal ZnO synthesis, and Ag reduction. The various ZnO architectures exhibited differences in photocatalytic activity and UV-shielding efficiency, and were ranked as follows: sea-urchin type > flower type > pineal type. Sea-urchin-type ZnO features a higher surface-to-volume ratio than other ZnO architectures do because of its distinctive structure, thus yielding higher performance. The present study demonstrated that self-standing PAN-ZnO/Ag composite fiber membranes, especially those with the sea-urchin-type ZnO structure, can be applied in multifunctional textiles such as water purification filters and antibacterial and UV-shielding clothes. © 2014 Wiley Periodicals, Inc. J. Polym. Sci., Part B: Polym. Phys. 2014
    Journal of Polymer Science Part B Polymer Physics 10/2014;
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    ABSTRACT: We present a study of isotropic and uniaxially oriented binary blend films comprising ≤1 wt % of the conjugated polymer poly(9,9-dioctylfluorene) (PFO) dispersed in both ultra-high molecular weight (UHMW) and linear-low-density (LLD) polyethylene (PE). Polarized absorption, fluorescence and Raman spectroscopy, scanning electron microscopy, and X-ray diffraction are used to characterize the samples before and after tensile deformation. Results show that blend films can be prepared with PFO chains adopting a combination of several distinct molecular conformations, namely glassy, crystalline, and the so-called β-phase, which directly influences the resulting optical properties. Both PFO concentration and drawing temperature strongly affect the alignment of PFO chains during the tensile drawing of the blend films. In both PE hosts, crystallization of PFO takes place during drawing; the resulting ordered chains show optimal optical anisotropy. Our results clarify the PFO microstructure in oriented blends with PE and the processing conditions required for achieving the maximal optical anisotropy. © 2014 The Authors. Journal of Polymer Science Part B: Polymer Physics Published by Wiley Periodicals, Inc. J. Polym. Sci., Part B: Polym. Phys. 2014
    Journal of Polymer Science Part B Polymer Physics 10/2014;
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    ABSTRACT: Blends of self-assembling polystyrene-block-poly(4-vinyl pyridine) (PS-b-P4VP) diblock-copolymers and poly(4-vinyl pyridine) (P4VP) homopolymers were used to fabricate isoporous and nanoporous films. Block copolymers (BCP) self-assembled into a structure where the minority component forms very uniform cylinders, while homopolymers, resided in the core of the cylinders. Selective removal of the homopolymers by ethanol immersion led to the formation of well-ordered pores. In films without added homopolymer, just immersion in ethanol and subsequent swelling of the P4VP blocks was found to be sufficient to create pores. Pore sizes were tuned between 10 and 50 nm by simply varying the homopolymer content and the molecular weight of the block-copolymer. Uniformity was lost when the average pore size exceeded 30 nm because of macrophase separation. However, preparation of films from low MW diblock copolymers showed that it is possible to have excellent pore size control and a high porosity, while retaining a low pore size distribution. © 2014 Wiley Periodicals, Inc. J. Polym. Sci., Part B: Polym. Phys. 2014
    Journal of Polymer Science Part B Polymer Physics 10/2014;
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    ABSTRACT: Poly(1,5-diaminoanthraquinone) is synthesized by oxidative polymerization of diaminoanthraquinone monomers and investigated as an organic host for Li-storage reaction. Benefiting from its high density of redox-active, Li+-associable benzoquinone groups attached to conducting polyaniline backbones, this polymer undergoes its cathodic reaction predominately through Li+-insertion/extraction processes, delivering a very high reversible capacity of 285 mAh g−1. In addition, the PDAQ polymer cathode exhibits an excellent rate capability (125 mAh g−1 at 800 mA g−1) and a considerable cyclability with a capacity retention of ∼160 mAh g−1 over 200 cycles, possibly serving as a sustainable, high capacity Li+ host cathode for Li-ion batteries. © 2014 Wiley Periodicals, Inc. J. Polym. Sci., Part B: Polym. Phys. 2014
    Journal of Polymer Science Part B Polymer Physics 10/2014;
  • [Show abstract] [Hide abstract]
    ABSTRACT: The isothermal crystallization of poly(l-lactide) (PLLA) in blends with poly(butylene oxalate) (PBOX) is investigated by time-resolved small-angle X-ray scattering, differential scanning calorimetry, and optical microscopy. We focus on the temperatures at which only PLLA crystallizes while PBOX is amorphous. It is obtained that the addition of PBOX causes a reduction of the melting temperature of PLLA. The lamellar thickness of PLLA crystals decreases whereas the amorphous layer thickness increases with blend composition, suggesting the occurrence of the interlamellar incorporation upon the addition of PBOX. The crystal growth rate and morphology of PLLA/PBOX blends are analyzed by polarized optical microscopy. The spherulite growth rate of PLLA is found to increase with the addition of PBOX. Analysis of the isothermal crystallization in terms of the Lauritzen and Hoffman equation give the reduction of the fold surface free energy upon the addition of PBOX in PLLA, indicating that the mobility of the PLLA chains is significantly improved due to the presence of PBOX. © 2014 Wiley Periodicals, Inc. J. Polym. Sci., Part B: Polym. Phys. 2014
    Journal of Polymer Science Part B Polymer Physics 10/2014;
  • [Show abstract] [Hide abstract]
    ABSTRACT: We have developed and applied a molecular theory that enables the investigation of the interactions between polyelectrolyte coated nanoparticles (NPs) in aqueous solutions. Potential applications of polyelectrolyte-coated NPs involve nanosensors for oil well characterization. To account for the high salinity environment encountered in an oil well or brine solution, we also considered in the theoretical description counterion condensation as well as ion–ion paring. We identified the design criteria to achieve dispersion stability of NPs coated with either polyacrylic acid (pAA), poly acrylamido-2-methylpropane sulfonate (pAMPS), or an alternating copolymer of acrylic acid and acrylamido-2-methylpropane sulfonate (pAA-a-AMPS) under brine-like conditions and quantified the effects of NP core size, molecular weight, density of the polyelectrolyte coating, and polymer chemistry. The results were summarized in stability diagrams, which predict the polymer surface coverage and molecular weight that is required for the NP solution to remain dispersed. © 2014 Wiley Periodicals, Inc. J. Polym. Sci., Part B: Polym. Phys. 2014
    Journal of Polymer Science Part B Polymer Physics 10/2014;
  • Silvana Maione, Georgina Fabregat, Luis J. del Valle, Anca‐Dana Bendrea, Luminita Cianga, Ioan Cianga, Francesc Estrany, Carlos Alemán
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    ABSTRACT: Graft copolymers formed by anchoring poly(ethylene glycol) (PEG) chains to conjugated polythiophene have been prepared by copolymerizing two compounds: unsubstituted α-terthiophene (Th3) and a thiophene-derived macromonomer having an α-terthiophene conjugated sequence and one Th3 bearing a PEG chain with molecular weight of 2000 as substitute at the 3-position of the central heterocycle (Th3-PEG2000). The grafting ratio of the resulting copolymers (PTh3*-g-PEG), which were obtained using 75:25 and 50:50 Th3-PEG2000:Th3 weight ratios, is significantly smaller than that of copolymers derived from polymerization of macromonomers consisting of a α-pentathiophene sequence in which the central ring bears a PEG chain of Mw = 2000 (PTh5-g-PEG). The electroactivity and electrochemical stability of PTh3*-g-PEG is not only higher than that of PTh5-g-PEG but also higher than that of PTh3, the latter presenting a very compact structure that makes difficult the access and escape of dopant ions into the polymeric matrix during the redox processes. Furthermore, the optical π-π* lowest transition energy of PTh3*-g-PEG is lower than that of both PTh5-g-PEG and PTh3. These properties, combined with suitable wettability and roughness, result in an excellent behavior as bioactive platform of PTh3*-g-PEG copolymers, which are more biocompatible, in terms of cellular adhesion and proliferation, and electro-compatible than PTh5-g-PEG. © 2014 Wiley Periodicals, Inc. J. Polym. Sci., Part B: Polym. Phys. 2014
    Journal of Polymer Science Part B Polymer Physics 10/2014;
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    ABSTRACT: Semiconductor organic-inorganic nanocomposites have garnered much attention as they integrate the advantageous properties from conjugated polymers (CPs) and semiconductor nanocrystals (NCs). Recent developments in interfacial engineering of CP-NC nanocomposites enabled the intimate contact between CPs and NCs, thereby facilitating charge separation between these two constituents. To capitalize on the use of CP-NC nanocomposites for hybrid solar cells, several issues need to be addressed, including materials design and engineering, light harvesting, and morphology of photoactive layer. In this Review, the general working principle of hybrid solar cells and the development of p-type and n-type CPs are briefly introduced, followed by the highlight of recent advances in synthesis of CP-NC nanocomposites in which CP and NC are in intimate contact for hybrid solar cells, and the discussion on various strategies for potentially improved power conversion efficiency. An outlook for future directions in this area is also presented. © 2014 Wiley Periodicals, Inc. J. Polym. Sci., Part B: Polym. Phys. 2014
    Journal of Polymer Science Part B Polymer Physics 10/2014;
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    ABSTRACT: Polymeric gas separation membranes frequently undergo the phenomenon of aging, that is, performance parameters like permeability decrease with storage or usage time. Here, we report on a new approach of reducing aging by incorporation of functionalized multiwalled carbon nanotubes into a polymer of intrinsic microporosity. Free volume and permeability measurements clearly show a reduced aging with incorporation of the carbon nantubes. © 2014 Wiley Periodicals, Inc. J. Polym. Sci., Part B: Polym. Phys. 2014
    Journal of Polymer Science Part B Polymer Physics 10/2014;
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    ABSTRACT: Janus hairy nanoparticles (JHNPs) represent a new class of hybrid materials with a nanoparticle core and a layer of bicompartmentalized polymer brushes. This unique structure combines the complex properties of polymer brushes, the amphiphilic nature of surfactant, and the mechanical, optical, and electronic properties of nanoparticles. Over the past decade, tremendous efforts have been devoted to synthesizing JHNPs and understanding their structure and properties. In this review, we will summarize the recent progresses in the field, including fabrication approaches and the self- and directed assembly behavior of such JHNPs. We will specifically focus on the newly developed polymer single crystal directed nanoparticle assembly approach. © 2014 Wiley Periodicals, Inc. J. Polym. Sci., Part B: Polym. Phys. 2014
    Journal of Polymer Science Part B Polymer Physics 10/2014;
  • Journal of Polymer Science Part B Polymer Physics 10/2014;
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    ABSTRACT: This study investigates the resistive behavior of rod-coated micrometer thick films of poly(3,4-ethylenedioxythiophene):poly(styrenesulfonate) (PEDOT:PSS) on ultra-low modulus (120– 130 kPa) polydimethylsiloxane (PDMS) substrate having scratch or microtrench-type roughness patterns. On average, the films were found to remain electrically functional up to 23% axial strain with an average increase of three times in the value of the normalized resistance. The films were also found to remain conductive up to bending diameter of 4 mm with an average increase of 1.12 times their initial resistance. The rod-coated PEDOT:PSS films on ultra-low modulus PDMS having microtrench-type roughness were also found to remain functional even after 1000 bending cycles at a bending diameter of 4 mm and even smaller with an increase in resistance that was on average 1.15 times their initial resistance. The films were found to fail firstly by cracking and thereby debonding from the substrate under the application of axial strain. On the other hand, the films exhibit no delamination under bending strains. The results from this investigation suggest that the polymer–polymer laminate has potential applicability in stretchable and flexible electronics and related applications. © 2014 Wiley Periodicals, Inc. J. Polym. Sci., Part B: Polym. Phys. 2014
    Journal of Polymer Science Part B Polymer Physics 10/2014;
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    ABSTRACT: Systematically varied annealing, encapsulation, and solvent vapor treatments are conducted to produce stable OPV devices with controlled film morphology and high performance when produced in air. Active layer films are analyzed by AFM, nanomechanical mapping, UV–vis spectroscopy, and XRD. Devices prepared with isopropanol solvent vapor annealing (SVA) combined with thermal annealing (TA) show the highest environmental resistance and performance. Such devices yield average PCE of 3.3%, with stability to atmospheric exposure of up to 60 min prior to encapsulation. Encapsulated devices exposed to the laboratory environment for 30 days exhibit a decrease in PCE of ∼15%. On application of a second TA step PCE is recovered to over 90% of the original value. The unprecedented air stability of the cells is attributed to the formation of an active layer with a stable, favorable morphology during the SVA process, which is associated with lower oxygen content films. © 2014 Wiley Periodicals, Inc. J. Polym. Sci., Part B: Polym. Phys. 2014
    Journal of Polymer Science Part B Polymer Physics 10/2014;
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    ABSTRACT: Star copolymers have attracted significant interest due to their different characteristics compared with diblock copolymers, including higher critical micelle concentration, lower viscosity, unique spatial shape, or morphologies. Development of synthetic skills such as anionic polymerization and controlled radical polymerization have made it possible to make diverse architectures of polymers. Depending on the molecular architecture of the copolymer, numerous morphologies are possible, for instance, Archimedean tiling patterns and cylindrical microdomains at symmetric volume fraction for miktoarm star copolymers as well as asymmetric lamellar microdomains for star-shaped copolymers, which have not been reported for linear block copolymers. In this review, we focus on morphologies and microphase separations of miktoarm (AmBn and ABC miktoarm) star copolymers and star-shaped [(A-b-B)n] copolymers with nonlinear architecture. © 2014 Wiley Periodicals, Inc. J. Polym. Sci., Part B: Polym. Phys. 2014
    Journal of Polymer Science Part B Polymer Physics 10/2014;
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    ABSTRACT: A microhomogenization/macrohomogenization procedure is proposed to compute the mechanical and swelling behavior of ionomer (Nafion) membranes for fuel cells under external compression loads. The membrane is viewed as a periodic porous media composed of a charged solid phase saturated by an aqueous electrolyte solution. We establish the equation of state in a single membrane pore based on a rigorous treatment of thermodynamic, electrostatic (Poisson–Boltzmann equation) and of mechanical equilibrium. The homogenization technique is then applied to propagate the information available in the pore-scale model to the macroscale. Numerical experiments are performed to illustrate the results in a cylindrical pore geometry. The results show that the swelling pressure can be approximated by the osmotic pressure, which depends on the charge density at the pore walls and the pore radius. The model predicts the water content of liquid equilibrated membrane under various compression loads and the results are consistent with literature data. © 2014 Wiley Periodicals, Inc. J. Polym. Sci., Part B: Polym. Phys. 2014
    Journal of Polymer Science Part B Polymer Physics 09/2014;
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    ABSTRACT: Different water environments in poly(N-isopropyl acrylamide) (PNIPAAm) hydrogels are identified and characterized using 1H high resolution magic angle spinning (HRMAS) nuclear magnetic resonance (NMR). Local water environments corresponding to a “free” highly mobile species, along with waters showing restricted dynamics are resolved in these swollen hydro-gels. For photo-initiated polymerized PNIPAAm gels, an additional entrapped water species is observed. Spin–spin R2 relaxation experiments support the argument of reduced mobility in the restricted and entrapped water species. By combining pulse field gradient techniques with HRMAS NMR it is possible to directly measure the self-diffusion rate for these different water environments. The behavior of the heterogeneous water environments through the lower critical solution temperature transition is described. © 2014 Wiley Periodicals, Inc. J. Polym. Sci., Part B: Polym. Phys. 2014
    Journal of Polymer Science Part B Polymer Physics 09/2014;
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    ABSTRACT: Free poly(L-lactic acid) (PLLA) sheaves and spherulites were prepared by thermally induced phase separation method from its tetrahydrofuran solution without the assistance of other additives. The effects of variables such as polymer concentration, quenching temperature and time on the morphology of PLLA spherulites were studied. The morphology, size, degree of crystallinity, and crystal structure of spherulites were characterized by SEM, DSC and XRD, and so forth. No obvious sheaves or spherulites were observed at quenching temperature of 8 and 0 °C, whereas sheaves composed of fluffy nanofibers with diameter of about 250 nm were formed at quenching temperature range of −10 to −40 °C. With increasing quenching time, the PLLA morphology changed from small sheaves to big sheaves (cauliflower-like) to spherulites. Low concentration (3 and 5 wt %) solutions were favorable for the formation of sheaves, whereas high concentration (7 wt %) solution as good for the formation of spherulites. The mechanism for the formation of PLLA sheaves or spherulites was examined by the isothermal and nonisothermal crystallization of PLLA/tetrahydrofuran solutions using DSC. The Avrami equation was used to analyze the data and good linear double-logarithmic plots were obtained. The Avrami exponent n and rate constant K indicated the crystal growth mechanism was intermediate between completely instantaneous and completely sporadic types of nucleation and growth, and the spherulites were there dimensional. Compared to the spherulites embedded in the bulky film obtained from the melt processing, this study provided a feasible technique for the fabrication of free PLLA spherulites. The PLLA spherulites composed of fluffy nanofibers with a high porosity (≥90%) may be potentially applied as functional materials such as catalyst support, adsorption and biomedical materials, and so forth. © 2014 Wiley Periodicals, Inc. J. Polym. Sci., Part B: Polym. Phys. 2014
    Journal of Polymer Science Part B Polymer Physics 09/2014;
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    ABSTRACT: The macrostructures of synthetic polymers are essentially the complete molecular chain architectures, including the types and amounts of constituent short-range microstructures, such as the regio- and stereosequences of the inserted monomers, the amounts and sequences of monomers found in co-, ter-, and tetra-polymers, branching, inadvertent, and otherwise, etc. Currently, the best method for characterizing polymer microstructures uses high field, high resolution 13C-nuclear magnetic resonance (NMR) spectroscopy observed in solution. However, even 13C-NMR is incapable of determining the locations or positions of resident polymer microstructures, which are required to elucidate their complete macrostructures. The sequences of amino acid residues in proteins, or their primary structures, cannot be characterized by NMR or other short-range spectroscopic methods, but only by decoding the DNA used in their syntheses or, if available, X-ray analysis of their single crystals. Similarly, there are currently no experimental means to determine the sequences or locations of constituent microstructures along the chains of synthetic macromolecules. Thus, we are presently unable to determine their macrostructures. As protein tertiary and quaternary structures and their resulting ultimate functions are determined by their primary sequence of amino acids, so too are the behaviors and properties of synthetic polymers critically dependent on their macrostructures. We seek to raise the consciousness of both synthetic and physical polymer scientists and engineers to the importance of characterizing polymer macrostructures when attempting to develop structure–property relations. To help achieve this task, we suggest using the electrical birefringence or Kerr effects observed in their dilute solutions. The molar Kerr constants of polymer solutes contributing to the birefringence of their solutions, under the application of a strong electric field, are highly sensitive to both the types and locations of their constituent microstructures. As a consequence, we may begin to characterize the macrostructures of synthetic polymers by means of the Kerr effect. To simplify implementation of the Kerr effect to characterize polymer macrostructures, we suggest that NMR first be used to determine the types and amounts of constituent microstructures present. Subsequent comparison of observed Kerr effects with those predicted for different microstructural locations along the polymer chains can then be used to identify the most likely macrostructures. © 2014 Wiley Periodicals, Inc. J. Polym. Sci., Part B: Polym. Phys. 2014
    Journal of Polymer Science Part B Polymer Physics 09/2014;
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    ABSTRACT: The suitability of the Guggenheim–Anderson–De Boer (GAB) model for the parameterization of gas sorption isotherms and their dependences on temperature is explored. The GAB model implies that molecules adsorb on inner surfaces of the polymer in multilayers, which contrasts with the assumptions of the classical Dual Mode Sorption (DMS) model which implies the simultaneous occurrence of Henry-like dissolution and Langmuir's case I adsorption. The GAB model shows similar efficacy of the parameterization of the gas sorption isotherms in polymers as the DMS model. The isosteric heat of adsorption shows clear dependence on relative surface coverage for carbon dioxide sorption in cellulose acetate, polyethylene terephthalate, and the first polymer of intrinsic microporosity (PIM-1), thus allowing for the occurrence of adsorption multilayers. © 2014 Wiley Periodicals, Inc. J. Polym. Sci., Part B: Polym. Phys. 2014
    Journal of Polymer Science Part B Polymer Physics 09/2014;