Search Results - "Reiter, Günter"
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Mechanism for the Formation of Millimeter-Long Solid Filaments by Spin Coating Dilute Solutions of a Crystallizable Polymer
Published in Macromolecules (23-04-2024)“…We have investigated the formation of millimeter-long filaments induced by spin-coating ca. 130 °C dilute para-xylene solutions of rapidly crystallizable…”
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Competing Influences of Cooling Rate and Diluent Concentration on Crystallization of Poly(3-hexylthiophene)
Published in Journal of physical chemistry. C (21-03-2024)“…Crystallization of poly(3-hexylthiophene) (P3HT) was studied in mixtures with different concentrations of 3-hexylthiophene (3HT) as a diluent. Two coexisting…”
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3
Formation of Stacked Three-Dimensional Polymer “Single Crystals”
Published in Macromolecules (25-05-2021)“…Stacks of crystalline lamellae all having a uniquely oriented hexagonal shape, referred to as “3D (three-dimensional) single crystals”, were obtained via…”
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4
Processing Pathways Decide Polymer Properties at the Molecular Level
Published in Macromolecules (08-10-2019)“…Conditions of rapid processing often drive polymers to adopt nonequilibrium molecular conformations, which, in turn, can give rise to structural, dynamical,…”
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5
Formation of Periodically Modulated Polymer Crystals
Published in Macromolecules (14-08-2018)“…We report novel morphologies with periodic height modulations of isotactic polystyrene (iPS) crystals, resulting from alternating stacks of correlated…”
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6
Transient Cooperative Processes in Dewetting Polymer Melts
Published in Physical review letters (26-02-2016)“…We compare the high velocity dewetting behavior, at elevated temperatures, of atactic polystyrene (aPS) and isotactic polystyrene (iPS) films, with the zero…”
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7
The memory of thin polymer films generated by spin coating
Published in The European physical journal. E, Soft matter and biological physics (2022)“…We present results from isothermal and temperature-sweep creep experiments adapted to filaments which were derived from spin coated and subsequently crumpled…”
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8
Identifying a Mesomorphic Boundary Zone within Polybutene‑1 Single Crystals Emerging During a Crystal–Crystal Transformation
Published in Macromolecules (11-07-2023)“…We present experimental evidence that the transformation from one solid phase to another solid phase within a faceted polymer single crystal passes through a…”
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9
How Chain-Folding Crystal Growth Determines the Thermodynamic Stability of Polymer Crystals
Published in The journal of physical chemistry. B (28-01-2016)“…Chain-folding is a habit of polymer crystallization, which yields limited lamellar thickness of polymer crystals and thus determines their thermodynamic…”
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10
Segmental Rearrangements Relax Stresses in Nonequilibrated Polymer Films
Published in ACS macro letters (18-06-2019)“…We probed the relaxation of preparation-induced residual stresses in nonequilibrated polymer films through dewetting experiments. While we observed fast…”
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11
Triple-Shape Memory Materials via Thermoresponsive Behavior of Nanocrystalline Non-Isocyanate Polyhydroxyurethanes
Published in Macromolecules (09-05-2017)“…Crystallization of long n-alkyl side chains within the confined environment of nonisocyanate polyhydroxyurethane (PHU) networks renders PHUs thermoresponsive,…”
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12
Determining Entanglement Molar Mass of Glassy Polyphenylenes Using Mechanochromic Molecular Springs
Published in ACS macro letters (21-06-2022)“…Molecular force transduction in tough and glassy poly(meta,meta,para-phenylene) (PmmpP) was investigated as a function of M n using covalently incorporated…”
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13
Formation of Needle-like Poly(3-hexylthiophene) Crystals from Metastable Solutions
Published in Macromolecules (13-10-2020)“…We investigated the formation of crystalline structures of conjugated poly(3-hexylthiophene) (P3HT) from supersaturated solutions. To this end, we induced…”
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14
Growth Kinetics of Stacks of Lamellar Polymer Crystals
Published in Macromolecules (13-11-2018)“…Most theoretical concepts of polymer crystallization have evolved around monolamellar single crystals as model systems. However, such approaches do not account…”
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15
Estimation of the Size of Critical Secondary Nuclei of Melt-Grown Poly(l‑lactide) Lamellar Crystals
Published in Macromolecules (12-05-2020)“…Recently, we proposed a simple method to derive the size of critical secondary nuclei formed on the growth front of lamellar crystals via the nucleation…”
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16
Determination of the Critical Size of Secondary Nuclei on the Lateral Growth Front of Lamellar Polymer Crystals
Published in Macromolecules (08-10-2019)“…Nucleation is the rate-limiting first step of crystallization. The energy barrier related to form the critical nucleus predominantly affects the nucleation…”
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17
Primary Nucleation in Metastable Solutions of Poly(3-hexylthiophene)
Published in Macromolecules (26-04-2022)“…Because of its smallness and low probability of formation, the determination of the size of the critical primary nucleus represents a great challenge in…”
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18
Thermodynamic Features of Perfectly Crystalline Poly(3-hexylthiophene) Revealed through Studies of Imperfect Crystals
Published in Macromolecules (26-03-2019)“…A reliable value for the enthalpy of fusion of a perfect poly(3-hexylthiophene) (P3HT) crystal (ΔH m °) is still in doubt. In the published works, ΔH m °…”
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19
Controlling Nucleation in Quasi-Two-Dimensional Langmuir Poly(l‑lactide) Films through Variation of the Rate of Compression
Published in Langmuir (07-05-2019)“…We studied morphological changes in a quasi-two-dimensional Langmuir film of low molar mass poly(l-lactide) upon increasing the surface density, starting from…”
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Relation Between Charge Transport and the Number of Interconnected Lamellar Poly(3-Hexylthiophene) Crystals
Published in Macromolecules (27-08-2019)“…We have investigated the lateral charge transport in a multilamellar network of crystalline structures of poly(3-hexylthiophene) (P3HT) embedded in a matrix…”
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