Search Results - "ALTSTÄDT, Volker"
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Microcellular to nanocellular polymer foams: Progress (2004–2015) and future directions – A review
Published in European polymer journal (01-12-2015)“…[Display omitted] •There are no low-density-nanofoams but rather, progress made at best are still medium-density-nanofoams and were achieved without the use of…”
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Development of a Bead Foam from an Engineering Polymer with Addition of Chain Extender: Expanded Polybutylene Terephthalate
Published in Industrial & engineering chemistry research (19-12-2018)“…In this work, the development of a bead foam from the engineering polymer polybutylene terephthalate (PBT) in a continuous process is described. The polymer…”
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3
Foam 3D Printing of Thermoplastics: A Symbiosis of Additive Manufacturing and Foaming Technology
Published in Advanced science (01-04-2022)“…Due to their light‐weight and cost‐effectiveness, cellular thermoplastic foams are considered as important engineering materials. On the other hand, additive…”
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4
Spongy Gels by a Top‐Down Approach from Polymer Fibrous Sponges
Published in Angewandte Chemie International Edition (13-03-2017)“…Ultralight cellular sponges offer a unique set of properties. We show here that solvent uptake by these sponges results in new gel‐like materials, which we…”
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Rheological rationalization of in situ nanofibrillar structure development: Tailoring of nanohybrid shish-kebab superstructures of poly (lactic acid) crystalline phase
Published in Polymer (Guilford) (21-12-2020)“…The key rheological parameters for in situ development of poly (butylene terephthalate) nanofibrils (PBT NFs) in poly (lactic acid) (PLA) matrix using a tuned…”
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6
Lightweight Ultra-High-Barrier Liners for Helium and Hydrogen
Published in ACS nano (23-06-2020)“…Upcoming efficient air-borne wind energy concepts and communication technologies applying lighter-than-air platforms require high-performance barrier coatings,…”
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Flame Retardancy of Polymers: The Role of Specific Reactions in the Condensed Phase
Published in Macromolecular materials and engineering (01-01-2016)“…Condensed‐phase mechanisms play a major role in fire‐retardant polymers. Generations of development have followed the concept of charring to improve fire…”
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Chemical Modification and Foam Processing of Polylactide (PLA)
Published in Polymers (12-02-2019)“…Polylactide (PLA) is known as one of the most promising biopolymers as it is derived from renewable feedstock and can be biodegraded. During the last two…”
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Comparison of the Foamability of Linear and Long-Chain Branched Polypropylene-The Legend of Strain-Hardening as a Requirement for Good Foamability
Published in Polymers (24-03-2020)“…Polypropylene (PP) is an outstanding material for polymeric foams due to its favorable mechanical and chemical properties. However, its low melt strength and…”
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10
Degradation of low-density polyethylene to nanoplastic particles by accelerated weathering
Published in The Science of the total environment (20-06-2022)“…When plastics enter the environment, they are exposed to abiotic and biotic impacts, resulting in degradation and the formation of micro- and nanoplastic…”
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Preparation of pros-foam sheets and their epoxy foams using the solid-state carbamate-foaming technique
Published in Polymer (Guilford) (21-07-2022)“…The foaming of epoxy resin is a challenge process in optimizing the flow foaming and curing to obtain a homogeneous cellular structure. This study presents a…”
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Correlations of Geometry and Infill Degree of Extrusion Additively Manufactured 316L Stainless Steel Components
Published in Materials (09-09-2021)“…This study focuses on the effect of part geometry and infill degrees on effective mechanical properties of extrusion additively manufactured stainless steel…”
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Influence of Fiber Volume Content on Thermal Conductivity in Transverse and Fiber Direction of Carbon Fiber-Reinforced Epoxy Laminates
Published in Materials (02-04-2019)“…Thermal conductivity is an important material property for thermo-mechanical calculations, as mechanical properties strongly depend on the temperature and heat…”
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Rheological Study of Gelation and Crosslinking in Chemical Modified Polyamide 12 Using a Multiwave Technique
Published in Polymers (07-04-2020)“…When processing particular polymers, it may be necessary to increase the molecular weight, for example, during polymer recycling or foaming. Chemical additives…”
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Development of electroactive nanocomposites based on poly(vinylidene fluoride-hexafluoropropylene)/polycarbonate blends with improved dielectric, thermal, and mechanical properties
Published in Journal of polymer research (01-10-2022)“…Poly(vinylidene fluoride-hexafluoropropylene) (P(VDF-HFP)), as one of the best known piezoelectric polymers, offers unique properties which makes it material…”
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Fatigue Characteristics of Poly(ether‑b‑amide) Elastomers during Cyclic Dynamic Tests and the Underlying Microstructural Evolution
Published in Industrial & engineering chemistry research (12-10-2022)“…The dynamic fatigue behavior of the poly(ether-b-amide) (PEBA) elastomers was characterized by a combination of step increase load test (SILT), step increase…”
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Expanded Polycarbonate (EPC)-A New Generation of High-Temperature Engineering Bead Foams
Published in Polymers (10-10-2020)“…Bead foams serve in a wide variety of applications, from insulation and packaging to midsoles in shoes. However, the currently used materials are limited to…”
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The Impact of Janus Nanoparticles on the Compatibilization of Immiscible Polymer Blends under Technologically Relevant Conditions
Published in ACS nano (28-10-2014)“…Several hundred grams of Janus nanoparticles (d ≈ 40 nm) were synthesized from triblock terpolymers as compatibilizers for blending of technologically relevant…”
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Transparent PC/PMMA Blends Via Reactive Compatibilization in a Twin-Screw Extruder
Published in Polymers (12-12-2019)“…The effect of different catalysts on reactive compatibilization of 50/50 polycarbonate (PC)/polymethylmethacrylate (PMMA) blends achieved via…”
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Effect of chemical modification on the thermal and rheological properties of polylactide
Published in Polymer engineering and science (01-11-2017)“…Today PLA is one of the most important bioplastics on the market. A disadvantage of commercial polylactide is that it is not readily foamable, due to its low…”
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