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562 Aktuelle Fachpublikationen in Advances in Polymer Technology

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Solid‐state foaming of epoxy resin under hypergravity and simulated microgravity

17.01.2018 | Fabrizio Quadrini, Giovanni Matteo Tedde, Loredana Santo, Jack J.W.A. Loon, Advances in Polymer Technology, 2018

Abstract Solid‐state foaming of epoxy resins has been performed under simulated microgravity by the random positioning machine (RPM) and under hypergravity by the large diameter centrifuge (LDC). More than 50 tests have been performed in static and dynamic conditions in different experimental ...

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Solid‐state foaming of epoxy resin under hypergravity and simulated microgravity

17.01.2018 | Fabrizio Quadrini, Giovanni Matteo Tedde, Loredana Santo, Jack J.W.A. Loon, Advances in Polymer Technology, 2018

Abstract Solid‐state foaming of epoxy resins has been performed under simulated microgravity by the random positioning machine (RPM) and under hypergravity by the large diameter centrifuge (LDC). More than 50 tests have been performed in static and dynamic conditions in different experimental ...

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Effects of monomer length on α‐olefins polymerization using a conventional Ziegler–Natta catalyst

15.01.2018 | Sedigheh Shirbakht, Seyed Amin Mirmohammadi, Khadijeh Didehban, Samaheh Sadjadi, Naeimeh Bahri‐Laleh, Advances in Polymer Technology, 2018

Abstract α‐Olefin monomers with different lengths from C4 to C10 were polymerized via a conventional Ziegler–Natta catalyst. It was found that activity of the catalyst decreases with increase in the monomer length as well as introduction of external donor. GPC results exhibited a steady ...

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Graphene oxide, an effective nanoadditive for a development of hollow fiber nanocomposite membrane with antifouling properties

15.01.2018 | Javed Alam, Arun Kumar Shukla, Mansour Alhoshan, Lawrence Arockiasamy Dass, Muthu Ramamoorthy Muthumareeswaran, Asla ..., Advances in Polymer Technology, 2018

Abstract A series of hollow fiber (HF) membranes made from nanocomposites of polyethersulfone (PES) and graphene oxide (GO) at GO concentrations of 0.2%, 0.5%, and 1.0% were prepared by the dry–wet spinning process. The structure and the properties of as‐prepared HF membranes were ...

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Sorption behavior of methylene blue and rhodamine B mixed dyes onto chitosan graft poly (acrylic acid‐co‐2‐acrylamide‐2‐methyl propane sulfonic acid) hydrogel

02.01.2018 | Yaoji Tang, Tengteng He, Yangwenyi Liu, Bin Zhou, Rui Yang, Linhui Zhu, Advances in Polymer Technology, 2018

Abstract Chitosan graft poly(acrylic acid‐co‐2‐acrylamide‐2‐methyl propane sulfonic acid) (CTS‐g‐P(AA‐co‐AMPS)) hydrogel is prepared and used to remove methylene blue (MB) and rhodamine B (RB) mixed dyes from aqueous solutions. The effect of adsorption conditions, including the initial ...

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Prediction of part geometry‐dependent weld line strength in unreinforced polycarbonate

02.01.2018 | Christian Hopmann, Jakob Onken, Advances in Polymer Technology, 2018

Abstract To predict the mechanical properties of weld lines in injection‐molded unreinforced amorphous plastics parts, an integrative calculation chain has been developed. Weld lines created by different flow obstacle geometries were characterized through mechanical testing. A strong ...

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Effects of composition and temperature of initial mixture on the formation and properties of polyurethane foam

28.12.2017 | İ. Bedii Özdemir, Fırat Akar, Advances in Polymer Technology, 2017

Abstract The purpose of the study is to optimize the initial conditions of the molding process of a multicomponent mixture into a refrigerator cabinet. Polyurethane foaming has been studied with different starting compositions and temperatures of the initial mixture. The kinetic mechanism has ...

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Thermal, mechanical properties and morphology of epoxy resins modified with light pyrolysis natural rubber

26.12.2017 | Xinyu Zhao, Shifeng Wang, Advances in Polymer Technology, 2017

Abstract Instead of using traditional functional liquid rubbers in toughening epoxy, light pyrolysis natural rubber (LPNR) obtained from scrap rubber was introduced to improve the toughness of cured epoxy resins. Epoxy blends were prepared by physically mixing the epoxy resins with various ...

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Polylactic acid–agave fiber biocomposites produced by rotational molding: A comparative study with compression molding

26.12.2017 | Erick Omar Cisneros‐López, Aida Alejandra Pérez‐Fonseca, Yolanda González‐García, Daniel Edén Ramírez‐Arreola, Rubén ..., Advances in Polymer Technology, 2017

Abstract In this work, the possibility to produce polylactic acid (PLA) and agave fiber biocomposites by dry‐blending and rotational molding was studied. The samples were also produced by compression molding to compare the effect of processing conditions on the biocomposites properties. In ...

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Preparation of hierarchical carbon nanotube–carbon fiber composites with coordination enhancement

26.12.2017 | Han Xue, Nuona A, Yinghong Xiao, Jianfei Che, Advances in Polymer Technology, 2017

Abstract Single‐walled carbon nanotubes–carbon fiber (SWNTs@CF) hierarchical fibers were prepared by electrophoretic deposition. To improve the interfacial strength between SWNTs and CF, a hexahapto‐metal complex, Cr(CO)6, was added to the electrophoretic system to prepare hierarchical fibers ...

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