Zobrazeno 1 - 10
of 89
pro vyhledávání: '"shervin ahmadi"'
Publikováno v:
Iranian Journal of Materials Science and Engineering, Vol 20, Iss 4, Pp 44-51 (2023)
Two-dimensional molybdenum disulfide (MoS2) is used as a promising flame retardant and smoke suppressant nano additive in polymer composites due to its high thermal stability and layered structure. In this study, thermoplastic polyurethane (TPU) was
Externí odkaz:
https://doaj.org/article/8e3dfde50d764e7480c5cf296373dc72
Publikováno v:
Polyolefins Journal, Vol 9, Iss 2, Pp 73-83 (2022)
Researchers have studied the possibility of various polymer composites for radiation shielding applications. Lightness and non-toxicity of these materials are their significant advantages compared to Pb base traditional and common shields. In this re
Externí odkaz:
https://doaj.org/article/bd20e26d74f34c1881f6e8caabd9a0f2
Publikováno v:
علوم و تکنولوژی پلیمر, Vol 36, Iss 1 (2023)
Hypothesis: The aim of this research is to improve the fire behavior of thermoplastic polyurethane (TPU) using an intumescent flame retardant system (IFR) and nanosilica as a synergistic agent Methods: A three-component IFR system consisting of ammon
Externí odkaz:
https://doaj.org/article/97efbafa86a24182a82aaf0c7e39edba
Publikováno v:
Journal of Particle Science and Technology, Vol 8, Iss 1, Pp 25-37 (2022)
The PA6/clay nanocomposites were prepared during in-situ anionic ring-opening polymerization (AROP) via reactive melt blending in a Hakke internal mixer. Then, the samples were characterized using FT-IR, DSC, DMTA, rheometer, XRD, SEM/EDX/elemental m
Externí odkaz:
https://doaj.org/article/829e85735f77493f8687fa624def6749
Publikováno v:
Baspārish, Vol 11, Iss 4, Pp 3-15 (2022)
Blending of polymers is one of the useful methods for developing polymeric materials with improved properties or creating special properties in polymers. The mixture of some polymers is completely or partially miscible, but the mixture of many polyme
Externí odkaz:
https://doaj.org/article/44bfcbd627f54fb19ecbf421e356c064
Publikováno v:
علوم و تکنولوژی پلیمر, Vol 33, Iss 1, Pp 41-49 (2020)
Hypothesis: Thermoplastic polyurethane elastomers are generally synthesized by one of the methods of one-shot, pre-polymer and semi pre-polymer. In the preparation of polyurethanes by these methods the viscosity is increased as the reaction progresse
Externí odkaz:
https://doaj.org/article/17a59f4b0ebf42b4917e12ed0deb3367
Publikováno v:
Polymer Testing, Vol 93, Iss , Pp 106930- (2021)
Various morphologies of PA6/PC/PP/PP-MAH ternary blends including isolated, stack, and core-shell particles detected by FESEM micrographs are designed by the change of the PP-MAH/PP ratio. To quantify the population of structures, shell thickness, an
Externí odkaz:
https://doaj.org/article/fdc1754ba0f54471960c270f4f2718f2
Autor:
Arezoo Ebrahimi, Maryam Zabihzadeh Khajavi, Amir M. Mortazavian, Hassan Asilian-Mahabadi, Shahin Rafiee, Mehdi Farhoodi, Shervin Ahmadi
Publikováno v:
Polymer Testing, Vol 93, Iss , Pp 106934- (2021)
Potassium permanganate (KMnO4) is a dominant ethylene (C2H4)-scavenger extensively used in fresh horticultural commodities, mainly in climacteric fruit, to prolong their shelf life. This material has been traditionally utilized as a C2H4-permeable sa
Externí odkaz:
https://doaj.org/article/792cdc7df3e649d5af43e3b8caf59d27
Publikováno v:
Journal of Particle Science and Technology, Vol 3, Iss 1, Pp 13-24 (2017)
Shielding radiation from both x-rays and gamma-rays is important for personnel in medical fields e.g. interventional radiology, nuclear power stations, and other inspection facilities where radiation is involved. Lead is known for its effective shiel
Externí odkaz:
https://doaj.org/article/33b6aca67dba45be899184abc921382c
Publikováno v:
Polyolefins Journal, Vol 4, Iss 1, Pp 137-147 (2016)
In this research, high oxygen-barrier films were organized based on low-density polyethylene (LDPE)/ ethylene vinyl alcohol (EVOH)/ polyethylene-grafted maleic anhydride (LDPE-g-MA) compatibilizer. The effects of 10–30 wt. % EVOH and 0–10 wt. % L
Externí odkaz:
https://doaj.org/article/584496a5534f401c9b565b76071dede5