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335 research outcomes, page 1 of 34
  • publication . Article . 2012
    Open Access Persian
    Authors:
    Leila Sadat Ahmadi; Ahmad Reza Bahramian; Mehrdad Kokabi;
    Publisher: Iran Polymer and Petrochemical Institute

    Phase change materials (PCM) are substances with a high heat of fusion which, through melting and solidifying at certain temperatures, are capable to store or release a large amount of energy. This phenomenon can be utilized in designing heat protective materials as wel...

  • publication . Article . 2017
    Open Access Persian
    Authors:
    Sanazgoli Javanbakht Ghahfarokhi; Alireza Shakeri; Amir Zalnezhad;
    Publisher: Iran Polymer and Petrochemical Institute

    Because of wide applications of poly(ethylene oxide) (PEO) in various areas such as chemical, electrical and pharmaceutical industries, researchers have been focused to develop and improve the properties of this interesting polymer. To improve the mechanical and thermal...

  • publication . Article . 2017
    Open Access Persian
    Authors:
    Mohammad Reza Manafi; Pedram Manafi; Gholamreza Pircheraghi;
    Publisher: Iran Polymer and Petrochemical Institute

    Carbon nanotubes (CNTs) are a new class of nanomaterials that have gained special attention due to their unique properties such as excellent electrical and mechanical properties. Nanocomposite hydrogels, a novel category of hydrogels, have received great attention both ...

  • publication . Article . 2008
    Open Access Persian
    Authors:
    M.T. Azizi; F. Ganji; E. Vasheghani Farahani;
    Publisher: Iran Polymer and Petrochemical Institute

    Lactide was synthesized by reverse polymerization of low molecular weight poly(lactic acid) with two different molecular weights:1500 and 2500. Two different lactide purification processes such as: recrystallization in ethyl acetate and washing the crude lactide with et...

  • publication . Article . 2015
    Open Access Persian
    Authors:
    Khezrollah Khezri; Vahid Haddadi-Asl; Hossein Roghani-Mamaqani;
    Publisher: Iran Polymer and Petrochemical Institute

    Polystyrene/MCM–41 nanocomposites were synthesized by atom transfer radical polymerization (ATRP) at 110°C. Activators generated by electron transfer (AGET) and activators regenerated by electron transfer (ARGET), as two novel initiation techniques, for ATRP were used. ...

  • publication . Article . 2013
    Open Access Persian
    Authors:
    Hassan Arabi1; Matin Ghafari; Gholamhossein Zohuri; Saman Damavandi; Saeid Ahmadjo;
    Publisher: Iran Polymer and Petrochemical Institute

    The late transition metal catalysts based on end group of transition metals in the periodic table like Ni, Fe, Co, Pd, Pt were developed rapidly in polyolefin industrial productions. These metals with suitable ligands exhibited specific properties and appropriate activi...

  • publication . Article . 2008
    Open Access Persian
    Authors:
    M.M. Shokrieh; S.R. Atashipour;
    Publisher: Iran Polymer and Petrochemical Institute

    Vacuum assisted resin transfer molding, as a sub-branch of RTM is a method of manufacturing composite specimens. Considering the industrial development of this method, different modified techniques are designed to improve its performance. Among these techniques, using a...

  • publication . Article . 2015
    Open Access Persian
    Authors:
    Mohsen Khademian; Hossein Eisazadeh; Mohsen Ghorbani; Alireza Shakeri;
    Publisher: Iran Polymer and Petrochemical Institute

    Polyaniline (PANI) is one of the most interesting conducting polymers due to its low cost and easy availability of raw materials, easy synthesis, good environmental stability and controllable electrical conductivity and redox properties. In recent years it has been show...

  • publication . Article . 2017
    Open Access Persian
    Authors:
    Hamed Rikhtegar; Seyed Jamaleddin Peighambardoust; Abdolreza Mirmohseni;
    Publisher: Iran Polymer and Petrochemical Institute

    The progress in scientific and technical products and increasing needs for advanced electrical and electronic devices have motivated researchers to investigate new ideas in this field. One of the main challenges in this way is the connection between microchips and other...

  • publication . Article . 2016
    Open Access Persian
    Authors:
    Samaneh Rajabi; Mitra Tavakoli;
    Publisher: Iran Polymer and Petrochemical Institute

    Polymer materials have been increasingly accumulated in the environment and led to an interest in solving waste disposal problems through replacement of inert and non-biodegradable materials by biodegradable alternatives. A very high demand on low density polyethylene (...

335 research outcomes, page 1 of 34