American Journal of Polymer Science and Technology

Archive

Volume 5, Issue 2, June 2019

  • Investigation of the Dependence of Thickness and Roughness of TiO2 Thin Films Fabricated Using Pulsed Laser Deposition on the Laser Energy

    Ahmed Mohamed Salih, Nafie Abdallatief Almuslet, Abdelmoneim Mohamed Awadelgied

    Issue: Volume 5, Issue 2, June 2019
    Pages: 35-39
    Received: 2 March 2019
    Accepted: 8 April 2019
    Published: 15 May 2019
    DOI: 10.11648/j.ajpst.20190502.11
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    Abstract: In this work Titanium Dioxide thin films were successfully deposited on glass substrates at room temperature by pulsed laser deposition technique (PLD) using a Q-switch Nd: YAG laser to fabricate thin films. The target was an Anatase TiO2 powder that converted to solid disks by compressing it. The disks were irradiated with different laser pulse en... Show More
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  • Release Behavior of Bovine Serum Albumin Loaded on Hydrogels of Natural Polymer Blend Poly (Vinyl Alcohol) and Analyze Their Compositions

    Roua'a Kassim Al-Ojar, Fawzi Habeeb Jabrail

    Issue: Volume 5, Issue 2, June 2019
    Pages: 40-54
    Received: 16 March 2019
    Accepted: 26 April 2019
    Published: 4 June 2019
    DOI: 10.11648/j.ajpst.20190502.12
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    Abstract: Amylopectin AP, shellac SH, starch ST and ethyl cellulose EC, the natural polymers of multi functional groups have been blended with poly (vinyl alcohol). The new hydrogels were cross-linked chemically and physically using glutaraldehyde and sodium hexametaphosphate respectively. The prepared hydrogels and according to their different functional gr... Show More
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  • Synthesis of Poly(Acrylamide-Graft-Chitosan) Hydrogel: Optimization of The Grafting Parameters and Swelling Studies

    Ahmed Galal Ibrahim, Ahmed Zaky Sayed, Hamada Abd El-Wahab, Mahmoud Mohamed Sayah

    Issue: Volume 5, Issue 2, June 2019
    Pages: 55-62
    Received: 4 April 2019
    Accepted: 30 May 2019
    Published: 18 June 2019
    DOI: 10.11648/j.ajpst.20190502.13
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    Abstract: Hydrogel polymers were prepared via graft polymerization of acrylamide (AAm) onto chitosan (CTS) backbone in the presence of methylene bisacrylamide (MBA) as cross-linker and ammonium persulfate (APS) as an initiator. Optimizing the crosslinking graft reaction of AAm onto CTS was studied by varying the concentration of CTS and MBA cross-linker and ... Show More
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  • Preparation and Research of Hydrophilic Polyurethane Modified by Folate-Lactose

    Liudmyla Kulyk, Iryna Gladyr, Rita Rozhnova, Dmytro Kuliesh, Nataliia Galatenko, Larisa Narazhaiko

    Issue: Volume 5, Issue 2, June 2019
    Pages: 63-72
    Received: 21 May 2019
    Accepted: 26 June 2019
    Published: 9 July 2019
    DOI: 10.11648/j.ajpst.20190502.14
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    Abstract: The biological active polyurethane (PU) based on diisocyanate prepolymer and folate-lactose (FL) was synthesized. Physical, mechanical and thermophysical properties of polymeric films were investigated. It was found that the value of the strength at break and elongation of PU with FL are higher by 83% and 22% than the corresponding physical and mec... Show More
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