Effect of diisodecyl adipate concentration in hybrid films applied to tinplate | Zendy

Sandra Raquel Kunst | Zendy; Lílian Vanessa Rossa Beltrami | Zendy; Marielen Longhy | Zendy; Henrique Ribeiro Piaggio Cardoso | Zendy; Tiago Lemos Menezes | Zendy; de Célia | Zendy

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Effect of diisodecyl adipate concentration in hybrid films applied to tinplate

Author(s) -

Sandra Raquel Kunst,

Lílian Vanessa Rossa Beltrami,

Marielen Longhy,

Henrique Ribeiro Piaggio Cardoso,

Tiago Lemos Menezes,

de Célia

Publication year - 2016

Publication title -

chemical industry and chemical engineering quarterly

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.189

H-Index - 26

eISSN - 2217-7434

pISSN - 1451-9372

DOI - 10.2298/ciceq150725013k

Subject(s) - plasticizer , materials science , adipate , scanning electron microscope , cerium nitrate , chemical engineering , dielectric spectroscopy , alkoxide , sol gel , electrochemistry , composite material , polymer chemistry , cerium , nanotechnology , organic chemistry , chemistry , electrode , metallurgy , engineering , catalysis

Siloxane hybrid films are fragile and have low mechanical strength due to their vitreous material properties. Hence, a new formulation incorporating a plasticizer agent was developed in order to increase the layer thickness of a uniform and homogeneous hybrid film on tinplate, and to provide flexibility to the polymeric matrix. Tinplate sheets were coated with a hybrid film obtained from a sol-gel process, constituted by t+he addition of the following alkoxide precursors: 3-(trimethoxysilyl) propyl methacrylate and tetraethoxysilane with 0.01 mol L-1 cerium nitrate addition. The influence of the diisodecyl adipate plasticizer con-centration was evaluated. The films were characterized by scanning electron microscopy, profilometry, open circuit potential monitoring, polarization curves and electrochemical impedance spectroscopy. The results showed that all films with diisodecyl adipate had higher electrochemical performance compared to uncoated tinplate. However, the film with the 2% plasticizer concentrations had the best performance in the electrochemical tests, although it had thinner layer

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