EVALUATION OF ECONOMICAL AND ENVIRONMENTAL ASPECTS OF SILVER MEDIATED ISOCYANATE SYNTHESIS


Çaylı G., Güler M.

2nd International Canadian Scientific Research Congress, Toronto, Kanada, 24 - 25 Ekim 2024, cilt.1, sa.1, ss.1, (Tam Metin Bildiri)

  • Yayın Türü: Bildiri / Tam Metin Bildiri
  • Cilt numarası: 1
  • Basıldığı Şehir: Toronto
  • Basıldığı Ülke: Kanada
  • Sayfa Sayıları: ss.1
  • İstanbul Üniversitesi-Cerrahpaşa Adresli: Evet

Özet

One of the polymeric materials that has the greatest degree of versatility is polyurethane. Diols and diisocyanates are the reactants that are responsible for their production. It is possible to synthesize a wide variety of diols, also known as polyols, depending on the materials that are used as starting materials. When discussing bio-based polyurethenes, it is understood that the polyol component of these polyurethenes is bio-based. Because of the limitations imposed by the synthetic techniques, there are only a few producers and a few types of diisocyanates that are considered to be available for industrial use. The niration reaction of petroleum-based intermediates is the first step in a typical commercial synthesis in which the reaction begins. The synthesis of isocyanates involves the utilization of fosgene molecule, which occurs after the reduction of those nitro intermediates. Each and every step is beneficial to both the health of humans and the environment. Therefore, it is necessary to pay additional attention and precision throughout the entire operation. In this work, a comparison is made between the usual method of isocyanate synthesis and the manufacture of isocyanates beginning with bio-based materials and silver isocyanate. In addition, the evaluation of this new isocyanate approach takes into consideration both the economic and environmental aspects of the investigation. Despite the fact that the initial operational investment cost is larger than that of other ways, it has been discovered that these expenses can be greatly decreased over the course of the long term. When the influence on the environment is taken into consideration, the new synthesis technique appears to be more environmentally benign.