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Co-Polymer Resin for Polyvinyl Acetate Modification with Hydroxylated Sesame Seed Oil for Potential Use in the Coating Industry

Author Affiliations

  • 1Department of Science Laboratory, Adamawa State College of Agriculture, Ganye, P.M.B 2088, Adamawa State, Nigeria
  • 2Department of Chemistry, Gombe State University, P.M.B 127, Tudun Wada, Gombe, Gombe State, Nigeria
  • 3Department of Chemistry, Modibbo Adama University, P.M.B 2076, Yola Adamawa State, Nigeria
  • 4Department of Science Laboratory, Adamawa State College of Agriculture, Ganye, P.M.B 2088, Adamawa State, Nigeria
  • 5Department of Chemistry, Modibbo Adama University, P.M.B 2076, Yola Adamawa State, Nigeria
  • 6Department of Basic Sciences, Adamawa State College of Agriculture, Ganye, P.M.B 2088, Adamawa State, Nigeria
  • 7Department of Chemistry, Modibbo Adama University, P.M.B 2076, Yola Adamawa State, Nigeria
  • 8Department of Chemistry, Modibbo Adama University, P.M.B 2076, Yola Adamawa State, Nigeria

Res.J.chem.sci., Volume 13, Issue (3), Pages 33-41, October,18 (2023)


Polymer is inevitably an essential part of human needs, naturally polymers can be found as cellulose, chitin, carbohydrate, nucleic acid, cotton, rubber, etc. which are of great importance to human being, such as food, cloth, shelter, transportation, and even for our well-being. IUPAC define polymer as substance composed of macromolecules. The use and manufacturing of environmentally friendly products are required due to the rising costs of products made from petroleum, those products' pose negative effects on the environment and government restrictions aimed at reducing ozone depletion. The aim of this research work is to develop a binder by blending hydroxylated sesame seed oil (HSSO) with polyvinyl acetate that can be used by the paint and coating industries. The study investigated the possibility of using hydroxylated oil to modify conventional polyvinyl acetate (PVA) to be utilized in the coatings industry. Extracting, epoxidizing, and hydroxylating sesame seed oil were done. Hydroxylated sesame seed oil (HSSO) was mixed with ordinary polyvinyl acetate in varying ratios (10 to 60% of hydroxylated oil) to create the HSSO/PVA copolymer binder. The different blend ratios are employed to ensure that none of the properties of the copolymer are compromised at the expense of another since polymers frequently have a molecular weight where each characteristic demonstrates its best value. A variety of composition ratios of the copolymer resin (HSSO/PVA) were studied for their significant physical characteristics. Investigated were physical characteristics such viscosity, density, turbidity, refractive index, gel time, moisture uptake, water solubility, and melting point. PVA and HSSO interacted chemically, according to FT-IR study of copolymer resin (HSSO/PVA). The blend of HSSO/PVA is soluble in water between 10 and 40%, and as the concentration of HSSO in the copolymer matrix increases, it is also observed that turbidity, moisture uptake, melting point, viscosity and density decrease. However, gel time and refractive index increase as HSSO concentration in the copolymer matrix increases. Improvements in flexibility, moisture absorption, and glossitivity—three significant drawbacks of traditional PVA—are revealed by the results. Moisture uptake, density, turbidity, viscosity, and melting point.


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