Synthesis and application of natural polymeric plasticizer obtained through polyesterification of rice fatty acid

Abstract

This study includes the synthesis of a new natural plasticizer obtained through esterification reaction of rice fatty acid and polyols, its physicochemical characterization and its preliminary application in polyvinyl chloride (PVC). Monopropylene glycol, octanol and diethylene glycol were used as polyols for esterification reaction. Catalyst Fascat ® 4100, was also added. Viscosity, acidity and hydroxyl index, moisture content, molar mass, chemical composition (by FTIR) and color were determined to characterize the natural plasticizer synthesized. The results were compared with a commercial plasticizer (DOA: di-octyl adipate) derived from petrochemical source and synthesized in laboratory. According to the results, except from color, the natural plasticizer presented similar properties of commercially available plasticizers, such as DOA. Mechanical tests indicated that the addition of the natural plasticizer to PVC films resulted in a significant increase on its elongation at break (371.2%) compared to pure PVC film, indicating a possible application for this plasticizer.

Synthesis and application of a novel environmental plasticizer based on cardanol for poly(vinyl chloride)

“…As the plastic industry continuously grows, the demand for plasticizers goes in the same direction [1] . It is well known that the most common plasticized polymer is PVC, and its processing consume over 80% of plasticizer production [4,5] . Furthermore, during the last decade, phthalates constitute more than 85% of the total plasticizer consumption of the PVC processing [5] .…”

“…It is well known that the most common plasticized polymer is PVC, and its processing consume over 80% of plasticizer production [4,5] . Furthermore, during the last decade, phthalates constitute more than 85% of the total plasticizer consumption of the PVC processing [5] . However, with the ever-increasing enhancement of environmental protection and health safety requirement, to limit * Correspondence to: Department of Bioresource Chemistry, Institute of Chemical Industry of Forestry Products, Chinese Academy of Forestry, Nanjing, Jiangsu 210042, China.…”

Kinetics, mass transfer, and thermodynamic and statistical modeling study for esterification of valeric acid with n‐butanol: Homogeneous and heterogeneous catalysis

“…Esters are valuable and provide useful applications as flavor and fragrance compounds in cosmetics, beverages, food, coating, and adhesive industries . Esters also have diversified application as solvents and intermediates, plasticizers used in polymer industries, medicinal agents, and in drug delivery . The catalysts used for the synthesis of esters are either homogeneous or heterogeneous.…”

Sustainable synthesis of bio‐based hyperbranched ester and its application for preparing soft polyvinyl chloride materials

“…On the other hand, when plasticizers enter the environment and human body from PVC products this will pollute the environment and cause human disease . In order to solve the problem, many kinds of alternative plasticizers have been reported such as natural polymeric plasticizer obtained through polyesterification of rice fatty acid, oligomeric isosorbide esters, ionic liquid [bmim]PF 6 and [hmim]PF 6 , epoxidized rice bran oil, epoxidized safflower oil, epoxidized neem oil, polymeric plasticizer from polyethylene terephthalate waste and chlorinated phosphate ester based on castor oil . Choi et al .…”