Synthesis of a novel polyester plasticizer based on glyceryl
The polyester plasticizer was characterized by gel permeation chromatography, 1 H-nuclear magnetic resonance, and Fourier-transform infrared spectroscopy. The plasticizing effect of PGAGMO on PVC was investigated. The melting behavior, thermal properties, and mechanical properties of PVC blends were studied.
The synthesis of polyester plasticizer and its application in PVC
The polyester plasticizer was synthesized by melt condensation and used as auxiliary plasticizer for the preparation of polyvinyl chloride (PVC) to reduce the migration of dioctyl phthalate...
Synthesis of a novel polyester plasticizer based on glyceryl
The polyester plasticizer was characterized by gel permeation chromatography, 1H-nuclear magnetic resonance, and Fourier-transform infrared spectroscopy. The plasticizing effect of PGAGMO on...
Structure Design, Performance Simulation and Plasticizing
Plasticizer is an important assistant in the production process of polyvinyl chloride (PVC), which can effectively improve the plasticity of PVC. However, the durability and plasticizing effect of traditional phthalate plasticizers need to be further improved.
Synthesis of a novel polyester plasticizer based on glyceryl
The results showed that the PGAGMO could improve the thermal stability and reduce the glass transition temperature of PVC blends; when phthalates were substituted by PGAGMO in PVC blends, the thermal degradation temperature of PVC blends increased from 251.1°C to 262.7°C, the glass transaction temperature decreased from 49.1°C to 40.2°C
- What is polymerization of polyester?
- Polymerization is the process by which polyester is manufactured from the main ingredient of ethylene. Polyester is produced by polymerizing ethylene glycol with terephthalic acid (PTA) or dimethyl terephthalate (DMT), forming PET polymer chains..
- Could bio-based polymeric plasticizers expand the application range of plasticized poly (vinyl chloride) materials?
- The use of bio-based polymeric plasticizers could expand the application range of plasticized poly (vinyl chloride) (PVC) materials.
- What are the two types of polymerization in polyester synthesis?
- Polyester synthesis is classified into two major polymerization modes; (A) ring-opening polymerization in two sub-divisions (1) and (2), and (B) condensation polymerization (polycondensation) between a carboxyl group and an alcohol group in two subdivisions (3) and (4) ( Scheme 2 ). All polymerizations are catalyzed by lipase, a hydrolysis enzyme.
- Is polyester synthesis a lipase-catalyzed polymerization?
- Polyester synthesis is, therefore, a reaction in reverse way of in vivo lipase catalysis of ester bond-cleavage with hydrolysis. The lipase-catalyzed polymerizations show very high chemo-, regio-, and enantio-selectivities and involve various advantageous characteristics.
- Is poly glyceryl monooleate a bio-based plasticizer?
- In this study, a novel bio-based polyester plasticizer, poly (glutaric acid-glyceryl monooleate) (PGAGMO), was synthesized from glutaric acid and glyceryl monooleate via a direct esterification and polycondensation route.
- Does pgagmo plasticize PVC?
- The polyester plasticizer was characterized by gel permeation chromatography, 1 H-nuclear magnetic resonance, and Fourier-transform infrared spectroscopy. The plasticizing effect of PGAGMO on PVC was investigated. The melting behavior, thermal properties, and mechanical properties of PVC blends were studied.
