Ajrina Nur Shabrina, Diba Grace Auliya, Risdiana, Lusi Safriani
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Large-scale synthesis of polydimethylsiloxane as vitreous replacement applications.
Polydimethylsiloxane (PDMS) is a polymer that can be used as a vitreous substitute. To fulfill the need for PDMS on a large scale, synthesis of PDMS in a large number is also needed. Therefore, intensive research is needed to produce PDMS in large quantities. This study reported that the result of the synthesis of PDMS on a scale three and five times larger than the lab-scale using a ring-opening polymerization method with octamethylcyclotetrasiloxane (D4) as a monomer and hexamethyldisiloxane as a chain terminator by increasing the volume of raw materials and reactors. The viscosity of PDMS obtained is in the ranges of 1000-3700 mPa.s for lab-scale, 1130-3590 mPa.s for three times scale-up, and 1270-4320 for five times scale-up. The obtained refractive index ranges from 1.3982 to 1.4008 and the surface tension ranges from 20 to 21 mN/m. From FTIR measurements, the synthesized PDMS from lab-scale and scale-up had structural and functional groups similar to commercial PDMS, showing that PDMS has been successfully synthesized.
期刊介绍：
Designed Monomers and Polymers ( DMP) publishes prompt peer-reviewed papers and short topical reviews on all areas of macromolecular design and applications. Emphasis is placed on the preparations of new monomers, including characterization and applications. Experiments should be presented in sufficient detail (including specific observations, precautionary notes, use of new materials, techniques, and their possible problems) that they could be reproduced by any researcher wishing to repeat the work.
The journal also includes macromolecular design of polymeric materials (such as polymeric biomaterials, biomedical polymers, etc.) with medical applications.
DMP provides an interface between organic and polymer chemistries and aims to bridge the gap between monomer synthesis and the design of new polymers. Submssions are invited in the areas including, but not limited to:
-macromolecular science, initiators, macroinitiators for macromolecular design
-kinetics, mechanism and modelling aspects of polymerization
-new methods of synthesis of known monomers
-new monomers (must show evidence for polymerization, e.g. polycondensation, sequential combination, oxidative coupling, radiation, plasma polymerization)
-functional prepolymers of various architectures such as hyperbranched polymers, telechelic polymers, macromonomers, or dendrimers
-new polymeric materials with biomedical applications
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