Effect of macro and molecular initiators on the structure-property relationship of poly(ε-caprolactone)

Author:

Thamizhlarasan A1,Meenarathi B1,Anbarasan R2ORCID

Affiliation:

1. Department of Polymer Technology, KCET, Madurai, Tamil Nadu, India

2. Department of Chemical Engineering, National Taiwan University, Taipei, Taiwan

Abstract

Ring opening polymerization (ROP) of ε-caprolactone (CL) was carried out by bulk polymerization technique using stannous octoate (SO) as a catalyst and in the presence of macro or molecular initiator for 5 h under inert atmosphere with mild stirring. The % yield of poly(ε-caprolactone) (PCL) obtained was calculated and compared based on the chemical structure of macro and molecular initiators. Various analytical techniques such as FT-IR, 1H-NMR, XPS, GPC, DSC, TGA, SEM and WCA were used to characterize the PCL. The FT-IR spectrum showed the C=O stretching around ∼1725 cm−1. The aromatic proton signal of isoeugenol (IE) initiator appeared at 7–8 ppm in the proton NMR spectrum. The experimental results obtained were compared with the literature values.

Publisher

SAGE Publications

Subject

Condensed Matter Physics,Ceramics and Composites

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