Formulation Prediction for Young's Modulus of Poly(dimethylsiloxane) by Spectroscopic Methods
- Authors
- Cho, Han Saem; Moon, Heh-Young; Lee, Heung Soon; Kim, Yong Tae; Jeoung, Sae Chae
- Issue Date
- Sep-2021
- Publisher
- WILEY-V C H VERLAG GMBH
- Keywords
- PDMS; Young' s modulus; Contact angle; Density; Formulation
- Citation
- BULLETIN OF THE KOREAN CHEMICAL SOCIETY, v.42, no.9, pp.1225 - 1231
- Journal Title
- BULLETIN OF THE KOREAN CHEMICAL SOCIETY
- Volume
- 42
- Number
- 9
- Start Page
- 1225
- End Page
- 1231
- URI
- https://scholarworks.bwise.kr/gachon/handle/2020.sw.gachon/82226
- DOI
- 10.1002/bkcs.12352
- ISSN
- 0253-2964
- Abstract
- In this work, we refer to the fraction of hydrides and vinyl groups consumed in cross-linking reaction as a variation of the properties of poly(dimethylsiloxane) (PDMS) with varying the formulation of a curing agent from 3.2 wt % to 50 wt %. Young's modulus, density, and refractive indices of PDMS were observed to have a maxima at a formulation of about 10 wt % of cross linker. The intensity of the Raman band for the Si-H stretching mode in cross-linker is almost zero if the cross-linking agent is less than 10 wt %, but it is linearly increasing with increasing the content of cross-linker. The dependence of the elastic modulus on the formulation could be explained in terms of the fraction of cross-linked network. The analytical framework proposed in this work could be used for optimizing the formulation of PDMS and hence its properties can be tailored for specific applications.
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