Abstract
Epoxy-capped polyhedral oligomeric silsesquioxane (EP-POSS) is performed to modify bisphenol A cyanate ester (BADCy) to regulate its dielectric constant and thermal resistance. EP-POSS can be incorporated in the cross-linked network of BADCy via covalent bonds, which catalyzes BADCy self-polymerization to decease the initial temperature of forming triazine rings. EP-POSS is distributed in the BADCy matrix uniformly and there is no aggregation and phase separation between EP-POSS and BADCy matrix at a micrometer scale. The dielectric constant values of EP-POSS/BADCy are decreased with the addition of EP-POSS, but increased slightly when the mass fraction of the EP-POSS is more than 2 wt%. The thermal resistance of EP-POSS/BADCy is increased slightly with the addition of EP-POSS.
| Original language | English |
|---|---|
| Pages (from-to) | 182-191 |
| Number of pages | 10 |
| Journal | Journal of Elastomers and Plastics |
| Volume | 48 |
| Issue number | 2 |
| DOIs | |
| State | Published - 1 Mar 2016 |
Keywords
- BADCy
- dielectric constant
- EP-POSS
- phase separation
- thermal resistance
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