Abstract
High-ortho boron-containing phenolic fibers were prepared, and cured in a solution of formaldehyde and hydrochloric acids. The resulted fibers were heattreated in N2 at tiered temperature. Differential scanning calorimetry and thermogravimetric analysis were employed to characterize thermal performance. The results show that the addition of boron in the precursor resin can increase the peak of curing temperature and thermal stability.
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