| Study on Application of Rubber Oils with Different Carbon Type Structures in Insoluble Sulfur |
| Received:September 16, 2022 Revised:September 16, 2022 |
| DOI：10.12136/j.issn.1000-890X.2024.01.0035 |
| Key Words: insoluble sulfur；naphthenic rubber oil；aromatic rubber oil；paraffin based rubber oil |
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| Abstract: |
| The effects of rubber oils with different carbon type structures on the properties and
applications of oil-filled insoluble sulfur were comparatively analyzed. The results showed that naphthenic
rubber oil and paraffin based rubber oil were more environmentally friendly than aromatic rubber oil，as they
did not contain harmful aromatics. Aromatic rubber oil insoluble sulfur had the worst thermal stability. The
thermal stability of the paraffin based rubber oil insoluble sulfur was better，but it was prone to clumping and
poor dispersibility. Naphthenic rubber oil insoluble sulfur had the best thermal stability and dispersibility.
The physical properties of the vulcanizate with the paraffin based rubber oil insoluble sulfur were the worst，
while the vulcanizate with the aromatic rubber oil insoluble sulfur had better physical properties. The physical
properties of vulcanizate with the naphthenic rubber oil insoluble sulfur were the best. The naphthenic rubber
oil was an ideal filling oil for insoluble sulfur. |
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