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| 国产不溶性硫黄OT20的生产工艺及性能 |
| Production Process and Properties of Domestic Insoluble Sulfur OT20 |
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| DOI： |
| 中文关键词: 不溶性硫黄 生产工艺 高温热稳定性 分散性 |
| 英文关键词: insoluble sulfur production process thermal stability dispersion |
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| 中文摘要: |
| 介绍国产不溶性硫黄（IS）OT20的生产工艺和性能。国产IS OT20是在液流直接法的基础上将液硫温度提高至620~700 ℃制成。国产IS OT20的不溶性硫含量较高，高温热稳定性较好，分散性达到国外同类产品水平。在全钢子午线轮胎带束层和胎体胶中使用国产不溶性硫黄OT20，胶料的工艺性能和物理性能满足生产要求，半成品未出现喷霜问题。 |
| 英文摘要: |
| The production process and properties of the domestic insoluble sulfur (IS) OT20 were presented. The production process was based on the direct melting method， but the temperature was elevated to 620~700 ℃. The product OT20 possessed high content of insoluble sulfur， good high temperature stability and similar dispersibility as the imported insoluble sulfur. When OT20 was applied in the compounds of the belt and carcass of all-steel belt radial tire， the processing property and physical properties of the compounds met the production requirements， and the blooming did not occur at all in the semi-finished products. |
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