| Cumyl hydroperoxide (CHP) is reduced by sodium sulfite to form phenyl dimethyl methanol, which is then, by the catalytic function of perchloric acid, condensed with another CHP molecule and post-treated to obtain DCP product. | | |
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| The product is made through a process of SINOPEC GPC own intellectual property right. Both the process technology and product quality have reached international advanced level and recognized by the world top manufacturing companies. | | |
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| The product is widely applied in rubber, polyolefin, foam plastics, insulated cable, footwear, and flame-retard coating industries etc. | | |
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| Item | Unit | Premium grade | Regular grade | Appearance | — | White crystalline | White or yellowish (reddish) crystalline | Melting point | °C | ≥39.0 | ≥38.5 | Total volatile content | %(mass fraction) | ≤0.20 | ≤0.40 | Concentration | %(mass fraction) | ≥99.5 | ≥98.5 | Melt color (Pt-Co) | | ≤100 | ≤150 |
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