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No. ▲ II ▼ manufacturing method of family metal overbased sulfurized alkylphenol
No. ▲ II ▼ manufacturing method of family metal overbased sulfurized alkylphenol
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机译:No.▲II▼家庭金属高碱性硫化烷基酚的制造方法
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摘要
The present invention is directed toward a method for preparing Group II metal overbased sulfurized alkylphenols. In particular, the present invention employs a sulfurization catalyst in the preparation of Group II metal overbased sulfurized alkylphenols. Use of a sulfurization catalyst in this preparation results in a product generally characterized as having lower crude sediment, a higher Total Base Number and lower viscosity than a similar product prepared without using a sulfurization catalyst.
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