磺化油STO、硫酸化牛蹄油和硫酸化蓖麻油加脂的坯革伸长率较大。
The elongations of the leathers fatliquored by the sulfonated oil STO, sulfated castor oil and sulfated neatsfoot oil were better .
反应过程中蓖麻油的双键和羟基同时参与磺化反应，蓖麻酸甘油酯发生水解反应。
Both the duplicated bond and the hydroxide ion in castor oil took part in sulphate reaction and a hydrolysis also took place in the castor acid.
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