废弃牛油的亚硫酸化改性及应用
|
摘要
以制革废弃牛油为原材料,对其先后进行理化性能检测、脱色脱臭、酰胺化、酯化和亚硫酸化反应并制得亚硫酸化加脂剂。结果表明,制革废弃牛油酸值为45 mg KOH/g,皂化值为207 mg KOH/g;采用10%双氧水、6%活性白土对其脱色脱臭,效果最佳。采用n(乙醇胺)/n(牛油)为4∶1且1.5%的甲酸钠催化下,在130～140℃反应2 h后,油脂的酸值和羟值分别为15～30 mg KOH/g和约280 mg KOH/g。在亚硫酸化改性反应中,当偏重亚硫酸钠的最佳用量为20%时,该加脂剂为浅黄色且具有良好的乳液稳定性,加脂后的绵羊皮服装革柔软。
Acting waste tallow from tannery as raw material, determination of its physical and chemical properties, decolorization and deodorization, amidation, esterification and sulfitation were done successively. Results showed that the acid value, the saponification value of the waste beef tallow was 45 mgKOH/g, 207 mgKOH/g respectively. When 10% hydrogen peroxide and 6%activated clay were successively used to decolorization and deodorization, the best effect was obtained.When n(ethanolamine)∶n(Waste beef tallow)was 4∶1,the reaction temperature and the reaction time was 130～140℃, 2 hrs respectively by 1.5% sodium formate as a catalyst, the acid value and hydroxyl value of the treated beef tallow was 15～30 mg KOH/g, about 280 mg KOH/g respectively.When the optimum dosage of sodium pyrosulfite was 20%, the fat-liquor obtained had light yellow and good stability. The sheepskin garment leather fatliquored with the sulfated fat-liquor is very soft.
Acting waste tallow from tannery as raw material, determination of its physical and chemical properties, decolorization and deodorization, amidation, esterification and sulfitation were done successively. Results showed that the acid value, the saponification value of the waste beef tallow was 45 mgKOH/g, 207 mgKOH/g respectively. When 10% hydrogen peroxide and 6%activated clay were successively used to decolorization and deodorization, the best effect was obtained.When n(ethanolamine)∶n(Waste beef tallow)was 4∶1,the reaction temperature and the reaction time was 130～140℃, 2 hrs respectively by 1.5% sodium formate as a catalyst, the acid value and hydroxyl value of the treated beef tallow was 15～30 mg KOH/g, about 280 mg KOH/g respectively.When the optimum dosage of sodium pyrosulfite was 20%, the fat-liquor obtained had light yellow and good stability. The sheepskin garment leather fatliquored with the sulfated fat-liquor is very soft.
引文
[1]单志华,陈慧,罗建勋,等.鞣制化学与工艺学[M].北京:科学出版社, 2017.
[2]俞从正,陈永芳,马兴元,等.皮革工业环境污染的对策.I.世界皮革工业的环境状况[J].中国皮革,2004,33(17):31-36.
[3]马建中,麻冬,吕斌,等.制革废弃油脂制备乙醇-柴油乳化剂的研究[J].石油炼制与化工,2011,42(10):73-77.
[4]郭涛,杜蕾蕾,万辉,等.餐饮废油制备硬脂酸与油酸的研究[J].食品科技,2009,34(8):109-112.
[5]张勇.利用地沟油制备生物柴油[J].中国油脂,2008,33(11):48-50.
[6]段宝荣,谭树志,王全杰,等.地沟油氧化亚硫酸化制备加脂剂及其在制革中的应用[J].中国皮革,2012,41(1):43-47.
[7]李云雁,胡传荣.试验设计与数据处理[M].北京:化学工业出版社,2015.
[8]罗晓民,丁绍兰,周庆芳.皮革理化分析[M].北京:中国轻工业出版社,2013.
[2]俞从正,陈永芳,马兴元,等.皮革工业环境污染的对策.I.世界皮革工业的环境状况[J].中国皮革,2004,33(17):31-36.
[3]马建中,麻冬,吕斌,等.制革废弃油脂制备乙醇-柴油乳化剂的研究[J].石油炼制与化工,2011,42(10):73-77.
[4]郭涛,杜蕾蕾,万辉,等.餐饮废油制备硬脂酸与油酸的研究[J].食品科技,2009,34(8):109-112.
[5]张勇.利用地沟油制备生物柴油[J].中国油脂,2008,33(11):48-50.
[6]段宝荣,谭树志,王全杰,等.地沟油氧化亚硫酸化制备加脂剂及其在制革中的应用[J].中国皮革,2012,41(1):43-47.
[7]李云雁,胡传荣.试验设计与数据处理[M].北京:化学工业出版社,2015.
[8]罗晓民,丁绍兰,周庆芳.皮革理化分析[M].北京:中国轻工业出版社,2013.