氧化亚硫酸化菜籽油加脂剂的制备及性能研究

doi:10.19677/j.issn.1004-7964.2024.01.011

皮革科学与工程 ›› 2024, Vol. 34 ›› Issue (1): 75-82.doi: 10.19677/j.issn.1004-7964.2024.01.011

氧化亚硫酸化菜籽油加脂剂的制备及性能研究

王璐瑶^1,2, 陈向³, 王雨璐³, 张佳星¹, 贾欣宇^1,2, 蒋弟勇³, 陈慧^1,2,*

1.四川大学轻工科学与工程学院,四川成都 610065;
2.四川大学制革清洁技术国家工程实验室,四川成都 610065;
3.四川泸天化创新研究院有限公司,四川泸州 646000

收稿日期:2023-07-26 修回日期:2023-10-09 接受日期:2023-10-16 出版日期:2024-02-01 上线日期:2024-01-08
通讯作者: *陈慧（1978-）,女,博士,副教授,研究方向：清洁化制革,生物质改性及其功能化。E-mail: chenh@scu.edu.cn。
作者简介:王璐瑶（2001-）,女,硕士研究生,研究方向：生物质材料改性及其功能化。E-mail: wangly@stu.scu.edu.cn。
基金资助:
2022年度四川大学—泸州市人民政府战略合作项目科技创新研发项目（2022CDLZ-12）

Preparation and Properties of Fatliquoring Agent Derived from Oxidized Sulfited Rapeseed Oil

WANG Luyao^1,2, CHEN Xiang³, WANG Yulu³, ZHANG Jiaxing¹, JIA Xinyu^1,2, JIANG Diyong³, CHEN Hui^1,2,*

1. Sichuan University, College of Biomass Science and Engineering, Chengdu 610065, China;
2. National Engineering Laboratory for Clean Technology of Leather Manufacture, Sichuan University, Chengdu 610065, China;
3. Sichuan Lutianhua Innovation Research Institute Co. Ltd, Luzhou 646000, China

Received:2023-07-26 Revised:2023-10-09 Accepted:2023-10-16 Online:2024-02-01 Published:2024-01-08

摘要/Abstract

摘要： 利用亚硫酸氢钠对氧化菜籽油进行亚硫酸化改性,经过三乙醇胺中和获得植物油基加脂剂（OSF-T）,最后通过添加过氧乙酸去除残余的亚硫酸盐获得低碘值加脂剂（OSF-PT）。将上述加脂剂应用于蓝湿牛皮染色加脂实验,同时与市售加脂剂AMK对比。结果表明,自制加脂剂乳液粒径在10~180 nm之间,并具有优异的乳液稳定性和分散性;加脂性能良好,其中OSF-T加脂革柔软度可达6.5 mm;OSF-T加脂革的挥发性有机物（VOC）含量为123.7 g/m²,OSF-PT加脂革的VOC含量为121.3 g/m²,均低于AMK加脂革（164.3 g/m²）;OSF-PT加脂革比AMK加脂革的颜色更浅淡,色差（ΔE）为4.12,更适用于浅色革加脂;经过热老化和紫外老化处理,OSF-T加脂革的抗张强度仍维持在15 MPa以上,六价铬含量低于5 mg/kg。加脂剂OSF-T在皮革柔软度、力学性能、耐老化性能和六价铬含量方面均略优于市售加脂剂AMK。

关键词: 氧化菜籽油, 氧化亚硫酸化, 植物油基加脂剂, 耐老化性能

Abstract: Oxidized rapeseed oil was sulfited by sodium bisulfite and neutralized by triethanolamine to obtain a vegetable oil-based fatliquoring agent (OSF-T). The low iodine value fatliquoring agent (OSF-PT) was then obtained by adding peracetic acid to remove residual sulfite. The two fatliquoring agents were applied to the fatliquoring experiment of cowhide wet blue, and their performance was compared with that of the commercial fatliquoring agent AMK. Results showed that both OSF-T and OSF-PT emulsions exhibited particle sizes ranging from 10 to 180 nm, which were smaller than that of AMK. Furthermore, OSF-T and OSF-PT exhibited excellent emulsion stability and dispersibility. Their fatliquoring performance was good. The softness of OSF-T fatliquored leather can reach 6.5 mm, and the content of volatile organic compounds (VOC) was 123.7 g/m². The VOC content of OSF-PT fatliquored leather was 121.3 g/m². The VOC contents of the above samples were lower than that of the commercial products (164.3 g/m²). The color of black OSF-PT fatliquored leather was lighter than that of AMK fatliquored leather, and the color difference (ΔE ) was 4.12. OSF-PT was more suitable for light leather fatliquoring. After thermal aging and ultraviolet aging treatments, the tensile strength of OSF-T fatliquored leather remained above 15 MPa, and the content of hexavalent chromium was less than 5 mg/kg. Fatliquoring agent OSF-T was slightly better than the commercial fatliquoring agent AMK in terms of softness, mechanical properties, aging resistance and hexavalent chromium content.

Key words: oxidized rapeseed oil, oxidation-sulfitation, vegetable oil-based fatliquoring agent, aging resistance

中图分类号:

TS529.4

王璐瑶, 陈向, 王雨璐, 张佳星, 贾欣宇, 蒋弟勇, 陈慧. 氧化亚硫酸化菜籽油加脂剂的制备及性能研究[J]. 皮革科学与工程, 2024, 34(1): 75-82.

WANG Luyao, CHEN Xiang, WANG Yulu, ZHANG Jiaxing, JIA Xinyu, JIANG Diyong, CHEN Hui. Preparation and Properties of Fatliquoring Agent Derived from Oxidized Sulfited Rapeseed Oil[J]. Leather Science and Engineering, 2024, 34(1): 75-82.

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氧化亚硫酸化菜籽油加脂剂的制备及性能研究

Preparation and Properties of Fatliquoring Agent Derived from Oxidized Sulfited Rapeseed Oil

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