皮革科学与工程 ›› 2021, Vol. 31 ›› Issue (5): 48-54.doi: 10.19677/j.issn.1004-7964.2021.05.010

• 材料 工艺 • 上一篇    下一篇

高吸收铬鞣助剂PEGA的制备及应用

陈勇波1, 朱瑞鑫2, 李开军1, 稂时英2, 汪瑞1, 苏辉3, 刘公岩1,2,*   

  1. 1.四川大学制革清洁技术国家工程研究中心,四川 成都610065;
    2.四川大学皮革化学与工程教育部重点实验室,四川 成都610065;
    3.广东省惠州市质量计量监督检验所,广东 惠州 516003
  • 收稿日期:2021-03-29 出版日期:2021-10-28 上线日期:2021-10-08
  • 通讯作者: *刘公岩(1985-),男,教授,lgy3506@scu.edu.cn,主要从事清洁化智能鞣剂的基础与应用研究。
  • 作者简介:陈勇波(2000-),男,硕士研究生。
  • 基金资助:
    四川省科技厅重点研发项目(2021YFG0241);四川大学皮革化学与工程教育部重点实验室开放课题(SCU2021D005)

Preparation and Application of High Exhaustion Chrome Tanning Auxiliary PEGA

CHEN Yongbo1, ZHU Ruixin2, LI Kaijun1, LANG Shiying2, WANG Rui1, SU Hui3, LIU Gongyan1,2,*   

  1. 1. National Engineering Research Center of Clean Technology in Leather Industry, Sichuan University, Chengdu 610065, China;
    2. Key Laboratory of Leather Chemistry and Engineering of Ministry of Education, Sichuan University, Chengdu 610065, China;
    3. Guangdong Huizhou Quality & Measuring Supervision Testing Institute, Huizhou 516003, China ;
  • Received:2021-03-29 Published:2021-10-28 Online:2021-10-08

摘要: 以甲氧基聚乙二醇丙烯酸酯(PEGMA)和丙烯酸(AA)为单体,采用自由基共聚的方法,合成了一种多羧基的共聚物PEGA(poly(PEGMA-co-AA))。通过FT-IR、1H NMR和GPC对PEGA的分子信息进行了解析,并将PEGA作为高吸收铬鞣助剂与2.0%的铬鞣剂进行鞣革应用。研究结果表明,PEGA共聚物的聚乙二醇官能团可以促进铬鞣剂的均匀渗透和缓慢均匀结合;羧基官能团则将铬鞣剂的吸收利用率提高至93.3%。所得蓝湿革的收缩温度高于90 ℃,具有鞣制均匀性和优良的物理机械性能。

关键词: 高吸收铬鞣, 铬鞣助剂, 均匀鞣制

Abstract: A multi-carboxyl copolymer PEGA (poly (PEGMA-co-AA)) was synthesized by free radical copolymerization of poly (ethylene glycol) methyl ether acrylate (PEGMA) and acrylic acid (AA). The molecular information of PEGA were characterized by FT-IR, 1H NMR and GPC. PEGA was used as a high exhaustion chrome tanning auxiliary additive and 2.0% chrome tanning agent for tanning. The results showed that the PEG functional group of PEGA copolymer could promote the uniform penetration and slow and uniform binding of chrome tanning agent. The carboxyl functional group increased the absorption and utilization rate of chrome tanning agent to 93.3%. The shrinkage temperature of the obtained wet blue leathers was higher than 90 ℃, which showed uniformity of tanning and excellent physical and mechanical properties.

Key words: high exhaustion chrome tanning, tanning auxiliary, uniform tanning

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