一种树状阳离子皮革固色剂及其制备方法
- 申请公布号:
- CN101684621A
- 申请号:
- CN200910022886.9
- 申请日期:
- 2009.06.09
- 申请公布日期:
- 2010.03.31
- 申请人:
- 陕西科技大学
- 发明人:
- 王学川;强涛涛;何林燕;袁绪政
- 分类号:
- D06P5/08(2006.01)I;D06P5/10(2006.01)I;D06P1/52(2006.01)I;D06M15/61(2006.01)I
- 主分类号:
- D06P5/08(2006.01)I
- 代理机构:
- 西安新思维专利商标事务所有限公司
- 代理人:
- 黄秦芳
- 地址:
- 710021陕西省西安市未央大学城陕西科技大学
- 摘要:
- 本发明涉及到一种皮革固色剂的制备方法,特别涉及到一种树状阳离子皮革固色剂及其制备方法。本发明要克服现有技术存在的活性低,使用量大且易引起皮革粗面的缺点,现采用的技术方案是:一种树状阳离子皮革固色剂的制备方法包括:(1)将有机胺与丙烯酸酯混合,加入反应溶剂,搅拌反应,抽真空,旋转蒸馏,除去溶剂及过量的丙烯酸酯,制得树状聚酰胺-胺;(2)将步骤(1)得到的树状聚酰胺-胺与阳离子醚化剂混合,加入溶剂,反应后,加入萃取剂,萃取多次后得到接枝改性的树状阳离子皮革固色剂。与现有技术相比,本发明的优点是:降低染料的水解作用,提高皮革的耐湿摩擦牢度,减少染料的用量;不影响皮革的手感;易于生物降解。
- 主权项:
- 1、一种树状阳离子皮革固色剂,该产品由下述方法制得:(1)0.5代-2.0代的树状聚酰胺-胺(PAMAM)的合成0.5代树状聚酰胺-胺的合成:将有机胺与丙烯酸酯按1∶3~10的摩尔比在冰水浴中进行混合,加入反应体系总体积10~40%的低碳链脂肪醇作为溶剂,在室温下搅拌反应6~16h后,在30~70℃下抽真空,在0.02~0.1MPa的真空度下旋转蒸馏0.5~2h,除去溶剂及过量的丙烯酸酯,制得0.5代树状聚酰胺-胺;1.0代树状聚酰胺-胺的合成:将0.5代的树状聚酰胺-胺与有机胺按1∶10~24的摩尔比在冰水浴中进行混合,加入反应体系总体积10~50%的低碳链脂肪醇作为溶剂,在室温下搅拌反应15~30h后,在50~100℃下抽真空,在0.02~0.1MPa的真空度下,加入反应物总质量1~6%的共沸剂旋转蒸馏0.5~2h,除去溶剂及过量的有机胺,制得1.0代的树状聚酰胺-胺。(2)接枝改性整代的树状聚酰胺-胺将步骤(1)得到的最终产物树状聚酰胺-胺与阳离子醚化剂混合,并加入反应体系体积20~50%的溶剂,在20~90℃下反应1~8h后,加入过量5-10倍的萃取剂,萃取多次后得到接枝改性的树状阳离子皮革固色剂。
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