CN115029016A - 一种印花用液体还原染料及其制备方法 - Google Patents
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Abstract
本发明提供一种印花用液体还原染料,按重量份数计包括:5‑20份的还原红15,5‑20份的还原绿1,1‑10份的还原蓝20,MF或木质素磺酸钠4‑15份,8‑20份的蓖麻油聚氧乙烯聚氧丙烯醚硫酸铵,0.5‑8份的山梨醇,20‑70份的水。本发明还提供一种印花用液体还原染料的制备方法,制备的还原染料强度达到传统粉体还原染料强度,保持较好的流动性,皂洗牢度高,并能实现节水降耗。
Description
技术领域
本发明涉及染料及其制备领域,具体涉及一种印花用液体还原染料及其制备方法。
背景技术
还原染料染色牢度优异,特别是皂洗牢度、耐氯漂牢度和耐光牢度,广泛用于纤维素纤维的染色和印花,适用于军工面料、工装等对牢度要求较高的面料,现有的还原染料剂型大多为粉体剂型,使用大量的分散剂和填充剂,印花过程中分散剂和填充剂无法上染纤维,吸附在纤维表面并附带染料,造成染料浪费、染色牢度较低并对水体造成污染。因此制备一种粘度较低,印花色牢度高,并能实现节水降耗的染料是本领域技术人员亟待解决的技术问题。
发明内容
本发明要解决的技术问题是:提供一种印花用液体还原染料及其制备方法,制备的还原染料强度达到传统粉体还原染料强度,保持较好的流动性,皂洗牢度高,并能实现节水降耗。
本发明解决上述技术问题的技术方案如下:
本发明提供了一种印花用液体还原染料,按重量份数计包括:5-20份的还原红15,5-20份的还原绿1,1-10份的还原蓝20,MF或木质素磺酸钠4-15份,8-20份的蓖麻油聚氧乙烯聚氧丙烯醚硫酸铵,0.5-8份的山梨醇,20-70份的水。
进一步的,按重量份数计包括:6-15份的还原红15,6-15份的还原绿1,2-8份的还原蓝20,MF或木质素磺酸钠5-10份,10-15份的蓖麻油聚氧乙烯聚氧丙烯醚硫酸铵,1-5份的山梨醇,30-60份的水。
蓖麻油聚氧乙烯聚氧丙烯醚硫酸铵结构式为:
分散剂MF主要成分为甲基萘磺酸钠的甲醛缩合物,即亚甲基双甲基萘磺酸钠,分散剂MF主要用作还原染料和分散染料的分散剂和填充剂,主要用于分散染料、还原染料研磨时的加工剂与分散剂。还原红15(枣红2R)、还原绿1(艳绿FFB)、还原蓝20均为染料干粉。木质素磺酸钠(85A)是一种性能优良的阴离子表面活性剂,可用作分散剂,具有成本低、环境友好等优点。蓖麻油聚氧乙烯聚氧丙烯醚硫酸铵为高分子分散剂,其中m+o+a=20,n+p+b=5-20。山梨醇作为湿润剂和保湿剂。
进一步的,所述MF结构式中n为2-5。
进一步的,所述所述印花用液体还原染料强度为100%±2,粘度小于200cpa。
本发明还提供了一种印花用液体还原染料的制备方法,包括如下步骤:a.把蓖麻油聚氧乙烯聚氧丙烯醚硫酸铵和等份数的水加热到55-65℃混合均匀后加入打浆锅,继续加入剩余的水,搅拌均匀;b.搅拌下加入还原染料干粉还原红15、还原绿1、还原蓝20,分散剂选择MF或分散剂木质素磺酸钠,打浆;c.打浆均匀后在砂磨机中砂磨;d.过滤,过滤后到混合釜中;e.加入保湿剂山梨醇并搅拌均匀,过滤,测强度。
进一步的,所述c步骤砂磨机为卧式砂磨机,砂磨粒径D09小于1μm。
进一步的,所述d步骤采用10μm过滤袋过滤。
进一步的,所述e步骤采用2μm过滤袋过滤,测强度后还包括补水,调整强度操作。
本发明中化合物的中文命名与结构式有冲突的,以结构式为准;结构式有明显错误的除外。
本发明的有益效果在于:本发明使用新的分散剂部分代替传统的分散剂,并添加润湿剂等助剂,从而制备适合印花用的液体还原染料,在达到传统粉体还原染料强度的情况下,保持较好的流动性,制备的液体染料皂洗牢度提高1级左右,同时能减少1-2道水洗。使用高分子分散剂可以用少量的助剂制备成液体状的还原染料,在保证流动性的同时(粘度≤200cpa),皂洗牢度可以提升1级左右,在保证国标3级皂洗牢度的情况下可以减少1-2道水洗,达到节水降耗的目的。
具体实施方式
以下结合实例说明本发明,但不限制本发明。在本领域内,技术人员对本发明所做的简单替换或改进均属于本发明所保护的技术方案内。
实施例1:
一种印花用液体还原染料,按重量份数计包括:6份的还原红15,6份的还原绿1,2份的还原蓝20,10份的木质素磺酸钠,10份的蓖麻油聚氧乙烯聚氧丙烯醚硫酸铵,1份的山梨醇,30份的水。
所述印花用液体还原染料的制备方法,包括如下步骤:a.把蓖麻油聚氧乙烯聚氧丙烯醚硫酸铵和等份数的水加热到55℃混合均匀后加入打浆锅,继续加入剩余的水,搅拌均匀;b.搅拌下加入还原染料干粉还原红15、还原绿1、还原蓝20、分散剂木质素磺酸钠打浆;c.打浆均匀后在卧式砂磨机中砂磨,砂磨粒径D09小于1μm;d.过滤,过滤后到混合釜中;e.加入保湿剂山梨醇并搅拌均匀,过滤,测强度。所述d步骤采用10μm过滤袋过滤。所述e步骤采用2μm过滤袋过滤。
实施例2:
一种印花用液体还原染料,按重量份数计包括:15份的还原红15,15份的还原绿1,8份的还原蓝20,10份的MF,15份的蓖麻油聚氧乙烯聚氧丙烯醚硫酸铵,5份的山梨醇,60份的水。所述MF结构式中n为5。
所述印花用液体还原染料的制备方法,包括如下步骤:a.把蓖麻油聚氧乙烯聚氧丙烯醚硫酸铵和等份数的水加热到65℃混合均匀后加入打浆锅,继续加入剩余的水,搅拌均匀;b.搅拌下加入还原染料干粉还原红15、还原绿1、还原蓝20和分散剂MF打浆;c.打浆均匀后在砂磨机中砂磨,砂磨粒径D09小于1μm;d.过滤,过滤后到混合釜中;e.加入保湿剂山梨醇并搅拌均匀,过滤,测强度。所述d步骤采用10μm过滤袋过滤。所述e步骤采用2μm过滤袋过滤。
实施例3:
一种印花用液体还原染料,按重量份数计包括:10份的还原红15,10份的还原绿1,5份的还原蓝20,10份的MF,10份的蓖麻油聚氧乙烯聚氧丙烯醚硫酸铵,2份的山梨醇,53份的水。所述MF结构式中n为4,所述水为去离子水。
所述印花用液体还原染料的制备方法,包括如下步骤:a.把蓖麻油聚氧乙烯聚氧丙烯醚硫酸铵和等份数的水加热到60℃混合均匀后加入打浆锅,继续加入剩余的水,搅拌均匀;b.搅拌下加入还原染料干粉还原红15、还原绿1、还原蓝20和分散剂MF打浆;c.打浆均匀后在卧式砂磨机中砂磨,砂磨粒径D09小于1μm;d.过滤,过滤后到混合釜中;e.加入保湿剂山梨醇并搅拌均匀,过滤,测强度。所述d步骤采用10μm过滤袋过滤。所述e步骤采用2μm过滤袋过滤。
实施例4:
一种印花用液体还原染料,按重量份数计包括:10份的还原红15,10份的还原绿1,5份的还原蓝20,5份的MF,15份的蓖麻油聚氧乙烯聚氧丙烯醚硫酸铵,2份的山梨醇,50份的水。所述MF结构式中n为2-5,所述水为去离子水。
所述印花用液体还原染料的制备方法,包括如下步骤:a.把蓖麻油聚氧乙烯聚氧丙烯醚硫酸铵和等份数的水加热到60℃混合均匀后加入打浆锅,继续加入剩余的水,搅拌均匀;b.搅拌下加入还原染料干粉还原红15、还原绿1、还原蓝20和分散剂MF打浆;c.打浆均匀后在砂磨机中砂磨,砂磨粒径D09小于1μm;d.过滤,过滤后到混合釜中;e.加入保湿剂山梨醇并搅拌均匀,过滤,测强度。所述d步骤采用10μm过滤袋过滤。所述e步骤采用2μm过滤袋过滤。
实施例5:
一种印花用液体还原染料,按重量份数计包括:10份的还原红15,10份的还原绿1,5份的还原蓝20,5份的木质素磺酸钠,15份的蓖麻油聚氧乙烯聚氧丙烯醚硫酸铵,3份的山梨醇,55份的水。
所述印花用液体还原染料的制备方法,包括如下步骤:a.把蓖麻油聚氧乙烯聚氧丙烯醚硫酸铵和等份数的水加热到58℃混合均匀后加入打浆锅,继续加入剩余的水,搅拌均匀;b.搅拌下加入还原染料干粉还原红15、还原绿1、还原蓝20和分散剂木质素磺酸钠打浆;c.打浆均匀后在卧式砂磨机中砂磨,砂磨粒径D09小于1μm;d.过滤,过滤后到混合釜中;e.加入保湿剂山梨醇并搅拌均匀,过滤,测强度。所述d步骤采用10μm过滤袋过滤。所述e步骤采用2μm过滤袋过滤。
实施例6:
一种印花用液体还原染料,按重量份数计包括:12份的还原红15,10份的还原绿1,4份的还原蓝20,6份的MF,12份的蓖麻油聚氧乙烯聚氧丙烯醚硫酸铵,2份的山梨醇,40份的水。所述MF结构式中n为2-5,所述水为去离子水。
所述印花用液体还原染料的制备方法,包括如下步骤:a.把蓖麻油聚氧乙烯聚氧丙烯醚硫酸铵和等份数的水加热到60℃混合均匀后加入打浆锅,继续加入剩余的水,搅拌均匀;b.搅拌下加入还原染料干粉还原红15、还原绿1、还原蓝20和分散剂MF打浆;c.打浆均匀后在卧式砂磨机中砂磨,砂磨粒径D09小于1μm;d.过滤,过滤后到混合釜中;e.加入保湿剂山梨醇并搅拌均匀,过滤,测强度。所述d步骤采用10μm过滤袋过滤。所述e步骤采用2μm过滤袋过滤。
实施例性能指标测试结果见表1。皂洗牢度参考GB/T 3921-2008,强度参考GB/T2377-2013,粘度采样旋转粘度计测定。
表1:实施例测试结果
实施例流动性好,粘度≤200cpa,皂洗牢度普遍为4级,部分达到4-5级,皂洗牢度较对比例可以提升1-2级左右。
对比例
对比例1-4制备方法参照实施例6,配方如下表2所示。
表2:对比例配方
对比例性能指标测试结果见表3。
表3:对比例测试结果
性能 | 对比例1 | 对比例2 | 对比例3 | 对比例4 |
粘度(cpa) | / | 148 | 164 | 213 |
皂洗牢度(级) | 3 | 3 | 3 | 4 |
强度 | 100% | 103% | 102% | 102% |
对比例1为传统粉体还原染料,无粘度概念;分散剂MF、木质素磺酸钠、高分子分散剂蓖麻油聚氧乙烯聚氧丙烯醚硫酸铵及山梨醇的施加可以显著改善液体还原染料的性能,但是分散剂MF、木质素磺酸钠同时使用对液体还原染料性能并没有太大的提升作用,选用一种能达到类似的效果且能节省成本,使用木质素磺酸钠还需考虑对体系粘度的影响。高分子分散剂蓖麻油聚氧乙烯聚氧丙烯醚硫酸铵的使用可以显著改变发明的性能。同时对各组分配方比例的优化调整配合,以及环保理念的应用等,形成了本发明。
以上所述的仅是本发明的优选实施方式,应当指出,对于本领域的普通技术人员来说,在不脱离本发明创造构思的前提下,还可以做出若干变形和改进,这些都属于本发明的保护范围。
Claims (9)
1.一种印花用液体还原染料,其特征在于,按重量份数计包括:5-20份的还原红15,5-20份的还原绿1,1-10份的还原蓝20,MF或木质素磺酸钠4-15份,8-20份的蓖麻油聚氧乙烯聚氧丙烯醚硫酸铵,0.5-8份的山梨醇,20-70份的水。
2.根据权利要求1所述的一种印花用液体还原染料,其特征在于,按重量份数计包括:6-15份的还原红15,6-15份的还原绿1,2-8份的还原蓝20,MF或木质素磺酸钠5-10份,10-15份的蓖麻油聚氧乙烯聚氧丙烯醚硫酸铵,1-5份的山梨醇,30-60份的水。
4.根据权利要求3所述的一种印花用液体还原染料,其特征在于,所述MF结构式中n为2-5。
5.根据权利要求4所述的一种印花用液体还原染料,其特征在于,所述印花用液体还原染料强度为100%±2,粘度小于200cpa。
6.一种印花用液体还原染料的制备方法,其特征在于,包括如下步骤:a.把蓖麻油聚氧乙烯聚氧丙烯醚硫酸铵和等份数的水加热到55-65℃混合均匀后加入打浆锅,继续加入剩余的水,搅拌均匀;b.搅拌下加入还原染料干粉还原红15、还原绿1、还原蓝20和分散剂MF或分散剂木质素磺酸钠打浆;c.打浆均匀后在砂磨机中砂磨;d.过滤,过滤后到混合釜中;e.加入保湿剂山梨醇并搅拌均匀,过滤,测强度。
7.根据权利要求6所述的一种印花用液体还原染料的制备方法,其特征在于,所述c步骤砂磨机为卧式砂磨机,砂磨粒径D09小于1μm。
8.根据权利要求7所述的一种印花用液体还原染料的制备方法,其特征在于,所述d步骤采用10μm过滤袋过滤。
9.根据权利要求8所述的一种印花用液体还原染料的制备方法,其特征在于,所述e步骤采用2μm过滤袋过滤,测强度后还包括补水,调整强度操作。
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