CN107419540A - 合成革用水性艳黑耐色迁亮面pu处理剂及其制备方法 - Google Patents
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Abstract
本发明提供了一种合成革用水性艳黑耐色迁亮面PU处理剂及其制备方法。本发明是一种高色浓度反应型黑色浆,具有极高的透明性,通过反应直接嵌段于高分子链中具有很好的成膜性,通过设定的独特配方更具干、湿擦牢度、不褪色、色泽艳黑,具有耐色迁性;本发明所用碳黑为全环保不含重金属的可反应型染料,且处理剂为水性处理剂,本发明所处理的合成革安全环保,无重金属污染。
Description
技术领域
本发明属于皮革处理领域,具体是一种合成革用水性艳黑耐色迁亮面PU处理剂及其制备方法。
背景技术
合成革是一种以织物为底材,用弹性高分子材料浸渍纤维层具有无规则三维立体结构的合成材料,统称贝斯,然后在贝斯上再涂布一层干法面料PU树脂。普通合成革用特黑亮面处理剂大都是清料或染料黑及苯胺黑为着色剂,复配染料黑一般都易色迁,苯胺黑、染料黑都含重金属及不环保溶剂,因其易色迁及不环保性制约了此类产品的推广。
发明内容
为了解决上述技术问题,本发明提供了一种合成革用水性艳黑耐色迁亮面PU处理剂及其制备方法。
本发明的技术方案如下:
一种合成革用水性艳黑耐色迁亮面PU处理剂,由以下重量份数的原料制成:
优选地,一种合成革用水性艳黑耐色迁亮面PU处理剂,由以下重量份数的原料制成:
一种合成革用水性艳黑耐色迁亮面PU处理剂的制备方法,包括如下步骤:1)黑色反应性染料接枝的PU树脂的合成:向3.8m3反应釜中投入150—200份黑色反应性染料、160—280份PTMG1000、40—60份DMPA、12—18份BDO、320—480份DMAC搅拌20分钟,升温至60—65℃加入240—360份H12MDI、0.24—0.36份有机铋催化剂升温至90℃后保温6h测NCO%达到理论值降温至50℃加入36—54份三乙胺、搅拌30分钟卸料,此步得预聚体,所述份数均为重量份数;
2)预聚体分散:向事先加入冷却去离子水的分散釜中缓慢加入预聚体,分散过程中缓慢滴加20—30重量份的乙二胺,待滴加完毕,降低搅速至500r/m,继续反应4h过滤包装既得半成品;
3)处理剂的复配:向4.5m3双轴分散釜中加入第1、2步合成好的黑色反应性染料接枝的PU树脂、去离子水、润湿剂sloik-8000、流平剂Tego-450、消泡剂,500r/m搅拌30分钟分散均匀,降低搅速至300r/m缓慢加入增稠剂,调节粘度至800—1000cps/25℃,120目滤网过滤包装得成品。
优选地,一种合成革用水性艳黑耐色迁亮面PU处理剂的制备方法,包括如下步骤:
1)黑色反应性染料接枝的PU树脂的合成:向3.8m3反应釜中投入200份黑色反应性染料、200份PTMG1000、50份DMPA、15份BDO、400份DMAC搅拌20分钟,升温至60—65℃加入300份H12MDI、0.3份有机铋催化剂升温至90℃后保温6h测NCO%达到理论值降温至50℃加入45份三乙胺、搅拌30分钟卸料,此步得预聚体,所述份数均为重量份数;
2)预聚体分散:向事先加入冷却去离子水的分散釜中缓慢加入预聚体,分散过程中缓慢滴加25重量份的乙二胺,待滴加完毕,降低搅速至500r/m,继续反应4h过滤包装既得半成品;
3)处理剂的复配:向4.5m3双轴分散釜中加入第1、2步合成好的黑色反应性染料接枝的PU树脂、去离子水、润湿剂sloik-8000、流平剂Tego-450、消泡剂,500r/m搅拌30分钟分散均匀,降低搅速至300r/m缓慢加入增稠剂,调节粘度至800—1000cps/25℃,120目滤网过滤包装得成品。
本发明的合成革用水性艳黑耐色迁亮面PU处理剂,是一种高色浓度反应型黑色浆,具有极高的透明性,通过反应直接嵌段于高分子链中具有很好的成膜性,通过设定的独特配方更具干、湿擦牢度、不褪色、色泽艳黑,具有耐色迁性;本发明所用碳黑为全环保不含重金属的可反应型染料,且处理剂为水性处理剂,本发明所处理的合成革安全环保,无重金属污染。
具体实施方式
实施例1
一种合成革用水性艳黑耐色迁亮面PU处理剂的制备方法,包括如下步骤:
1、黑色反应性染料接枝的PU树脂的合成:向3.8m3反应釜中投入200kg黑色反应性染料、200kgPTMG1000、50kgDMPA、15kgBDO、400kgDMAC搅拌20分钟,升温至60—65℃加入300kgH12MDI、0.3kg有机铋催化剂升温至90℃后保温6h测NCO%达到理论值降温至50℃加入45kg三乙胺、搅拌30分钟卸料,此步得预聚体,所述份数均为重量份数;
2、预聚体分散:向事先加入冷却去离子水的分散釜中缓慢加入预聚体,分散过程中缓慢滴加25kg的乙二胺,待滴加完毕,降低搅速至500r/m,继续反应4h过滤包装既得半成品;
3、处理剂的复配:向4.5m3双轴分散釜中加入第1、2步合成好的600kg黑色反应性染料接枝的PU树脂、360kg去离子水、5kg润湿剂sloik-8000、5kg流平剂Tego-450、5kg消泡剂,500r/m搅拌30分钟分散均匀,降低搅速至300r/m缓慢加入25kg增稠剂,调节粘度至800—1000cps/25℃,120目滤网过滤包装得成品。
实施例2
一种合成革用水性艳黑耐色迁亮面PU处理剂的制备方法,包括如下步骤:
1、黑色反应性染料接枝的PU树脂的合成:向3.8m3反应釜中投入150kg黑色反应性染料、280kgPTMG1000、60kgDMPA、18kgBDO、480kgDMAC搅拌20分钟,升温至60—65℃加入360kgH12MDI、0.36kg有机铋催化剂升温至90℃后保温6h测NCO%达到理论值降温至50℃加入54kg三乙胺、搅拌30分钟卸料,此步得预聚体,所述份数均为重量份数;
2、预聚体分散:向事先加入冷却去离子水的分散釜中缓慢加入预聚体,分散过程中缓慢滴加30kg的乙二胺,待滴加完毕,降低搅速至500r/m,继续反应4h过滤包装既得半成品;
3、处理剂的复配:向4.5m3双轴分散釜中加入第1、2步合成好的720kg黑色反应性染料接枝的PU树脂、440kg去离子水、6kg润湿剂sloik-8000、6kg流平剂Tego-450、6kg消泡剂,500r/m搅拌30分钟分散均匀,降低搅速至300r/m缓慢加入30kg增稠剂,调节粘度至800—1000cps/25℃,120目滤网过滤包装得成品。
实施例3
一种合成革用水性艳黑耐色迁亮面PU处理剂的制备方法,包括如下步骤:
1、黑色反应性染料接枝的PU树脂的合成:向3.8m3反应釜中投入160kg黑色反应性染料、160kgPTMG1000、40kgDMPA、12kgBDO、320kgDMAC搅拌20分钟,升温至60—65℃加入240kgH12MDI、0.24kg有机铋催化剂升温至90℃后保温6h测NCO%达到理论值降温至50℃加入36kg三乙胺、搅拌30分钟卸料,此步得预聚体,所述份数均为重量份数;
2、预聚体分散:向事先加入冷却去离子水的分散釜中缓慢加入预聚体,分散过程中缓慢滴加20kg的乙二胺,待滴加完毕,降低搅速至500r/m,继续反应4h过滤包装既得半成品;
3、处理剂的复配:向4.5m3双轴分散釜中加入第1、2步合成好的480kg黑色反应性染料接枝的PU树脂、280kg去离子水、4kg润湿剂sloik-8000、4kg流平剂Tego-450、4kg消泡剂,500r/m搅拌30分钟分散均匀,降低搅速至300r/m缓慢加入20kg增稠剂,调节粘度至800—1000cps/25℃,120目滤网过滤包装得成品。
本发明所用的黑色反应性染料是美国梅里肯公司生产的一款液态高透度、高艳度的高分子着色剂Poly Tint,粘度(cps/25℃)2000,羟基值168,官能度2.5,色强度12.5,因其含有活性-OH与–NCO反应,生成-NHCOO-,因此嵌段于聚氨酯高分子链中。
实验例1耐色迁移性实验
根据GB/T3920-2008,GB/T251-2008对普通亮面处理剂与本发明的合成革用水性艳黑耐色迁亮面PU处理剂对比,试验结果如下:
表1耐色迁移性实验结果
实验例2环保性实验
把普通亮面处理剂与本发明的合成革用水性艳黑耐色迁亮面PU处理剂进行重金属测试,参照EN71Part3:1994+A1:2000+AC:2002测定,采用ICP-OES进行分析,结果如下:
表2环保性实验结果
备注:(1)MDL=方法检测限 (2)ND=未检出
表3本发明环保性检测结果
由以上测试结果可知用本发明所处理的合成革安全环保,无重金属污染。
以上所述仅为本发明的较佳实施例,并不用以限制本发明,凡在本发明的精神和原则之内所作的任何修改、等同替换和改进等,均包含在本发明的保护范围之内。
Claims (4)
1.一种合成革用水性艳黑耐色迁亮面PU处理剂,其特征在于其由以下重量份数的原料制成:
2.如权利要1所述的一种合成革用水性艳黑耐色迁亮面PU处理剂,其特征在于其由以下重量份数的原料制成:
3.如权利要求1或2所述的一种合成革用水性艳黑耐色迁亮面PU处理剂的制备方法,其特征在于包括如下步骤:
1)黑色反应性染料接枝的PU树脂的合成:向3.8m3反应釜中投入150—200份黑色反应性染料、160—280份PTMG1000、40—60份DMPA、12—18份BDO、320—480份DMAC搅拌20分钟,升温至60—65℃加入240—360份H12MDI、0.24—0.36份有机铋催化剂升温至90℃后保温6h测NCO%达到理论值降温至50℃加入36—54份三乙胺、搅拌30分钟卸料,此步得预聚体,所述份数均为重量份数;
2)预聚体分散:向事先加入冷却去离子水的分散釜中缓慢加入预聚体,分散过程中缓慢滴加20—30重量份的乙二胺,待滴加完毕,降低搅速至500r/m,继续反应4h过滤包装既得半成品;
3)处理剂的复配:向4.5m3双轴分散釜中加入第1、2步合成好的黑色反应性染料接枝的PU树脂、去离子水、润湿剂sloik-8000、流平剂Tego-450、消泡剂,500r/m搅拌30分钟分散均匀,降低搅速至300r/m缓慢加入增稠剂,调节粘度至800—1000cps/25℃,120目滤网过滤包装得成品。
4.如权利要求3所述的一种合成革用水性艳黑耐色迁亮面PU处理剂的制备方法,其特征在于包括如下步骤:
1)黑色反应性染料接枝的PU树脂的合成:向3.8m3反应釜中投入200份黑色反应性染料、200份PTMG1000、50份DMPA、15份BDO、400份DMAC搅拌20分钟,升温至60—65℃加入300份H12MDI、0.3份有机铋催化剂升温至90℃后保温6h测NCO%达到理论值降温至50℃加入45份三乙胺、搅拌30分钟卸料,此步得预聚体,所述份数均为重量份数;
2)预聚体分散:向事先加入冷却去离子水的分散釜中缓慢加入预聚体,分散过程中缓慢滴加25重量份的乙二胺,待滴加完毕,降低搅速至500r/m,继续反应4h过滤包装既得半成品;
3)处理剂的复配:向4.5m3双轴分散釜中加入第1、2步合成好的黑色反应性染料接枝的PU树脂、去离子水、润湿剂sloik-8000、流平剂Tego-450、消泡剂,500r/m搅拌30分钟分散均匀,降低搅速至300r/m缓慢加入增稠剂,调节粘度至800—1000cps/25℃,120目滤网过滤包装得成品。
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