CN114703679A - 一种涤纶纤维面料的染色还原清洗工艺 - Google Patents
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Abstract
本发明涉及一种涤纶纤维面料的染色还原清洗工艺,它包括分散染料中染料分子的溶解,扩散及上染和染色后残余染料的还原清洗。本发明的分散染料疏水性较强,染料分子进入涤纶纤维后,随着染液温度的升高染料的溶解度也跟随提高,在涤纶纤维内部进行扩散而上染,牢度好,节能减排。
Description
技术领域
本发明属于纺织服装面料行业染整技术领域,具体涉及一种涤纶纤维的染色还原清洗工艺。
背景技术
涤纶纤维面料是生活中一种常用的化纤服装面料,其优点是优越的性和很好的保形性能,因此适合做各种健身服,运动服,居家服,户外登山服等服装,用涤纶纤维生产的服装面料回弹性好,强度高,透气性好,耐光照牢度及耐腐蚀性能较好,由于涤纶纤维的吸湿性较差,所以其染色难度较高,还原清洗对染色牢度的影响大,传统的染色工艺及还原清洗工艺比较复杂且牢度不够理想,这不仅给工厂生产中带来繁琐的工作,也造成了水,电,蒸汽等能源的消耗,同时也增加了污水中COD值,含磷含氮总量等污染源的排放,给污水处理增加了很多的负担。
发明内容
发明目的:本发明的目的是为了克服现有技术中的不足,提供一种分散染料疏水性较强,染料分子进入涤纶纤维后,随着染液温度的升高染料的溶解度也跟随提高,在涤纶纤维内部进行扩散而上染,牢度好,节能减排的涤纶纤维面料的染色还原清洗工艺。
技术方案:为了解决上述技术问题,本发明所述的一种涤纶纤维面料的染色还原清洗工艺,它包括分散染料中染料分子的溶解,扩散及上染和染色后残余染料的还原清洗。
具体为,升温60℃快速加入除油剂1g/L,匀染剂0.5g/L,浓度98%冰醋酸0.5g/L,调节PH值4-4.5;
加入分散染料匀速加入5分钟运行5分钟;
然后升温以每分钟升3℃的速度升温至90℃再以每分钟升2℃的速度升温至130℃保温30分钟;
以每分钟降2℃的速度降温至85℃不要排水做还原清洗;
调节PH值4-4.5加入酸性还原清洗剂2g/L 匀速加入10分钟保温20分钟;
以每分钟降2℃的速度降至60℃排水;
再进水洗冷水一次10分钟,工艺结束,打开缸盖出布,产品成型。
进一步地,所述分散染料是分子型染料。
本发明中,涤纶纤维属于聚酯纤维,涤纶纤维分子中没有亲水基团,固吸湿性能差,疏水性很强,涤纶纱线的分子排列整齐,结晶度高,纤维分子间的空隙小。涤纶属于热塑型纤维,其玻璃化温度随纤维结晶度的增加而提高,由于涤纶纤维的高疏水性,要求染料具有与纤维相对应的疏水性能,故不能采用含有水溶性基团的水溶性染料染色,而应采用疏水性较强的非离子性分散染料染色。而且涤纶纤维的分子结构紧密,故所使用的分散染料必须分子结构简单,相对分子质量要小。
有益效果:本发明与现有技术相比,其显著优点是:本发明中包括分散染料中染料分子的溶解,扩散及上染和染色后残余染料的还原清洗,分散染料是分子型染料,即在染料分子结构中不含水溶性基团,因此在水中只有微小的溶解度,分散染料的低水溶性是一个十分重要的性质,染料分子进入涤纶纤维后,随着染液温度的升高染料的溶解度也跟随提高,在涤纶纤维内部进行扩散而上染,牢度好,本工艺通过了解涤纶纤维的性能及分散染料的特点合理规划染色工艺及流程,改变以往的复杂工艺,以达到节能减排的效果,经过反复试验与测试各项指标均达到国家标准及国际通用标准。
具体实施方式
下面结合实施例对本发明作进一步的说明。
实施例
本工艺的布重为1128Kg,总用水量为5100L:
1g/L 除油剂 5.1 Kg,
0.5g/L 匀染剂 2.55 Kg,
0.5g/L 冰醋酸 2.55 Kg,
0.72% 分散橙 8121.6g,
0.35% 分散红玉 3948g,
2.05% 分散黑 23124g,
130℃X30分,
先入布进高温染色缸锁紧缸盖;
升温60℃快速加入除油剂,匀染剂,浓度98%冰醋酸,调节PH值4-4.5;
加入分散染料匀速加入5分钟运行5分钟;
然后升温以每分钟升3℃的速度升温至90℃再以每分钟升2℃的速度升温至130℃保温30分钟;
以每分钟降2℃的速度降温至85℃不要排水做还原清洗;
调节PH值4-4.5加入酸性还原清洗剂2g/L 共10.2Kg,匀速加入10分钟保温20分钟;
以每分钟降2℃的速度降至60℃排水;
再进水洗冷水一次10分钟,工艺结束,打开缸盖出布,产品成型。
其中染料按布重来计,助剂按水量来计。
本发明中包括分散染料中染料分子的溶解,扩散及上染和染色后残余染料的还原清洗,分散染料是分子型染料,即在染料分子结构中不含水溶性基团,因此在水中只有微小的溶解度,分散染料的低水溶性是一个十分重要的性质,染料分子进入涤纶纤维后,随着染液温度的升高染料的溶解度也跟随提高,在涤纶纤维内部进行扩散而上染,牢度好,本工艺通过了解涤纶纤维的性能及分散染料的特点合理规划染色工艺及流程,改变以往的复杂工艺,以达到节能减排的效果,经过反复试验与测试各项指标均达到国家标准及国际通用标准。
对比例
原工艺如下:
1、先入布进高温染色缸锁紧缸盖,
2、升温60℃加入除油剂1g/L精炼剂1g/L
3、以每分钟升2℃的速度升温至95℃保温30分钟,
4、再以每分钟降2℃的速度降至60℃排水,
5、进水洗冷水一次10分钟排水,把布面油污先清洗干净再进水染色,
6、染色时先升温60℃快速加入匀染剂1g/L,浓度98%冰醋酸0.5g/L,调节PH值4-4.5
7、加入分散染料匀速加入10分钟运行10分钟,
8、然后升温以每分钟升1.5℃的速度升温至130℃保温30分钟.
9、以每分钟降1.5℃的速度降温至60℃打开缸盖取样排水,
10、进水还原清洗,升温60℃加入液体烧碱NaOH 4g/L匀速加入10分钟,
11、升温70℃加入保险粉Na2S2O4 4g/L匀速加入10分钟,
12、以每分钟升2℃的速度升温至95℃保温30分钟,
13、以每分钟降1.5℃的速度降至60℃排水,
14、进水快速加入浓度98%冰醋酸1g/L冷行10分钟中和后排水,
15、进水以每分钟升2℃的速度升温至80℃保温10分钟清洗布面,
16、以每分钟降1.5℃的速度降至60℃排水,
17、进水洗冷水一次10分钟,工艺结束,打开缸盖出布,产品成型。
传统的染色工艺及还原清洗工艺比较复杂且牢度不够理想,这不仅给工厂生产中带来繁琐的工作,也造成了水,电,蒸汽等能源的消耗,同时也增加了污水中COD值,含磷含氮总量等污染源的排放,给污水处理增加了很多的负担。
本发明提供了一种思路及方法,具体实现该技术方案的方法和途径很多,以上所述仅是本发明的优选实施方式,应当指出,对于本技术领域的普通技术人员来说,在不脱离本发明原理的前提下,还可以做出若干改进和润饰,这些改进和润饰也应视为本发明的保护范围,本实施例中未明确的各组成部分均可用现有技术加以实现。
Claims (3)
1.一种涤纶纤维面料的染色还原清洗工艺,其特征在于:它包括分散染料中染料分子的溶解,扩散及上染和染色后残余染料的还原清洗。
2.根据权利要求1所述的涤纶纤维面料的染色还原清洗工艺,其特征在于:
先入布进高温染色缸锁紧缸盖;
升温60℃快速加入除油剂1g/L,匀染剂0.5g/L,浓度98%冰醋酸0.5g/L,调节PH值4-4.5;
加入分散染料匀速加入5分钟运行5分钟;
然后升温以每分钟升3℃的速度升温至90℃再以每分钟升2℃的速度升温至130℃保温30分钟;
以每分钟降2℃的速度降温至85℃不要排水做还原清洗;
调节PH值4-4.5加入酸性还原清洗剂2g/L 匀速加入10分钟保温20分钟;
以每分钟降2℃的速度降至60℃排水;
再进水洗冷水一次10分钟,工艺结束,打开缸盖出布,产品成型。
3.根据权利要求1所述的涤纶纤维面料的染色还原清洗工艺,其特征在于:所述分散染料是分子型染料。
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CN104775311A (zh) * | 2015-04-23 | 2015-07-15 | 南通碧曼家纺有限公司 | 一种涤纶纱染色工艺 |
CN109403098A (zh) * | 2018-11-27 | 2019-03-01 | 绍兴高温印染有限公司 | 涤纶针织面料高色牢度少水印染工艺 |
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CN102864661A (zh) * | 2012-07-23 | 2013-01-09 | 上海嘉乐股份有限公司 | 一种涤纶前处理染色清洗柔软一浴加工方法 |
CN104775311A (zh) * | 2015-04-23 | 2015-07-15 | 南通碧曼家纺有限公司 | 一种涤纶纱染色工艺 |
CN109403098A (zh) * | 2018-11-27 | 2019-03-01 | 绍兴高温印染有限公司 | 涤纶针织面料高色牢度少水印染工艺 |
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Title |
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