CN111455701A - 一种pet涤纶单丝染色工艺 - Google Patents
一种pet涤纶单丝染色工艺 Download PDFInfo
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- 238000004043 dyeing Methods 0.000 title claims abstract description 28
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- 238000010438 heat treatment Methods 0.000 claims abstract description 31
- 238000002791 soaking Methods 0.000 claims abstract description 30
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 30
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- 238000010979 pH adjustment Methods 0.000 claims description 2
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- 239000004902 Softening Agent Substances 0.000 abstract description 6
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- 238000005517 mercerization Methods 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
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Abstract
本发明提出一种PET涤纶单丝染色工艺，包括以下步骤：除油，将PET单丝浸泡在除油剂含量为1.5‑2.5％的水溶液中，升温至35‑40℃的温度，浸泡30‑40min。染色，将除油处理后的PET单丝，浸泡在染液中，染液中含有匀染剂和染料，升温至80‑85℃，保温10min，之后升温至125‑135℃，保温20min，排水。洗水用清水洗去浮色。柔软处理，将清洗后的PET单丝浸泡在柔软剂溶液中，然后升温至40℃，保温20min，排水。本发明提出的PET涤纶单丝染色工艺，可达到客户对PET涤纶单丝不同颜色发要求和高色牢度的灵活小批量定制需求。
Description
技术领域
本发明涉及一种PET涤纶单丝染色工艺。
背景技术
目前市场上的有色PET涤纶(鱼丝线)产品，生产工艺在聚酯原料中加入色母后熔融喷丝成型，色牢度较低，且只适用于大批量生产，无法满足当前市场小批量定制需求。
由原料本色成型的PET涤纶单丝，一般为透明或乳白色并带有丝光，俗称鱼丝线，这类的PET涤纶单丝染色困难，难以达到客户的颜色要求和高色牢度标准。
发明内容
为解决上述问题，本发明提出一种PET涤纶单丝染色工艺，以达到客户对PET涤纶单丝不同颜色发要求和高色牢度的灵活小批量定制需求。
本发明提出一种PET涤纶单丝染色工艺，包括以下步骤：
S1、除油
将PET单丝浸泡在除油剂含量为1.5-2.5％的水溶液中，升温至35-40℃的温度，浸泡30-40min。
S2、染色
S2.1、将除油处理后的PET单丝，浸泡在染液中，染液中按质量百分比，包含有0.4-0.6％的匀染剂和0.5-0.7％的染料，调节pH值至4-5。
S2.2、按1.5℃/min的速度升温至80-85℃，保温10-15min。
S2.3、再按1.5℃/min的速度升温至125-135℃，保温20-25min，然后将处理后的废水排出。
S3、洗水
用清水洗去浮色。
S4、柔软处理
将清洗后的PET单丝浸泡在柔软剂含量为0.4-0.8％的溶液中，然后升温至35-40℃，保温20-25min，然后将处理后的废水排出。
作为本发明的进一步方案，所述除油剂包含有35-40wt.％的表面活性剂。
作为本发明的进一步方案，所述匀染剂，按质量百分比，包含有25％的聚氧烷烯醚硫酸酯盐，45％的乙氧基酯化物，10％的溶剂，20％的水。
作为本发明的进一步方案，所述柔软剂为有机硅油。
作为本发明的进一步方案，步骤S2.1中调节pH为通过加醋酸进行调节。
本发明的有益效果：
本发明提出一种PET涤纶单丝染色工艺，经过本发明的特殊工艺处理，低用量染料即可达到客户的颜色要求和高色牢度标准。且PET丝线为3-5公斤也可操作，满足客户小批量定制需求。
1、本发明的PET涤纶单丝经过除油剂除油后可附着染料进行染色，为高色牢度奠定基础，且选用含有高浓度的表活的除油剂，无需加入强碱，安全有效。
2、本发明的PET涤纶单丝染色过程加入了匀染剂，所述匀染剂包含有25％的聚氧烷烯醚硫酸酯盐，45％的乙氧基酯化物，10％的溶剂，20％的水。配合特殊的升温保温工艺，促使染料均匀分散，染色均匀牢固。
3、本发明对染色后的PET涤纶单丝进行柔软处理，有机硅油的加入，使染色的PET恢复光滑有光泽的表面，且进一步锁住颜料，提高色牢底。
具体实施方式
如下结合具体实施例，对本申请方案作进一步描述：
实施例1
一种PET涤纶单丝染色工艺，包括以下步骤：
S1、除油
将PET单丝浸泡在除油剂含量为2％的水溶液中，升温至40℃的温度，浸泡30min；所述除油剂包含有35-40wt.％的表面活性剂。
S2、染色
S2.1、将除油处理后的PET单丝，浸泡在染液中，染液中按质量百分比，包含有0.5％的匀染剂和0.6％的染料，调节pH值至4-5；所述匀染剂，按质量百分比，包含有25％的聚氧烷烯醚硫酸酯盐，45％的乙氧基酯化物，10％的溶剂，20％的水。
S2.2、按1.5℃/min的速度升温至80℃，保温10min。
S2.3、再按1.5℃/min的速度升温至130℃，保温20min，然后将处理后的废水排出。
S3、洗水
用清水洗去浮色。
S4、柔软处理
将清洗后的PET单丝浸泡在柔软剂含量为0.5％的溶液中，然后升温至40℃，保温20min，然后将处理后的废水排出。所述柔软剂为有机硅油。
实施例2
一种PET涤纶单丝染色工艺，包括以下步骤：
S1、除油
将PET单丝浸泡在除油剂含量为2％的水溶液中，升温至38℃的温度，浸泡35min；所述除油剂包含有35-40wt.％的表面活性剂。
S2、染色
S2.1、将除油处理后的PET单丝，浸泡在染液中，染液中按质量百分比，包含有0.45％的匀染剂和0.6％的染料，调节pH值至4-5；所述匀染剂，按质量百分比，包含有25％的聚氧烷烯醚硫酸酯盐，45％的乙氧基酯化物，10％的溶剂，20％的水。
S2.2、按1.5℃/min的速度升温至85℃，保温10min。
S2.3、再按1.5℃/min的速度升温至125℃，保温25min，然后将处理后的废水排出。
S3、洗水
用清水洗去浮色。
S4、柔软处理
将清洗后的PET单丝浸泡在柔软剂含量为0.6％的溶液中，然后升温至40℃，保温25min，然后将处理后的废水排出。所述柔软剂为有机硅油。
实施例3
一种PET涤纶单丝染色工艺，包括以下步骤：
S1、除油
将PET单丝浸泡在除油剂含量为2.5％的水溶液中，升温至40℃的温度，浸泡30min；所述除油剂包含有35-40wt.％的表面活性剂。
S2、染色
S2.1、将除油处理后的PET单丝，浸泡在染液中，染液中按质量百分比，包含有0.5％的匀染剂和0.7％的染料，调节pH值至4-5；所述匀染剂，按质量百分比，包含有25％的聚氧烷烯醚硫酸酯盐，45％的乙氧基酯化物，10％的溶剂，20％的水。
S2.2、按1.5℃/min的速度升温至80℃，保温10min。
S2.3、再按1.5℃/min的速度升温至130℃，保温20min，然后将处理后的废水排出。
S3、洗水
用清水洗去浮色。
S4、柔软处理
将清洗后的PET单丝浸泡在柔软剂含量为0.6％的溶液中，然后升温至40℃，保温20min，然后将处理后的废水排出。所述柔软剂为有机硅油。
对比例1
一种PET涤纶单丝染色工艺，包括以下步骤：
S1、除油
将PET单丝浸泡在除油剂含量为2％的水溶液中，升温至40℃的温度，浸泡30min；所述除油剂包含有35-40wt.％的表面活性剂。
S2、染色
S2.1、将除油处理后的PET单丝，浸泡在染液中，染液中按质量百分比，包含有0.6％的染料，调节pH值至4-5。
S2.2、快速升温(10℃/min)至80℃，保温10min。
S2.3、快速升温(10℃/min)至130℃，保温20min，然后将处理后的废水排出。
S3、洗水
用清水洗去浮色。
S4、柔软处理
将清洗后的PET单丝浸泡在柔软剂含量为0.5％的溶液中，然后升温至40℃，保温20min，然后将处理后的废水排出。
对比例2
一种PET涤纶单丝染色工艺，包括以下步骤：
S1、染色
S1.1、将除油处理后的PET单丝，浸泡在染液中，染液中按质量百分比，包含有0.5％的匀染剂和0.6％的染料，调节pH值至4-5；所述匀染剂，按质量百分比，包含有25％的聚氧烷烯醚硫酸酯盐，45％的乙氧基酯化物，10％的溶剂，20％的水。
S1.2、按1.5℃/min的速度升温至80℃，保温10min。
S1.3、再按1.5℃/min的速度升温至130℃，保温20min，然后将处理后的废水排出。
S2、洗水
用清水洗去浮色。
S3、柔软处理
在将清洗后的PET单丝浸泡在柔软剂含量为0.5％的溶液中，然后升温至40℃，保温20min，然后将处理后的废水排出。所述柔软剂为有机硅油。
将实施例1-3与对比例1和对比例2的染色工艺染色的PET涤纶单丝进行性能测试：
一、上染率和固色率
表1
二、按照GB/T3921-2008《纺织品色牢度试验耐洗色牢度》、GB/T3920-2008《纺织品色牢度试验耐摩擦色牢度》、GB/T5712-1997《纺织品色牢度试验耐有机溶剂摩擦色牢度、GB/T5718-1997纺织品色牢度试验耐干热(热压除外)色牢度，进行色牢度测试，测试结果如下表2。
表2
上述优选实施方式应视为本申请方案实施方式的举例说明，凡与本申请方案雷同、近似或以此为基础作出的技术推演、替换、改进等，均应视为本专利的保护范围。
Claims (5)
1.一种PET涤纶单丝的染色工艺，其特征在于，包括以下步骤：
S1、除油
将PET单丝浸泡在除油剂含量为1.5-2.5％的水溶液中，升温至35-40℃的温度，浸泡30-40min；
S2、染色
S2.1、将除油处理后的PET单丝，浸泡在染液中，染液中按质量百分比，包含有0.4-0.6％的匀染剂和0.5-0.7％的染料，调节pH值至4-5；
S2.2、按1.5℃/min的速度升温至80-85℃，保温10-15min；
S2.3、再按1.5℃/min的速度升温至125-135℃，保温20-25min，然后将处理后的废水排出；
S3、洗水
用清水洗去浮色；
S4、柔软处理
将清洗后的PET单丝浸泡在柔软剂含量为0.4-0.8％的溶液中，然后升温至35-40℃，保温20-25min，然后将处理后的废水排出。
2.根据权利要求1所述的PET涤纶单丝的染色工艺，其特征在于，所述除油剂包含有35-40wt.％的表面活性剂。
3.根据权利要求1所述的PET涤纶单丝染色工艺，其特征在于，所述匀染剂，按质量百分比，包含有25％的聚氧烷烯醚硫酸酯盐，45％的乙氧基酯化物，10％的溶剂，20％的水。
4.根据权利要求1所述的PET涤纶单丝染色工艺，其特征在于，所述柔软剂为有机硅油。
5.根据权利要求1所述的PET涤纶单丝染色工艺，其特征在于，步骤S2.1中调节pH为通过加醋酸进行调节。
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