CN116516666A - 一种梭织涤纶布节能环保染色工艺 - Google Patents
一种梭织涤纶布节能环保染色工艺 Download PDFInfo
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Abstract
本发明公开的一种梭织涤纶布节能环保染色工艺,涉及纺织品染整加工领域。本发明的梭织涤纶布染色工艺,依次包括以下工艺步骤:(1)梭织涤纶布的预处理:先将梭织涤纶布进行皂洗,然后放入氯仿中进行二次洗涤,再放入漂白剂进行漂白,得到预处理的梭织涤纶布;(2)梭织涤纶布的染色:向预处理的梭织涤纶布中加入自制染色微粒,静置、沉积,反应得到染色的梭织涤纶布;其中,自制染色微粒是由氨基聚二甲基硅氧烷、氨基丙基三甲氧基硅烷反应聚合包裹在染色剂外部得到。本发明染色的梭织涤纶布柔顺性较好、色牢度较好、抗皱性较好。
Description
技术领域
本发明涉及纺织品染整加工领域,具体为一种梭织涤纶布节能环保染色工艺。
背景技术
涤纶,即聚酯纤维,于1941年发明,是合成纤维中的一个重要品种。涤纶是以精对苯二甲酸(PTA)或对苯二甲酸二甲酯(DMT)和乙二醇(MEG)为原料经酯化或酯交换和缩聚反应而制得的成纤高聚物,经纺丝和后处理制成的纤维。涤纶纤维的超分子结构为部分结晶,其晶体结构内的涤纶分子链段相互平行,大多呈反式构象,而无定形区的分子链段多呈顺式构象由于涤纶纤维具有结晶结构,因此分子排列相对紧密,纤维具有良好的力学性能及生物力学,弹性模量较高,耐摩擦性良好,制得的织物具有优良纺织服用性能、形态挺括等特性。
然而涤纶纤维的疏水性较强,吸湿性较差,纯涤纶布尤为如此;加之,涤纶分子结构和组成中缺少活性基团,不能像纤维素纤维和蛋白质纤维那样迅速能与染料发生结合,使得染料快速上染至纤维,因此涤纶纤维的染色条件更为苛刻。且自上世纪80年代,随着涤纶差别化纤维的迅猛发展,针对涤纶超细旦纤维,由于在加工过程中使用了大量的油剂,且由于纤维纤度细、结晶度高、表面光滑、比表面积大、几乎没有反应性基团,很难染色等问题,得涤纶纤维在染色过程中更容易出现问题。现有的方法是采用分散染料对涤纶纤维进行染色,染色后涤纶布的柔顺性较差、色牢度较差。
因此,亟需对涤纶布染色工艺进行改进,来制备柔顺性较好、色牢度较好、抗皱性较好的梭织涤纶布。
发明内容
为解决现有技术中存在的问题,本发明提供了一种梭织涤纶布节能环保染色工艺,所述染色工艺依次包括以下工艺步骤:
(1)梭织涤纶布的预处理:先将梭织涤纶布进行皂洗,然后放入氯仿中进行二次洗涤,再放入漂白剂进行漂白,得到预处理的梭织涤纶布;
(2)梭织涤纶布的染色:向预处理的梭织涤纶布中加入自制染色微粒,静置、沉积,反应得到染色的梭织涤纶布。
进一步的,步骤(1)所述梭织涤纶布的皂洗步骤如下:将梭织涤纶布、皂洗液按质量比1:10~30混合,以1~3℃/mi n升温至50~70℃皂洗10~30mi n,调节溶液pH至6.5~7.5,继续洗涤10~30mi n,随后漂洗2~4次,自然晾干,得到皂洗后的梭织涤纶布。
进一步的,所述皂洗液中水和皂洗剂的质量比为1:0.003~0.004。
进一步的,步骤(1)所述二次洗涤的步骤如下:将皂洗后的梭织涤纶布、氯仿按质量比1:10~30混合,以30~40kHz超声洗涤30~40mi n,得到二次洗涤的梭织涤纶布。
进一步的,步骤(1)所述漂白的步骤如下:在0.2~0.4MPa下,向二次洗涤的梭织涤纶布中加入其质量0.6~0.8倍的漂白剂,以1~3℃/mi n的升温速率升温至85~95℃保温40~50mi n进行精炼漂白,自然冷却至室温,得到预处理的梭织涤纶布。
进一步的,所述漂白剂为过氧化氢。
进一步的,步骤(2)所述梭织涤纶布的染色的工艺步骤如下:将预处理的梭织涤纶布质量10~20倍的自制染色微粒加入预处理的梭织涤纶布中,以30~40kHz超声4~6mi n,以1~3℃/mi n升温至60~80℃,保温静置2~4h后,翻面,继续超声4~6mi n,继续保温静置2~4h,捞出,在40~60℃下烘4~6h,依次用乙醇、去离子水洗涤2~4次,得到染色的梭织涤纶布。
进一步的,所述自制染色微粒的制备步骤如下:将氨值为0.1~0.6的氨基聚二甲基硅氧烷、正庚烷按质量比1:80~120混合,以2600~2800r/mi n剪切10~20mi n,随后加入正庚烷质量0.2~0.4倍的染色剂,继续剪切30~50mi n,随后以20~40滴/mi n滴加正庚烷质量0.28~0.3倍氨基丙基三甲氧基硅烷和正庚烷质量0.3~0.34倍的质量分数为70~90%的乙醇溶液,继续剪切30~50mi n,捞出,以60~80℃烘12~14h,制得自制染色微粒。
进一步的,所述染色剂包括S-4RL黄棕染料、BCT黑染料。
进一步的,所述步骤(1)、步骤(2)均在惰性气体条件下进行。
与现有技术相比,本发明所达到的有益效果是:
本发明的梭织涤纶布节能环保染色工艺,先将梭织涤纶布进行皂洗,然后放入氯仿中进行二次洗涤,再放入漂白剂过氧化氢进行漂白,得到预处理的梭织涤纶布;接着向预处理的梭织涤纶布中加入自制染色微粒,静置、沉积,反应得到染色的梭织涤纶布;其中,自制染色微粒是由氨基聚二甲基硅氧烷、氨基丙基三甲氧基硅烷反应聚合包裹在染色剂外部得到。
二次洗涤时采用三氯甲烷将梭织涤纶布中纤维表面的油剂等物质溶出,在梭织涤纶布的纤维表面形成大量坑道,随后采用双氧水对梭织涤纶布进行预处理,一方面,双氧水对梭织涤纶布进行漂白处理,另一方面,双氧水在梭织涤纶布的纤维表面形成大量羟基等自由基,部分三氯甲烷和部分双氧水反应,形成大量光气,自制染色微粒表面的氨基和光气反应形成异氰酸酯,自制染色微粒沉积到梭织涤纶布中纤维表面的坑道中其表面异氰酸酯和梭织涤纶布表面羟基反应,形成聚氨酯,将染色剂均匀、稳固地附着在梭织涤纶布表面,增强了梭织涤纶布的色牢度和抗皱性能。
具体实施方式
下面将结合本发明实施例,对本发明实施例中的技术方案进行清楚、完整地描述,显然,所描述的实施例仅仅是本发明一部分实施例,而不是全部的实施例。基于本发明中的实施例,本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例,都属于本发明保护的范围。
为了更清楚的说明本发明提供的方法通过以下实施例进行详细说明,在将以下实施例中染色的梭织涤纶布的各指标测试方法如下:
色牢度:取实施例和对比例染色的梭织涤纶布,按照GB/T3921测试色牢度。
抗皱性:取实施例和对比例染色的梭织涤纶布,按照GB/T3819标准测试抗皱性。
实施例1
一种梭织涤纶布节能环保染色工艺,所述染色工艺依次包括以下工艺步骤:
(1)梭织涤纶布的预处理:在氩气条件下,将梭织涤纶布、水和皂洗剂的质量比为1:0.003的皂洗液按质量比1:10混合,以1℃/mi n升温至50℃皂洗10mi n,调节溶液pH至6.5,继续洗涤10mi n,随后漂洗2次,自然晾干,得到皂洗后的梭织涤纶布;将皂洗后的梭织涤纶布、氯仿按质量比1:10混合,以30kHz超声洗涤30mi n,得到二次洗涤的梭织涤纶布;在0.2MPa下,向二次洗涤的梭织涤纶布中加入其质量0.6倍的漂白剂过氧化氢,以1℃/mi n的升温速率升温至85℃保温40mi n进行精炼漂白,自然冷却至室温,得到预处理的梭织涤纶布;
(2)将氨值为0.1的氨基聚二甲基硅氧烷、正庚烷按质量比1:80混合,以2600r/min剪切10mi n,随后加入正庚烷质量0.2倍的染色剂S-4RL黄棕染料,继续剪切30mi n,随后以20滴/mi n滴加正庚烷质量0.28倍氨基丙基三甲氧基硅烷和正庚烷质量0.3倍的质量分数为70%的乙醇溶液,继续剪切30mi n,捞出,以60℃烘12h,制得自制染色微粒;
(3)梭织涤纶布的染色:在氩气条件下,将预处理的梭织涤纶布质量10倍的自制染色微粒加入预处理的梭织涤纶布中,以30kHz超声4mi n,以1℃/mi n升温至60℃,保温静置2h后,翻面,继续超声4mi n,继续保温静置2h,捞出,在40℃下烘4h,依次用乙醇、去离子水洗涤2次,得到染色的梭织涤纶布。
实施例2
一种梭织涤纶布节能环保染色工艺,所述染色工艺依次包括以下工艺步骤:
(1)梭织涤纶布的预处理:在氩气条件下,将梭织涤纶布、水和皂洗剂的质量比为1:0.0035的皂洗液按质量比1:20混合,以2℃/mi n升温至60℃皂洗20mi n,调节溶液pH至7,继续洗涤20mi n,随后漂洗3次,自然晾干,得到皂洗后的梭织涤纶布;将皂洗后的梭织涤纶布、氯仿按质量比1:20混合,以35kHz超声洗涤35mi n,得到二次洗涤的梭织涤纶布;在0.3MPa下,向二次洗涤的梭织涤纶布中加入其质量0.7倍的漂白剂过氧化氢,以2℃/mi n的升温速率升温至90℃保温45mi n进行精炼漂白,自然冷却至室温,得到预处理的梭织涤纶布;
(2)将乳化剂氨值为0.35的氨基聚二甲基硅氧烷、正庚烷按质量比1:100混合,以2700r/mi n剪切15mi n,随后加入正庚烷质量0.3倍的染色剂S-4RL黄棕染料,继续剪切40mi n,随后以30滴/mi n滴加正庚烷质量0.29倍氨基丙基三甲氧基硅烷和正庚烷质量0.32倍的质量分数为80%的乙醇溶液,继续剪切40mi n,捞出,以70℃烘13h,制得自制染色微粒;
(3)梭织涤纶布的染色:在氩气条件下,将预处理的梭织涤纶布质量15倍的自制染色微粒加入预处理的梭织涤纶布中,以35kHz超声5mi n,以2℃/mi n升温至70℃,保温静置3h后,翻面,继续超声5mi n,继续保温静置3h,捞出,在50℃下烘5h,依次用乙醇、去离子水洗涤3次,得到染色的梭织涤纶布。
实施例3
一种梭织涤纶布节能环保染色工艺,所述染色工艺依次包括以下工艺步骤:
(1)梭织涤纶布的预处理:在氩气条件下,将梭织涤纶布、水和皂洗剂的质量比为1:0.004的皂洗液按质量比1:30混合,以3℃/mi n升温至70℃皂洗30mi n,调节溶液pH至7.5,继续洗涤30mi n,随后漂洗4次,自然晾干,得到皂洗后的梭织涤纶布;将皂洗后的梭织涤纶布、氯仿按质量比1:30混合,以40kHz超声洗涤40mi n,得到二次洗涤的梭织涤纶布;在0.4MPa下,向二次洗涤的梭织涤纶布中加入其质量0.8倍的漂白剂过氧化氢,以3℃/mi n的升温速率升温至95℃保温50mi n进行精炼漂白,自然冷却至室温,得到预处理的梭织涤纶布;
(2)将氨值为0.6的氨基聚二甲基硅氧烷、正庚烷按质量比1:120混合,以2800r/min剪切20mi n,随后加入正庚烷质量0.4倍的染色剂S-4RL黄棕染料,继续剪切50mi n,随后以40滴/mi n滴加正庚烷质量0.3倍氨基丙基三甲氧基硅烷和正庚烷质量0.34倍的质量分数为90%的乙醇溶液,继续剪切50mi n,捞出,以80℃烘14h,制得自制染色微粒;
(3)梭织涤纶布的染色:在氩气条件下,将预处理的梭织涤纶布质量20倍的自制染色微粒加入预处理的梭织涤纶布中,以40kHz超声6mi n,以3℃/mi n升温至80℃,保温静置4h后,翻面,继续超声6mi n,继续保温静置4h,捞出,在60℃下烘6h,依次用乙醇、去离子水洗涤4次,得到染色的梭织涤纶布。
对比例1
一种梭织涤纶布节能环保染色工艺,所述染色工艺依次包括以下工艺步骤:
(1)梭织涤纶布的预处理:在氩气条件下,将梭织涤纶布、水和皂洗剂的质量比为1:0.0035的皂洗液按质量比1:20混合,以2℃/mi n升温至60℃皂洗20mi n,调节溶液pH至7,继续洗涤20mi n,随后漂洗3次,自然晾干,得到皂洗后的梭织涤纶布;将皂洗后的梭织涤纶布、水按质量比1:20混合,以35kHz超声洗涤35min,得到二次洗涤的梭织涤纶布;在0.3MPa下,向二次洗涤的梭织涤纶布中加入其质量0.7倍的漂白剂过氧化氢,以2℃/mi n的升温速率升温至90℃保温45mi n进行精炼漂白,自然冷却至室温,得到预处理的梭织涤纶布;
(2)将乳化剂氨值为0.35的氨基聚二甲基硅氧烷、正庚烷按质量比1:100混合,以2700r/mi n剪切15mi n,随后加入正庚烷质量0.3倍的染色剂S-4RL黄棕染料,继续剪切40mi n,随后以30滴/mi n滴加正庚烷质量0.29倍氨基丙基三甲氧基硅烷和正庚烷质量0.32倍的质量分数为80%的乙醇溶液,继续剪切40mi n,捞出,以70℃烘13h,制得自制染色微粒;
(3)梭织涤纶布的染色:在氩气条件下,将预处理的梭织涤纶布质量15倍的自制染色微粒加入预处理的梭织涤纶布中,以35kHz超声5mi n,以2℃/mi n升温至70℃,保温静置3h后,翻面,继续超声5mi n,继续保温静置3h,捞出,在50℃下烘5h,依次用乙醇、去离子水洗涤3次,得到染色的梭织涤纶布。
对比例2
一种梭织涤纶布节能环保染色工艺,所述染色工艺依次包括以下工艺步骤:
(1)梭织涤纶布的预处理:在氩气条件下,将梭织涤纶布、水和皂洗剂的质量比为1:0.0035的皂洗液按质量比1:20混合,以2℃/mi n升温至60℃皂洗20mi n,调节溶液pH至7,继续洗涤20mi n,随后漂洗3次,自然晾干,得到皂洗后的梭织涤纶布;将皂洗后的梭织涤纶布、氯仿按质量比1:20混合,以35kHz超声洗涤35mi n,得到二次洗涤的梭织涤纶布;在0.3MPa下,向二次洗涤的梭织涤纶布中加入其质量0.7倍的漂白剂次氯酸,以2℃/mi n的升温速率升温至90℃保温45mi n进行精炼漂白,自然冷却至室温,得到预处理的梭织涤纶布;
(2)将乳化剂氨值为0.35的氨基聚二甲基硅氧烷、正庚烷按质量比1:100混合,以2700r/mi n剪切15mi n,随后加入正庚烷质量0.3倍的染色剂S-4RL黄棕染料,继续剪切40mi n,随后以30滴/mi n滴加正庚烷质量0.29倍氨基丙基三甲氧基硅烷和正庚烷质量0.32倍的质量分数为80%的乙醇溶液,继续剪切40mi n,捞出,以70℃烘13h,制得自制染色微粒;
(3)梭织涤纶布的染色:在氩气条件下,将预处理的梭织涤纶布质量15倍的自制染色微粒加入预处理的梭织涤纶布中,以35kHz超声5mi n,以2℃/mi n升温至70℃,保温静置3h后,翻面,继续超声5mi n,继续保温静置3h,捞出,在50℃下烘5h,依次用乙醇、去离子水洗涤3次,得到染色的梭织涤纶布。
对比例3
一种梭织涤纶布节能环保染色工艺,所述染色工艺依次包括以下工艺步骤:
(1)梭织涤纶布的预处理:在氩气条件下,将梭织涤纶布、水和皂洗剂的质量比为1:0.0035的皂洗液按质量比1:20混合,以2℃/mi n升温至60℃皂洗20mi n,调节溶液pH至7,继续洗涤20mi n,随后漂洗3次,自然晾干,得到皂洗后的梭织涤纶布;将皂洗后的梭织涤纶布、氯仿按质量比1:20混合,以35kHz超声洗涤35mi n,得到二次洗涤的梭织涤纶布;在0.3MPa下,向二次洗涤的梭织涤纶布中加入其质量0.7倍的漂白剂过氧化氢,以2℃/mi n的升温速率升温至90℃保温45mi n进行精炼漂白,自然冷却至室温,得到预处理的梭织涤纶布;
(2)将乳化剂氨值为0.35的氨基聚二甲基硅氧烷、正庚烷按质量比1:100混合,以2700r/mi n剪切15mi n,随后加入正庚烷质量0.3倍的染色剂S-4RL黄棕染料,继续剪切40mi n,随后以30滴/mi n滴加正庚烷质量0.32倍的质量分数为80%的乙醇溶液,继续剪切40mi n,捞出,以70℃烘13h,制得自制染色微粒;
(3)梭织涤纶布的染色:在氩气条件下,将预处理的梭织涤纶布质量15倍的自制染色微粒加入预处理的梭织涤纶布中,以35kHz超声5mi n,以2℃/mi n升温至70℃,保温静置3h后,翻面,继续超声5mi n,继续保温静置3h,捞出,在50℃下烘5h,依次用乙醇、去离子水洗涤3次,得到染色的梭织涤纶布。
对比例4
一种梭织涤纶布节能环保染色工艺,所述染色工艺依次包括以下工艺步骤:
(1)梭织涤纶布的预处理:在氩气条件下,将梭织涤纶布、水和皂洗剂的质量比为1:0.0035的皂洗液按质量比1:20混合,以2℃/mi n升温至60℃皂洗20mi n,调节溶液pH至7,继续洗涤20mi n,随后漂洗3次,自然晾干,得到皂洗后的梭织涤纶布;将皂洗后的梭织涤纶布、氯仿按质量比1:20混合,以35kHz超声洗涤35mi n,得到二次洗涤的梭织涤纶布;在0.3MPa下,向二次洗涤的梭织涤纶布中加入其质量0.7倍的漂白剂过氧化氢,以2℃/mi n的升温速率升温至90℃保温45mi n进行精炼漂白,自然冷却至室温,得到预处理的梭织涤纶布;
(2)梭织涤纶布的染色:在氩气条件下,将预处理的梭织涤纶布质量15倍的染色剂加入预处理的梭织涤纶布中,以35kHz超声5mi n,以2℃/mi n升温至70℃,保温静置3h后,翻面,继续超声5mi n,继续保温静置3h,捞出,在50℃下烘5h,依次用乙醇、去离子水洗涤3次,得到染色的梭织涤纶布。
效果例
下表1给出了采用本发明实施例1至3与对比例1至4染色的梭织涤纶布的色牢度、抗皱性的分析结果。
表1
从表1中可发现实施例1、2、3制得的梭织涤纶布的色牢度、抗皱性较好;从实施例1、2、3和对比例1的实验数据比较可发现,采用氯仿进行二次洗涤,染色的梭织涤纶布的色牢度、抗皱性较好;从实施例1、2、3和对比例2的实验数据比较可发现,采用过氧化氢进行漂白,制得的梭织涤纶布的色牢度、抗皱性较好;从实施例1、2、3和对比例3、4的实验数据比较可发现,采用乳化剂氨基聚二甲基硅氧烷和氨基丙基三甲氧基硅烷制备自制染色微粒,染色的梭织涤纶布的色牢度、抗皱性较好。
对于本领域技术人员而言,显然本发明不限于上述示范性实施例的细节,而且在不背离本发明的精神或基本特征的情况下,能够以其他的具体形式实现本发明。因此,无论从哪一点来看,均应将实施例看作是示范性的,而且是非限制性的,本发明的范围由所附权利要求而不是上述说明限定,因此旨在将落在权利要求的等同要件的含义和范围内的所有变化囊括在本发明内。不应将权利要求中的任何标记视为限制所涉及的权利要求。
Claims (10)
1.一种梭织涤纶布节能环保染色工艺,其特征在于,所述染色工艺依次包括以下工艺步骤:
(1)梭织涤纶布的预处理:先将梭织涤纶布进行皂洗,然后放入氯仿中进行二次洗涤,再放入漂白剂进行漂白,得到预处理的梭织涤纶布;
(2)梭织涤纶布的染色:向预处理的梭织涤纶布中加入自制染色微粒,静置、沉积,反应得到染色的梭织涤纶布。
2.根据权利要求1所述的梭织涤纶布节能环保染色工艺,其特征在于,步骤(1)所述梭织涤纶布的皂洗步骤如下:将梭织涤纶布、皂洗液按质量比1:10~30混合,以1~3℃/min升温至50~70℃皂洗10~30min,调节溶液pH至6.5~7.5,继续洗涤10~30min,随后漂洗2~4次,自然晾干,得到皂洗后的梭织涤纶布。
3.根据权利要求1所述的梭织涤纶布节能环保染色工艺,其特征在于,步骤(1)所述二次洗涤的步骤如下:将皂洗后的梭织涤纶布、氯仿按质量比1:10~30混合,以30~40kHz超声洗涤30~40min,得到二次洗涤的梭织涤纶布。
4.根据权利要求1所述的梭织涤纶布节能环保染色工艺,其特征在于,步骤(1)所述漂白的步骤如下:在0.2~0.4MPa下,向二次洗涤的梭织涤纶布中加入其质量0.6~0.8倍的漂白剂,以1~3℃/min的升温速率升温至85~95℃保温40~50min进行精炼漂白,自然冷却至室温,得到预处理的梭织涤纶布。
5.根据权利要求4所述的梭织涤纶布节能环保染色工艺,其特征在于,所述漂白剂为过氧化氢。
6.根据权利要求1所述的梭织涤纶布节能环保染色工艺,其特征在于,步骤(2)所述梭织涤纶布的染色的工艺步骤如下:将预处理的梭织涤纶布质量10~20倍的自制染色微粒加入预处理的梭织涤纶布中,以30~40kHz超声4~6min,以1~3℃/min升温至60~80℃,保温静置2~4h后,翻面,继续超声4~6min,继续保温静置2~4h,捞出,在40~60℃下烘4~6h,依次用乙醇、去离子水洗涤2~4次,得到染色的梭织涤纶布。
7.根据权利要求6所述的梭织涤纶布节能环保染色工艺,其特征在于,所述自制染色微粒的制备步骤如下:将氨基聚二甲基硅氧烷、正庚烷按质量比1:80~120混合,以2600~2800r/min剪切10~20min,随后加入正庚烷质量0.2~0.4倍的染色剂,继续剪切30~50min,随后以20~40滴/min滴加正庚烷质量0.28~0.3倍氨基丙基三甲氧基硅烷和正庚烷质量0.3~0.34倍的质量分数为70~90%的乙醇溶液,继续剪切30~50min,捞出,以60~80℃烘12~14h,制得自制染色微粒。
8.根据权利要求7所述的梭织涤纶布节能环保染色工艺,其特征在于,所述染色剂包括S-4RL黄棕染料、BCT黑染料。
9.根据权利要求7所述的梭织涤纶布节能环保染色工艺,其特征在于,所述氨基聚二甲基硅氧烷的氨值为0.1~0.6。
10.根据权利要求1所述的梭织涤纶布节能环保染色工艺,其特征在于,所述步骤(1)、步骤(2)均在惰性气体条件下进行。
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