温摩牢度提升剂CW的研制与应用
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摘要
活性染料是纤维素纤维染色的主要染料,但活性染料的湿摩牢度很低。虽然国际标准及国内标准都规定湿摩牢度2-3级即可达标,但近年来消费者对湿摩牢度的要求越来越苛刻,往往要求3级以上才能接受,而目前染色纺织品尤其是深浓色纺织品的湿摩擦牢度往往达不到要求。因此提高湿摩牢度已成为困扰印染界的一大难题。
本课题合成出一种新型的以二异氰酸酯和低分子聚醚为原料的、成本适中的、集吸附、沉淀、成膜、固色、交联五种机理于一身的水性聚氨酯型湿摩擦牢度提升剂(湿摩提升剂CW),确定了其合成工艺:n(PPG)/n(PEG)=1:1,R值(-NCO/-OH的物质的量比)=1.05,二羟甲基丙酸(DMPA)用量为3.07%,扩链剂二乙烯三胺和交联剂环氧氯丙烷与MDI的物质的量之比为1:1:1;预聚反应温度为70℃,预聚反应时间为2.5 h;与二乙烯三胺的反应温度为50℃,时间为2 h;与环氧氯丙烷反应温度为50℃,时间为30 min。
通过实验摸索,确定了湿摩牢度提升剂CW的应用工艺:两浸两轧(湿摩提升剂CW 30 g/l,整理液pH值为7～8,轧液率为(100%～110%)→烘干(100℃)→焙烘(150℃×120S)应用结果表明,织物经湿摩提升剂CW处理后,湿摩擦牢度明显提高,达到3级。
本课题的创新点在于将在溶剂型聚氨酯合成中所用的原料MDI移植到水性聚氨酯的合成工艺中,为MDI在水性聚氨酯方面的应用开辟新路。
Reactive dye is the main dye in cellulosic fibers dyeing, but the wet rubbing fastness of reactive dyes is very poor. The international standards and domestic standards allow the wet rubbing fastness is level 2-3, but consumers have become so increasingly harsh demanding for the wet rubbing fastness in recent years that they often require the standard is above level 3. However, the present dyeing textiles, especially the textiles in deep color are not able to satisfy the consumers. Therefore, to improve the wet rubbing fastness has become a major challenge persecuting current dyeing industry.
A new type of moderate aqueous polyurethane-type wet rubbing fastness improver which is called as wet rubbing fastness improver CW was synthesized. The improver is made up of diisocyanate and low molecular polyether and works with five mechanisms in one - adsorption, precipitation, film forming, fixing, and cross-linking. The synthesis process is determined as follows: n (PPG) / n (PEG) = 1:1:1; R values (-NCO/-OH of the molar ratio) = 1.05; dimethylol propionic acid (DMPA) dosage of 3.07%; the mount ratio of chain extender agent diethylene triamine, epichlorohydrin cross-linker and MDI 1:1:1; pre-polymerization temperature 70℃, pre-polymerization time 2.5h; diethylene triamine reaction temperature 50℃, reaction time 2h; the epichlorohydrin reaction temperature 50℃, reaction time 30min.
Through experiments, the application process of wet rubbing fastness improver CW is established as follows: two-dip-two-nip (CW 30 g / l, pH 7 ~ 8, pick-up100% ~ 110%)→drying (100℃)→curing (150℃×120S)
Application results show that through the wet rubbing fastness improver CW treatment, the wet rubbing fastness is improved obviously and reaches up to level 3. The innovation of this research is that the solvent-based polyurethane raw materials MDI are exchanged into water-based polyurethane synthetic process, as opens up a new road in the application of MDI in water-based polyurethane.
本课题合成出一种新型的以二异氰酸酯和低分子聚醚为原料的、成本适中的、集吸附、沉淀、成膜、固色、交联五种机理于一身的水性聚氨酯型湿摩擦牢度提升剂(湿摩提升剂CW),确定了其合成工艺:n(PPG)/n(PEG)=1:1,R值(-NCO/-OH的物质的量比)=1.05,二羟甲基丙酸(DMPA)用量为3.07%,扩链剂二乙烯三胺和交联剂环氧氯丙烷与MDI的物质的量之比为1:1:1;预聚反应温度为70℃,预聚反应时间为2.5 h;与二乙烯三胺的反应温度为50℃,时间为2 h;与环氧氯丙烷反应温度为50℃,时间为30 min。
通过实验摸索,确定了湿摩牢度提升剂CW的应用工艺:两浸两轧(湿摩提升剂CW 30 g/l,整理液pH值为7～8,轧液率为(100%～110%)→烘干(100℃)→焙烘(150℃×120S)应用结果表明,织物经湿摩提升剂CW处理后,湿摩擦牢度明显提高,达到3级。
本课题的创新点在于将在溶剂型聚氨酯合成中所用的原料MDI移植到水性聚氨酯的合成工艺中,为MDI在水性聚氨酯方面的应用开辟新路。
Reactive dye is the main dye in cellulosic fibers dyeing, but the wet rubbing fastness of reactive dyes is very poor. The international standards and domestic standards allow the wet rubbing fastness is level 2-3, but consumers have become so increasingly harsh demanding for the wet rubbing fastness in recent years that they often require the standard is above level 3. However, the present dyeing textiles, especially the textiles in deep color are not able to satisfy the consumers. Therefore, to improve the wet rubbing fastness has become a major challenge persecuting current dyeing industry.
A new type of moderate aqueous polyurethane-type wet rubbing fastness improver which is called as wet rubbing fastness improver CW was synthesized. The improver is made up of diisocyanate and low molecular polyether and works with five mechanisms in one - adsorption, precipitation, film forming, fixing, and cross-linking. The synthesis process is determined as follows: n (PPG) / n (PEG) = 1:1:1; R values (-NCO/-OH of the molar ratio) = 1.05; dimethylol propionic acid (DMPA) dosage of 3.07%; the mount ratio of chain extender agent diethylene triamine, epichlorohydrin cross-linker and MDI 1:1:1; pre-polymerization temperature 70℃, pre-polymerization time 2.5h; diethylene triamine reaction temperature 50℃, reaction time 2h; the epichlorohydrin reaction temperature 50℃, reaction time 30min.
Through experiments, the application process of wet rubbing fastness improver CW is established as follows: two-dip-two-nip (CW 30 g / l, pH 7 ~ 8, pick-up100% ~ 110%)→drying (100℃)→curing (150℃×120S)
Application results show that through the wet rubbing fastness improver CW treatment, the wet rubbing fastness is improved obviously and reaches up to level 3. The innovation of this research is that the solvent-based polyurethane raw materials MDI are exchanged into water-based polyurethane synthetic process, as opens up a new road in the application of MDI in water-based polyurethane.
引文
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[2]李立.解决棉织物活性染料染色湿摩擦牢度问题.印染,2004(7):23-25
[3]杨海桥.机织深浓色纯棉染色布耐湿摩擦牢度问题的探讨.上海印染新技术交流研讨会论文集.上海:2003:64-66
[4]章杰.新型异种双活性基活性染料某些色牢度的讨论.上海印染新技术交流研讨会论文集.上海:2003.268-270
[5]陈荣圻.提高活性染料深浓色染色织物湿摩擦牢度的探讨.染整科技.2004(2):39-42
[6]李洪霞,吴赞敏.提高活性染料湿摩擦牢度的新探讨.针织工业.2005(6):37-39
[7]李立.棉织物活性染色的湿摩擦牢度.染整科技,2004(2):43-47
[8]钟国宏.湿摩擦牢度提升剂FK-406的性能与应用.印染,2007(4):34-36
[9]毛志平,鲁秋梅,秦丹红等.湿摩擦牢度提升剂ZQ-W对活性染料染色织物性能的影响.印染助剂.2005,22(4):35-37
[10]毛志平,潘强,周世洲等.湿摩擦牢度提升剂ZQ-W在非活性染料染色织物上的应用.印染助剂.2005,22(5):26-29
[11]周世洲,秦丹红,李芮等.交联剂ZQ-W在提高活性染料湿摩擦牢度方面的应用.印染助剂,2004,21(5):20-23
[12]小古卓.干、湿摩擦牢度提高剂.印染助剂,1992,9(3):39-41
[13]孙宏伟.固色剂SHW提高深色品种湿摩擦牢度的工艺.印染助剂,1992,16(1):17-21
[14]王春梅,胡啸林,李朝晖.反应性固色剂的研制及应用效果.纺织科技进展,2005(7):53-54
[15]董永春.聚氨酯类纺织助剂及其应用.聚氨酯工业,1992(4):14～20
[16]林纯勇,陆必泰.活性染料湿摩擦牢度提升剂WPU的合成和应用.武汉科技学院学报,2008,21(1):37～39
[17]张艳军,邓东海,龚军,朱泉.湿摩擦牢度提升剂DM-2588应用工艺.印染,2007(24):35-37
[18]曹万里,顾志安.深色染物湿摩擦牢度提升剂CWF-HR的应用.印染,2007(6):32-34
[19]陈文婵.湿摩擦牢度增进剂N-SZ的生产实践.广西纺织科技,2003(3):21-22
[20]黄茂福,王益民.摩擦牢度增进剂CY-3101的应用.印染,2006(1):23-24
[21]徐伟萍.水性涂料.北京:化学工业出版社,2006:315-320
[22]李绍雄,刘益军.聚氨酯树脂及其应用.北京:化学工业出版,2002(5):559-560
[23]黄遵巧,朱美娜,汝玲等.水性聚氨酯固色剂的合成和性能研究.安徽化2007(5):38-40
[24]张瑞萍,杨静新,朱国华等.水性聚氨酯类染整助剂及其应用.毛纺科技.2004(5):25-28
[24] Leeder J D,Rippon J A.Changes induced in the properties of woolby specific epicuticle modification.J.S.D.C.,1985,101:11-16.
[25] Choi HM,Myung Ja Park,Kyung Wha Oh.Non-formaldyde crease-resistant Finishing of silk with glyoxal.Textile Chenist and Colorist,1998, 30(12):41-45
[26] Karl-LudwigN.Waterborn polyurethanes.Progressin Organic Coatings, 1997,32(14):30-31
[27] LeeSY,LeeJS,KimBK.Preparation and properties of water-borne polyurethanes.Polymer International,1997,42(1):67-76.
[28] Satguru R, Mahon J Mc, padget, J C, Coogan R C. Aqeous polyurethanes for surface coatings.Surface Coating International, 1994,77(10): 424-431.
[29] Tirpak, R. E.,Markusch, P. H. Aqueous dispersions of crosslinked polyurethanes. J. Coat.Technol. 1986, 58 (738):49-52
[30] Al-Salah, H. A.;X i ao, H. X.,McLean, J. A.,介.,Frisch, K. C. Polyurethane cationomers. 1. Structure-properties relationships. J.Polym. Sci.,Part A:Polym. Chem.,1988,26(6):16-20
[31] Chen, Show An, Chan, Wu Chung. Polyurethane cationomers. 11. Phaseinversion and its effect on physical properties. J. Polym. Sci.,Part B:Polym. Phys. 1990,28(9):15-17
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