CN117051610A - 一种牛仔弹性面料洗水防染剂及其制备方法 - Google Patents
一种牛仔弹性面料洗水防染剂及其制备方法 Download PDFInfo
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- D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
- D06P5/00—Other features in dyeing or printing textiles, or dyeing leather, furs, or solid macromolecular substances in any form
- D06P5/12—Reserving parts of the material before dyeing or printing ; Locally decreasing dye affinity by chemical means
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
- C08G63/68—Polyesters containing atoms other than carbon, hydrogen and oxygen
- C08G63/688—Polyesters containing atoms other than carbon, hydrogen and oxygen containing sulfur
- C08G63/6884—Polyesters containing atoms other than carbon, hydrogen and oxygen containing sulfur derived from polycarboxylic acids and polyhydroxy compounds
- C08G63/6886—Dicarboxylic acids and dihydroxy compounds
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
- C08G63/78—Preparation processes
- C08G63/82—Preparation processes characterised by the catalyst used
- C08G63/85—Germanium, tin, lead, arsenic, antimony, bismuth, titanium, zirconium, hafnium, vanadium, niobium, tantalum, or compounds thereof
- C08G63/86—Germanium, antimony, or compounds thereof
- C08G63/866—Antimony or compounds thereof
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
- C08G63/78—Preparation processes
- C08G63/82—Preparation processes characterised by the catalyst used
- C08G63/87—Non-metals or inter-compounds thereof
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Abstract
本发明提供一种牛仔弹性面料洗水防染剂,由以下重量份数原料制得:间苯二甲酸‑5‑磺酸钠9.1‑13.8份;丙二醇2.0‑5.2份;间苯二甲酸4.2‑6.5份;催化剂一0.125份;催化剂二0.175份;去离子水69.4%‑79.7份。本发明还提出一种牛仔弹性面料洗水防染剂的制备方法,包括以下步骤:S1、往四口烧瓶加入间苯二甲酸‑5‑磺酸钠、丙二醇和催化剂一,搅拌,160℃保温30min,得到混合液;S2、往混合液中加入间苯二甲酸、乙二醇和催化剂二,升温至220℃,保温1h,升温至230℃,保温1h,升温至240℃,保温1h,得到混合产物;S3、将混合产物降温至200℃,抽气除去未反应的丙二醇和产物水,最后降温至90℃,加入去离子水调节pH为中性,得到白色乳液。本发明防染剂防染效果好,不损伤牛仔面料弹性。
Description
技术领域
本发明涉及防染剂领域,尤其涉及一种牛仔弹性面料洗水防染剂及其制备方法。
背景技术
牛仔布一般主要材质为棉,也发展采用多种原料结构,有棉、毛、丝、麻天然纤维混纺,也有与化纤混纺,以及用弹力纱、紧捻纱、花式纱等作原料,氨纶丝的含量越高弹力越大。牛仔布属于纯棉粗支纱斜纹布,容易吸收水分,透湿,吸汗,透气性很好,穿着很舒适质地厚实,纹路清晰经过适当处理,可以防皱防缩防变形。靛蓝和硫化黑是牛仔布上的采用染料,由于靛蓝与硫化黑都属于非固化色,容易水洗褪色。特别是牛仔布做成成衣之后,需要通过生物酶酵素洗达到仿旧仿古效果,在生物酶酵洗工艺,如果不添加防染剂,洗下来的靛蓝和硫化黑染料很容易返沾在牛仔成衣的口袋白色布和背面的白色纬纱上,影响最终的牛仔服装的成品质量。当前市场很多牛仔面料洗水防染剂,具有一定的防沾效果,但满足不了市场需求,防染效果差,尤其是在对含有氨纶的牛仔布面料洗水工艺时,容易使得牛仔弹性面料中的氨纶失去弹性,影响牛仔弹性面料的服用性能。因此,亟需一种防染效果好,不损伤牛仔弹性面料弹力的牛仔弹性面料洗水防染剂及其制备方法。
发明内容
为了克服现有技术的不足,本发明的目的在于提供一种防染效果好,不损伤牛仔弹性面料弹力的牛仔弹性面料洗水防染剂。
本发明的目的采用以下技术方案实现:
一种牛仔弹性面料洗水防染剂,由以下重量份数原料制得:
本发明还提出一种牛仔弹性面料洗水防染剂的制备方法,包括以下步骤:
S1、往四口烧瓶加入间苯二甲酸-5-磺酸钠、丙二醇和催化剂一,搅拌,160℃保温30min,得到混合液;
S2、往混合液中加入间苯二甲酸、乙二醇和催化剂二,升温至220℃,保温1h,升温至230℃,保温1h,升温至240℃,保温1h,得到混合产物;
S3、将混合产物降温至200℃,抽气除去未反应的丙二醇和产物水,最后降温至90℃,加入去离子水调节pH为中性,得到白色乳液。
反应原理:
优选的,步骤S3调节pH时还加入40%的氢氧化钠。
优选的,催化剂一为对甲苯磺酸。
优选的,催化剂二为对甲苯磺酸和三氧化二锑。
由于反应温度高于200℃,为保证催化效果,催化剂含有三氧化二锑,防止高温碳化。
优选的,牛仔弹性面料洗水防染剂的制备方法,所述催化剂二中对甲苯磺酸与三氧化二锑的质量比为2.5:1。
优选的,
与现有技术中的牛仔弹性面料洗水防染剂相比,本发明牛仔弹性面料洗水防染剂具有以下优点:
1.通过引入硫酸钠基团,提高防染剂的水分散性,克服传统聚酯水分散性差的不足,容易与水混合形成乳液,防染效果好。
2.不添加表面活性剂,不会影响氨纶的弹性,保证牛仔弹性面料的整体弹性。
附图说明
图1为实施例2样品红外光谱图。
图2为实施例2样品核磁氢谱图。
具体实施方式
为使本发明解决的技术问题、采用的技术方案和达到的技术效果更加清楚,下面将对本发明实施方式的技术方案作进一步的详细描述。
实施例1
配方:
依次向配备有韦式蒸馏柱、球形冷凝管、温度计、抽吸接头以及搅拌器的250mL四口烧瓶中加入间苯二甲酸-5-磺酸钠21g、丙二醇3g、对甲苯磺酸0.25g,开启机械搅拌,升温至160℃保温30min后,再加间苯二甲酸13.0g、丙二醇3.0g、对甲苯磺酸0.25g、三氧化二锑0.1g,升温至220℃保温1h,升温至230℃保温1h,升温至240℃保温1h;将反应温度降至200℃,抽气去除未反应的丙二醇和反应生成的水;最后降温至90℃,加入15.6g 40%NaOH溶液将反应物PH值调节至中性,再加入去离子水143.8g,降温至70℃搅拌30min,得到稳定的乳白色溶液
实施例2
配方:
依次向配备有韦式蒸馏柱、球形冷凝管、温度计、抽吸接头以及搅拌器的250mL四口烧瓶中加入间苯二甲酸-5-磺酸钠27.6g、丙二醇2.0g、对甲苯磺酸0.25g,开启机械搅拌,升温至160℃保温30min后,再加间苯二甲酸8.4g、丙二醇2.0g、对甲苯磺酸0.25g、三氧化二锑0.1g,升温至220℃保温1h,升温至230℃保温1h,升温至240℃保温1h;将反应温度降至200℃,抽气去除未反应的丙二醇和反应生成的水;最后降温至90℃,加入20.6g 40%NaOH溶液将反应物PH值调节至中性,再加入去离子水138.8g,降温至70℃搅拌30min,得到稳定的乳黄色溶液。
实施例3
配方:
依次向配备有韦式蒸馏柱、球形冷凝管、温度计、抽吸接头以及搅拌器的250mL四口烧瓶中加入间苯二甲酸-5-磺酸钠18.2g、丙二醇5.2g、对甲苯磺酸0.25g,开启机械搅拌,升温至160℃保温30min后,再加对苯二甲酸11.4g、丙二醇5.2g、对甲苯磺酸0.25g、三氧化二锑0.1g,升温至220℃保温1h,升温至230℃保温1h,升温至240℃保温1h;将反应温度降至200℃,抽气去除反应生成的水;最后降温至70℃,再加入去离子水159.4g,搅拌30min,得到稳定的乳白色溶液。
对比例1
本对比例与实施例2类似,区别为实施例2的间苯二甲酸-5-磺酸钠在本对比例换为间苯二甲酸,加入去离子水后无法形成稳定的溶液。由于无法分散于水中,无法进行洗水性能测试。
性能测试
织物:牛仔弹性服装(带有白色口袋)
试剂:中性纤维素酶,实施例1-3样品,市售表面活性剂类防染剂Goon530。
测试方法:牛仔白色口袋布色变参照耐洗色牢度:参照GB/T3921.1-1997《纺织品色牢度试验耐洗色牢度》测定;氨纶弹力损失通过目测缝合处松弛情况。采用KBr压片法,在FTIR-1500型号的博立叶红外光谱仪上测定测定牛仔洗水防染剂的化学结构;使用BrukerAvance 400MHZ型核磁共振仪,以氘代N,N-二甲基甲酰胺作为内标,在室温条件下测定牛仔洗水防染剂核磁共振氢谱(400MHZ),分析它的化学结构。
牛仔成衣仿旧仿古洗涤配方
把含有白色口袋的牛仔弹性服装和上述配制的水洗液按照重量比1:10的配比,放在牛仔成衣洗衣机洗涤60min,脱水,烘干后进行测试,主要测试牛仔成衣白色口袋布沾色评级和氨纶弹力损失比较,结果如表1所示。
表1牛仔成衣洗涤后白色口袋布和弹力效果测试
由表1可知,添加本发明防染剂的牛仔弹性面料洗水效果较好,且弹性缝合处的弹力未下降,且调节pH至中性时,加入40%氢氧化钠调节的防染剂,在洗水时的防染效果更好。
实施例2的红外谱图和核磁谱图
从表1可知,实施例2的防染效果最好,且对氨纶弹力没有损失。对实施例2样品的化学结构进行表征。首先对实施例2样品进行提纯,把一定量的实施例2样品烘干后,用无水乙醇洗涤3次,把固体沉淀物放在真空干燥箱在90℃下烘干48小时,测试它的红外谱图和核磁氢谱,对其结构进行分析。
从图1中的实施例2的红外光谱图来看,在波长为3999cm-1有一个分子间氢键(O-H)是分子之间的特征吸收峰,在波长为3020cm-1(C-H,芳族苯环)是芳基上氢在基体上的拉伸振动特性的吸收峰,波长为2877cm-1是亚甲基(C-H)的特征吸收峰,波长为1604cm-1是芳环C=C延伸振动的特征吸收峰,波长为1715cm-1是羧酸酯在芳基上的羰基(C=O,环延伸)拉伸振动的特征吸收峰,波长为1099cm-1为O=S磺酸基的拉伸振动的特征吸收峰,波长为1267cm-1为碳酸酯的C-0拉伸振动特性的吸收峰,波长为1047cm-1为醚键的C-O拉伸振动特性的吸收峰。
由2图可知,δ=7.8ppm为间位双取代苯环上氢的共振重叠峰,δ=8.2ppm为间位三取代苯环上氢的共振重叠峰,δ=4.73ppm(-OH)为端羟基吸收峰,δ=3.4-3.7ppm(-CH2CH2O-)为与醚键相连接的亚甲基碳上氢的吸收峰。
上述实施方式仅为本发明的部分优选实施方式,不能以此来限定本发明保护的范围,本领域的技术人员在本发明的基础上所做的任何非实质性的变化及替换均属于本发明所要求保护的范围。
Claims (7)
1.一种牛仔弹性面料洗水防染剂,其特征在于,由以下重量份数原料制得:
2.一种如权利要求1所述牛仔弹性面料洗水防染剂的制备方法,其特征在于,包括以下步骤:
S1、往四口烧瓶加入间苯二甲酸-5-磺酸钠、丙二醇和催化剂一,搅拌,160℃保温30min,得到混合液;
S2、往混合液中加入间苯二甲酸、乙二醇和催化剂二,升温至220℃,保温1h,升温至230℃,保温1h,升温至240℃,保温1h,得到混合产物;
S3、将混合产物降温至200℃,抽气除去未反应的丙二醇和产物水,最后降温至90℃,加入去离子水调节pH为中性,得到白色乳液。
3.根据权利要求2所述牛仔弹性面料洗水防染剂的制备方法,其特征在于,步骤S3调节pH时还加入40%的氢氧化钠。
4.根据权利要求2所述牛仔弹性面料洗水防染剂的制备方法,其特征在于,所述催化剂一为对甲苯磺酸。
5.根据权利要求2所述牛仔弹性面料洗水防染剂的制备方法,其特征在于,所述催化剂二为对甲苯磺酸和三氧化二锑。
6.根据权利要求3所述牛仔弹性面料洗水防染剂的制备方法,其特征在于,所述催化剂二中对甲苯磺酸与三氧化二锑的质量比为2.5:1。
7.根据权利要求6所述牛仔弹性面料洗水防染剂的制备方法,其特征在于,
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