CN106498775A - 一种长效稳定印花增稠剂的制备方法 - Google Patents
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Abstract
本发明公开了一种长效稳定印花增稠剂的制备方法,属于增稠剂制备技术领域。本发明将松香和四丁基溴化铵、环氧氯丙烷反应制得粘稠液,将其溶于乙醇溶液旋蒸处理,再将制得的干燥物与壳寡糖溶液、氢氧化钠溶液搅拌反应,随后用柠檬酸调节pH后透析处理,再将透析后的反应液与无水乙醇混合抽滤,将滤渣冷冻干燥制得增稠剂,再将其与甲基丙烯酸、马来酸、过硫酸铵等搅拌混合,再加入过硫酸铵加热反应,待冷却即可得长效稳定印花增稠剂,本发明制得的增稠剂具有用量少、稳定性好、增稠效果强、耐电解质能力好及不易渗化的优点,使用后不会对织物的手感及颜色光鲜艳度产生不良影响,且制备工艺简单,适合大规模工业化生产。
Description
技术领域
本发明公开了一种长效稳定印花增稠剂的制备方法,属于增稠剂制备技术领域。
背景技术
印花增稠剂,是一种在印花行业中,使用最普遍的一种增稠剂。在印花中,会使用到胶浆和色浆两种主要材料。又因为在高剪切力下,会使稠度降低,所以要用到增稠剂去把印花材料的稠度加大,这时就要用到印花增稠剂。
印花增稠剂主要作用是提供良好的流变性能,将印网、印辊上的胶浆或色浆转移到织物上,使染料与纤维结合在一起,保证印花花纹轮廓分明。图案清晰,色彩鲜艳、均匀,当染料固着后,反应产物与残留物于下游工序易于除去,使织物手感柔软。可见,印花增稠剂在印花工业中起着相当重要的作用。
印花增稠剂是有很长的发展史的。在很久以前所用的浆料是淀粉或改性淀粉,这种增稠剂被称为天然类增稠剂,但是这种印花增稠剂它的使用成本高,色泽深度低,鲜艳度差,耐水洗的牢度也很差,织物的手感也不令人满意。目前这类增稠剂已逐渐被淘汰了。在70年代时,人们又开始研制和生产合成增稠剂了。合成增稠剂的问世,极大地推动了印花生产的发展,将印花技术提高到了一个新的水平。它解决了环境污染及安全的问题。而且合成增稠剂具有增稠效果佳,运输和储存方便,配制简单,轮廓清晰,色泽鲜艳等的优点。
印花增稠剂目前主要分成两大类:非离子和阴离子。非离子增稠剂大多是聚乙二醇醚类衍生物。此类增稠剂应该范围比较广泛,但是增稠效果较差,添加量大,而且还是需要一定量的煤油。而阴离子增稠剂是高分子电解质化合物,是一种具有轻度交联的共聚物,它的特点是粘度低,增稠效果好,稳定性好,添加量少,流变性好,印花效果也佳。但仍存在着耐电解质能力差、抱水能力差、易渗化、手感硬等不足。
发明内容
本发明主要解决的技术问题:针对目前非离子增稠剂增稠效果较差,添加量大,而且还是需要一定量的煤油,而阴离子增稠剂又存在耐电解质能力和抱水能力差、易渗化、手感硬的问题,提供一种长效稳定印花增稠剂的制备方法,该方法首先将松香和四丁基溴化铵、环氧氯丙烷反应制得粘稠液,将其溶于乙醇溶液旋蒸处理,再将制得的干燥物与壳寡糖溶液、氢氧化钠溶液搅拌反应,随后用柠檬酸调节pH后透析处理,再将透析后的反应液与无水乙醇混合抽滤,将滤渣冷冻干燥制得增稠剂,再将其与甲基丙烯酸、马来酸、过硫酸铵等搅拌混合,再加入过硫酸铵加热反应,待冷却即可得长效稳定印花增稠剂,本发明制得的增稠剂具有用量少、稳定性好、增稠效果强、耐电解质能力好及不易渗化的优点,使用后不会对织物的手感及颜色光鲜艳度产生不良影响,且制备工艺简单,适合大规模工业化生产。
为了解决上述技术问题,本发明所采用的技术方案是:
(1)分别称取8~10g松香和0.3~0.5g四丁基溴化铵加入到三口烧瓶中,向三口烧瓶中加入30~50mL环氧氯丙烷,放入水浴锅中,在80~85℃温度下搅拌反应2~3h,反应结束后冷却至室温,得粘稠液,将粘稠液按体积比1:5与质量分数95%乙醇溶液混合,在800~1000r/min转速下机械搅拌30~40min,搅拌后旋转蒸发至干,得干燥物;
(2)称取5~10g壳寡糖加入到三口烧瓶中,并加入100~150mL去离子水,搅拌至固体溶解得壳寡糖溶液,放入水浴锅中,升温至70~75℃后向三口烧瓶中加入2~4g上述干燥物和30~40mL质量分数20%氢氧化钠溶液,加入后保温搅拌反应3~5h;
(3)待上述反应结束后用质量分数5%柠檬酸调节pH值为7.0,调节后冷却至室温,将三口烧瓶中的反应液置于透析袋中透析20~30h,透析后的反应液按体积比1:10与无水乙醇混合,混合20~30min后静置8~10h,静置后抽滤,得滤渣,将滤渣冷冻干燥后得增稠剂,备用;
(4)分别称取30~35g甲基丙烯酸、10~15g2-丙烯酰胺基-2-甲基丙磺酸、15~25g马来酸、5~10g丙烯酸酯、80~100g去离子水和2~5gN,N’-亚甲基丙烯酰胺加入反应釜中,加入0.5~0.7g过硫酸铵后在2000~3000r/min转速高速剪切30~40min,得混合液;
(5)向上述混合液中加入10~15g步骤(3)备用的增稠剂,搅拌混合15~20min,搅拌后加入1~2g过硫酸铵,混合均匀后将反应釜升温至60~70℃,反应3~4h,反应结束后冷却至室温,即可得到长效稳定印花增稠剂。
本发明的应用方法是:按质量比0.5:1:15将本发明制得的印花增稠剂与分散染料及水混合均匀制成印花浆,随后将色浆均匀涂覆在织物表面用印花机进行印花工序,即可制备得常规的胚布。经检测,本发明制得的印花增稠剂其粘度达25000~38000mPa·s,黏度保留率达73~85%,具有较好的增稠能力及耐电解质性能,且本发明制得的增稠剂具有较好的耐储存稳定性,存放12~14个月后的使用,无腐败现象,其粘度及使用效果也未发生明显变化。
本发明的有益效果是:
(1)本发明制备的印花增稠剂增稠效果好,印染后的织物得色量高,使用后对织物的色光鲜艳度及柔软性没有不良影响,且能大大提高织物的耐洗牢度;
(2)本发明制备的印花增稠剂添加量少,具有较好的耐电解质能力,抱水性较好,不易渗化。
具体实施方式
首先分别称取8~10g松香和0.3~0.5g四丁基溴化铵加入到三口烧瓶中,向三口烧瓶中加入30~50mL环氧氯丙烷,放入水浴锅中,在80~85℃温度下搅拌反应2~3h,反应结束后冷却至室温,得粘稠液,将粘稠液按体积比1:5与质量分数95%乙醇溶液混合,在800~1000r/min转速下机械搅拌30~40min,搅拌后旋转蒸发至干,得干燥物;随后称取5~10g壳寡糖加入到三口烧瓶中,并加入100~150mL去离子水,搅拌至固体溶解得壳寡糖溶液,放入水浴锅中,升温至70~75℃后向三口烧瓶中加入2~4g上述干燥物和30~40mL质量分数20%氢氧化钠溶液,加入后保温搅拌反应3~5h;待上述反应结束后用质量分数5%柠檬酸调节pH值为7.0,调节后冷却至室温,将三口烧瓶中的反应液置于透析袋中透析20~30h,透析后的反应液按体积比1:10与无水乙醇混合,混合20~30min后静置8~10h,静置后抽滤,得滤渣,将滤渣冷冻干燥后得增稠剂,备用;再分别称取30~35g甲基丙烯酸、10~15g2-丙烯酰胺基-2-甲基丙磺酸、15~25g马来酸、5~10g丙烯酸酯、80~100g去离子水和2~5gN,N’-亚甲基丙烯酰胺加入反应釜中,加入0.5~0.7g过硫酸铵后在2000~3000r/min转速高速剪切30~40min,得混合液;最后向上述混合液中加入10~15g上述步骤备用的增稠剂,搅拌混合15~20min,搅拌后加入1~2g过硫酸铵,混合均匀后将反应釜升温至60~70℃,反应3~4h,反应结束后冷却至室温,即可得到长效稳定印花增稠剂。
实例1
首先分别称取8g松香和0.3g四丁基溴化铵加入到三口烧瓶中,向三口烧瓶中加入30mL环氧氯丙烷,放入水浴锅中,在80℃温度下搅拌反应2h,反应结束后冷却至室温,得粘稠液,将粘稠液按体积比1:5与质量分数95%乙醇溶液混合,在800r/min转速下机械搅拌30min,搅拌后旋转蒸发至干,得干燥物;随后称取5g壳寡糖加入到三口烧瓶中,并加入100mL去离子水,搅拌至固体溶解得壳寡糖溶液,放入水浴锅中,升温至70℃后向三口烧瓶中加入2g上述干燥物和30mL质量分数20%氢氧化钠溶液,加入后保温搅拌反应3h;待上述反应结束后用质量分数5%柠檬酸调节pH值为7.0,调节后冷却至室温,将三口烧瓶中的反应液置于透析袋中透析20h,透析后的反应液按体积比1:10与无水乙醇混合,混合20min后静置8h,静置后抽滤,得滤渣,将滤渣冷冻干燥后得增稠剂,备用;再分别称取30g甲基丙烯酸、10g2-丙烯酰胺基-2-甲基丙磺酸、15g马来酸、5g丙烯酸酯、80g去离子水和2gN,N’-亚甲基丙烯酰胺加入反应釜中,加入0.5g过硫酸铵后在2000r/min转速高速剪切30min,得混合液;最后向上述混合液中加入10g上述步骤备用的增稠剂,搅拌混合15min,搅拌后加入1g过硫酸铵,混合均匀后将反应釜升温至60℃,反应3h,反应结束后冷却至室温,即可得到长效稳定印花增稠剂。
本实例操作简便,使用时,按质量比0.5:1:15将本发明制得的印花增稠剂与分散染料及水混合均匀制成印花浆,随后将色浆均匀涂覆在织物表面用印花机进行印花工序,即可制备得常规的胚布。经检测,本发明制得的印花增稠剂其粘度达25000mPa·s,黏度保留率达73%,具有较好的增稠能力及耐电解质性能,且本发明制得的增稠剂具有较好的耐储存稳定性,存放12个月后的使用,无腐败现象,其粘度及使用效果也未发生明显变化。
实例2
首先分别称取9g松香和0.4g四丁基溴化铵加入到三口烧瓶中,向三口烧瓶中加入40mL环氧氯丙烷,放入水浴锅中,在83℃温度下搅拌反应2.5h,反应结束后冷却至室温,得粘稠液,将粘稠液按体积比1:5与质量分数95%乙醇溶液混合,在900r/min转速下机械搅拌35min,搅拌后旋转蒸发至干,得干燥物;随后称取8g壳寡糖加入到三口烧瓶中,并加入125mL去离子水,搅拌至固体溶解得壳寡糖溶液,放入水浴锅中,升温至73℃后向三口烧瓶中加入3g上述干燥物和35mL质量分数20%氢氧化钠溶液,加入后保温搅拌反应4h;待上述反应结束后用质量分数5%柠檬酸调节pH值为7.0,调节后冷却至室温,将三口烧瓶中的反应液置于透析袋中透析25h,透析后的反应液按体积比1:10与无水乙醇混合,混合25min后静置9h,静置后抽滤,得滤渣,将滤渣冷冻干燥后得增稠剂,备用;再分别称取33g甲基丙烯酸、13g2-丙烯酰胺基-2-甲基丙磺酸、20g马来酸、8g丙烯酸酯、90g去离子水和3gN,N’-亚甲基丙烯酰胺加入反应釜中,加入0.6g过硫酸铵后在2500r/min转速高速剪切35min,得混合液;最后向上述混合液中加入13g上述步骤备用的增稠剂,搅拌混合18min,搅拌后加入1.5g过硫酸铵,混合均匀后将反应釜升温至65℃,反应3.5h,反应结束后冷却至室温,即可得到长效稳定印花增稠剂。
本实例操作简便,使用时,按质量比0.5:1:15将本发明制得的印花增稠剂与分散染料及水混合均匀制成印花浆,随后将色浆均匀涂覆在织物表面用印花机进行印花工序,即可制备得常规的胚布。经检测,本发明制得的印花增稠剂其粘度达31000mPa·s,黏度保留率达79%,具有较好的增稠能力及耐电解质性能,且本发明制得的增稠剂具有较好的耐储存稳定性,存放13个月后的使用,无腐败现象,其粘度及使用效果也未发生明显变化。
实例3
首先分别称取10g松香和0.5g四丁基溴化铵加入到三口烧瓶中,向三口烧瓶中加入50mL环氧氯丙烷,放入水浴锅中,在85℃温度下搅拌反应3h,反应结束后冷却至室温,得粘稠液,将粘稠液按体积比1:5与质量分数95%乙醇溶液混合,在1000r/min转速下机械搅拌40min,搅拌后旋转蒸发至干,得干燥物;随后称取10g壳寡糖加入到三口烧瓶中,并加入150mL去离子水,搅拌至固体溶解得壳寡糖溶液,放入水浴锅中,升温至75℃后向三口烧瓶中加入4g上述干燥物和40mL质量分数20%氢氧化钠溶液,加入后保温搅拌反应5h;待上述反应结束后用质量分数5%柠檬酸调节pH值为7.0,调节后冷却至室温,将三口烧瓶中的反应液置于透析袋中透析30h,透析后的反应液按体积比1:10与无水乙醇混合,混合30min后静置10h,静置后抽滤,得滤渣,将滤渣冷冻干燥后得增稠剂,备用;再分别称取35g甲基丙烯酸、15g2-丙烯酰胺基-2-甲基丙磺酸、25g马来酸、10g丙烯酸酯、100g去离子水和5gN,N’-亚甲基丙烯酰胺加入反应釜中,加入0.7g过硫酸铵后在3000r/min转速高速剪切40min,得混合液;最后向上述混合液中加入15g上述步骤备用的增稠剂,搅拌混合20min,搅拌后加入2g过硫酸铵,混合均匀后将反应釜升温至70℃,反应4h,反应结束后冷却至室温,即可得到长效稳定印花增稠剂。
本实例操作简便,使用时,按质量比0.5:1:15将本发明制得的印花增稠剂与分散染料及水混合均匀制成印花浆,随后将色浆均匀涂覆在织物表面用印花机进行印花工序,即可制备得常规的胚布。经检测,本发明制得的印花增稠剂其粘度达38000mPa·s,黏度保留率达85%,具有较好的增稠能力及耐电解质性能,且本发明制得的增稠剂具有较好的耐储存稳定性,存放14个月后的使用,无腐败现象,其粘度及使用效果也未发生明显变化。
Claims (1)
1.一种长效稳定印花增稠剂的制备方法,其特征在于具体制备步骤为:
(1)分别称取8~10g松香和0.3~0.5g四丁基溴化铵加入到三口烧瓶中,向三口烧瓶中加入30~50mL环氧氯丙烷,放入水浴锅中,在80~85℃温度下搅拌反应2~3h,反应结束后冷却至室温,得粘稠液,将粘稠液按体积比1:5与质量分数95%乙醇溶液混合,在800~1000r/min转速下机械搅拌30~40min,搅拌后旋转蒸发至干,得干燥物;
(2)称取5~10g壳寡糖加入到三口烧瓶中,并加入100~150mL去离子水,搅拌至固体溶解得壳寡糖溶液,放入水浴锅中,升温至70~75℃后向三口烧瓶中加入2~4g上述干燥物和30~40mL质量分数20%氢氧化钠溶液,加入后保温搅拌反应3~5h;
(3)待上述反应结束后用质量分数5%柠檬酸调节pH值为7.0,调节后冷却至室温,将三口烧瓶中的反应液置于透析袋中透析20~30h,透析后的反应液按体积比1:10与无水乙醇混合,混合20~30min后静置8~10h,静置后抽滤,得滤渣,将滤渣冷冻干燥后得增稠剂,备用;
(4)分别称取30~35g甲基丙烯酸、10~15g2-丙烯酰胺基-2-甲基丙磺酸、15~25g马来酸、5~10g丙烯酸酯、80~100g去离子水和2~5gN,N’-亚甲基丙烯酰胺加入反应釜中,加入0.5~0.7g过硫酸铵后在2000~3000r/min转速高速剪切30~40min,得混合液;
(5)向上述混合液中加入10~15g步骤(3)备用的增稠剂,搅拌混合15~20min,搅拌后加入1~2g过硫酸铵,混合均匀后将反应釜升温至60~70℃,反应3~4h,反应结束后冷却至室温,即可得到长效稳定印花增稠剂。
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