CN107675495A - 一种用于竹纤维经纱上浆的复合助剂 - Google Patents
一种用于竹纤维经纱上浆的复合助剂 Download PDFInfo
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Abstract
本发明公开了一种用于竹纤维经纱上浆的复合助剂,涉及纱线上浆技术领域,由如下重量份数的原料制成:鲸蜡醇‑硬脂酸‑氢化蓖麻油15‑25份、羟丙基‑β‑环糊精5‑10份、多聚谷氨酸5‑10份、三羟甲基丙烷三丙烯酸酯1‑5份、双丙酮丙烯酰胺1‑5份、明胶1‑5份、乙二醇二缩水甘油醚0.5‑2份、葡萄糖酸钠0.5‑2份。本发明所制复合助剂的添加能有效控制竹纤维经纱的上浆率,并保证上浆均匀度,使上浆合格率达到99%以上;并且该复合助剂与变性淀粉类上浆原料之间的相容性好,能同时达到增强保伸的效果,显著提高上浆后竹纤维经纱的增磨率以及降低上浆后竹纤维经纱的回潮率。
Description
技术领域:
本发明涉及纱线上浆技术领域,具体涉及一种用于竹纤维经纱上浆的复合助剂。
背景技术:
竹纤维,是从自然生长的竹子中提取出的纤维素纤维,继棉、麻、毛、丝后的第五大天然纤维。竹原纤维具有良好的透气性、瞬间吸水性、较强的耐磨性和良好的染色性等特性,具有天然抗菌、抑菌、除螨、防臭和抗紫外线功能。竹纤维纱吸浆速度快,易于浸透,但吸湿后横向膨胀造成纤维和纱线排列更加紧密,而导致纱线上将不匀或粘并,难以形成良好的浆膜。同时,竹纤维在吸湿膨胀和放湿收缩过程中变形大,抱合力减小,纤维易相对滑移,强力明显下降。因此,竹纤维浆纱增强保伸是关键,使纱线具有良好的被覆,适当的浸透,确保浆膜完整,贴伏毛羽。
合理控制上浆率是上浆工艺的关键指标。过去为了防止轻浆造成的布机开口不清、阻纬、断经,我们一度对上浆率提出宁大勿小、大而不并的理念,用浆液粘度来保证上浆率,片面认为粘度越大上浆越大,导致上浆率越来越高,分纱阻力越来越大,甚至难以分纱,引起断头,并导致二次毛羽产生,并纱、倒断头多、落浆多、断经高。针对上述问题,本公司开发出一种用于竹纤维经纱上浆的复合助剂,该助剂协以变性淀粉以控制竹纤维经纱的上浆率,同时达到增强保伸的效果,并且减小回潮率,从而综合提高竹纤维织物的使用性能。
发明内容:
本发明所要解决的技术问题在于提供一种在控制上浆率的同时保证上浆均匀度和合格率且达到增强保伸效果的用于竹纤维经纱上浆的复合助剂。
本发明所要解决的技术问题采用以下的技术方案来实现:
一种用于竹纤维经纱上浆的复合助剂,由如下重量份数的原料制成:
鲸蜡醇-硬脂酸-氢化蓖麻油15-25份、羟丙基-β-环糊精5-10份、多聚谷氨酸5-10份、三羟甲基丙烷三丙烯酸酯1-5份、双丙酮丙烯酰胺1-5份、明胶1-5份、乙二醇二缩水甘油醚0.5-2份、葡萄糖酸钠0.5-2份。
其制备方法包括如下步骤:
(1)搅拌下向羟丙基-β-环糊精中滴加去离子水直至完全溶解,再加入三羟甲基丙烷三丙烯酸酯和双丙酮丙烯酰胺,并加热至回流状态保温混合1-3h,所得混合物经自然冷却至室温后送入喷雾干燥机中,干燥所得颗粒经超微粉碎机制成微粉,即得改性羟丙基-β-环糊精;
(2)向多聚谷氨酸中加入明胶和乙二醇二缩水甘油醚,并加热至80-90℃保温混合15-30min,再加入鲸蜡醇-硬脂酸-氢化蓖麻油、改性羟丙基-β-环糊精和葡萄糖酸钠,继续加热至110-120℃保温混合10-15min,所得混合物以5-10℃/min的降温速度冷却至0-5℃保温静置0.5-1h,最后经超微粉碎机制成微粉,即得复合助剂。
所述多聚谷氨酸选自土壤级多聚谷氨酸。
所述鲸蜡醇-硬脂酸-氢化蓖麻油是由鲸蜡醇、硬脂酸、氢化蓖麻油经酯化反应制成,其具体制备方法为:将鲸蜡醇加热至熔融状态保温5-10min,并加入硬脂酸和95%浓硫酸,继续加热至125-135℃保温混合2-4h,再加入氢化蓖麻油,继续在125-135℃保温混合1-3h,所得混合物自然冷却至室温后送入超微粉碎机中,经粉碎制成微粉,即得鲸蜡醇-硬脂酸-氢化蓖麻油。
所述鲸蜡醇、硬脂酸、氢化蓖麻油、浓硫酸的质量比为5-10:15-25:5-10:0.05-0.5。
所述明胶使用前经过改性处理,其具体改性方法为:将明胶加热至液态后保温混合5-10min,再加入无水乙醇、三羟甲基丙烷三缩水甘油醚和N-异丙基丙烯酰胺,充分混合后利用微波处理器微波回流处理5min,间隔5min后继续微波回流处理5min,间隔5min后再次微波回流处理5min,如此反复,控制微波回流处理总时间在30-45min,所得混合物减压浓缩直至乙醇挥干,最后经自然冷却至室温,即得改性明胶。
所述明胶、无水乙醇、三羟甲基丙烷三缩水甘油醚、N-异丙基丙烯酰胺的质量比为5-10:20-30:0.5-2:1-5。
所述微波处理器的工作条件为微波频率2450MHz、输出功率700W。
通过上述三羟甲基丙烷三缩水甘油醚和N-异丙基丙烯酰胺对明胶的改性处理,提高明胶的水溶性,并改善明胶吸水后的黏度,增强明胶与其余助剂制备原料的相容性。
本发明的有益效果是:本发明以自制鲸蜡醇-硬脂酸-氢化蓖麻油作为主料,辅以改性羟丙基-β-环糊精及多种助剂制得复合助剂,该复合助剂适用于竹纤维经纱的上浆,将其与变性淀粉类上浆原料配合使用后能有效控制竹纤维经纱的上浆率,并保证上浆均匀度,使上浆合格率达到99%以上;并且该复合助剂与变性淀粉类上浆原料之间的相容性好,能同时达到增强保伸的效果,显著提高上浆后竹纤维经纱的增磨率以及降低上浆后竹纤维经纱的回潮率,从而提高竹纤维经纱的综合使用性能。
具体实施方式:
为了使本发明实现的技术手段、创作特征、达成目的与功效易于明白了解,下面结合具体实施例,进一步阐述本发明。
实施例1
(1)搅拌下向10g羟丙基-β-环糊精中滴加去离子水直至完全溶解,再加入3g三羟甲基丙烷三丙烯酸酯和1g双丙酮丙烯酰胺,并加热至回流状态保温混合2h,所得混合物经自然冷却至室温后送入喷雾干燥机中,干燥所得颗粒经超微粉碎机制成微粉,即得改性羟丙基-β-环糊精;
(2)向5g土壤级多聚谷氨酸中加入2g明胶和0.5g乙二醇二缩水甘油醚,并加热至80-90℃保温混合15min,再加入25g鲸蜡醇-硬脂酸-氢化蓖麻油、改性羟丙基-β-环糊精和0.5g葡萄糖酸钠,继续加热至110-120℃保温混合10min,所得混合物以5-10℃/min的降温速度冷却至0-5℃保温静置1h,最后经超微粉碎机制成微粉,即得复合助剂。
鲸蜡醇-硬脂酸-氢化蓖麻油的制备:将10g鲸蜡醇加热至熔融状态保温10min,并加入25g硬脂酸和0.05g 95%浓硫酸,继续加热至125-135℃保温混合3h,再加入10g氢化蓖麻油,继续在125-135℃保温混合2h,所得混合物自然冷却至室温后送入超微粉碎机中,经粉碎制成微粉,即得鲸蜡醇-硬脂酸-氢化蓖麻油。
实施例2
(1)搅拌下向10g羟丙基-β-环糊精中滴加去离子水直至完全溶解,再加入3g三羟甲基丙烷三丙烯酸酯和2g双丙酮丙烯酰胺,并加热至回流状态保温混合3h,所得混合物经自然冷却至室温后送入喷雾干燥机中,干燥所得颗粒经超微粉碎机制成微粉,即得改性羟丙基-β-环糊精;
(2)向10g土壤级多聚谷氨酸中加入2g明胶和1g乙二醇二缩水甘油醚,并加热至80-90℃保温混合30min,再加入25g鲸蜡醇-硬脂酸-氢化蓖麻油、改性羟丙基-β-环糊精和0.5g葡萄糖酸钠,继续加热至110-120℃保温混合15min,所得混合物以5-10℃/min的降温速度冷却至0-5℃保温静置1h,最后经超微粉碎机制成微粉,即得复合助剂。
鲸蜡醇-硬脂酸-氢化蓖麻油的制备:将5g鲸蜡醇加热至熔融状态保温5min,并加入20g硬脂酸和0.05g 95%浓硫酸,继续加热至125-135℃保温混合2h,再加入5g氢化蓖麻油,继续在125-135℃保温混合1h,所得混合物自然冷却至室温后送入超微粉碎机中,经粉碎制成微粉,即得鲸蜡醇-硬脂酸-氢化蓖麻油。
实施例3
(1)搅拌下向10g羟丙基-β-环糊精中滴加去离子水直至完全溶解,再加入3g三羟甲基丙烷三丙烯酸酯和1g双丙酮丙烯酰胺,并加热至回流状态保温混合2h,所得混合物经自然冷却至室温后送入喷雾干燥机中,干燥所得颗粒经超微粉碎机制成微粉,即得改性羟丙基-β-环糊精;
(2)向5g土壤级多聚谷氨酸中加入2g明胶和0.5g乙二醇二缩水甘油醚,并加热至80-90℃保温混合15min,再加入25g鲸蜡醇-硬脂酸-氢化蓖麻油、改性羟丙基-β-环糊精和0.5g葡萄糖酸钠,继续加热至110-120℃保温混合10min,所得混合物以5-10℃/min的降温速度冷却至0-5℃保温静置1h,最后经超微粉碎机制成微粉,即得复合助剂。
鲸蜡醇-硬脂酸-氢化蓖麻油的制备:将10g鲸蜡醇加热至熔融状态保温10min,并加入25g硬脂酸和0.05g 95%浓硫酸,继续加热至125-135℃保温混合3h,再加入10g氢化蓖麻油,继续在125-135℃保温混合2h,所得混合物自然冷却至室温后送入超微粉碎机中,经粉碎制成微粉,即得鲸蜡醇-硬脂酸-氢化蓖麻油。
明胶的改性:将10g明胶加热至液态后保温混合5min,再加入25g无水乙醇、1g三羟甲基丙烷三缩水甘油醚和3gN-异丙基丙烯酰胺,充分混合后利用微波频率2450MHz、输出功率700W的微波处理器微波回流处理5min,间隔5min后继续微波回流处理5min,间隔5min后再次微波回流处理5min,如此反复,控制微波回流处理总时间在30min,所得混合物减压浓缩直至乙醇挥干,最后经自然冷却至室温,即得改性明胶。
实施例4
(1)搅拌下向10g羟丙基-β-环糊精中滴加去离子水直至完全溶解,再加入3g三羟甲基丙烷三丙烯酸酯和2g双丙酮丙烯酰胺,并加热至回流状态保温混合3h,所得混合物经自然冷却至室温后送入喷雾干燥机中,干燥所得颗粒经超微粉碎机制成微粉,即得改性羟丙基-β-环糊精;
(2)向10g土壤级多聚谷氨酸中加入2g明胶和1g乙二醇二缩水甘油醚,并加热至80-90℃保温混合30min,再加入25g鲸蜡醇-硬脂酸-氢化蓖麻油、改性羟丙基-β-环糊精和0.5g葡萄糖酸钠,继续加热至110-120℃保温混合15min,所得混合物以5-10℃/min的降温速度冷却至0-5℃保温静置1h,最后经超微粉碎机制成微粉,即得复合助剂。
鲸蜡醇-硬脂酸-氢化蓖麻油的制备:将5g鲸蜡醇加热至熔融状态保温5min,并加入20g硬脂酸和0.05g 95%浓硫酸,继续加热至125-135℃保温混合2h,再加入5g氢化蓖麻油,继续在125-135℃保温混合1h,所得混合物自然冷却至室温后送入超微粉碎机中,经粉碎制成微粉,即得鲸蜡醇-硬脂酸-氢化蓖麻油。
明胶的改性:将10g明胶加热至液态后保温混合10min,再加入30g无水乙醇、2g三羟甲基丙烷三缩水甘油醚和2g N-异丙基丙烯酰胺,充分混合后利用微波频率2450MHz、输出功率700W的微波处理器微波回流处理5min,间隔5min后继续微波回流处理5min,间隔5min后再次微波回流处理5min,如此反复,控制微波回流处理总时间在30min,所得混合物减压浓缩直至乙醇挥干,最后经自然冷却至室温,即得改性明胶。
对照例1
向10g土壤级多聚谷氨酸中加入2g明胶和1g乙二醇二缩水甘油醚,并加热至80-90℃保温混合30min,再加入25g鲸蜡醇-硬脂酸-氢化蓖麻油、10g羟丙基-β-环糊精和0.5g葡萄糖酸钠,继续加热至110-120℃保温混合15min,所得混合物以5-10℃/min的降温速度冷却至0-5℃保温静置1h,最后经超微粉碎机制成微粉,即得复合助剂。
鲸蜡醇-硬脂酸-氢化蓖麻油的制备:将5g鲸蜡醇加热至熔融状态保温5min,并加入20g硬脂酸和0.05g 95%浓硫酸,继续加热至125-135℃保温混合2h,再加入5g氢化蓖麻油,继续在125-135℃保温混合1h,所得混合物自然冷却至室温后送入超微粉碎机中,经粉碎制成微粉,即得鲸蜡醇-硬脂酸-氢化蓖麻油。
明胶的改性:将10g明胶加热至液态后保温混合10min,再加入30g无水乙醇、2g三羟甲基丙烷三缩水甘油醚和2g N-异丙基丙烯酰胺,充分混合后利用微波频率2450MHz、输出功率700W的微波处理器微波回流处理5min,间隔5min后继续微波回流处理5min,间隔5min后再次微波回流处理5min,如此反复,控制微波回流处理总时间在30min,所得混合物减压浓缩直至乙醇挥干,最后经自然冷却至室温,即得改性明胶。
对照例2
(1)搅拌下向10g羟丙基-β-环糊精中滴加去离子水直至完全溶解,再加入3g三羟甲基丙烷三丙烯酸酯和2g双丙酮丙烯酰胺,并加热至回流状态保温混合3h,所得混合物经自然冷却至室温后送入喷雾干燥机中,干燥所得颗粒经超微粉碎机制成微粉,即得改性羟丙基-β-环糊精;
(2)向10g土壤级多聚谷氨酸中加入2g明胶和1g乙二醇二缩水甘油醚,并加热至80-90℃保温混合30min,再加入4g鲸蜡醇、17g硬脂酸、4g氢化蓖麻油、改性羟丙基-β-环糊精和0.5g葡萄糖酸钠,继续加热至110-120℃保温混合15min,所得混合物以5-10℃/min的降温速度冷却至0-5℃保温静置1h,最后经超微粉碎机制成微粉,即得复合助剂。
明胶的改性:将10g明胶加热至液态后保温混合10min,再加入30g无水乙醇、2g三羟甲基丙烷三缩水甘油醚和2g N-异丙基丙烯酰胺,充分混合后利用微波频率2450MHz、输出功率700W的微波处理器微波回流处理5min,间隔5min后继续微波回流处理5min,间隔5min后再次微波回流处理5min,如此反复,控制微波回流处理总时间在30min,所得混合物减压浓缩直至乙醇挥干,最后经自然冷却至室温,即得改性明胶。
对照例3
专利CN 106758144A实施例1所制用于纺织上浆的复合助剂。
实施例5
将实施例1-4、对照例1-3所制复合助剂按照表1所示配方(单位:kg)进行浆料配制,再通过相同上浆工艺用于同批同规格竹纤维经纱的上浆,设置不添加复合助剂的对照例4,并测定竹纤维经纱的上浆效果,结果如表2所示。
表1竹纤维经纱的上浆浆料配方
组别 | 羟丙基淀粉 | 醋酸酯淀粉 | 聚乙烯醇 | 复合助剂 | 水 |
实施例1 | 10 | 3 | 2 | 1 | 100 |
实施例2 | 10 | 3 | 2 | 1 | 100 |
实施例3 | 10 | 3 | 2 | 1 | 100 |
实施例4 | 10 | 3 | 2 | 1 | 100 |
对照例1 | 10 | 3 | 2 | 1 | 100 |
对照例2 | 10 | 3 | 2 | 1 | 100 |
对照例3 | 10 | 3 | 2 | 1 | 100 |
对照例4 | 10 | 3 | 2 | 0 | 100 |
表2竹纤维经纱的上浆效果
以上显示和描述了本发明的基本原理和主要特征和本发明的优点。本行业的技术人员应该了解,本发明不受上述实施例的限制,上述实施例和说明书中描述的只是说明本发明的原理,在不脱离本发明精神和范围的前提下,本发明还会有各种变化和改进,这些变化和改进都落入要求保护的本发明范围内。本发明要求保护范围由所附的权利要求书及其等效物界定。
Claims (5)
1.一种用于竹纤维经纱上浆的复合助剂,其特征在于,由如下重量份数的原料制成:
鲸蜡醇-硬脂酸-氢化蓖麻油15-25份、羟丙基-β-环糊精5-10份、多聚谷氨酸5-10份、三羟甲基丙烷三丙烯酸酯1-5份、双丙酮丙烯酰胺1-5份、明胶1-5份、乙二醇二缩水甘油醚0.5-2份、葡萄糖酸钠0.5-2份。
2.根据权利要求1所述的用于竹纤维经纱上浆的复合助剂,其特征在于,其制备方法包括如下步骤:
(1)搅拌下向羟丙基-β-环糊精中滴加去离子水直至完全溶解,再加入三羟甲基丙烷三丙烯酸酯和双丙酮丙烯酰胺,并加热至回流状态保温混合1-3h,所得混合物经自然冷却至室温后送入喷雾干燥机中,干燥所得颗粒经超微粉碎机制成微粉,即得改性羟丙基-β-环糊精;
(2)向多聚谷氨酸中加入明胶和乙二醇二缩水甘油醚,并加热至80-90℃保温混合15-30min,再加入鲸蜡醇-硬脂酸-氢化蓖麻油、改性羟丙基-β-环糊精和葡萄糖酸钠,继续加热至110-120℃保温混合10-15min,所得混合物以5-10℃/min的降温速度冷却至0-5℃保温静置0.5-1h,最后经超微粉碎机制成微粉,即得复合助剂。
3.根据权利要求1或2所述的用于竹纤维经纱上浆的复合助剂,其特征在于:所述多聚谷氨酸选自土壤级多聚谷氨酸。
4.根据权利要求1或2所述的用于竹纤维经纱上浆的复合助剂,其特征在于:所述鲸蜡醇-硬脂酸-氢化蓖麻油是由鲸蜡醇、硬脂酸、氢化蓖麻油经酯化反应制成,其具体制备方法为:将鲸蜡醇加热至熔融状态保温5-10min,并加入硬脂酸和95%浓硫酸,继续加热至125-135℃保温混合2-4h,再加入氢化蓖麻油,继续在125-135℃保温混合1-3h,所得混合物自然冷却至室温后送入超微粉碎机中,经粉碎制成微粉,即得鲸蜡醇-硬脂酸-氢化蓖麻油。
5.根据权利要求4所述的用于竹纤维经纱上浆的复合助剂,其特征在于:所述鲸蜡醇、硬脂酸、氢化蓖麻油、浓硫酸的质量比为5-10:15-25:5-10:0.05-0.5。
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