CN107090711A - 纱线自清洁浆料、自清洁纱线及其制备方法 - Google Patents
纱线自清洁浆料、自清洁纱线及其制备方法 Download PDFInfo
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Abstract
本发明涉及一种纱线自清洁浆料、自清洁纱线及其制备方法,该纱线自清洁浆料包括如下重量份的组分:淀粉40~60份、聚乙烯醇25~45份、生物酶1~6份、纳米氧化镍1~10份、钠基蒙脱土1~8份、环烷酸金属盐1~8份、有机醇3~15份、偶联剂1~8份、交联剂1~8份、分散剂1~8份、水100~150份。本发明的纱线自清洁浆料可使纱线表面形成非常复杂的多重纳米和微米级的超微结构,从而产生莲花效应,令纱线获得类似莲花叶的自清洁特性,而且可以在光线的作用下产生强烈催化降解功能,可以有效地除臭抗污,并能杀灭多种细菌、真菌,不易沾染污物,易于清洗。该浆料对纱线有良好的粘附性,聚乙烯醇与淀粉具有较好的相容性,且可以增强浆膜的柔韧性,提高纱线的力学机械性能。
Description
技术领域
本发明涉及纱线加工领域,特别是涉及一种纱线自清洁浆料、自清洁纱线及其制备方法。
背景技术
纱线是由纺织纤维沿长度方向聚集而成的柔软细长、并具有一定力学性质的纤维集合体。按照结构和外形分,包括长丝纱、短纤纱、特殊纱。按照组成纱线的纤维种类分,包括纯纺纱、混纺纱、涤/棉纱(T/C纱)、CVC纱等。目前,将纱线用浆料进行处理以增加其强度,即纱线上浆是织造工程的关键环节,浆纱的目的主要是提高纱线的耐磨性,减少毛羽,适当增加纱线的强力,减少伸度,以承受经纱在织造过程中受到的机械作用力,提高纱线的可织性。随着市场需求的变化和技术的不断进步,对于纱线的其他性能提出了更多样化的需求。
例如,传统的纱线易沾染污物,使得织成的布料清洗困难,给使用者带来了许多不便。
发明内容
基于此,有必要提供一种可使纱线具有自清洁特性的纱线自清洁浆料。
具体的技术方案如下:
一种纱线自清洁浆料,包括如下重量份的组分:
在其中一个实施例中,包括如下重量份的组分:
在其中一个实施例中,所述偶联剂为单烷氧基钛酸酯偶联剂、γ―(2,3-环氧丙氧)丙基三甲氧基硅烷和γ-氨丙基三乙氧基硅烷中的至少一种。
在其中一个实施例中,所述交联剂为氮丙啶交联剂和氨基硅酮交联剂中的至少一种。
在其中一个实施例中,所述分散剂为烷基酚聚氧乙烯醚、三聚磷酸钠或焦磷酸钠。
在其中一个实施例中,所述纳米氧化镍的粒径为40~100nm。
在其中一个实施例中,所述有机醇为乙醇、丙醇和丁醇中的至少一种。
在其中一个实施例中,所述纱线自清洁浆料还包括柔软剂1~2份、防腐剂1~2份。
本发明的纱线自清洁浆料一方面通过加入一定量的生物酶,通过催化分解作用可使纱线纤维的表面产生许多微米级的沟槽,形成凹凸不平的粗糙表面,提高了纱线表面的粗糙程度,从而令纱线获得拒水拒油污等自清洁特性。另一方面,加入的纳米氧化镍可高效地吸附于纱线表面,使纱线表面形成许多纳米级凸起,赋予纱线更高的粗糙程度,而且纳米氧化镍形成的纳米级凸起与生物酶形成的微米级沟槽共同组成非常复杂的多重纳米和微米级的超微结构,从而产生莲花效应,令纱线获得类似莲花叶的自清洁特性。同时,生物酶的存在可以促进纳米氧化镍吸附于纱线,提高吸附量,纳米氧化镍可以在光线的作用下产生强烈催化降解功能,可以有效地除臭抗污,并能杀灭多种细菌、真菌,进一步提高了纱线的自清洁特性。再一方面,钠基蒙脱土、环烷酸金属盐的加入可以增加纱线的疏水性,并提高纳米氧化镍的吸附牢度,进一步使纱线不易沾染污物,易于清洗。淀粉与聚乙烯醇共同作为主黏着剂,对纱线有良好的粘附性聚乙烯醇与淀粉具有较好的相容性,且可以增强浆膜的柔韧性,提高纱线的力学机械性能,环保无污染。
本发明的另一目的在于提供一种自清洁纱线的加工方法,包括以下步骤:
按照所述重量份称取各组分进行混合,在60~90℃条件下加热45~90min得到所述纱线自清洁浆料;
将纱线浸入所述纱线自清洁浆料中,然后挤压、烘干即得所述自清洁纱线。
本发明的另一目的在于提供一种根据所述加工方法制备得到的自清洁纱线。
具体实施方式
为了便于理解本发明,下面将对本发明进行更全面的描述。但是,本发明可以以许多不同的形式来实现,并不限于本文所描述的实施例。相反地,提供这些实施例的目的是使对本发明的公开内容的理解更加透彻全面。
除非另有定义,本文所使用的所有的技术和科学术语与属于本发明的技术领域的技术人员通常理解的含义相同。本文中在本发明的说明书中所使用的术语只是为了描述具体的实施例的目的,不是旨在于限制本发明。本文所使用的术语“和/或”包括一个或多个相关的所列项目的任意的和所有的组合。
本发明一种实施方式的纱线自清洁浆料,包括如下重量份的组分:
本发明的纱线自清洁浆料一方面通过加入一定量的生物酶,通过催化分解作用可使纱线纤维的表面产生许多微米级的沟槽,形成凹凸不平的粗糙表面,提高了纱线表面的粗糙程度,从而令纱线获得拒水拒油污等自清洁特性。另一方面,加入的纳米氧化镍可高效地吸附于纱线表面,使纱线表面形成许多纳米级凸起,赋予纱线更高的粗糙程度,而且纳米氧化镍形成的纳米级凸起与生物酶形成的微米级沟槽共同组成非常复杂的多重纳米和微米级的超微结构,从而产生莲花效应,令纱线获得类似莲花叶的自清洁特性。同时,生物酶的存在可以促进纳米氧化镍吸附于纱线,提高吸附量,纳米氧化镍可以在光线的作用下产生强烈催化降解功能,可以有效地除臭抗污,并能杀灭多种细菌、真菌,进一步提高了纱线的自清洁特性。再一方面,钠基蒙脱土、环烷酸金属盐的加入可以增加纱线的疏水性,并提高纳米氧化镍的吸附牢度,进一步使纱线不易沾染污物,易于清洗。淀粉与聚乙烯醇共同作为主黏着剂,对纱线有良好的粘附性,聚乙烯醇与淀粉具有较好的相容性,且可以增强浆膜的柔韧性,提高纱线的力学机械性能,环保无污染。
在一个实施例中,包括如下重量份的组分:
可选地,生物酶为中性纤维素酶或酸性纤维素酶。可以理解,酶的种类不限于此,可根据需要选择。
具体地,偶联剂可选自单烷氧基钛酸酯偶联剂、γ―(2,3-环氧丙氧)丙基三甲氧基硅烷、γ-氨丙基三乙氧基硅烷、N-(β氨乙基)-γ-氨丙基甲基-二甲氧基硅烷和γ-甲基丙烯酰氧基丙基三甲氧基硅烷。优选地,偶联剂为单烷氧基钛酸酯偶联剂、γ―(2,3-环氧丙氧)丙基三甲氧基硅烷和γ-氨丙基三乙氧基硅烷中的至少一种。更优选地,偶联剂为γ-氨丙基三乙氧基硅烷。通过上述偶联剂可与纳米氧化镍作用通过空间位阻效应改善纱线与纳米氧化镍的相容性,从而促进吸附。
具体地,交联剂为氮丙啶交联剂和氨基硅酮交联剂中的至少一种。优选地,交联剂为氨基硅酮交联剂。通过上述交联剂可以有效提高纳米氧化镍与纱线的吸附牢度,使纱线自清洁功能的持久性较好。
具体地,分散剂为烷基酚聚氧乙烯醚、三聚磷酸钠或焦磷酸钠。通过上述分散剂可有效提高纳米氧化镍、钠基蒙脱土的分散效果和稳定性,防止颗粒的沉降和凝聚,提高作用效果。
在一个实施例中,纳米氧化镍的粒径为40~100nm。
在一个实施例中,有机醇为乙醇、丙醇和丁醇中的至少一种。
在一个实施例中,纱线自清洁浆料还包括柔软剂1~2份、防腐剂1~2份,从而能提高纱线柔韧性,借以承受织造时的动态负荷,以及抑制微生物在浆料中或纱线上繁殖,以防浆料变质或纱线发霉。
具体地,淀粉为酸解淀粉、醚化淀粉或接枝淀粉,优选为接枝淀粉。接枝淀粉可以由多种烯类单体同时或分别与淀粉进行接枝共聚而得,因而能够根据需要,应用相似相容的原理进行合理选择,从而对纱线具有较强的黏附性能和适应性能。
本发明一种实施方式的自清洁纱线的加工方法,包括以下步骤S1~S2:
步骤S1:按照上述重量份称取各组分进行混合,在60~90℃条件下加热45~90min得到上述纱线自清洁浆料。
步骤S2:将纱线浸入上述纱线自清洁浆料中,然后挤压、烘干即得上述自清洁纱线。
本发明还提供了上述自清洁纱线的加工方法制备得到的自清洁纱线。
以下为具体实施例。
实施例1-5
根据表1中的重量份称取各组分进行混合,在80℃条件下加热60min得到纱线自清洁浆料,将纱线浸入纱线自清洁浆料中,然后挤压、烘干即得自清洁纱线。
表1
对比例1~5
根据表2中的重量份称取各组分进行混合,在80℃条件下加热60min得到浆料,将纱线浸入浆料中,然后挤压、烘干即可。
表2
对实施例1~5和对比例1~5制备得到的产品进行拒水拒油性能测试,测试结果如表4所示。拒水性能测试按AATCC22-1977方法进行,将产品制成织物,截取18×18cm2的织物一块,紧绷于试样夹持器(金属弯曲环)上,并以45°放置。使织物的经向顺着表面水珠流下的方向,织物表面的中心在喷水中心下方的150mm处。将250ml冷水迅速倾入上方的容器中,使水约在25~30s内喷洒于织物表面。喷洒完毕,取起试样夹持器,使织物被喷淋的一面向下成水平,然后对着一硬物轻敲两次。将织物与标准图对照,评定拒水等级。1级为受淋表面全部润湿;2级为受淋表面仅有一半润湿,通常指小块不连接的润湿面积的总和,3级为受淋表面仅有不连接的小面积润湿;4级为受淋表面没有润湿,但在表面沾有水珠;5级为受淋表面没有润湿,且在表面也没有沾上小水珠。
拒油性能测试采用AATCC118-2002方法进行,测试原理为采用具有不同表面张力的液态碳氢化合物所组成的一系列标准试液,滴在产品的表面,根据产品的润湿吸附情况评出产品拒油性能,拒油等级以产品表面不润湿的测试试液的最高编号为准。拒油等级标准试液按照表3所示准备,将产品放置在平面上,产品下面垫上白色吸水纸。从最低等级的测试液开始滴油(油滴的直径大约为5mm或体积为0.05ml,油滴之间至少相距4.0cm),每个等级做5个平行试验,滴油时油滴距离产品约0.6cm。从约45°角的方向观察液滴30±2s时间内的润湿情况,如果没有出现润湿现象,再滴高一号的试液。重复以上操作,直到产品在30±2s时间内在液滴下面或液滴周围出现明显的润湿为止,润湿的正常迹象为油滴周围产品颜色变深,油滴渗化或消失。5个平行试验中,若有3个以上通过,则表示该级别测试通过,反之则表示未通过该级别测试。
表3
接触角是指在气、液、固三相交点处所作的气-液界面的切线穿过液体与固-液交界线之间的夹角θ,是润湿程度的量度。若θ<90°,则固体表面是亲水性的,即液体较易润湿固体,其角越小,表示润湿性越好;若θ>90°,则固体表面是疏水性的,即液体不容易润湿固体,容易在表面上移动。
从表4可知,实施例1~5的产品与对比例1~5相比接触角较大,不容易被液体润湿,拒水、拒油等级较高,不易沾染污物,易于清洗,具备优秀的自清洁特性。进一步地,通过实施例1~5可知,在实施例3的组分配比下,纱线的接触角更大,自清洁效果更好。对比例4中,可能由于生物酶添加过多,对纱线产生过度的降解作用,使纱线表面产生较大的缺口,反而使纱线的抗水拒油效果较低。对比例5中,纳米氧化镍添加量较高,可能导致过饱和从而容易聚合沉降,对纱线的吸附效果变差,导致抗水拒油效果不佳。
表4
以上所述实施例的各技术特征可以进行任意的组合,为使描述简洁,未对上述实施例中的各个技术特征所有可能的组合都进行描述,然而,只要这些技术特征的组合不存在矛盾,都应当认为是本说明书记载的范围。
以上所述实施例仅表达了本发明的几种实施方式,其描述较为具体和详细,但并不能因此而理解为对发明专利范围的限制。应当指出的是,对于本领域的普通技术人员来说,在不脱离本发明构思的前提下,还可以做出若干变形和改进,这些都属于本发明的保护范围。因此,本发明专利的保护范围应以所附权利要求为准。
Claims (10)
1.一种纱线自清洁浆料,其特征在于,包括如下重量份的组分:
2.根据权利要求1所述的纱线自清洁浆料,其特征在于,包括如下重量份的组分:
3.根据权利要求1所述的纱线自清洁浆料,其特征在于,所述偶联剂为单烷氧基钛酸酯偶联剂、γ―(2,3-环氧丙氧)丙基三甲氧基硅烷和γ-氨丙基三乙氧基硅烷中的至少一种。
4.根据权利要求1所述的纱线自清洁浆料,其特征在于,所述交联剂为氮丙啶交联剂和氨基硅酮交联剂中的至少一种。
5.根据权利要求1所述的纱线自清洁浆料,其特征在于,所述分散剂为烷基酚聚氧乙烯醚、三聚磷酸钠或焦磷酸钠。
6.根据权利要求1所述的纱线自清洁浆料,其特征在于,所述纳米氧化镍的粒径为40~100nm。
7.根据权利要求1所述的纱线自清洁浆料,其特征在于,所述有机醇为乙醇、丙醇和丁醇中的至少一种。
8.根据权利要求1~7任一项所述的纱线自清洁浆料,其特征在于,所述纱线自清洁浆料还包括柔软剂1~2份、防腐剂1~2份。
9.一种自清洁纱线的加工方法,其特征在于,包括以下步骤:
按照权利要求1~8任一项所述的重量份称取各组分进行混合,在60~90℃条件下加热45~90min得到所述纱线自清洁浆料;
将纱线浸入所述纱线自清洁浆料中,然后挤压、烘干即得所述自清洁纱线。
10.一种自清洁纱线,其特征在于,根据权利要求9所述的加工方法制备得到。
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