CN114606635A - 一种抑菌弹性校服面料及其制备方法 - Google Patents
一种抑菌弹性校服面料及其制备方法 Download PDFInfo
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- CN114606635A CN114606635A CN202210192047.7A CN202210192047A CN114606635A CN 114606635 A CN114606635 A CN 114606635A CN 202210192047 A CN202210192047 A CN 202210192047A CN 114606635 A CN114606635 A CN 114606635A
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Abstract
本发明公开了一种抑菌弹性校服面料及其制备方法,所述抑菌弹性校服面料由保暖抑菌复合纤维经针织或机织工艺制得;所述保暖抑菌复合纤维包括内层和外层;所述外层包覆于所述内层的外表面,且所述外层的截面轮廓呈圆形;所述内层和外层的截面面积之比为1:1.45;所述内层由包括以下重量份的原料制成:聚己二酰己二胺:93份、聚氨酯弹性体:7份。本发明的抑菌弹性校服面料采用的特制保暖抑菌复合纤维具有内层和外层结构,抑菌率高,具有良好的抑菌效果,穿着吸汗不容易滋生细菌,不容易发霉发臭;弹性性能好,具有良好的回弹性,且手感柔软,穿着舒适;吸湿排汗性能好,拉伸强度高,力学性能好;适合作为校服面料。
Description
本发明是申请号为202010924002.5,申请日为2020年09月04日,名称为“一种保暖抑菌校服面料及其制备方法”的发明专利申请的分案申请。
技术领域
本发明涉及纺织面料技术领域,具体涉及一种抑菌弹性校服面料及其制备方法。
背景技术
面料就是用来制作服装的材料。作为服装三要素之一,面料不仅可以诠释服装的风格和特性,而且直接左右着服装的色彩、造型的表现效果。其中,功能性面料是指具有某种特殊性能和用途的面料,比如防水、防风、透气、透湿、保暖、防油、易去污、防菌除臭、防紫外线、防静电、防辐射、防阻燃、耐高温、耐酸碱等功能。市场上的功能性面料以服装面料为主,多用于户外运动服、高档休闲服中。
学生特别是中小学生由于处于成长阶段,具有运动量大、易出汗、对外界有毒有害物质抵抗能力较差等特点,一直以来他们的健康成长都是全社会关注的焦点,而作为与之密切相关的学生服装质量的好坏也就越来越多的得到了社会各方的重视,因此,对校服面料的生产质量水平提出了更高的要求。
但是,目前所使用的校服面料还存在以下问题:
1、保暖性能较差,抑菌效果差,运动出汗后容易发霉发臭;
2、吸湿排汗性能、弹性、耐磨性能和力学强度等综合性能较差,缺少一种综合性能优良的抑菌弹性校服面料。
发明内容
基于上述情况,本发明的目的在于提供一种抑菌弹性校服面料及其制备方法,可有效解决以上问题。本发明的抑菌弹性校服面料采用的特制保暖抑菌复合纤维具有内层和外层结构,并通过精选各层原料组成,优化各原料含量,由保暖抑菌复合纤维经针织或机织工艺制得的抑菌弹性校服面料的抑菌率高,具有良好的抑菌效果,穿着吸汗不容易滋生细菌,不容易发霉发臭;弹性性能好,具有良好的回弹性,且手感柔软,穿着舒适;吸湿排汗性能好,拉伸强度高,力学性能好;适合作为校服面料。
为解决以上技术问题,本发明提供的技术方案是:
一种抑菌弹性校服面料,所述抑菌弹性校服面料由保暖抑菌复合纤维经针织或机织工艺制得;
所述保暖抑菌复合纤维包括内层和外层;
所述外层包覆于所述内层的外表面,且所述外层的截面轮廓呈圆形;
所述内层和外层的截面面积之比为1:1.35~1.55;
所述内层由包括以下重量份的原料制成:
聚己二酰己二胺:88~98份、
聚氨酯弹性体:5~9份;
所述外层由包括以下重量份的原料制成:
尼龙56:65~75份、
聚己二酰己二胺:15~20份、
聚氨酯弹性体:20~28份、
气凝胶二氧化硅5~7份、
负载纳米银粒子还原石墨烯3~4份。
本发明的抑菌弹性校服面料采用的特制保暖抑菌复合纤维具有内层和外层结构,并通过精选各层原料组成,优化各原料含量,由保暖抑菌复合纤维经针织或机织工艺制得的抑菌弹性校服面料的抑菌率高,具有良好的抑菌效果,穿着吸汗不容易滋生细菌,不容易发霉发臭;弹性性能好,具有良好的回弹性,且手感柔软,穿着舒适;吸湿排汗性能好,拉伸强度高,力学性能好;适合作为校服面料。
优选的,所述内层和外层的截面面积之比为1:1.45;
优选的,所述内层由包括以下重量份的原料制成:
聚己二酰己二胺:93份、
聚氨酯弹性体:7份;
优选的,所述外层由包括以下重量份的原料制成:
尼龙56:70份、
聚己二酰己二胺:17.5份、
聚氨酯弹性体:24份、
气凝胶二氧化硅6份、
负载纳米银粒子还原石墨烯3.5份。
优选的,所述负载纳米银粒子还原石墨烯中负载的纳米银粒子和还原石墨烯的质量之比为1:0.85。
优选的,所述内层的截面轮廓呈正三角星形。
这样可更好的提升本发明的抑菌弹性校服面料采用的拉伸功回复率,即从结构上进一步提升发明的抑菌弹性校服面料采用的回弹性和力学性能。
优选的,还包括分散润滑剂3.3份;
优选的,所述分散润滑剂为乙撑双油酸酰胺和马来酸酐接枝聚乙烯的混合物。
优选的,所述乙撑双油酸酰胺和马来酸酐接枝聚乙烯的混合物中乙撑双油酸酰胺和马来酸酐接枝聚乙烯的质量之比为1:0.84。
优选的,所述聚氨酯弹性体由包括以下重量份的原料制成:
聚己二酸1,6-己二醇酯二醇60~70份、
聚乙二醇15~20份、
三羟甲基丙烷3.5~5份、
端羟基含氟聚酯聚硅氧烷20~28份、
γ-甲基丙烯酰氧基丙基三甲氧基硅烷2.5~3.5份、
六亚甲基二异氰酸酯2.4~3.2份。
优选的,所述聚氨酯弹性体由包括以下重量份的原料制成:
聚己二酸1,6-己二醇酯二醇65份、
聚乙二醇17.5份、
三羟甲基丙烷4.3份、
端羟基含氟聚酯聚硅氧烷24份、
γ-甲基丙烯酰氧基丙基三甲氧基硅烷3份、
六亚甲基二异氰酸酯2.8份。
优选的,所述聚氨酯弹性体的制备方法包括如下步骤:
1)将聚己二酸1,6-己二醇酯二醇、端羟基含氟聚酯聚硅氧烷、2/5的六亚甲基二异氰酸酯投入反应容器中,搅拌混合均匀;
2)升温至57~59℃,持续搅拌,反应10~14min;
3)然后分别滴加聚乙二醇以及剩余的六亚甲基二异氰酸酯,滴加时间控制在40~50min;然后加入三羟甲基丙烷,升温至80~83℃,持续搅拌,继续反应至NCO值测定值低于0.37%;
4)然后降温至72~74℃,加入γ-甲基丙烯酰氧基丙基三甲氧基硅烷,持续搅拌,继续反应1~2h;出料,即得到所述聚氨酯弹性体。
本发明特制的聚氨酯弹性体,该聚氨酯弹性体的添加,大大提高了本发明的抑菌弹性校服面料的弹性性能,使本发明的抑菌弹性校服面料具有良好的回弹性,且手感柔软,穿着舒适。
本发明还提供一种所述的抑菌弹性校服面料的制备方法,包括下列步骤:
A、按重量份分别称取所述的抑菌弹性校服面料的内层和外层的各原料,将内层和外层的各原料分别进行烘干,然后分别将内层和外层原料分别混合均匀,备用;
B、将混合后的内层原料送入单螺杆挤出机熔融成内层混合熔体;
C、将混合后的外层原料送入双螺杆挤出机熔融成外层混合熔体;
D、所述内层混合熔体和外层混合熔体,进入复合纺丝机,经熔体分配后,从复合喷丝板中喷出,形成具有内层和外层结构的丝条,然后经吹风冷却、上油、拉伸卷绕,得到保暖抑菌复合纤维;
E、然后将所述保暖抑菌复合纤维经针织或机织工艺制得所述抑菌弹性校服面料。
本发明与现有技术相比,具有以下优点及有益效果:
本发明的抑菌弹性校服面料采用的特制保暖抑菌复合纤维具有内层和外层结构,并通过精选各层原料组成,优化各原料含量,由保暖抑菌复合纤维经针织或机织工艺制得的抑菌弹性校服面料的抑菌率高,具有良好的抑菌效果,穿着吸汗不容易滋生细菌,不容易发霉发臭;弹性性能好,具有良好的回弹性,且手感柔软,穿着舒适;吸湿排汗性能好,拉伸强度高,力学性能好;适合作为校服面料。
其中,本发明所述的保暖抑菌复合纤维中,内层采用聚己二酰己二胺作为主要的基体材料,具有较好的强度、耐磨性能,保证了本发明所述的保暖抑菌复合纤维力学性能,且价格相对便宜。
配合添加了适量的聚氨酯弹性体(较少添加量),该聚氨酯弹性体的添加,大大提高了本发明的抑菌弹性校服面料的弹性性能,使本发明的抑菌弹性校服面料具有良好的弹性,且手感柔软,穿着舒适。
外层采用尼龙56作为主要的基体材料,具有吸湿排汗佳、耐磨性能强、耐热、低温柔软、染色性优异等优点。
配合添加了适量的特制聚氨酯弹性体,该聚氨酯弹性体的添加,大大提高了本发明的抑菌弹性校服面料的弹性性能,使本发明的抑菌弹性校服面料具有良好的回弹性,且手感柔软,穿着舒适。
添加了适量的聚己二酰己二胺,其具有良好的耐磨性能和力学性能,进一步提高本发明的抑菌弹性校服面料的耐磨性能和力学强度。
添加适量的气凝胶二氧化硅,与其他组分相互配合,显著改善了本发明的保暖抑菌复合纤维的隔热效果,使发明的保暖抑菌复合纤维的具有良好的保暖性,且提升了发明的保暖抑菌复合纤维的吸湿排汗性能,还提升发明的保暖抑菌复合纤维的耐磨性能。
添加适量的负载纳米银粒子还原石墨烯,与其他组分相互配合,显著提升了本发明的保暖抑菌复合纤维的抑菌率,使本发明的保暖抑菌复合纤维具有良好的抑菌效果,且负载纳米银粒子还原石墨烯在本发明的原料中具有缓释功能,抗菌效果持久;且还起到良好减磨性能,提高了发明的保暖抑菌复合纤维的耐磨性能和力学性能。
添加了适量的乙撑双油酸酰胺和马来酸酐接枝聚乙烯,两者相互配合,起到良好的协同作用,在本发明的原料体系中具有良好润滑分散作用,使本发明的保暖抑菌复合纤维的外层各原料更容易混合均匀,从而保证了由保暖抑菌复合纤维经针织或机织工艺制得的抑菌弹性校服面料的抑菌率高,具有良好的抑菌效果,穿着吸汗不容易滋生细菌,不容易发霉发臭;弹性性能好,具有良好的回弹性,且手感柔软,穿着舒适;吸湿排汗性能好,拉伸强度高,力学性能好;适合作为校服面料。
本发明的制备方法工艺简单,操作简便,节省了人力和设备成本。
具体实施方式
为了使本领域的技术人员更好地理解本发明的技术方案,下面结合具体实施例对本发明的优选实施方案进行描述,但是不能理解为对本专利的限制。
下述实施例中所述试验方法或测试方法,如无特殊说明,均为常规方法;所述试剂和材料,如无特殊说明,均从常规商业途径获得,或以常规方法制备。
实施例1:
一种抑菌弹性校服面料,所述抑菌弹性校服面料由保暖抑菌复合纤维经针织或机织工艺制得;
所述保暖抑菌复合纤维包括内层和外层;
所述外层包覆于所述内层的外表面,且所述外层的截面轮廓呈圆形;
所述内层和外层的截面面积之比为1:1.35~1.55;
所述内层由包括以下重量份的原料制成:
聚己二酰己二胺:88~98份、
聚氨酯弹性体:5~9份;
所述外层由包括以下重量份的原料制成:
尼龙56:65~75份、
聚己二酰己二胺:15~20份、
聚氨酯弹性体:20~28份、
气凝胶二氧化硅5~7份、
负载纳米银粒子还原石墨烯3~4份。
在本实施例中,所述内层和外层的截面面积之比优选为1:1.45;
在本实施例中,所述内层优选由包括以下重量份的原料制成:
聚己二酰己二胺:93份、
聚氨酯弹性体:7份;
在本实施例中,所述外层优选由包括以下重量份的原料制成:
尼龙56:70份、
聚己二酰己二胺:17.5份、
聚氨酯弹性体:24份、
气凝胶二氧化硅6份、
负载纳米银粒子还原石墨烯3.5份。
在本实施例中,所述负载纳米银粒子还原石墨烯中负载的纳米银粒子和还原石墨烯的质量之比优选为1:0.85。
在本实施例中,所述内层的截面轮廓优选呈正三角星形。
在本实施例中,优选还包括分散润滑剂3.3份;
在本实施例中,所述分散润滑剂优选为乙撑双油酸酰胺和马来酸酐接枝聚乙烯的混合物。
在本实施例中,所述乙撑双油酸酰胺和马来酸酐接枝聚乙烯的混合物中乙撑双油酸酰胺和马来酸酐接枝聚乙烯的质量之比优选为1:0.84。
在本实施例中,所述聚氨酯弹性体优选由包括以下重量份的原料制成:
聚己二酸1,6-己二醇酯二醇60~70份、
聚乙二醇15~20份、
三羟甲基丙烷3.5~5份、
端羟基含氟聚酯聚硅氧烷20~28份、
γ-甲基丙烯酰氧基丙基三甲氧基硅烷2.5~3.5份、
六亚甲基二异氰酸酯2.4~3.2份。
在本实施例中,所述聚氨酯弹性体优选由包括以下重量份的原料制成:
聚己二酸1,6-己二醇酯二醇65份、
聚乙二醇17.5份、
三羟甲基丙烷4.3份、
端羟基含氟聚酯聚硅氧烷24份、
γ-甲基丙烯酰氧基丙基三甲氧基硅烷3份、
六亚甲基二异氰酸酯2.8份。
在本实施例中,所述聚氨酯弹性体的制备方法优选包括如下步骤:
1)将聚己二酸1,6-己二醇酯二醇、端羟基含氟聚酯聚硅氧烷、2/5的六亚甲基二异氰酸酯投入反应容器中,搅拌混合均匀;
2)升温至57~59℃,持续搅拌,反应10~14min;
3)然后分别滴加聚乙二醇以及剩余的六亚甲基二异氰酸酯,滴加时间控制在40~50min;然后加入三羟甲基丙烷,升温至80~83℃,持续搅拌,继续反应至NCO值测定值低于0.37%;
4)然后降温至72~74℃,加入γ-甲基丙烯酰氧基丙基三甲氧基硅烷,持续搅拌,继续反应1~2h;出料,即得到所述聚氨酯弹性体。
本发明还提供一种所述的抑菌弹性校服面料的制备方法,包括下列步骤:
A、按重量份分别称取所述的抑菌弹性校服面料的内层和外层的各原料,将内层和外层的各原料分别进行烘干,然后分别将内层和外层原料分别混合均匀,备用;
B、将混合后的内层原料送入单螺杆挤出机熔融成内层混合熔体;
C、将混合后的外层原料送入双螺杆挤出机熔融成外层混合熔体;
D、所述内层混合熔体和外层混合熔体,进入复合纺丝机,经熔体分配后,从复合喷丝板中喷出,形成具有内层和外层结构的丝条,然后经吹风冷却、上油、拉伸卷绕,得到保暖抑菌复合纤维;
E、然后将所述保暖抑菌复合纤维经针织或机织工艺制得所述抑菌弹性校服面料。
实施例2:
一种抑菌弹性校服面料,所述抑菌弹性校服面料由保暖抑菌复合纤维经针织或机织工艺制得;
所述保暖抑菌复合纤维包括内层和外层;
所述外层包覆于所述内层的外表面,且所述外层的截面轮廓呈圆形;
所述内层和外层的截面面积之比为1:1.35;
所述内层由包括以下重量份的原料制成:
聚己二酰己二胺:88份、
聚氨酯弹性体:5份;
所述外层由包括以下重量份的原料制成:
尼龙56:65份、
聚己二酰己二胺:15份、
聚氨酯弹性体:20份、
气凝胶二氧化硅5份、
负载纳米银粒子还原石墨烯3份。
在本实施例中,所述负载纳米银粒子还原石墨烯中负载的纳米银粒子和还原石墨烯的质量之比为1:0.85。
在本实施例中,所述内层的截面轮廓呈正三角星形。
在本实施例中,还包括分散润滑剂3.3份;
在本实施例中,所述分散润滑剂为乙撑双油酸酰胺和马来酸酐接枝聚乙烯的混合物。
在本实施例中,所述乙撑双油酸酰胺和马来酸酐接枝聚乙烯的混合物中乙撑双油酸酰胺和马来酸酐接枝聚乙烯的质量之比为1:0.84。
在本实施例中,所述聚氨酯弹性体由包括以下重量份的原料制成:
聚己二酸1,6-己二醇酯二醇60份、
聚乙二醇15份、
三羟甲基丙烷3.5份、
端羟基含氟聚酯聚硅氧烷20份、
γ-甲基丙烯酰氧基丙基三甲氧基硅烷2.5份、
六亚甲基二异氰酸酯2.4份。
在本实施例中,所述聚氨酯弹性体的制备方法包括如下步骤:
1)将聚己二酸1,6-己二醇酯二醇、端羟基含氟聚酯聚硅氧烷、2/5的六亚甲基二异氰酸酯投入反应容器中,搅拌混合均匀;
2)升温至57℃,持续搅拌,反应14min;
3)然后分别滴加聚乙二醇以及剩余的六亚甲基二异氰酸酯,滴加时间控制在50min;然后加入三羟甲基丙烷,升温至80℃,持续搅拌,继续反应至NCO值测定值低于0.37%;
4)然后降温至72℃,加入γ-甲基丙烯酰氧基丙基三甲氧基硅烷,持续搅拌,继续反应2h;出料,即得到所述聚氨酯弹性体。
在本实施例中,所述的抑菌弹性校服面料的制备方法,包括下列步骤:
A、按重量份分别称取所述的抑菌弹性校服面料的内层和外层的各原料,将内层和外层的各原料分别进行烘干,然后分别将内层和外层原料分别混合均匀,备用;
B、将混合后的内层原料送入单螺杆挤出机熔融成内层混合熔体;
C、将混合后的外层原料送入双螺杆挤出机熔融成外层混合熔体;
D、所述内层混合熔体和外层混合熔体,进入复合纺丝机,经熔体分配后,从复合喷丝板中喷出,形成具有内层和外层结构的丝条,然后经吹风冷却、上油、拉伸卷绕,得到保暖抑菌复合纤维;
E、然后将所述保暖抑菌复合纤维经针织或机织工艺制得所述抑菌弹性校服面料。
实施例3:
一种抑菌弹性校服面料,所述抑菌弹性校服面料由保暖抑菌复合纤维经针织或机织工艺制得;
所述保暖抑菌复合纤维包括内层和外层;
所述外层包覆于所述内层的外表面,且所述外层的截面轮廓呈圆形;
所述内层和外层的截面面积之比为1:1.55;
所述内层由包括以下重量份的原料制成:
聚己二酰己二胺:98份、
聚氨酯弹性体:9份;
所述外层由包括以下重量份的原料制成:
尼龙56:75份、
聚己二酰己二胺:20份、
聚氨酯弹性体:28份、
气凝胶二氧化硅7份、
负载纳米银粒子还原石墨烯4份。
在本实施例中,所述负载纳米银粒子还原石墨烯中负载的纳米银粒子和还原石墨烯的质量之比为1:0.85。
在本实施例中,所述内层的截面轮廓呈正三角星形。
在本实施例中,还包括分散润滑剂3.3份;
在本实施例中,所述分散润滑剂为乙撑双油酸酰胺和马来酸酐接枝聚乙烯的混合物。
在本实施例中,所述乙撑双油酸酰胺和马来酸酐接枝聚乙烯的混合物中乙撑双油酸酰胺和马来酸酐接枝聚乙烯的质量之比为1:0.84。
在本实施例中,所述聚氨酯弹性体由包括以下重量份的原料制成:
聚己二酸1,6-己二醇酯二醇70份、
聚乙二醇20份、
三羟甲基丙烷5份、
端羟基含氟聚酯聚硅氧烷28份、
γ-甲基丙烯酰氧基丙基三甲氧基硅烷3.5份、
六亚甲基二异氰酸酯3.2份。
在本实施例中,所述聚氨酯弹性体的制备方法包括如下步骤:
1)将聚己二酸1,6-己二醇酯二醇、端羟基含氟聚酯聚硅氧烷、2/5的六亚甲基二异氰酸酯投入反应容器中,搅拌混合均匀;
2)升温至59℃,持续搅拌,反应10min;
3)然后分别滴加聚乙二醇以及剩余的六亚甲基二异氰酸酯,滴加时间控制在40min;然后加入三羟甲基丙烷,升温至83℃,持续搅拌,继续反应至NCO值测定值低于0.37%;
4)然后降温至74℃,加入γ-甲基丙烯酰氧基丙基三甲氧基硅烷,持续搅拌,继续反应1h;出料,即得到所述聚氨酯弹性体。
在本实施例中,所述的抑菌弹性校服面料的制备方法,包括下列步骤:
A、按重量份分别称取所述的抑菌弹性校服面料的内层和外层的各原料,将内层和外层的各原料分别进行烘干,然后分别将内层和外层原料分别混合均匀,备用;
B、将混合后的内层原料送入单螺杆挤出机熔融成内层混合熔体;
C、将混合后的外层原料送入双螺杆挤出机熔融成外层混合熔体;
D、所述内层混合熔体和外层混合熔体,进入复合纺丝机,经熔体分配后,从复合喷丝板中喷出,形成具有内层和外层结构的丝条,然后经吹风冷却、上油、拉伸卷绕,得到保暖抑菌复合纤维;
E、然后将所述保暖抑菌复合纤维经针织或机织工艺制得所述抑菌弹性校服面料。
实施例4:
一种抑菌弹性校服面料,所述抑菌弹性校服面料由保暖抑菌复合纤维经针织或机织工艺制得;
所述保暖抑菌复合纤维包括内层和外层;
所述外层包覆于所述内层的外表面,且所述外层的截面轮廓呈圆形;
在本实施例中,所述内层和外层的截面面积之比为1:1.45;
在本实施例中,所述内层由包括以下重量份的原料制成:
聚己二酰己二胺:93份、
聚氨酯弹性体:7份;
在本实施例中,所述外层由包括以下重量份的原料制成:
尼龙56:70份、
聚己二酰己二胺:17.5份、
聚氨酯弹性体:24份、
气凝胶二氧化硅6份、
负载纳米银粒子还原石墨烯3.5份。
在本实施例中,所述负载纳米银粒子还原石墨烯中负载的纳米银粒子和还原石墨烯的质量之比为1:0.85。
在本实施例中,所述内层的截面轮廓呈正三角星形。
在本实施例中,还包括分散润滑剂3.3份;
在本实施例中,所述分散润滑剂为乙撑双油酸酰胺和马来酸酐接枝聚乙烯的混合物。
在本实施例中,所述乙撑双油酸酰胺和马来酸酐接枝聚乙烯的混合物中乙撑双油酸酰胺和马来酸酐接枝聚乙烯的质量之比为1:0.84。
在本实施例中,所述聚氨酯弹性体由包括以下重量份的原料制成:
聚己二酸1,6-己二醇酯二醇65份、
聚乙二醇17.5份、
三羟甲基丙烷4.3份、
端羟基含氟聚酯聚硅氧烷24份、
γ-甲基丙烯酰氧基丙基三甲氧基硅烷3份、
六亚甲基二异氰酸酯2.8份。
在本实施例中,所述聚氨酯弹性体的制备方法包括如下步骤:
1)将聚己二酸1,6-己二醇酯二醇、端羟基含氟聚酯聚硅氧烷、2/5的六亚甲基二异氰酸酯投入反应容器中,搅拌混合均匀;
2)升温至58℃,持续搅拌,反应12min;
3)然后分别滴加聚乙二醇以及剩余的六亚甲基二异氰酸酯,滴加时间控制在45min;然后加入三羟甲基丙烷,升温至81℃,持续搅拌,继续反应至NCO值测定值低于0.37%;
4)然后降温至73℃,加入γ-甲基丙烯酰氧基丙基三甲氧基硅烷,持续搅拌,继续反应1.5h;出料,即得到所述聚氨酯弹性体。
在本实施例中,所述的抑菌弹性校服面料的制备方法,包括下列步骤:
A、按重量份分别称取所述的抑菌弹性校服面料的内层和外层的各原料,将内层和外层的各原料分别进行烘干,然后分别将内层和外层原料分别混合均匀,备用;
B、将混合后的内层原料送入单螺杆挤出机熔融成内层混合熔体;
C、将混合后的外层原料送入双螺杆挤出机熔融成外层混合熔体;
D、所述内层混合熔体和外层混合熔体,进入复合纺丝机,经熔体分配后,从复合喷丝板中喷出,形成具有内层和外层结构的丝条,然后经吹风冷却、上油、拉伸卷绕,得到保暖抑菌复合纤维;
E、然后将所述保暖抑菌复合纤维经针织或机织工艺制得所述抑菌弹性校服面料。
下面对本发明实施例2至实施例4得到的抑菌弹性校服面料(克重500g/m2)以及市售尼龙56面料(克重500g/m2)进行性能测试,测试结果如表1所示。
其中,拉伸功回复率参考文献【蒋志青,马延涛,郭亚等.仿针织牛仔面料的开发及性能评价[J].纺织学报,2018,(3):45-49.】进行测试。
表1
从上表可以看出,与市售尼龙56面料相比,本发明的抑菌弹性校服面料的各项性能指标均有显著提升,具有以下优点:抑菌率高,具有良好的抑菌效果,穿着吸汗不容易滋生细菌,不容易发霉发臭;弹性性能好,具有良好的回弹性,且手感柔软,穿着舒适;吸湿排汗性能好,拉伸强度高,力学性能好;适合作为校服面料。
以上仅是本发明的优选实施方式,应当指出的是,上述优选实施方式不应视为对本发明的限制,本发明的保护范围应当以权利要求所限定的范围为准。对于本技术领域的普通技术人员来说,在不脱离本发明的精神和范围内,还可以做出若干改进和润饰,这些改进和润饰也应视为本发明的保护范围。
Claims (2)
1.一种抑菌弹性校服面料的制备方法,其特征在于,所述抑菌弹性校服面料由保暖抑菌复合纤维经针织或机织工艺制得;所述保暖抑菌复合纤维包括内层和外层;所述外层包覆于所述内层的外表面,且所述外层的截面轮廓呈圆形,所述内层的截面轮廓呈正三角星形;所述内层和外层的截面面积之比为1:1.45;所述内层由包括以下重量份的原料制成:聚己二酰己二胺:93份、聚氨酯弹性体:7份;所述外层由包括以下重量份的原料制成:尼龙56:70份、聚己二酰己二胺:17.5份、聚氨酯弹性体:24份、气凝胶二氧化硅6份、负载纳米银粒子还原石墨烯3.5份、分散润滑剂3.3份;所述负载纳米银粒子还原石墨烯中负载的纳米银粒子和还原石墨烯的质量之比为1:0.85;所述分散润滑剂为乙撑双油酸酰胺和马来酸酐接枝聚乙烯的混合物,所述乙撑双油酸酰胺和马来酸酐接枝聚乙烯的质量之比为1:0.84;所述聚氨酯弹性体由包括以下重量份的原料制成:聚己二酸1,6-己二醇酯二醇65份、聚乙二醇17.5份、三羟甲基丙烷4.3份、端羟基含氟聚酯聚硅氧烷24份、γ-甲基丙烯酰氧基丙基三甲氧基硅烷3份、六亚甲基二异氰酸酯2.8份;所述聚氨酯弹性体的制备方法包括如下步骤:1)将聚己二酸1,6-己二醇酯二醇、端羟基含氟聚酯聚硅氧烷、2/5的六亚甲基二异氰酸酯投入反应容器中,搅拌混合均匀;2)升温至57~59℃,持续搅拌,反应10~14min;3)然后分别滴加聚乙二醇以及剩余的六亚甲基二异氰酸酯,滴加时间控制在40~50min;然后加入三羟甲基丙烷,升温至80~83℃,持续搅拌,继续反应至NCO值测定值低于0.37%;4)然后降温至72~74℃,加入γ-甲基丙烯酰氧基丙基三甲氧基硅烷,持续搅拌,继续反应1~2h;出料,即得到所述聚氨酯弹性体;
所述抑菌弹性校服面料的制备方法包括下列步骤:
A、按重量份分别称取所述的抑菌弹性校服面料的内层和外层的各原料,将内层和外层的各原料分别进行烘干,然后分别将内层和外层原料分别混合均匀,备用;
B、将混合后的内层原料送入单螺杆挤出机熔融成内层混合熔体;
C、将混合后的外层原料送入双螺杆挤出机熔融成外层混合熔体;
D、所述内层混合熔体和外层混合熔体,进入复合纺丝机,经熔体分配后,从复合喷丝板中喷出,形成具有内层和外层结构的丝条,然后经吹风冷却、上油、拉伸卷绕,得到保暖抑菌复合纤维;
E、然后将所述保暖抑菌复合纤维经针织或机织工艺制得所述抑菌弹性校服面料。
2.一种采用权利要求1所述的制备方法制得的抑菌弹性校服面料。
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