CN116837540A - 一种高抗菌性羽绒被芯 - Google Patents
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Abstract
本发明公开了一种高抗菌性羽绒被芯。本发明先将羽绒纤维初步粉碎得超细羽绒粉体,与肉桂醛混合后,再加入季鏻盐进行改性,制得改性超细羽绒粉体,通过静电纺丝与聚乳酸纳米纤维进行螯合,制得复合纤维,再用三聚氰胺和磷酸对复合纤维接枝改性,制得高抗菌性羽绒纤维,再将高抗菌性羽绒纤维通过拉制定形,用丝活化处理技术层层叠铺后,制得高抗菌性羽绒被芯。本发明制备的高抗菌性羽绒被芯具有抗菌、阻燃、疏水、透湿的效果。
Description
技术领域
本发明涉及面料编织技术领域,具体为一种高抗菌性羽绒被芯。
背景技术
被芯产品是人们的生活必需品,也是家纺产品尤其是床上用品中的主导型产品之一,市场需求量大,发展空间广阔,近年来,受到经济、社会、科技等各方面发展的影响,人们的消费能力和消费理念在不断变化,市场对于被芯类产品的消费需求呈现出一些新的特点,值得家纺企业关注,并以此为依据把握好被芯产品研发的方向,创造性地满足人们对于优质美好家居生活的向往与追求,但是市面上的羽绒被芯普遍面临着抗菌性不高,个别性能不够突出,降低羽绒被芯的使用率。
本发明制备的高抗菌性羽绒被芯不仅能满足人们的舒适性要求,还能具有抗菌、阻燃、疏水、透湿的效果,为床上用品开拓更宽的性能领域,还能提高社会经济发展,可谓一举两得。
发明内容
本发明的目的在于提供一种高抗菌性羽绒被芯及其制备方法,以解决现有技术中存在的问题。
为了解决上述技术问题,本发明提供如下技术方案:一种高抗菌性羽绒被芯,按重量份数计,主要包括:
50~70份复合纤维、20~30份三聚氰胺、10~20份磷酸。
进一步的,所述复合纤维包括改性超细羽绒粉体、聚乳酸纤维。
进一步的,所述改性超细羽绒粉体是由超细羽绒粉体经肉桂酸和季磷盐改性制得。
进一步的,所述超细羽绒粉体是由羽绒纤维通过旋转刀式机粉碎制得。
进一步的,所述高抗菌性羽绒纤维是由复合纤维、三聚氰胺和磷酸通过静电纺丝制得。
进一步的,一种高抗菌性羽绒被芯的制备方法,其特征在于,主要包括以下制备步骤:
(1)改性超细羽绒粉体的制备:首先将羽绒纤维粉碎成超细羽绒粉体,将超细羽绒粉体和二甲基甲酰胺超声分散后,加入肉桂醛和季磷盐水溶液混合搅拌后,经洗涤、干燥后,制得改性超细羽绒粉体;
(2)复合纤维的制备:将丙酮、二甲基甲酰胺混合后,再加入聚乳酸纤维和改性超细羽绒粉体,进行静电纺丝制备,制得复合纤维;
(3)高抗菌性羽绒纤维的制备:将三聚氰胺和蒸馏水混合溶解,加入磷酸调节溶液pH并加入复合纤维混合,转入三口烧瓶中,接上冷凝水,控制反应温度,反应时间,反应结束后,洗涤、干燥后,制得高抗菌性羽绒纤维;
(4)高抗菌性羽绒被芯的制备:将高抗菌性羽绒纤维喂入开松机进行开松,开松后的高抗菌性羽绒纤维再喂入梳棉机上进行梳理,将梳理后的高抗菌性羽绒纤维通过铺网机一次铺网,再进入针刺机,进行上刺和下刺后,放入烘箱中烘烤,再经压辊冷却定型,制得高抗菌性羽绒被芯。
进一步的,上述步骤(1)中改性超细羽绒粉体的制备方法为:首先将羽绒纤维在旋转刀式机中打碎成2~3mm的短绒,再放置于物理粉碎设备上粉碎成粒径为2~3μm的超细羽绒粉体,将超细羽绒粉体放入平底烧瓶中,在100~110℃烘箱中干燥1.5~2h,加入超细羽绒粉体质量0.2~0.4倍的二甲基甲酰胺,充分搅拌均匀,在超声波中按20~40kHz的频率分散1~2h后静置20~24h,加入超细羽绒粉体质量0.5~0.7倍的肉桂醛,充分搅拌至均匀,加入浓度为10%的季磷盐水溶液,在恒温振荡培养箱中按120~160rpm、50~60℃下反应2~10h,反应结束后取出,用蒸馏水洗涤至洗涤液为中性,在40~50℃下干燥1~2h后,制得改性超细羽绒粉体。
进一步的,上述步骤(2)中复合纤维的制备方法为:将丙酮、二甲基甲酰胺按质量比为1:1~1:2混合,得混合液,加入混合液质量0.6~0.8倍的聚乳酸纤维,搅拌均匀后,再加入混合液质量0.3~0.5倍的改性超细羽绒粉体继续搅拌均匀,转入由7号注射器制成的纺丝器中,以15cm×15cm的铝箔为接收器,调节接收距离为13~17cm,保持环境温度为20~22℃,相对湿度为40%~50%,纺丝电压为12~18kV,采用以上工艺条件进行静电纺丝制备,制得复合纤维。
进一步的,上述步骤(3)中高抗菌性羽绒纤维的制备方法为:将三聚氰胺和蒸馏水按质量比1:3~1:5在40~50℃下溶解,加入磷酸调节溶液pH值至2~3,按1:150~1:180水浴比加入复合纤维混合,转入三口烧瓶中,接上冷凝水,控制反应温度为70~90℃,反应4~6h,反应结束后,用蒸馏水反复洗涤复合纤维3~5次,在40~50℃下烘干1~1.5h,制得高抗菌性羽绒纤维。
进一步的,上述步骤(4)中高抗菌性羽绒被芯的制备方法为:将高抗菌性羽绒纤维采取多层平铺的方式喂入开松机进行开松1~2次,开松后的高抗菌性羽绒纤维由吸风机吸入与梳理机相连的棉箱内储存,由棉箱喂入梳棉机上进行梳理2~3次,将梳理后的高抗菌性羽绒纤维通过铺网机一次铺网,再进入针刺机,进行上刺和下刺后,放入烘箱中于150~160℃下烘烤20~25s,再经压辊冷却定型,制得高抗菌性羽绒被芯。
与现有技术相比,本发明所达到的有益效果是:
本发明先将羽绒纤维初步粉碎得超细羽绒粉体,与肉桂醛混合后,再加入季磷盐进行改性,制得改性超细羽绒粉体,通过静电纺丝与聚乳酸纳米纤维进行螯合,制得复合纤维,再用三聚氰胺和磷酸对复合纤维接枝改性,制得高抗菌性羽绒纤维,再将高抗菌性羽绒纤维拉制定形,用丝活化处理技术层层叠铺,制得高抗菌性羽绒被芯。
肉桂醛作为极性物质,容易促进超细羽绒粉体在纤维基体里的结晶度,使得整体密度增加,超细羽绒粉体的亲水基团与肉桂醛的烷基链和苯环相互作用,能够提高热分解的温度,增强材料的热稳定性,而季磷盐改性后使纤维表面带有大量正电荷,细菌表面多由负电荷物质组成,由于静电作用和纤维的吸附力,使细菌吸附在纤维上,季磷官能团能够促进肉桂醛的烷基链与超细羽绒粉体的氨基酸肽链结合,并且肉桂醛的苯环和季磷官能团能够带动增强细菌表面的疏水性,破坏细胞膜的完整性,降低胞内酯酶活性,抑制细菌结构蛋白和酶蛋白的合成,导致寄生的细菌不能进行正常的新陈代谢和完成生理功能,从而发生死亡,达到抗菌效果,并且当体系中电荷分布不均匀时,也会导致细胞细胞壁的合成与溶解平衡破坏,细胞壁被溶解,从而起到抑菌作用;
改性超细羽绒粉体和聚乳酸纤维螯合后,改性超细羽绒粉体表面的长碳氢分子链能够改善超细羽绒粉体与聚氨酯纤维之间的相容性,在遇高温时,改性超细羽绒粉体和聚乳酸纤维的交联结构开始分解,同时改性超细羽绒粉体的蛋白质炭化裂解,羽绒螺旋结构的肽键之间相连接的氢键发生裂解,并释放出气体,覆盖在纤维表面,形成一层阻隔层,稀释氧气的浓度,抑制纤维燃烧,达到阻燃目的;
经过三聚氰胺和磷酸接枝改性后的纤维具有强大的表面张力,而肉桂醛中的苯环基团能够通过改性超细羽绒粉体长碳氢分子链在纤维基体里形成一系列疏水微区,从而增强各链段之间的疏水作用力,还能促进水分子向外的迁移,并且在和聚乳酸纤维螯合过程中造成更大的空隙,形成均匀平滑的贯穿长孔结构,二者间的间隙又能增加水分子向外扩散的通道,从而增强高抗菌性羽绒纤维的透湿性。
具体实施方式
下面将结合本发明实施例,对本发明实施例中的技术方案进行清楚、完整地描述,显然,所描述的实施例仅仅是本发明一部分实施例,而不是全部的实施例。基于本发明中的实施例,本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例,都属于本发明保护的范围。
为了更清楚的说明本发明提供的方法通过以下实施例进行详细说明,在以下实施例中制作的高抗菌性羽绒被芯的各指标测试方法如下:
抗菌性能:选取大肠杆菌和金黄色葡萄球菌进行抑菌圈实验,将实施例1、对比例1、对比例1组分所制备的高抗菌性羽绒被芯放置于细菌培养箱中,24小时后取出,用显微镜观察细菌存活率,存活率越低,抗菌性越好。
阻燃性能:将实施例1、实施例2、对比例2组分制备的高抗菌性羽绒被芯进行阻燃性能测试;观察耐高温高韧性面料的LOI值,LOI值越大,阻燃性能越好。
实施例1
一种高抗菌性羽绒被芯,按重量份数计,主要包括:50份复合纤维、20份三聚氰胺、10份磷酸。
一种高抗菌性羽绒被芯的制备方法,所述高抗菌性羽绒被芯的制备方法主要包括以下制备步骤:
(1)改性超细羽绒粉体的制备:首先将羽绒纤维粉碎成超细羽绒粉体,将超细羽绒粉体和二甲基甲酰胺超声分散后,加入肉桂醛和季磷盐水溶液混合搅拌后,经洗涤、干燥后,制得改性超细羽绒粉体;
(2)复合纤维的制备:将丙酮、二甲基甲酰胺混合后,再加入聚乳酸纤维和改性超细羽绒粉体,进行静电纺丝制备,制得复合纤维;
(3)高抗菌性羽绒纤维的制备:将三聚氰胺和蒸馏水混合溶解,加入磷酸调节溶液pH并加入复合纤维混合,转入三口烧瓶中,接上冷凝水,控制反应温度,反应时间,反应结束后,洗涤、干燥后,制得高抗菌性羽绒纤维;
(4)高抗菌性羽绒被芯的制备:将高抗菌性羽绒纤维喂入开松机进行开松,开松后的高抗菌性羽绒纤维再喂入梳棉机上进行梳理,将梳理后的高抗菌性羽绒纤维通过铺网机一次铺网,再进入针刺机,进行上刺和下刺后,放入烘箱中烘烤,再经压辊冷却定型,制得高抗菌性羽绒被芯。
进一步的,上述步骤(1)中改性超细羽绒粉体的制备方法为:首先将羽绒纤维在旋转刀式机中打碎成2mm的短绒,再放置于物理粉碎设备上粉碎成粒径为2~3μm的超细羽绒粉体,将超细羽绒粉体放入平底烧瓶中,在100℃烘箱中干燥1.5h,加入超细羽绒粉体质量0.2倍的二甲基甲酰胺,充分搅拌均匀,在超声波中按20kHz的频率分散1h后静置20h,加入超细羽绒粉体质量0.5倍的肉桂醛,充分搅拌至均匀,加入浓度为10%的季磷盐水溶液,在恒温振荡培养箱中按120rpm、50℃下反应2h,反应结束后取出,用蒸馏水洗涤至洗涤液为中性,在40℃下干燥1h后,制得改性超细羽绒粉体。
进一步的,上述步骤(2)中复合纤维的制备方法为:将丙酮、二甲基甲酰胺按质量比为1:1混合,得混合液,加入混合液质量0.6倍的聚乳酸纤维,搅拌均匀后,再加入混合液质量0.3倍的改性超细羽绒粉体继续搅拌均匀,转入由7号注射器制成的纺丝器中,以15cm×15cm的铝箔为接收器,调节接收距离为13cm,保持环境温度为20℃,相对湿度为40%,纺丝电压为12kV,采用以上工艺条件进行静电纺丝制备,制得复合纤维。
进一步的,上述步骤(3)中高抗菌性羽绒纤维的制备方法为:将三聚氰胺和蒸馏水按质量比1:3在40℃下溶解,加入磷酸调节溶液pH值至2,按1:150水浴比加入复合纤维混合,转入三口烧瓶中,接上冷凝水,控制反应温度为70℃,反应4h,反应结束后,用蒸馏水反复洗涤复合纤维3次,在40℃下烘干1h,制得高抗菌性羽绒纤维。
进一步的,上述步骤(4)中高抗菌性羽绒被芯的制备方法为:将高抗菌性羽绒纤维采取多层平铺的方式喂入开松机进行开松1次,开松后的高抗菌性羽绒纤维由吸风机吸入与梳理机相连的棉箱内储存,由棉箱喂入梳棉机上进行梳理2次,将梳理后的高抗菌性羽绒纤维通过铺网机一次铺网,再进入针刺机,进行上刺和下刺后,放入烘箱中于150℃下烘烤20s,再经压辊冷却定型,制得高抗菌性羽绒被芯。
实施例2
一种高抗菌性羽绒被芯,按重量份数计,主要包括:70份复合纤维、30份三聚氰胺、20份磷酸。
一种高抗菌性羽绒被芯的制备方法,所述高抗菌性羽绒被芯的制备方法主要包括以下制备步骤:
(1)改性超细羽绒粉体的制备:首先将羽绒纤维粉碎成超细羽绒粉体,将超细羽绒粉体和二甲基甲酰胺超声分散后,加入肉桂醛和季磷盐水溶液混合搅拌后,经洗涤、干燥后,制得改性超细羽绒粉体;
(2)复合纤维的制备:将丙酮、二甲基甲酰胺混合后,再加入聚乳酸纤维和改性超细羽绒粉体,进行静电纺丝制备,制得复合纤维;
(3)高抗菌性羽绒纤维的制备:将三聚氰胺和蒸馏水混合溶解,加入磷酸调节溶液pH并加入复合纤维混合,转入三口烧瓶中,接上冷凝水,控制反应温度,反应时间,反应结束后,洗涤、干燥后,制得高抗菌性羽绒纤维;
(4)高抗菌性羽绒被芯的制备:将高抗菌性羽绒纤维喂入开松机进行开松,开松后的高抗菌性羽绒纤维再喂入梳棉机上进行梳理,将梳理后的高抗菌性羽绒纤维通过铺网机一次铺网,再进入针刺机,进行上刺和下刺后,放入烘箱中烘烤,再经压辊冷却定型,制得高抗菌性羽绒被芯。
进一步的,上述步骤(1)中改性超细羽绒粉体的制备方法为:首先将羽绒纤维在旋转刀式机中打碎成3mm的短绒,再放置于物理粉碎设备上粉碎成粒径为3μm的超细羽绒粉体,将超细羽绒粉体放入平底烧瓶中,在110℃烘箱中干燥2h,加入超细羽绒粉体质量0.4倍的二甲基甲酰胺,充分搅拌均匀,在超声波中按40kHz的频率分散2h后静置24h,加入超细羽绒粉体质量0.7倍的肉桂醛,充分搅拌至均匀,加入浓度为10%的季磷盐水溶液,在恒温振荡培养箱中按160rpm、60℃下反应10h,反应结束后取出,用蒸馏水洗涤至洗涤液为中性,在50℃下干燥2h后,制得改性超细羽绒粉体。
进一步的,上述步骤(2)中复合纤维的制备方法为:将丙酮、二甲基甲酰胺按质量比为1:2混合,得混合液,加入混合液质量0.8倍的聚乳酸纤维,搅拌均匀后,再加入混合液质量0.5倍的改性超细羽绒粉体继续搅拌均匀,转入由7号注射器制成的纺丝器中,以15cm×15cm的铝箔为接收器,调节接收距离为17cm,保持环境温度为22℃,相对湿度为50%,纺丝电压为18kV,采用以上工艺条件进行静电纺丝制备,制得复合纤维。
进一步的,上述步骤(3)中高抗菌性羽绒纤维的制备方法为:将三聚氰胺和蒸馏水按质量比1:5在50℃下溶解,加入磷酸调节溶液pH值至3,按1:180水浴比加入复合纤维混合,转入三口烧瓶中,接上冷凝水,控制反应温度为90℃,反应6h,反应结束后,用蒸馏水反复洗涤复合纤维5次,在50℃下烘干1.5h,制得高抗菌性羽绒纤维。
进一步的,上述步骤(4)中高抗菌性羽绒被芯的制备方法为:将高抗菌性羽绒纤维采取多层平铺的方式喂入开松机进行开松2次,开松后的高抗菌性羽绒纤维由吸风机吸入与梳理机相连的棉箱内储存,由棉箱喂入梳棉机上进行梳理3次,将梳理后的高抗菌性羽绒纤维通过铺网机一次铺网,再进入针刺机,进行上刺和下刺后,放入烘箱中于160℃下烘烤25s,再经压辊冷却定型,制得高抗菌性羽绒被芯。
对比例1
对比例1的处方组成同实施例1。该高抗菌性羽绒被芯的制备方法与实施例1的区别仅在于不进行步骤(1)的制备过程,其余制备步骤同实施例1。
对比例2
对比例2的处方组成同实施例1。该高抗菌性羽绒被芯的制备方法与实施例1的区别仅在于不进行步骤(2)的制备过程,其余制备步骤同实施例1。
效果例1
下表1给出了采用本发明实施例1、实施例2与对比例1的抗菌性能测试结果。
表1
细菌存活率(%) | |
实施例1 | 19 |
实施例2 | 21 |
对比例1 | 48 |
由上表可以得出,实施例1和实施例2的抗菌性较好,对比例1的抗菌性不如实施例1和实施例2,说明季磷盐改性后使纤维表面带有大量正电荷,细菌表面多由负电荷物质组成,由于静电作用和纤维的吸附力,使细菌吸附在纤维上,季磷官能团能够促进肉桂醛的烷基链与超细羽绒粉体的氨基酸肽链结合,并且肉桂醛的苯环和季磷官能团能够带动增强细菌表面的疏水性,破坏细胞膜的完整性,降低胞内酯酶活性,抑制细菌结构蛋白和酶蛋白的合成,导致寄生的细菌不能进行正常的新陈代谢和完成生理功能,从而发生死亡,达到抗菌效果,并且当体系中电荷分布不均匀时,也会导致细胞细胞壁的合成与溶解平衡破坏,细胞壁被溶解,从而起到抑菌作用。
效果例2
下表2给出了采用本发明实施例1、实施例2与对比例2的阻燃性能测试结果。
表2
LOI | |
实施例1 | 33% |
实施例2 | 35% |
对比例2 | 17% |
由上表可知,实施例1和实施例2的阻燃性能较好,对比例2的阻燃性能不如实施例1和实施例2,说明改性超细羽绒粉体和聚乳酸纤维螯合后,改性超细羽绒粉体表面的长碳氢分子链能够改善超细羽绒粉体与聚氨酯纤维之间的相容性,在遇高温时,改性超细羽绒粉体和聚乳酸纤维的交联结构开始分解,同时改性超细羽绒粉体的蛋白质炭化裂解,羽绒螺旋结构的肽键之间相连接的氢键发生裂解,并释放出气体,覆盖在纤维表面,形成一层阻隔层,稀释氧气的浓度,抑制纤维燃烧,达到阻燃目的。
对于本领域技术人员而言,显然本发明不限于上述示范性实施例的细节,而且在不背离本发明的精神或基本特征的情况下,能够以其他的具体形式实现本发明。因此,无论从哪一点来看,均应将实施例看作是示范性的,而且是非限制性的,本发明的范围由所附权利要求而不是上述说明限定,因此旨在将落在权利要求的等同要件的含义和范围内的所有变化囊括在本发明内。不应将权利要求中的任何标记视为限制所涉及的权利要求。
Claims (1)
1.一种高抗菌性羽绒被芯,其特征在于:按重量份数计,主要包括:50份复合纤维、20份三聚氰胺、10份磷酸;
所述复合纤维包括改性超细羽绒粉体、聚乳酸纤维;
所述改性超细羽绒粉体是由超细羽绒粉体经肉桂酸和季磷盐改性制得;
所述超细羽绒粉体是由羽绒纤维通过旋转刀式机粉碎制得;
所述羽绒被芯的制备方法主要包括以下制备步骤:
(1)改性超细羽绒粉体的制备:首先将羽绒纤维粉碎成超细羽绒粉体,将超细羽绒粉体和二甲基甲酰胺超声分散后,加入肉桂醛和季磷盐水溶液混合搅拌后,经洗涤、干燥后,制得改性超细羽绒粉体;
(2)复合纤维的制备:将丙酮、二甲基甲酰胺混合后,再加入聚乳酸纤维和改性超细羽绒粉体,进行静电纺丝制备,制得复合纤维;
(3)高抗菌性羽绒纤维的制备:将三聚氰胺和蒸馏水混合溶解,加入磷酸调节溶液pH并加入复合纤维混合,转入三口烧瓶中,接上冷凝水,控制反应温度,反应时间,反应结束后,洗涤、干燥后,制得高抗菌性羽绒纤维;
(4)高抗菌性羽绒被芯的制备:将高抗菌性羽绒纤维喂入开松机进行开松,开松后的高抗菌性羽绒纤维再喂入梳棉机上进行梳理,将梳理后的高抗菌性羽绒纤维通过铺网机一次铺网,再进入针刺机,进行上刺和下刺后,放入烘箱中烘烤,再经压辊冷却定型,制得高抗菌性羽绒被芯;
上述步骤(1)中改性超细羽绒粉体的制备方法为:首先将羽绒纤维在旋转刀式机中打碎成2mm的短绒,再放置于物理粉碎设备上粉碎成粒径为2~3μm的超细羽绒粉体,将超细羽绒粉体放入平底烧瓶中,在100℃烘箱中干燥1.5h,加入超细羽绒粉体质量0.2倍的二甲基甲酰胺,充分搅拌均匀,在超声波中按20kHz的频率分散1h后静置20h,加入超细羽绒粉体质量0.5倍的肉桂醛,充分搅拌至均匀,加入浓度为10%的季磷盐水溶液,在恒温振荡培养箱中按120rpm、50℃下反应2h,反应结束后取出,用蒸馏水洗涤至洗涤液为中性,在40℃下干燥1h后,制得改性超细羽绒粉体;
上述步骤(2)中复合纤维的制备方法为:将丙酮、二甲基甲酰胺按质量比为1:1混合,得混合液,加入混合液质量0.6倍的聚乳酸纤维,搅拌均匀后,再加入混合液质量0.3倍的改性超细羽绒粉体继续搅拌均匀,转入由7号注射器制成的纺丝器中,以15cm×15cm的铝箔为接收器,调节接收距离为13cm,保持环境温度为20℃,相对湿度为40%,纺丝电压为12kV,采用以上工艺条件进行静电纺丝制备,制得复合纤维;
上述步骤(3)中高抗菌性羽绒纤维的制备方法为:将三聚氰胺和蒸馏水按质量比1:3在40℃下溶解,加入磷酸调节溶液pH值至2,按1:150水浴比加入复合纤维混合,转入三口烧瓶中,接上冷凝水,控制反应温度为70℃,反应4h,反应结束后,用蒸馏水反复洗涤复合纤维3次,在40℃下烘干1h,制得高抗菌性羽绒纤维;
上述步骤(4)中高抗菌性羽绒被芯的制备方法为:将高抗菌性羽绒纤维采取多层平铺的方式喂入开松机进行开松1次,开松后的高抗菌性羽绒纤维由吸风机吸入与梳理机相连的棉箱内储存,由棉箱喂入梳棉机上进行梳理2次,将梳理后的高抗菌性羽绒纤维通过铺网机一次铺网,再进入针刺机,进行上刺和下刺后,放入烘箱中于150℃下烘烤20s,再经压辊冷却定型,制得高抗菌性羽绒被芯。
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