CN109267232A - 一种分层涂覆有纳米银的抗菌蚕丝被及其制备方法 - Google Patents
一种分层涂覆有纳米银的抗菌蚕丝被及其制备方法 Download PDFInfo
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Abstract
本发明涉及一种分层涂覆有纳米银的抗菌蚕丝被及其制备方法,包括胎套与丝胎,胎套外套于丝胎的外部,所述丝胎由开片后的丝绵按照纵横交错的方法铺叠而成,所述丝绵由蚕丝制成,其特征在于:在每根蚕丝(外围涂覆有内、外两层纳米银离子颗粒,且两层纳米银离子颗粒的粒径大小不同、层厚也不同,由无色透明络合态纳米银为主要原料,经科学配方精制而成,并用有机硅处理剂整理表面,纳米银通过络合作用牢固地粘结到蚕丝表面,极大提高了纳米银使用的耐久性,同时通过蚕丝被的蚕丝表面覆盖的纳米银抗菌材料,配合蚕丝的舒适特性,提供给用户优质睡眠的同时,还可以达到抗菌效果,提高睡眠健康度。
Description
技术领域
本发明涉及蚕丝被及其制备方法的技术领域,具体涉及一种分层涂覆有纳米银的抗菌蚕丝被及其制备方法。
背景技术
蚕丝是熟蚕结茧时所分泌丝液凝固而成的连续长纤维,也称天然丝,是一种天然纤维。人类利用最早的动物纤维之一。蚕丝是古代中国文明产物之一;甲骨文中有丝字及丝旁之字甚多。据考古发现,约在4700年前中国已利用蚕丝制做丝线、编织丝带和简单的丝织品。商周时期用蚕丝织制罗、绫、纨、纱、绉、绮、锦、绣等丝织品。蚕丝是自然界中最轻、柔、细的天然纤维,所以一直素有“人体第二肌肤”的美誉,并被业界称为“纤维皇后”。
由蚕丝为原料制成的蚕丝被含有纤维中较高的“丝容积空隙”,天冷时能降低热传导率,保暖性胜过皮、棉。天热时又能排出多余的热量,使被内温度保持舒适,又能降低睡眠时心脏和血管承受的过大负荷和压力,可以睡的更舒适、香甜。蚕丝纤维特有异面截面,空隙率比其他纤维大的多,易于吸收和保存空气,加之其热传导率又很小,从而使蚕丝被具有蓬松透气和很好的保暖性能。蚕丝纤维的丝素肽链上有许多亲水性基团,具有棉纤维1.5倍的吸湿性,能迅速吸收并散发人体汗气,放湿速率又远比其他纤维快,这使得蚕丝被能够使人体保持在比较适宜的良好吸湿透湿功能的范围内。
纳米(nm)是继微米之后的目前最小的一种计量单位,1纳米为百万分之一毫米,即毫微米,也就是十亿分之一米。
纳米银,是利用前沿纳米技术将银纳米化,纳米技术出现,使银在纳米状态下的杀菌能力产生了质的飞跃,极少的纳米银可产生强大的杀菌作用,可在数分钟内杀死650多种细菌,广谱杀菌且无任何的耐药性,能够促进伤口的愈合、细胞的生长及受损细胞的修复,无任何毒性反应,对皮肤也未发现任何刺激反应,这给广泛应用纳米银来抗菌开辟了广阔的前景,是最新一代的天然抗菌剂。
纳米银杀菌具有以下特点:1、广谱抗菌,纳米银颗粒直接进入菌体与氧代谢酶(-SH)结合,使菌体窒息而死的独特作用机制,可杀死与其接触的大多数细菌、真菌、霉菌、孢子等微生物。经国内八大权威机构研究发现:其对耐药病原菌如耐药大肠杆菌、耐药金葡萄球菌、耐药绿脓杆菌、化脓链球菌、耐药肠球菌,厌氧菌等有全面的抗菌活性;对烧烫伤及创伤表面常见的细菌如金黄色葡萄球菌、大肠杆菌、绿脓杆菌、白色念珠菌及其它G+、G-性致病菌都有杀菌作用;对沙眼衣原体、引起性传播性疾病的淋球菌也有强大的杀菌作用。一种抗生素能杀灭大约6种病原体,而纳米银可杀灭数百种致病微生物。杀灭细菌、真菌、滴虫、支/衣原体、淋球菌,杀菌作用强,对抗菌素耐药菌有同样杀灭作用!2、强效杀菌,据研究发现,Ag可在数分钟内杀死650多种细菌。纳米银颗粒与病原菌的细胞壁/膜结合后,能直接进入菌体、迅速与氧代谢酶的巯基(-SH)结合,使酶失活,阻断呼吸代谢使其窒息而死。独特的杀菌机理,使得纳米银颗粒在低浓度就可迅速杀死致病菌。3、渗透性强,纳米银颗粒具有超强的渗透性,可迅速渗入皮下2mm杀菌,对普通细菌、顽固细菌、耐药细菌以及真菌引起的较深处的组织感染均有良好的杀菌作用。4、修复再生,纳米银可促进伤口愈合,促进受损细胞的修复与再生,去腐生肌,抗菌消炎改善创伤周围组织的微循环,有效地激活并促进组织细胞的生长,加速伤口的愈合,减少疤痕的生成。5、抗菌持久,纳米银颗粒外有一层保护膜,能逐渐释放,所以抗菌效果持久。6、无耐药性,纳米银属于非抗菌素杀菌剂:纳米银能杀灭各种致病微生物,比抗菌素更强,10nm大小的纳米银颗粒独特抗菌机理可迅速直接杀死细菌,使其丧失繁殖能力,因此,无法生产耐药性的下一代,能有效避免因耐药性而导致反复发作久治不愈。
发明内容
为了解决现有技术中存在的缺陷与不足,本发明采用如下技术方案:一种分层涂覆有纳米银的抗菌蚕丝被,包括胎套与丝胎,胎套外套于丝胎的外部,所述丝胎由开片后的丝绵按照纵横交错的方法铺叠而成,所述丝绵由蚕丝制成,其特征在于:在每根蚕丝外围涂覆有内、外两层纳米银离子颗粒,且两层纳米银离子颗粒的粒径大小不同、层厚也不同。
进一步地,内层纳米银离子颗粒的粒径小于外层纳米银离子颗粒的粒径。
进一步地,内层纳米银离子颗粒的层厚大于外层纳米银离子颗粒的层厚。
进一步地,内层纳米银离子颗粒与外层纳米银离子颗粒之间为非均匀排布。
进一步地,内层纳米银离子颗粒与外层纳米银离子颗粒之间为凹凸卡接排布。
进一步地,内层纳米银离子颗粒与外层纳米银离子颗粒为无色透明状。
进一步地,内层纳米银离子颗粒的粒径为2~5nm,外层纳米银离子颗粒的粒径为25~50nm。
进一步地,内层纳米银离子颗粒的排布密度大于外层纳米银离子颗粒的排布密度。
进一步地,本发明还提供一种分层涂覆有纳米银的抗菌蚕丝被的制备方法,其特征在于:包括如下步骤:
(1)将2.5g粒径为2~5nm的无色透明络合态纳米银,加入100kg,温度30℃的水中,得到浓度为pH值为6.5-8.5的无色透明纳米银溶液;
(2)将50kg蚕丝丝绵浸入纳米银溶液,温度保持30℃,浸泡100~150min后,捞起丝绵,进入烘房烘干;
(3)将2.5g粒径为25~50nm的无色透明络合态纳米银,加入100kg,温度30℃的水中,得到浓度为pH值为6.5-8.5的无色透明纳米银溶液;
(4)将步骤(2)烘干后的丝绵卷绕于滚筒外周并保持丝绵以5~20r/min的转速匀速旋转,将步骤(3)中的无色透明纳米银溶液装入喷涂设备中并对匀速旋转的丝绵进行喷涂,喷涂完毕后卸下丝绵送入烘房烘干;
(5)将烘干后的纳米银丝绵通过有机硅处理剂进行表面处理后经开片,并按照纵横交错的方法铺叠,制作成蚕丝丝胎,套上胎套后,制作成成品蚕丝被,经过质量检验合格后包装入库,即得到具有抗菌功能的纳米银抗菌蚕丝被。
本发明相对于现有技术所取得的有益效果为:
(1)由无色透明络合态纳米银为主要原料,经科学配方精制而成,并用有机硅处理剂整理表面,纳米银通过络合作用牢固地粘结到蚕丝表面,极大提高了纳米银使用的耐久性,同时通过蚕丝被的蚕丝表面覆盖的纳米银抗菌材料,配合蚕丝的舒适特性,提供给用户优质睡眠的同时,还可以达到抗菌效果,提高睡眠健康度。
(2)通过在每根蚕丝外围涂覆有内、外两层纳米银离子颗粒,且两层纳米银离子颗粒的粒径大小不同、层厚也不同,使得蚕丝外层大颗粒菌种能够有效被外层纳米银离子颗粒所吸附杀灭,小颗粒菌种在透过外层纳米银离子颗粒层后遇到内层纳米银离子颗粒层后能够有效被内层纳米银离子颗粒所吸附杀灭,从而进一步提高抗菌质量和效果。
(3)内层纳米银离子颗粒与外层纳米银离子颗粒之间为采用凹凸卡接式非均匀排布方式,从而有效增大了内层纳米银离子颗粒与外层纳米银离子颗粒之间的接触长度,使得小颗粒菌种在透过外层纳米银离子颗粒层后遇到内层纳米银离子颗粒层后,有效增大了小颗粒菌种与内层纳米银离子颗粒的接触长度和面积进而增加吸附杀灭几率,从而有效保证小颗粒菌种能够被内层纳米银离子颗粒所吸附杀灭。
附图说明
图1为本发明一种分层涂覆有纳米银的抗菌蚕丝被的蚕丝截面涂覆有纳米银离子颗粒的结构示意图;
图2为本发明一种分层涂覆有纳米银的抗菌蚕丝被的丝胎的结构示意图。
具体实施方式
现在结合附图对本发明作进一步详细的说明。这些附图均为简化的示意图,仅以示意方式说明本发明的基本结构,因此其仅显示与本发明有关的构成。
如图1-2所示,一种分层涂覆有纳米银的抗菌蚕丝被,包括胎套与丝胎,胎套外套于丝胎的外部,所述丝胎由开片后的丝绵按照纵横交错的方法铺叠而成,所述丝绵由蚕丝1制成,在每根蚕丝1外围涂覆有内、外两层纳米银离子颗粒,且两层纳米银离子颗粒的粒径大小不同、层厚也不同。
具体地,内层纳米银离子颗粒2的粒径小于外层纳米银离子颗粒3的粒径,使得蚕丝外层大颗粒菌种能够有效被外层纳米银离子颗粒所吸附杀灭,小颗粒菌种在透过外层纳米银离子颗粒层后遇到内层纳米银离子颗粒层后能够有效被内层纳米银离子颗粒所吸附杀灭,从而进一步提高抗菌质量和效果。
具体地,内层纳米银离子颗粒2的层厚大于外层纳米银离子颗粒3的层厚,从而进一步保证内层纳米银离子颗粒对小颗粒菌种的高效吸附杀灭。
具体地,内层纳米银离子颗粒2与外层纳米银离子颗粒3之间为非均匀排布。
具体地,内层纳米银离子颗粒2与外层纳米银离子颗粒3之间为凹凸卡接排布,如图1所示,内层纳米银离子颗粒2与外层纳米银离子颗粒3之间的分界线呈近似锯齿状排布,使得小颗粒菌种在透过外层纳米银离子颗粒层后遇到内层纳米银离子颗粒层后,有效增大了小颗粒菌种与内层纳米银离子颗粒的接触长度和面积进而增加吸附几率,从而有效保证小颗粒菌种能够被内层纳米银离子颗粒所吸附杀灭。
具体地,内层纳米银离子颗粒2与外层纳米银离子颗粒3为无色透明状。
具体地,内层纳米银离子颗粒2的粒径为2~5nm,外层纳米银离子颗粒3的粒径为25~50nm。
具体地,内层纳米银离子颗粒2的排布密度大于外层纳米银离子颗粒3的排布密度,从而进一步保证内层纳米银离子颗粒对小颗粒菌种的高效吸附杀灭。
具体地,本发明还提供一种分层涂覆有纳米银的抗菌蚕丝被的制备方法,包括如下步骤:
(1)将2.5g粒径为2~5nm的无色透明络合态纳米银,加入100kg,温度30℃的水中,得到浓度为pH值为6.5-8.5的无色透明纳米银溶液;
(2)将50kg蚕丝丝绵浸入纳米银溶液,温度保持30℃,浸泡100~150min后,捞起丝绵,进入烘房烘干;
(3)将2.5g粒径为25~50nm的无色透明络合态纳米银,加入100kg,温度30℃的水中,得到浓度为pH值为6.5-8.5的无色透明纳米银溶液;
(4)将步骤(2)烘干后的丝绵卷绕于滚筒外周并保持丝绵以5~20r/min的转速匀速旋转,将步骤(3)中的无色透明纳米银溶液装入喷涂设备中并对匀速旋转的丝绵进行喷涂从而保证喷涂均匀,喷涂完毕后卸下丝绵送入烘房烘干;
(5)将烘干后的纳米银丝绵通过有机硅处理剂进行表面处理后经开片,并按照纵横交错的方法铺叠,制作成蚕丝丝胎,套上胎套后,制作成成品蚕丝被,经过质量检验合格后包装入库,即得到具有抗菌功能的纳米银抗菌蚕丝被,通过有机硅处理剂处理后可以针对纳米银颗粒不能吸附杀灭的菌种进行杀灭,有效提高该抗菌蚕丝被的抗菌全面性。
由无色透明络合态纳米银为主要原料,经科学配方精制而成,并用有机硅处理剂整理表面,纳米银通过络合作用牢固地粘结到蚕丝表面,极大提高了纳米银使用的耐久性,同时通过蚕丝被的蚕丝表面覆盖的纳米银抗菌材料,配合蚕丝的舒适特性,提供给用户优质睡眠的同时,还可以达到抗菌效果,提高睡眠健康度。
以上述依据本发明的理想实施例为启示,通过上述的说明内容,相关工作人员完全可以在不偏离本项发明技术思想的范围内,进行多样的变更以及修改。本项发明的技术性范围并不局限于说明书上的内容,必须要根据权利要求范围来确定其技术性范围。
Claims (9)
1.一种分层涂覆有纳米银的抗菌蚕丝被,包括胎套与丝胎,胎套外套于丝胎的外部,所述丝胎由开片后的丝绵按照纵横交错的方法铺叠而成,所述丝绵由蚕丝(1)制成,其特征在于:在每根蚕丝(1)外围涂覆有内、外两层纳米银离子颗粒,且两层纳米银离子颗粒的粒径大小不同、层厚也不同。
2.根据权利要求1所述的一种分层涂覆有纳米银的抗菌蚕丝被,其特征在于:内层纳米银离子颗粒(2)的粒径小于外层纳米银离子颗粒(3)的粒径。
3.根据权利要求1所述的一种分层涂覆有纳米银的抗菌蚕丝被,其特征在于:内层纳米银离子颗粒(2)的层厚大于外层纳米银离子颗粒(3)的层厚。
4.根据权利要求1所述的一种分层涂覆有纳米银的抗菌蚕丝被,其特征在于:内层纳米银离子颗粒(2)与外层纳米银离子颗粒(3)之间为非均匀排布。
5.根据权利要求4所述的一种分层涂覆有纳米银的抗菌蚕丝被,其特征在于:内层纳米银离子颗粒(2)与外层纳米银离子颗粒(3)之间为凹凸卡接排布。
6.根据权利要求1所述的一种分层涂覆有纳米银的抗菌蚕丝被,其特征在于:内层纳米银离子颗粒(2)与外层纳米银离子颗粒(3)为无色透明状。
7.根据权利要求1所述的一种分层涂覆有纳米银的抗菌蚕丝被,其特征在于:内层纳米银离子颗粒(2)的粒径为2~5nm,外层纳米银离子颗粒(3)的粒径为25~50nm。
8.根据权利要求1所述的一种分层涂覆有纳米银的抗菌蚕丝被,其特征在于:内层纳米银离子颗粒(2)的排布密度大于外层纳米银离子颗粒(3)的排布密度。
9.一种分层涂覆有纳米银的抗菌蚕丝被的制备方法,其特征在于:包括如下步骤:
(1)将2.5g粒径为2~5nm的无色透明络合态纳米银,加入100kg,温度30℃的水中,得到浓度为pH值为6.5-8.5的无色透明纳米银溶液;
(2)将50kg蚕丝丝绵浸入纳米银溶液,温度保持30℃,浸泡100~150min后,捞起丝绵,进入烘房烘干;
(3)将2.5g粒径为25~50nm的无色透明络合态纳米银,加入100kg,温度30℃的水中,得到浓度为pH值为6.5-8.5的无色透明纳米银溶液;
(4)将步骤(2)烘干后的丝绵卷绕于滚筒外周并保持丝绵以5~20r/min的转速匀速旋转,将步骤(3)中的无色透明纳米银溶液装入喷涂设备中并对匀速旋转的丝绵进行喷涂,喷涂完毕后卸下丝绵送入烘房烘干;
(5)将烘干后的纳米银丝绵通过有机硅处理剂进行表面处理后经开片,并按照纵横交错的方法铺叠,制作成蚕丝丝胎,套上胎套后,制作成成品蚕丝被,经过质量检验合格后包装入库,即得到具有抗菌功能的纳米银抗菌蚕丝被。
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