CN108882412B - 一种石墨烯负离子发热内暖被 - Google Patents

一种石墨烯负离子发热内暖被 Download PDF

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CN108882412B
CN108882412B CN201810886459.4A CN201810886459A CN108882412B CN 108882412 B CN108882412 B CN 108882412B CN 201810886459 A CN201810886459 A CN 201810886459A CN 108882412 B CN108882412 B CN 108882412B
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张信甫
刘明云
张信成
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Binzhou Chengchen Industrial Co ltd
Shandong Beizifang Electronic Commerce Co ltd
Shandong Zhongjinyan Home Textile Co ltd
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Abstract

本发明涉及内暖被技术领域，具体为一种石墨烯负离子发热内暖被，包括被套和置于被套内的被芯，所述被芯包括：石墨烯负离子中空棉填充物、包裹在石墨烯负离子中空棉外的纳米银抗菌布层、包裹在纳米银抗菌布层外的防辐射布层。具有调节周围环境的空气质量，较强的生物波发射功能,促进血液循环，防止人体老化和早衰；持久的抗菌杀菌性能,不但能杀灭对人体有害的细菌，又不伤害人体；优良的除臭性能,脱除异味，保持良好的生活空间，手感柔软，蓬松，具有透气性和释放负离子功能，不易滋生菌类，结构稳定，耐用不易变形。

Description

一种石墨烯负离子发热内暖被
技术领域
本发明涉及内暖被技术领域，具体为一种石墨烯负离子发热内暖被。
背景技术
中空棉是应用较广泛的保暖棉被的填充材料，是采用高品质的涤纶和性能优异的三维卷曲中空纤维，U型中空纤维和ES纤维为原料，经过加工处理而成的一种高保暖的絮棉产品，其纤维原料为涤纶。中空棉具有以下优点：保弹性好，蓬松性好，保暖性透气性好，产品受压力保形性好，质量轻盈，抗拉性强，保暖率比棉纤维高60%以上，使用寿命高3倍以上。然而现有的中空棉存在保暖性不高、不耐水洗、容易滋生细菌等缺点。而且，随着社会的发展，人们对保暖被的要求不仅仅是具有保暖功能，而且还希望其具有保健养生、抗菌除螨、净化空气等性能，现有技术中的中空棉填充保暖被已不能满足人们的需求。
石墨烯是从石墨材料中剥离出来、由碳原子组成的只有一层原子厚度晶体，是目前发现的最薄、强度最大、导电导热性能最强的一种新型纳米材料。
负离子即是带负电荷的氧分子，在医学界，负离子被确认是具有杀灭病菌及净化空气的有效手段。其机理主要在于负离子与细菌结合后，使细菌产生结构的改变或能量的转移，导致细菌死亡，最终降沉于地面。医学研究表明，空气中带负电的微粒使血中含氧量增加，有利于血氧输送、吸收和利用，具有促进人体新陈代谢，提高人体免疫能力，增强人体肌能，调节肌体功能平衡的作用。据考证，负离子对人体7个系统，近30多种疾病具有抑制、缓解和辅助治疗作用，尤其对人体的保健作用更为明显。负离子在医学界被称为是“空气维生素”。
将石墨烯、负离子矿物质加入中空棉基体中，有望能够赋予中空棉新的性能，使其具有自发热、保健养生、抗菌除螨、净化空气、低温远红外等功能。然而石墨烯和负离子矿物质容易团聚，形成较大的颗粒团聚体，加入中空棉基体中时，很难在基体中均匀分散，而且石墨烯和负离子矿物质与中空棉纤维之间很难形成稳定的结构，使得中空棉纤维的机械性能受到影响。
发明内容
为解决上述现有技术中存在的问题，本发明提供了一种石墨烯负离子发热内暖被，具体技术方案如下：
一种石墨烯负离子发热内暖被，包括被套和置于被套内的被芯，所述被芯包括：石墨烯负离子中空棉填充物，所述石墨烯负离子中空棉由以下方法制备：
（1）将中空棉粉碎，得到中空棉颗粒，备用；
（2）将中空棉颗粒加入到硅烷偶联剂水溶液中，超声分散15~20min制成分散液；
（3）将氧化石墨烯和远红外陶瓷粉以4~6：1的质量比混合到溶剂中，超声分散15~20min制成分散液，静置、过滤，得到远红外陶瓷粉插层氧化石墨烯沉淀物；
（4）将步骤3所得沉淀物加入到步骤2所得分散液中，超声分散15~20min，然后将反应体系用氮气密封放入微波炉，设置微波输出功率为800W，
加热15-30min后，将生成物混合液过滤，收集得到沉淀产物，再用乙醇和去离子水清洗沉淀产物直到中性，然后将沉淀产物干燥；
（5）将步骤4所得沉淀物与中空棉颗粒混合，螺杆挤出，进行熔融纺丝，然后开松即得到所述的石墨烯负离子中空棉。
作为优选，步骤3中所述溶剂为去离子水，氧化石墨烯粉体的片径为100～200nm，片层厚度为1.0～1.5nm；
所述步骤2中，硅烷偶联剂的加入量为中空棉颗粒重量的0.1～0.5%；
所述步骤3中，氧化石墨烯和远红外陶瓷粉的加入量为步骤2所述中空棉颗粒重量的0.3～1%；
所述步骤5中，沉淀物与中空棉颗粒的重量比为1:5～10。
步骤3中所述远红外陶瓷粉内包含纳米氧化钛。
作为优选，所述被芯包括：石墨烯负离子中空棉填充物、包裹在石墨烯负离子中空棉外的纳米银抗菌布层、包裹在纳米银抗菌布层外的防辐射布层。
作为优选，所述内暖被包括三层被芯，所述三层被芯通过粘扣相互粘接在一起。
作为优选，所述三层被芯分别为：上层被芯、中层被芯、下层被芯，所述上层被芯的填充物包括：负离子棉和蚕丝，所述中层被芯的填充物包括：石墨烯负离子中空棉，所述下层被芯的填充物包括：石墨烯负离子中空棉。
作为优选，所述中层被芯和下层被芯内填充物的重量比为2-3:1；所述上层被芯的填充物包括：重量比为1:2-2.5的负离子棉和蚕丝；所述三层被芯的填充物表层分别包裹有纳米银抗菌布层和防辐射布层。
作为优选，所述被套在靠近头部处设置有一侧开口的夹层，所述夹层内放置有中药助眠药包，所述夹层开口处设置有粘扣。
作为优选，所述被套在靠近脚部处设置有一侧开口的驱蚊夹层，所述驱蚊夹层内放置有驱蚊药包，所述夹层开口处设置有粘扣。
有益效果
（1）本发明所述石墨烯负离子中空棉的制备方法中，先将中空棉粉碎，增加其比表面积，然后用硅烷偶联剂将中空棉表面改性，改性后的中空棉再与远红外陶瓷粉插层氧化石墨烯反应，形成中空棉-硅烷偶联剂-远红外陶瓷粉插层氧化石墨烯的结合层，可以大大提高中空棉纤维的机械性能。
（2）氧化石墨烯表面以共价键形式键合有大量含氧官能团，如羟基、环氧基、羧基和羰基等，导致原子层的晶面间距更大，适合远红外陶瓷粉插入。然而氧化石墨烯由于结构的破坏，其性能不如石墨烯，本专利通过微波热还原法，通过微波加热去除氧化石墨烯上的含氧官能团。
（3）石墨烯使得改性后的中空棉具有超强抗菌抑菌功能，对大肠杆菌、金色葡萄球菌、白色念珠菌等多种细菌抑菌率达到99%，杀菌除异味，有效抑制细菌和螨虫滋生，保证干净的睡眠环境。其强大的吸湿祛湿功能，可以快速吸走湿气，透气排汗（透气性是中空棉的3.5倍，保暖性是中空棉的4倍），保证舒爽睡眠环境的同时，还能破坏螨虫滋生繁衍的潮湿环境，全方位抑制及消灭螨虫。能够吸收外界与人体能量，并放射远红外线，达到蓄热保温的功能。
（4）远红外陶瓷粉使得改性后的中空棉能有效调节周围环境的空气质量，发射较强的生物波，促进血液循环，能吸收与放射远红外线，使体内的血液循环顺畅，达到新陈代谢的目的，防止人体老化和早衰。同时具有负离子释放功能，负离子对改善空气质量、环境具有明显的作用，能改善局部环境促进人体新陈代谢，减缓自由基的形成，给家人新鲜的呼吸。
附图说明
图1为本发明实施例3所述被芯的结构示意图；
图2为本发明实施例4所述被芯的结构示意图；
图3为本发明实施例5所述被套的结构示意图；
其中：1：石墨烯负离子中空棉填充物；2：纳米银抗菌布层；3：防辐射布层；4：上层被芯；5：中层被芯；6：下层被芯；7：夹层；8：驱蚊夹层。
具体实施方式
实施例1
一种石墨烯负离子中空棉的制备方法，包括：
（1）将中空棉粉碎，得到中空棉颗粒，备用；
（2）将中空棉颗粒加入到硅烷偶联剂水溶液中，硅烷偶联剂的加入量为中空棉颗粒重量的0.1%，超声分散15min制成分散液；
（3）将氧化石墨烯和远红外陶瓷粉以4：1的质量比混合到离子水中，超声分散15min制成分散液，静置、过滤，得到远红外陶瓷粉插层氧化石墨烯沉淀物；氧化石墨烯粉体的片径为100～200nm，片层厚度为1.0～1.5nm；氧化石墨烯和远红外陶瓷粉的加入量为步骤2所述中空棉颗粒重量的0.3%；所述远红外陶瓷粉内包含纳米氧化钛；
（4）将步骤3所得沉淀物加入到步骤2所得分散液中，超声分散15min，然后将反应体系用氮气密封放入微波炉，设置微波输出功率为800W，加热15min后，将生成物混合液过滤，收集得到沉淀产物，再用乙醇和去离子水清洗沉淀产物直到中性，然后将沉淀产物干燥；
（5）将步骤4所得沉淀物与中空棉颗粒混合，沉淀物与中空棉颗粒的重量比为1:5，螺杆挤出，螺杆挤出的熔融温度为250℃，进行熔融纺丝，然后开松即得到所述的石墨烯负离子中空棉。
步骤5所述的熔融纺丝技术是本领域的公知技术。
所得石墨烯负离子中空棉产品功能指标为：负离子浓度5200个/cm3，远红外法向发射率0.96（FZ/T64010-2000检验方法），对大肠杆菌、金色葡萄球菌、白色念珠菌等多种细菌抑菌率达到99%（GB/T20944.3-2008），保暖率94.1%（测试方法为GBT11048-2008纺织品生理舒适性稳态条件下热阻和湿阻的测定），透气率321.3mm/s（测试方法为GBT5453-1997纺织物透气性检测）。
所得石墨烯负离子中空棉产品具有杀菌除异味功能，有效抑制细菌和螨虫滋生，保证干净的睡眠环境。而且调节周围环境的空气质量，较强的生物波发射功能，促进血液循环，防止人体老化和早衰；持久的抗菌杀菌性能，不但能杀灭对人体有害的细菌，又不伤害人体；优良的除臭性能，脱除异味，保持良好的生活空间。手感柔软，蓬松，具有透气性和释放负离子功能，不易滋生菌类，结构稳定，耐用不易变形。
实施例2
一种石墨烯负离子中空棉的制备方法，包括：
（1）将中空棉粉碎，得到中空棉颗粒，备用；
（2）将中空棉颗粒加入到硅烷偶联剂水溶液中，硅烷偶联剂的加入量为中空棉颗粒重量的0.5%，超声分散20min制成分散液；
（3）将氧化石墨烯和远红外陶瓷粉以6：1的质量比混合到离子水中，超声分散20min制成分散液，静置、过滤，得到远红外陶瓷粉插层氧化石墨烯沉淀物；氧化石墨烯粉体的片径为100～200nm，片层厚度为1.0～1.5nm；氧化石墨烯和远红外陶瓷粉的加入量为步骤2所述中空棉颗粒重量的1%；
所述远红外陶瓷粉内包含纳米氧化钛，具有催化氧化功能，在太阳光(尤其是紫外线)照射下，生成OH-，能有效除去室内的苯、甲醛、硫化物、氨和臭味物质，并具有杀菌功能。
（4）将步骤3所得沉淀物加入到步骤2所得分散液中，超声分散20min，然后将反应体系用氮气密封放入微波炉，设置微波输出功率为800W，加热30min后，将生成物混合液过滤，收集得到沉淀产物，再用乙醇和去离子水清洗沉淀产物直到中性，然后将沉淀产物干燥；
（5）将步骤4所得沉淀物与中空棉颗粒混合，沉淀物与中空棉颗粒的重量比为1:10，螺杆挤出，螺杆挤出的熔融温度为250℃，进行熔融纺丝，然后开松即得到所述的石墨烯负离子中空棉。
所得石墨烯负离子中空棉产品功能指标为：负离子浓度5700个/cm3，远红外法向发射率0.96，对大肠杆菌、金色葡萄球菌、白色念珠菌等多种细菌抑菌率达到99%，保暖率95.6%，透气率306.2mm/s。
所得石墨烯负离子中空棉产品具有杀菌除异味功能，有效抑制细菌和螨虫滋生，保证干净的睡眠环境。而且调节周围环境的空气质量，较强的生物波发射功能，促进血液循环，防止人体老化和早衰；持久的抗菌杀菌性能，不但能杀灭对人体有害的细菌，又不伤害人体；优良的除臭性能，脱除异味，保持良好的生活空间。手感柔软，蓬松，具有透气性和释放负离子功能，不易滋生菌类，结构稳定，耐用不易变形。
实施例3
一种石墨烯负离子发热内暖被，包括被套和置于被套内的被芯，如图1所示，所述被芯包括：石墨烯负离子中空棉填充物1、包裹在石墨烯负离子中空棉外的纳米银抗菌布层2、包裹在纳米银抗菌布层外的防辐射布层3。纳米银抗菌布层可起到抗菌除菌的作用，而防辐射布层可以起到防辐射的作用，保健功能更佳。
所述石墨烯负离子中空棉为实施例1或2的方法制备得到的石墨烯负离子中空棉。
实施例4
本实施例与实施例3的区别在于：
如图2所示，内暖被包括三层被芯，所述三层被芯通过粘扣相互粘接在一起。所述三层被芯分别为：上层被芯4、中层被芯5、下层被芯6，所述上层被芯的填充物包括：负离子棉和蚕丝，所述中层被芯的填充物包括：石墨烯负离子中空棉，所述下层被芯的填充物包括：石墨烯负离子中空棉。所述上层被芯、中层被芯和下层被芯内填充物的重量比为0.5：2:1；所述上层被芯的填充物包括：重量比为1:2.5的负离子棉和蚕丝。
根据季节温度不同，可以选择被子的厚度：在夏季温度较高时，将中层被芯5、下层被芯6拆除，只保留上层被芯4，上层被芯4较薄，而且填充物为负离子棉和透气性较好的蚕丝，上层被芯4既具有负离子保健功能，又具有清凉透气的特点，适合用作夏凉被；在春秋季时，气温变化较快，可以选择只保留中层被芯或下层被芯或上层被芯和下层被芯，可以根据温度的变化情况，灵活的调节被子的厚度和保暖度；在冬季，气温较低，可以选择上层被芯4、中层被芯5、下层被芯6组合的保暖被，被芯由三层组合而成，保暖性较单层更优。
实施例5
本实施例与实施例3、实施例4的区别在于：
如图3示，所述被套在靠近头部处设置有一侧开口的夹层，所述夹层内放置有中药助眠药包，所述夹层开口处设置有粘扣。所述被套在靠近脚部处设置有一侧开口的驱蚊夹层，所述驱蚊夹层内放置有驱蚊药包，所述夹层开口处设置有粘扣。
中药助眠药包设置在靠近头部处，在睡觉时可以起到助眠的效果；驱蚊药包在夏季可以起到驱除蚊虫的效果。

Claims (8)

1.一种石墨烯负离子发热内暖被，包括被套和置于被套内的被芯，其特征在于：所述被芯包括：石墨烯负离子中空棉填充物，所述石墨烯负离子中空棉由以下方法制备：
步骤1：将中空棉粉碎，得到中空棉颗粒，备用；
步骤2：将中空棉颗粒加入到硅烷偶联剂水溶液中，超声分散15~20min制成分散液；
步骤3：将氧化石墨烯和远红外陶瓷粉以4~6：1的质量比混合到溶剂中，超声分散15~20min制成分散液，静置、过滤，得到远红外陶瓷粉插层氧化石墨烯沉淀物；
步骤4：将步骤3所得沉淀物加入到步骤2所得分散液中，超声分散15~20min，然后将超声分散得到的反应体系用氮气密封放入微波炉，设置微波输出功率为800W，加热15-30min后，将生成物混合液过滤，收集得到沉淀产物，再用乙醇和去离子水清洗沉淀产物直到中性，然后将沉淀产物干燥；
步骤5：将步骤4所得沉淀产物与中空棉颗粒混合，螺杆挤出，进行熔融纺丝，然后开松即得到所述的石墨烯负离子中空棉；
步骤3中所述溶剂为去离子水，氧化石墨烯粉体的片径为100~200nm，片层厚度为1.0~1.5nm；所述步骤2中，硅烷偶联剂的加入量为中空棉颗粒重量的0.1~0.5%；所述步骤3中，氧化石墨烯和远红外陶瓷粉的总加入量为步骤2所述中空棉颗粒重量的0.3~1%；所述步骤5中，沉淀产物与中空棉颗粒的重量比为1:5~10。
2.根据权利要求1所述的石墨烯负离子发热内暖被，其特征在于：步骤3中所述远红外陶瓷粉内包含纳米氧化钛。
3.根据权利要求1所述的石墨烯负离子发热内暖被，其特征在于：所述被芯包括：石墨烯负离子中空棉填充物、包裹在石墨烯负离子中空棉填充物外的纳米银抗菌布层、包裹在纳米银抗菌布层外的防辐射布层。
4.根据权利要求1所述的石墨烯负离子发热内暖被，其特征在于：所述内暖被包括三层被芯，所述三层被芯通过粘扣相互粘接在一起。
5.根据权利要求4所述的石墨烯负离子发热内暖被，其特征在于：所述三层被芯分别为：上层被芯、中层被芯、下层被芯，所述上层被芯的填充物包括：负离子棉和蚕丝，所述中层被芯的填充物包括：石墨烯负离子中空棉，所述下层被芯的填充物包括：石墨烯负离子中空棉。
6.根据权利要求5所述的石墨烯负离子发热内暖被，其特征在于：所述中层被芯和下层被芯内填充物的重量比为2-3:1；所述上层被芯的填充物包括：重量比为1:2-2.5的负离子棉和蚕丝；所述三层被芯的填充物表层分别包裹有纳米银抗菌布层和防辐射布层。
7.根据权利要求1所述的石墨烯负离子发热内暖被，其特征在于：所述被套在靠近头部处设置有一侧开口的夹层，所述夹层内放置有中药助眠药包，所述夹层开口处设置有粘扣。
8.根据权利要求7所述的石墨烯负离子发热内暖被，其特征在于：所述被套在靠近脚部处设置有一侧开口的驱蚊夹层，所述驱蚊夹层内放置有驱蚊药包，所述夹层开口处设置有粘扣。
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