CN112778484A - 一种含石墨烯量子点聚氨酯海绵枕及其制备方法 - Google Patents
一种含石墨烯量子点聚氨酯海绵枕及其制备方法 Download PDFInfo
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Abstract
本发明涉及含石墨烯量子点的聚氨酯复合材料的技术领域,提供了一种含石墨烯量子点聚氨酯海绵枕及其制备方法,包括多元醇50~70份;聚醚多元醇15~35份;色料0.5~1.5份;硅油2.7~3.4份;交联剂0.1~0.3份;催化剂0.1~0.3份;水2~6份;石墨烯量子点0.2~0.7份。本发明克服了现有技术的不足,设计合理,结构紧凑,解决了现有的聚氨酯材料的海绵枕不具备杀菌的问题,本发明通过简单的结构组合,对石墨烯进行极性处理后,将石墨烯添加到聚氨酯复合材料中,使得整体具备抗菌效果,而且不影响聚氨酯材料的机械性能,同时整个加工工艺工程简单,可塑性较强,具有很强的实用性。
Description
技术领域
本发明涉及含石墨烯量子点的聚氨酯复合材料的技术领域,具体涉及一种含石墨烯量子点聚氨酯海绵枕及其制备方法。
背景技术
海绵枕因其质感柔软,弹性适中,可以有效预防和消除疲劳和酸痛而让人迅速进入良好的睡眠状态等优点而被消费者在家居场所中广泛使用。但一般海绵在使用一段时间后往往由于透气性和散湿性较差,且难以清洗,容易发生霉变或滋生细菌和其他有害微生物,对人体健康构成威胁。
目前,抗菌型聚氨酯泡沫塑料都是采用加入人工合成的有机杀毒材料或助剂制成的,其存在抗菌性较弱、耐热性和稳定性较差、自身分解产物和挥发物可能对人体有害等缺陷,限制了其在聚氨酯材料中的使用。
聚氨酯材料制备的海绵枕在使用过程中,经常与人体直接接触,容易沾上人体汗液等分泌物,滋生细菌和螨虫;另外,由于散湿性较差,易氧化,也容易滋生细菌或者发生霉变,产生有害微生物,容易对人体健康构成威胁,为了提高海绵枕的抗菌效果,采用石墨烯这种材料,然而石墨烯材料的特性,疏水性,不容易添加到聚氨酯材料中,即使有部分采用特殊工艺,将石墨烯材料添加到聚氨酯材料中后,会影响到聚氨酯材料的性能,导致机械性能下降。
为此,我们提出一种含石墨烯量子点聚氨酯海绵枕及其制备方法。
发明内容
(一)解决的技术问题
针对现有技术的不足,本发明提供了一种含石墨烯量子点聚氨酯海绵枕及其制备方法,克服了现有技术的不足,设计合理,结构紧凑,解决了现有的聚氨酯材料的海绵枕不具备杀菌的问题,本发明通过简单的结构组合,对石墨烯进行极性处理后,将石墨烯添加到聚氨酯复合材料中,使得整体具备抗菌效果,而且不影响聚氨酯材料的机械性能,同时整个加工工艺工程简单,可塑性较强,具有很强的实用性。
(二)技术方案
为实现以上目的,本发明通过以下技术方案予以实现:
一种含石墨烯量子点的聚氨酯海绵枕复合材料,按重量份数计包括:
多元醇50~70份;
聚醚多元醇15~35份;
色料0.5~1.5份;
硅油2.7~3.4份;
交联剂0.1~0.3份;
催化剂0.1~0.3份;
水2~6份;
石墨烯量子点0.2~0.7份。
进一步的,所述聚醚多元醇包括20~30份聚醚多元醇Ⅰ和5~25份聚醚多元醇Ⅱ。
进一步的,所述聚醚多元醇Ⅰ为环氧丙烷聚醚多元醇15%环氧乙烷封端,分子量为1000~2000,官能度为3,羟值为50~170;
进一步的,所述聚醚多元醇Ⅱ为环氧乙烷多元醇15%环氧丙烷封端,官能度为2,羟值为100。
进一步的,所述环氧丙烷聚醚多元醇15%环氧乙烷封端,其以低分子量聚醚二醇作为起始剂,在催化剂作用下,先投入环氧丙烷进行反应,而后加入占原料总质量15%的环氧乙烷进行封端,经中和、过滤、减压蒸馏得到成品。
进一步的,所述环氧乙烷多元醇15%环氧丙烷封端,其同样以低分子量聚醚二醇作为起始剂,在催化剂作用下,先投入环氧乙烷进行反应,而后加入占原料总质量15%的环氧丙烷进行封端,使其端基为仲羟基,经中和、过滤、减压蒸馏得到成品。
进一步的,所述石墨烯量子点是指石墨烯片层尺寸在100nm以内,片层层数在10层以下的新型碳纳米材料。
进一步的,所述硅油为二甲基硅油与聚醚型硅油按质量比1:4混合而成。
进一步的,包括如下步骤:
1)、按照重量份数称取各组分,将50~70份多元醇、20~30份聚醚多元醇Ⅰ及5~25份聚醚多元醇Ⅱ投入50-70℃的反应釜中搅拌均匀;
2)、将2.7~3.4份硅油、0.1~0.3份交联剂、0.1~0.3份催化剂及2~6水投入步骤1)的反应釜中,进行离心处理,离心速度为300-500rpm/min;
3)、将0.2~0.7份石墨烯量子点和0.5~1.5份色料搅拌加入步骤2)中的反应釜中,在常温下反应成型。
进一步的,将成型的含石墨烯量子点的聚氨酯复合材料通过模具加工成枕具形状。
(三)有益效果
本发明实施例提供了一种含石墨烯量子点聚氨酯海绵枕及其制备方法。具备以下有益效果:
1、本发明提供的石墨烯量子点海绵枕具有舒适性以及优异的抗菌抑菌效果,抗菌效果在99%以上;
2、本发明提供的石墨烯量子点海绵枕具有良好的透气性和散热性;
3、本发明提供的石墨烯量子点海绵枕手感并不随添加量子点而受到影响,依旧可以保持原有的柔软与良好的回弹性。
4、本发明提供的石墨烯量子点海绵枕制备方法简单,操作容易,性价比高,并可批量生产,加工方便,可塑性强,方便塑造不同的造型,同时质地松软,而且通过添加石墨烯量子点起到杀菌作用,有效防止聚氨酯材料发霉
具体实施方式
为使本发明实施例的目的、技术方案和优点更加清楚,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作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。
实施例1
一种含石墨烯量子点的聚氨酯海绵枕复合材料,按重量份数计包括:
多元醇60份;
聚醚多元醇I 25份;
聚醚多元醇II 15份,两种聚醚多元醇均为主反应原料;
色料1份;
硅油3份;
交联剂0.2份,提高泡沫的机械性能,使得整体具备很好的回弹性能;
催化剂0.2份;
水4份;
石墨烯量子点0.5份。
聚醚多元醇Ⅰ为环氧丙烷聚醚多元醇15%环氧乙烷封端,分子量为1000~2000,官能度为3,羟值为50~170;聚醚多元醇Ⅱ为环氧乙烷多元醇15%环氧丙烷封端,官能度为2,羟值为100。
环氧丙烷聚醚多元醇15%环氧乙烷封端,其以低分子量聚醚二醇作为起始剂,在催化剂作用下,先投入环氧丙烷进行反应,而后加入占原料总质量15%的环氧乙烷进行封端,经中和、过滤、减压蒸馏得到成品。
环氧乙烷多元醇15%环氧丙烷封端,其同样以低分子量聚醚二醇作为起始剂,在催化剂作用下,先投入环氧乙烷进行反应,而后加入占原料总质量15%的环氧丙烷进行封端,使其端基为仲羟基,经中和、过滤、减压蒸馏得到成品。
这里采用环氧丙烷聚醚多元醇15%环氧乙烷封端与传统环氧乙烷封端环氧丙烷聚醚多元醇相比,使得聚醚多元醇兼备高活性、低温温感性好、热塑性好、撕拉强度好的性能。
作为一种具体的实施方式,所述石墨烯量子点(Graphene quantum dots,GQDs)作为一种碳点,是指石墨烯片层尺寸在100nm以内,片层层数在10层以下的新型碳纳米材料。
作为一种具体的实施方式,所述硅油为二甲基硅油与聚醚型硅油按质量比1:4混合而成。
由于上述技术方案的运用,本发明与现有技术相比具有下列优点:本发明的含石墨烯量子点聚氨酯复合材料,其以多元醇为主原料,结合聚醚多元醇Ⅰ、聚醚多元醇Ⅱ等组分,利用各组分间的协同增效作用,使该复合材料具有良好的稳定性,而通过添加石墨烯量子点起到杀菌作用,有效防止聚氨酯材料发霉。
实施例2
一种含石墨烯量子点的聚氨酯海绵枕复合材料的制备方法,包括如下步骤:
1)、按照重量份数称取各组分,将60份多元醇、25份聚醚多元醇Ⅰ及聚15份醚多元醇Ⅱ投入50-70℃的反应釜中搅拌均匀;
2)、将3份硅油、0.2份交联剂、0.2份催化剂及水4份投入步骤1)的反应釜中,进行离心处理,离心速度为300-500rpm/min;
3)、将0.5份石墨烯量子点和1份色料搅拌加入步骤2)中的反应釜中,在常温下反应成型。
本发明提供的石墨烯量子点海绵枕制备方法简单,操作容易,成本低廉,并可批量生产。
实施例3
利用含石墨烯量子点的聚氨酯制备成枕具,将成型的含石墨烯量子点的聚氨酯复合材料通过模具加工成枕具形状,加工方便,可塑性强,方便塑造不同的造型,利用各组分间的协同增效作用,使该复合材料具有良好的稳定性,同时质地松软,而且通过添加石墨烯量子点起到杀菌作用,有效防止聚氨酯材料发霉。
需要说明的是,在本文中,诸如第一和第二等之类的关系术语仅仅用来将一个实体或者操作与另一个实体或操作区分开来,而不一定要求或者暗示这些实体或操作之间存在任何这种实际的关系或者顺序。而且,术语“包括”、“包含”或者其任何其他变体意在涵盖非排他性的包含,从而使得包括一系列要素的过程、方法、物品或者设备不仅包括那些要素,而且还包括没有明确列出的其他要素,或者是还包括为这种过程、方法、物品或者设备所固有的要素。在没有更多限制的情况下,由语句“包括一个……”限定的要素,并不排除在包括所述要素的过程、方法、物品或者设备中还存在另外的相同要素。
以上实施例仅用以说明本发明的技术方案,而非对其限制;尽管参照前述实施例对本发明进行了详细的说明,本领域的普通技术人员应当理解:其依然可以对前述各实施例所记载的技术方案进行修改,或者对其中部分技术特征进行等同替换;而这些修改或者替换,并不使相应技术方案的本质脱离本发明各实施例技术方案的精神和范围。
Claims (10)
1.一种含石墨烯量子点的聚氨酯海绵枕复合材料,其特征在于:
按重量份数计包括:
多元醇50~70份;
聚醚多元醇15~35份;
色料0.5~1.5份;
硅油2.7~3.4份;
交联剂0.1~0.3份;
催化剂0.1~0.3份;
水2~6份;
石墨烯量子点0.2~0.7份。
2.如权利要求1所述的一种含石墨烯量子点的聚氨酯海绵枕复合材料,其特征在于:所述聚醚多元醇包括20~30份聚醚多元醇Ⅰ和5~25份聚醚多元醇Ⅱ。
3.如权利要求2所述的一种含石墨烯量子点的聚氨酯海绵枕复合材料,其特征在于:所述聚醚多元醇Ⅰ为环氧丙烷聚醚多元醇15%环氧乙烷封端,分子量为1000~2000,官能度为3,羟值为50~170。
4.如权利要求1所述的一种含石墨烯量子点的聚氨酯海绵枕复合材料,其特征在于:所述聚醚多元醇Ⅱ为环氧乙烷多元醇15%环氧丙烷封端,官能度为2,羟值为100。
5.如权利要求3所述的一种含石墨烯量子点的聚氨酯海绵枕复合材料,其特征在于:所述环氧丙烷聚醚多元醇15%环氧乙烷封端,其以低分子量聚醚二醇作为起始剂,在催化剂作用下,先投入环氧丙烷进行反应,而后加入占原料总质量15%的环氧乙烷进行封端,经中和、过滤、减压蒸馏得到成品。
6.如权利要求4所述的一种含石墨烯量子点的聚氨酯海绵枕复合材料,其特征在于:所述环氧乙烷多元醇15%环氧丙烷封端,其同样以低分子量聚醚二醇作为起始剂,在催化剂作用下,先投入环氧乙烷进行反应,而后加入占原料总质量15%的环氧丙烷进行封端,使其端基为仲羟基,经中和、过滤、减压蒸馏得到成品。
7.如权利要求1所述的一种含石墨烯量子点的聚氨酯海绵枕复合材料,其特征在于:所述石墨烯量子点是指石墨烯片层尺寸在100nm以内,片层层数在10层以下的新型碳纳米材料。
8.如权利要求1所述的一种含石墨烯量子点的聚氨酯海绵枕复合材料,其特征在于:所述硅油为二甲基硅油与聚醚型硅油按质量比1:4混合而成。
9.如权利要求1-7任一项的所述的一种含石墨烯量子点的聚氨酯海绵枕复合材料的制备方法,其特征在于,包括如下步骤:
1)、按照重量份数称取各组分,将50~70份多元醇、20~30份聚醚多元醇Ⅰ及5~25份聚醚多元醇Ⅱ投入50-70℃的反应釜中搅拌均匀;
2)、将2.7~3.4份硅油、0.1~0.3份交联剂、0.1~0.3份催化剂及2~6水投入步骤1)的反应釜中,进行离心处理,离心速度为300-500rpm/min;
3)、将0.2~0.7份石墨烯量子点和0.5~1.5份色料搅拌加入步骤2)中的反应釜中,在常温下反应成型。
10.如权利要求1所述的一种含石墨烯量子点的聚氨酯海绵枕复合材料制备成枕具的方法,其特征在于:将成型的含石墨烯量子点的聚氨酯复合材料通过模具加工成枕具形状。
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