CN108467687A - 一种气凝胶贴膜制作方法 - Google Patents
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Abstract
本发明公开了一种气凝胶贴膜制作方法,包括如下步骤:制备气凝胶和制备贴膜;本发明方法简单,可工业大批量进行生产,具有防爆性、抗磨性、防紫外线、私密性、防眩光和隔热防晒的特点,可减少工序的浪费并提高产品质量,它改变了高聚物分子及链段的排列,使其具有了高度平面取向性、结晶度提高,使贴膜的机械强度和表面光洁度明显提高,而且还可以根据自己的个性和喜好,来挑选和制作自己专属的贴膜,可以更好的满足人们现在的需求。
Description
技术领域
本发明涉及气凝胶贴膜技术领域,具体为一种气凝胶贴膜制作方法。
背景技术
气凝胶,又称为干凝胶。当凝胶脱去大部分溶剂,使凝胶中液体含量比固体含量少得多,或凝胶的空间网状结构中充满的介质是气体,外表呈固体状,这即为干凝胶,也称为气凝胶。如明胶、阿拉伯胶、硅胶、毛发、指甲等。气凝胶也具凝胶的性质,即具膨胀作用、触变作用、离浆作用。现代电子产品携带越来越轻便化,体积越来越小,功能越来越强大,这样导致集成度越来越高。这样导致体积在缩小,功能变强大,直接导致电子元器件的散热要求越来越高。而以前采用的风扇式散热,由于体积大,会产生噪音等问题,逐渐被市场淘汰。进而产生了其它的散热材料,如铜箔、铝箔类散热,但是由于资源有限,而且价格昂贵,散热效果也没有想象中的好,慢慢的,都在寻找新的高效的散热材料。其次,由于电子产品的多样性,现有的产品往往需要定制,从而难适用具体的使用场合且限制了其应用的推广;因此,如果设计一种针对电子产品特点的具有高性能散热胶带,成为本领域普通技术人员努力的方向而气凝胶贴膜。
所以,如何设计一种气凝胶贴膜制作方法,成为我们当前要解决的问题。
发明内容
本发明提供一种气凝胶贴膜制作方法,方法简单,可工业大批量进行生产,具有防爆性、抗磨性、防紫外线、私密性、防眩光和隔热防晒的特点,可减少工序的浪费并提高产品质量,它改变了高聚物分子及链段的排列,使其具有了高度平面取向性、结晶度提高,使贴膜的机械强度和表面光洁度明显提高,而且还可以根据自己的个性和喜好,来挑选和制作自己专属的贴膜,可以更好的满足人们现在的需求,可以有效解决上述背景技术中的问题。
为实现上述目的,本发明提供如下技术方案:一种气凝胶贴膜制作方法,包括如下步骤:
1)制备气凝胶:首先将原料按照摩尔比正硅酸乙酯:丙酮:无水乙醇:水=1:4:4:4的比例充分混合搅拌均匀,然后加入稀盐酸调节溶胶的pH值到3-4,然后加入稀氨水调节溶胶的pH值到6-7,然后室温下静置使之成为凝胶,将凝胶在室温下老化,再加入无水乙醇,使凝胶浸泡于其中,无水乙醇没过凝胶,在50℃环境中老化一天,然后冷却至室温后进行表面疏水处理,三甲基氯硅烷正己烷溶液缓慢倒入已老化后降至室温的凝胶中,将凝胶完全淹没,并将容器密封,室温下反应两天,然后在55℃鼓风式烘箱中继续反应两天,将剩余液体倒出后用丙酮浸泡至少一天,以使残留在凝胶中的正己烷溶剂置换出来,然后将凝胶置于55℃烘箱中干燥一个星期,即得到气凝胶;
2)制备贴膜:选择聚醚多元醇和步骤1)中制得的气凝胶分别加入到三口瓶中,先进行加热升温,然后10-2-10-3Pa的条件下进行脱水,然后在常温环境中进行降温后,即制得备用反应液;采用多层共挤工艺,通过T膜头将异佛尔酮二异氰酸酯挤出,然后通过急冷辊进行冷却,得到挤出料A;将辛酸亚锡加入到备用反应液中,然后加入挤出料A进行反应,冷却至室温后得到混合料B;向混合料B中依次加入1,4-丁二醇、二羟甲基丙酸进行反应,在常温环境中进行降温后加入三乙胺进行中和,再加入成膜剂、消泡剂、去离子水进行搅拌,得到混合料C,然后将混合料C加入到缠绕膜系机器中进行制膜,得的气凝胶贴膜。
根据上述技术方案:所述成膜剂的制备方法为:向异佛尔酮二异氰酸酯中加入聚碳酸酯二醇进行反应,在常温环境中进行降温后,加入聚氧化丙烯二醇、二羟甲基丁酸和三乙胺进行中和,再加入成膜剂、消泡剂、去离子水进行搅拌,得到混合料;然后降温至40℃,加入乙二胺和水进行乳化扩链1-2h,得到成膜剂。
根据上述技术方案:所述消泡剂的制备方法为:在氮气氛围中将含氢硅油和乙烯基硅树脂混合加入到反应釜中,边搅拌边加热,使温度加热至100℃时,加入催化剂进行反应,在高温环境下进行保温,得到聚合物;将聚合物与白炭黑、低粘度二甲基硅油、高粘度二甲基硅油和强碱催化剂混合,在高温环境下进行搅拌,冷却至室温得粘稠状混合物,即为硅膏;将硅膏与三元共聚体进行复配,即得到消泡剂。
根据上述技术方案:所述去离子水的制备方法为先启动第一水泵,第一水泵将自来水抽入第一反渗透柱内,在水压的作用下自来水顺次通过第二反渗透柱、第三反渗透柱进入中间水箱内暂存,随后启动第二水泵,第二水泵将中间水箱内去掉阴阳离子的水抽入超滤器内,在超滤器内制得水分子团,水分子团极大提高了油污的分解能力,最后在水压的作用下水分子团进入储水槽内收集,进而制得去离子水。
根据上述技术方案:所述气凝胶制备工艺还包括包装工艺。
与现有技术相比,本发明的有益效果:方法简单,可工业大批量进行生产,具有防爆性、抗磨性、防紫外线、私密性、防眩光和隔热防晒的特点,可减少工序的浪费并提高产品质量,它改变了高聚物分子及链段的排列,使其具有了高度平面取向性、结晶度提高,使贴膜的机械强度和表面光洁度明显提高,而且还可以根据自己的个性和喜好,来挑选和制作自己专属的贴膜,可以更好的满足人们现在的需求。
附图说明
附图用来提供对本发明的进一步理解,并且构成说明书的一部分,与本发明的实施例一起用于解释本发明,并不构成对本发明的限制。
在附图中:
图1是本发明的制作流程图。
具体实施方式
以下结合附图对本发明的优选实施例进行说明,应当理解,此处所描述的优选实施例仅用于说明和解释本发明,并不用于限定本发明。
实施例:如图1所示,本发明提供一种气凝胶贴膜制作方法,包括如下步骤:
1)制备气凝胶:首先将原料按照摩尔比正硅酸乙酯:丙酮:无水乙醇:水=1:4:4:4的比例充分混合搅拌均匀,然后加入稀盐酸调节溶胶的pH值到3-4,然后加入稀氨水调节溶胶的pH值到6-7,然后室温下静置使之成为凝胶,将凝胶在室温下老化,再加入无水乙醇,使凝胶浸泡于其中,无水乙醇没过凝胶,在50℃环境中老化一天,然后冷却至室温后进行表面疏水处理,三甲基氯硅烷正己烷溶液缓慢倒入已老化后降至室温的凝胶中,将凝胶完全淹没,并将容器密封,室温下反应两天,然后在55℃鼓风式烘箱中继续反应两天,将剩余液体倒出后用丙酮浸泡至少一天,以使残留在凝胶中的正己烷溶剂置换出来,然后将凝胶置于55℃烘箱中干燥一个星期,即得到气凝胶;
2)制备贴膜:选择聚醚多元醇和步骤1)中制得的气凝胶分别加入到三口瓶中,先进行加热升温,然后10-2-10-3Pa的条件下进行脱水,然后在常温环境中进行降温后,即制得备用反应液;采用多层共挤工艺,通过T膜头将异佛尔酮二异氰酸酯挤出,然后通过急冷辊进行冷却,得到挤出料A;将辛酸亚锡加入到备用反应液中,然后加入挤出料A进行反应,冷却至室温后得到混合料B;向混合料B中依次加入1,4-丁二醇、二羟甲基丙酸进行反应,在常温环境中进行降温后加入三乙胺进行中和,再加入成膜剂、消泡剂、去离子水进行搅拌,得到混合料C,然后将混合料C加入到缠绕膜系机器中进行制膜,得的气凝胶贴膜。
根据上述技术方案:所述成膜剂的制备方法为:向异佛尔酮二异氰酸酯中加入聚碳酸酯二醇进行反应,在常温环境中进行降温后,加入聚氧化丙烯二醇、二羟甲基丁酸和三乙胺进行中和,再加入成膜剂、消泡剂、去离子水进行搅拌,得到混合料;然后降温至40℃,加入乙二胺和水进行乳化扩链1-2h,得到成膜剂。
根据上述技术方案:所述消泡剂的制备方法为:在氮气氛围中将含氢硅油和乙烯基硅树脂混合加入到反应釜中,边搅拌边加热,使温度加热至100℃时,加入催化剂进行反应,在高温环境下进行保温,得到聚合物;将聚合物与白炭黑、低粘度二甲基硅油、高粘度二甲基硅油和强碱催化剂混合,在高温环境下进行搅拌,冷却至室温得粘稠状混合物,即为硅膏;将硅膏与三元共聚体进行复配,即得到消泡剂。
根据上述技术方案:所述去离子水的制备方法为先启动第一水泵,第一水泵将自来水抽入第一反渗透柱内,在水压的作用下自来水顺次通过第二反渗透柱、第三反渗透柱进入中间水箱内暂存,随后启动第二水泵,第二水泵将中间水箱内去掉阴阳离子的水抽入超滤器内,在超滤器内制得水分子团,水分子团极大提高了油污的分解能力,最后在水压的作用下水分子团进入储水槽内收集,进而制得去离子水。
根据上述技术方案:所述气凝胶制备工艺还包括包装工艺。
基于上述,本发明的优点在于,方法简单,可工业大批量进行生产,具有防爆性、抗磨性、防紫外线、私密性、防眩光和隔热防晒的特点,可减少工序的浪费并提高产品质量,它改变了高聚物分子及链段的排列,使其具有了高度平面取向性、结晶度提高,使贴膜的机械强度和表面光洁度明显提高,而且还可以根据自己的个性和喜好,来挑选和制作自己专属的贴膜,可以更好的满足人们现在的需求。
最后应说明的是:以上所述仅为本发明的优选实例而已,并不用于限制本发明,尽管参照前述实施例对本发明进行了详细的说明,对于本领域的技术患者来说,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。凡在本发明的精神和原则之内,所作的任何修改、等同替换、改进等,均应包含在本发明的保护范围之内。
Claims (5)
1.一种气凝胶贴膜制作方法,其特征在于:包括如下步骤:
1)制备气凝胶:首先将原料按照摩尔比正硅酸乙酯:丙酮:无水乙醇:水=1:4:4:4的比例充分混合搅拌均匀,然后加入稀盐酸调节溶胶的pH值到3-4,然后加入稀氨水调节溶胶的pH值到6-7,然后室温下静置使之成为凝胶,将凝胶在室温下老化,再加入无水乙醇,使凝胶浸泡于其中,无水乙醇没过凝胶,在50℃环境中老化一天,然后冷却至室温后进行表面疏水处理,三甲基氯硅烷正己烷溶液缓慢倒入已老化后降至室温的凝胶中,将凝胶完全淹没,并将容器密封,室温下反应两天,然后在55℃鼓风式烘箱中继续反应两天,将剩余液体倒出后用丙酮浸泡至少一天,以使残留在凝胶中的正己烷溶剂置换出来,然后将凝胶置于55℃烘箱中干燥一个星期,即得到气凝胶;
2)制备贴膜:选择聚醚多元醇和步骤1)中制得的气凝胶分别加入到三口瓶中,先进行加热升温,然后10-2-10-3Pa的条件下进行脱水,然后在常温环境中进行降温后,即制得备用反应液;采用多层共挤工艺,通过T膜头将异佛尔酮二异氰酸酯挤出,然后通过急冷辊进行冷却,得到挤出料A;将辛酸亚锡加入到备用反应液中,然后加入挤出料A进行反应,冷却至室温后得到混合料B;向混合料B中依次加入1,4-丁二醇、二羟甲基丙酸进行反应,在常温环境中进行降温后加入三乙胺进行中和,再加入成膜剂、消泡剂、去离子水进行搅拌,得到混合料C,然后将混合料C加入到缠绕膜系机器中进行制膜,得的气凝胶贴膜。
2.根据权利要求1所述的一种气凝胶贴膜制作方法,其特征在于:所述成膜剂的制备方法为:向异佛尔酮二异氰酸酯中加入聚碳酸酯二醇进行反应,在常温环境中进行降温后,加入聚氧化丙烯二醇、二羟甲基丁酸和三乙胺进行中和,再加入成膜剂、消泡剂、去离子水进行搅拌,得到混合料;然后降温至40℃,加入乙二胺和水进行乳化扩链1-2h,得到成膜剂。
3.根据权利要求1所述的一种气凝胶贴膜制作方法,其特征在于:所述消泡剂的制备方法为:在氮气氛围中将含氢硅油和乙烯基硅树脂混合加入到反应釜中,边搅拌边加热,使温度加热至100℃时,加入催化剂进行反应,在高温环境下进行保温,得到聚合物;将聚合物与白炭黑、低粘度二甲基硅油、高粘度二甲基硅油和强碱催化剂混合,在高温环境下进行搅拌,冷却至室温得粘稠状混合物,即为硅膏;将硅膏与三元共聚体进行复配,即得到消泡剂。
4.根据权利要求1所述的一种气凝胶贴膜制作方法,其特征在于:所述去离子水的制备方法为先启动第一水泵,第一水泵将自来水抽入第一反渗透柱内,在水压的作用下自来水顺次通过第二反渗透柱、第三反渗透柱进入中间水箱内暂存,随后启动第二水泵,第二水泵将中间水箱内去掉阴阳离子的水抽入超滤器内,在超滤器内制得水分子团,水分子团极大提高了油污的分解能力,最后在水压的作用下水分子团进入储水槽内收集,进而制得去离子水。
5.根据权利要求1所述的一种气凝胶贴膜制作方法,其特征在于:所述气凝胶制备工艺还包括包装工艺。
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