CN110172753A - 一种高强度防雾霾纱窗的制备方法 - Google Patents
一种高强度防雾霾纱窗的制备方法 Download PDFInfo
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- C23C14/06—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the coating material
- C23C14/14—Metallic material, boron or silicon
- C23C14/20—Metallic material, boron or silicon on organic substrates
- C23C14/205—Metallic material, boron or silicon on organic substrates by cathodic sputtering
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- C—CHEMISTRY; METALLURGY
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- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/22—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the process of coating
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- C23C14/35—Sputtering by application of a magnetic field, e.g. magnetron sputtering
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Abstract
本发明涉及一种高强度防雾霾纱窗的制备方法,属于纺织材料技术领域。本发明以聚丙烯腈为原料,碳酸钙晶须和稻壳粉作为增强剂,制备出具有良好力学性能的防雾霾纱窗,当裂纹扩展到晶须处时,由于晶须具有较高的力学强度,承受了外界载荷并在纤维裂纹相对的两边之间进行桥接,由于裂纹扩展路径大大增加,破坏纤维的能量被消耗,使防雾霾纱窗的强度和韧性得到提高;本发明在碳化过程中,形成稳定的梯形结构,这种梯形分子再经脱氢反应而联结成石墨类似的结构,当温度升高至600℃以上,进行碳化时,还会发生脱氮反应形成更为规整的碳纤维结构,从而提高了防雾霾纱窗的力学性能。
Description
技术领域
本发明涉及一种高强度防雾霾纱窗的制备方法,属于纺织材料技术领域。
背景技术
雾霾使人类的身体健康受到严重威胁。防雾霾纳米纱窗因其具有良好的通风换气、防霾防尘等特点,迅速受到了人们的广泛关注。传统空气过滤技术因其过滤效率低、过滤阻力大、产量提升存在瓶颈等问题,难以满足日益增长的产业化需求。基于静电纺丝技术制备的亚微米纤维纱窗具有孔隙率高、过滤滤效高、易于功能化等优点,而被大量应用于过滤领域。由于接触室外阳光空气等,静电纺丝技术制备的亚微米纤维纱窗易受紫外光、风速等外界环境因素影响,在保证过滤性能的同时要求其兼备良好的透光和强力性能,此外,在实际应用中市场对其功能性提出了一定的要求。
目前市面上的室内防雾霾技术主要分为两种,一种为物理阻隔技术,又可分为纳米技术,核孔膜技术,以及静电技术三大类,另外一种是化学净化技术。物理阻隔技术的应用主要体现在防雾霾纱窗上,化学净化技术多采用在空气净化器上。
现有室内防霾技术虽然能在一定水平上解决可吸入颗粒物的吸附问题,但也有一些不足之处,例如除尘效率低,结构复杂,成本昂贵,透光率差,需要提高安全性。而基于静电纺丝技术制备的防雾霾亚微米纤维纱窗,其纤维直径在100nm以下,因而就有空隙小、比表面积大、内部空隙联通性好等特点,具有良好的透气性、透光度、过滤效率,同时可以有效阻隔空气中有害悬浮颗粒物,在显著提高除尘效率的同时,还能增强纱窗的透光性。
工业生产中,粉尘的产生是一种十分普遍的现象,工业的尘颗粒会对人体健康产生严重危害,若长期吸人粉尘颗粒容易引起尘肺病因此,需要采用高效空气过滤技术,降低工业生产环境中的粉尘含量,以减少其对人体的危害。目前,静电纺亚微米纱窗已经成功应用于工业粉尘过滤系统中。
室内空气中最大的污染物是可吸入颗粒物,如头皮屑、灰尘、飞沫、食物残渣和有害纤维,这些都会对人体造成极大的危害。开窗通风可以在一定程度上减少污染,但不能起到净化作用。室内空气过滤器的过滤材料作为核心部件,其过滤性受到科学家广泛关注。静电除尘器具有孔径小、表面结合能高的特点,可用于室内空气过滤来提高其过滤效率。
目前,制约亚微米纤维材料的广泛应用的最大原因之一是亚微米纤维材料力学性能差。为此,许多学者对亚微米纤维纱窗的强弱度进行了大量的研究。改进方法包括:共混粒子法(包括加入氧化物等)、后处理法(包括热压粘合、改性处理)、多材料的共混、多轴复合等。
发明内容
本发明所要解决的技术问题:针对现有纱窗材料力学性能差的问题,提供了一种高强度防雾霾纱窗的制备方法。
为解决上述技术问题,本发明采用的技术方案是:
(1)取聚丙烯腈粉末、碳酸钙晶须、N,N-二甲基甲酰胺、稻壳粉,将聚丙烯腈粉末、碳酸钙晶须、N,N-二甲基甲酰胺和稻壳粉混合,进行水浴搅拌处理,即得混合液,过滤即得前驱体溶液;
(2)将前驱体溶液进行纺丝处理,即得坯体,将坯体置于温度为40~50℃的烘箱中真空干燥3~6h,冷却至室温,即得半成品;将半成品置于马弗炉中,进行预氧化处理,即得预氧化半成品,在氮气气氛下,将预氧化半成品进行碳化处理,随炉温冷却,即得半成品;
(3)将半成品进行粗化处理,即得粗化成品,将粗化成品进行敏化处理,取出,即得敏化成品,将敏化成品进行活化处理,取出,即得活化成品;
(4)对活化成品进行磁控溅射镀膜处理,即得高强度防雾霾纱窗。
步骤(1)所述的聚丙烯腈粉末、碳酸钙晶须、N,N-二甲基甲酰胺、稻壳粉之间的比例分别为:按重量份数计,分别称取20~30份聚丙烯腈粉末、1~5份碳酸钙晶须、40~60份N,N-二甲基甲酰胺、1~3份稻壳粉。
步骤(1)所述的水浴搅拌处理步骤为:将聚丙烯腈粉末、碳酸钙晶须、N,N-二甲基甲酰胺和稻壳粉混合,在温度为80~90℃,搅拌速度为300~400r/min下水浴搅拌12~24h。
步骤(2)所述的将前驱体溶液进行纺丝处理步骤为:电压为50~60kV,接收距离为10~15cm,纺丝时间为20~30min,温度为20~30℃,湿度为40~45%。
步骤(2)所述的将半成品置于马弗炉中,进行预氧化处理步骤为:将半成品置于马弗炉中,在温度为270~300℃下预氧化20~30min。
步骤(2)所述的将预氧化半成品进行碳化处理步骤为:将预氧化半成品在温度为1200~1400℃下碳化1~2h。
步骤(3)所述的将半成品进行粗化处理步骤为:将半成品置于质量分数为50%硝酸中浸泡40~60min,取出,用去离子水冲洗2~3次。
步骤(3)所述的将粗化成品进行敏化处理步骤为:将粗化成品浸泡在质量分数为5%氯化亚锡溶液中超声10~15min。
步骤(3)所述的将敏化成品进行活化处理步骤为:将敏化成品浸泡在质量分数为5%氯化铅溶液中超声10~15min。
步骤(4)所述的对活化成品进行磁控溅射镀膜处理步骤为:对活化成品进行磁控溅射镀膜处理,溅射靶材为Φ60mm×3mm的高纯Al靶,纯度为99.999%,溅射气体为99.99%的氩气,反应气体为99.99%的氧气,真空室真空度为9.9×10-4Pa,靶基距60mm,溅射靶功率密度为5~15W/cm2。
本发明与其他方法相比,有益技术效果是:
(1)本发明以聚丙烯腈为原料,碳酸钙晶须和稻壳粉作为增强剂,制备出具有良好力学性能的防雾霾纱窗,当裂纹扩展到晶须处时,由于晶须具有较高的力学强度,承受了外界载荷并在纤维裂纹相对的两边之间进行桥接,如果裂纹要扩展就需要消耗更多的功,由于晶须与纤维具有不同的力学性质以及二者存在结合界面,当作用于晶须上的剪切应力大于纤维与晶须的界面结合强度时,晶须会被拔出,这时晶须与纤维结合界面会产生剥离和摩擦作用,使纤维阻止裂纹扩展,当裂纹发展到碳酸钙晶须的区域时,裂纹原来的扩展方向被限制,由于晶须-纤维界面比较薄弱,裂纹将沿着界面进行扩展,由于裂纹扩展路径大大增加,破坏纤维的能量被消耗,使防雾霾纱窗的强度和韧性得到提高;
(2)本发明在碳化过程中,已稳定化的聚丙烯腈发生脱水、脱氢和脱氮,在400~600℃和惰性气体存在下,氧化聚丙烯腈的含氧官能团发生脱水交联反应,形成稳定的梯形结构,这种梯形分子再经脱氢反应而联结成石墨类似的结构,当温度升高至600℃以上,进行碳化时,还会发生脱氮反应形成更为规整的碳纤维结构,碳酸钙晶须是1种尺寸远小于短纤维的须状单晶体,兼有矿物微粉和纤维的特性,与聚丙烯腈纤维有良好的相容性,是理想的增强材料,从而提高了防雾霾纱窗的力学性能;
(3)本发明通过磁控溅射镀膜工艺,采用铝靶为溅射源,成功实现铝单质在纤维表面的沉积,制备出力学性能良好的高强度防雾霾纱窗;先将纤维进行粗化、敏化和活化处理,经过粗化处理可以让纤维表面出现一条条凹坑买这种凹坑能改善镀层金属和纤维之间的结合力;采用氯化亚锡作为敏化液,让粗化之后的纤维外表层吸附一定量的具有还原性的Sn2 +,纤维经过敏化处理后,表面粘有的二价锡离子与水反应,在纤维表面生成一定量的Sn(OH)Cl;采用氯化铅作为活化剂,Pd2+被还原成Pd,吸附在纤维表面,在金属镀层过程中,金属镀层将会以Pd为中心核并长大,从而使金属镀层过程顺利进行,因此纤维表面被合金化,制备的高强度防雾霾纱窗的力学性能较好。
具体实施方式
按重量份数计,分别称取20~30份聚丙烯腈粉末、1~5份碳酸钙晶须、40~60份N,N-二甲基甲酰胺、1~3份稻壳粉,将聚丙烯腈粉末、碳酸钙晶须、N,N-二甲基甲酰胺和稻壳粉混合,在温度为80~90℃,搅拌速度为300~400r/min下水浴搅拌12~24h,即得混合液,过滤即得前驱体溶液;将前驱体溶液进行纺丝,电压为50~60kV,接收距离为10~15cm,纺丝时间为20~30min,温度为20~30℃,湿度为40~45%,即得坯体,将坯体置于温度为40~50℃的烘箱中真空干燥3~6h,冷却至室温,即得半成品;将半成品置于马弗炉中,在温度为270~300℃下预氧化20~30min,即得预氧化半成品,在氮气气氛下,将预氧化半成品在温度为1200~1400℃下碳化1~2h,随炉温冷却,即得半成品,半成品置于质量分数为50%硝酸中浸泡40~60min,取出,用去离子水冲洗2~3次,即得粗化成品,将粗化成品浸泡在质量分数为5%氯化亚锡溶液中超声10~15min,取出,即得敏化成品,将敏化成品浸泡在质量分数为5%氯化铅溶液中超声10~15min,取出,即得活化成品;对活化成品进行磁控溅射镀膜处理,溅射靶材为Φ60mm×3mm的高纯Al靶,纯度为99.999%,溅射气体为99.99%的氩气,反应气体为99.99%的氧气,真空室真空度为9.9×10-4Pa,靶基距60mm,溅射靶功率密度为5~15W/cm2,即得高强度防雾霾纱窗。
实例1
取聚丙烯腈粉末、碳酸钙晶须、N,N-二甲基甲酰胺、稻壳粉,将聚丙烯腈粉末、碳酸钙晶须、N,N-二甲基甲酰胺和稻壳粉混合,进行水浴搅拌处理,即得混合液,过滤即得前驱体溶液;将前驱体溶液进行纺丝处理,即得坯体,将坯体置于温度为40℃的烘箱中真空干燥3h,冷却至室温,即得半成品;将半成品置于马弗炉中,进行预氧化处理,即得预氧化半成品,在氮气气氛下,将预氧化半成品进行碳化处理,随炉温冷却,即得半成品;将半成品进行粗化处理,即得粗化成品,将粗化成品进行敏化处理,取出,即得敏化成品,将敏化成品进行活化处理,取出,即得活化成品;对活化成品进行磁控溅射镀膜处理,即得高强度防雾霾纱窗。聚丙烯腈粉末、碳酸钙晶须、N,N-二甲基甲酰胺、稻壳粉之间的比例分别为:按重量份数计,分别称取20份聚丙烯腈粉末、1份碳酸钙晶须、40份N,N-二甲基甲酰胺、1份稻壳粉。水浴搅拌处理步骤为:将聚丙烯腈粉末、碳酸钙晶须、N,N-二甲基甲酰胺和稻壳粉混合,在温度为80℃,搅拌速度为300r/min下水浴搅拌12h。将前驱体溶液进行纺丝处理步骤为:电压为50kV,接收距离为10cm,纺丝时间为20min,温度为20℃,湿度为40%。将半成品置于马弗炉中,进行预氧化处理步骤为:将半成品置于马弗炉中,在温度为270℃下预氧化20min。将预氧化半成品进行碳化处理步骤为:将预氧化半成品在温度为1200℃下碳化1h。将半成品进行粗化处理步骤为:将半成品置于质量分数为50%硝酸中浸泡40min,取出,用去离子水冲洗2次。将粗化成品进行敏化处理步骤为:将粗化成品浸泡在质量分数为5%氯化亚锡溶液中超声10min。将敏化成品进行活化处理步骤为:将敏化成品浸泡在质量分数为5%氯化铅溶液中超声10min。对活化成品进行磁控溅射镀膜处理步骤为:对活化成品进行磁控溅射镀膜处理,溅射靶材为Φ60mm×3mm的高纯Al靶,纯度为99.999%,溅射气体为99.99%的氩气,反应气体为99.99%的氧气,真空室真空度为9.9×10-4Pa,靶基距60mm,溅射靶功率密度为5W/cm2。
实例2
取聚丙烯腈粉末、碳酸钙晶须、N,N-二甲基甲酰胺、稻壳粉,将聚丙烯腈粉末、碳酸钙晶须、N,N-二甲基甲酰胺和稻壳粉混合,进行水浴搅拌处理,即得混合液,过滤即得前驱体溶液;将前驱体溶液进行纺丝处理,即得坯体,将坯体置于温度为43℃的烘箱中真空干燥4h,冷却至室温,即得半成品;将半成品置于马弗炉中,进行预氧化处理,即得预氧化半成品,在氮气气氛下,将预氧化半成品进行碳化处理,随炉温冷却,即得半成品;将半成品进行粗化处理,即得粗化成品,将粗化成品进行敏化处理,取出,即得敏化成品,将敏化成品进行活化处理,取出,即得活化成品;对活化成品进行磁控溅射镀膜处理,即得高强度防雾霾纱窗。聚丙烯腈粉末、碳酸钙晶须、N,N-二甲基甲酰胺、稻壳粉之间的比例分别为:按重量份数计,分别称取23份聚丙烯腈粉末、2份碳酸钙晶须、45份N,N-二甲基甲酰胺、2份稻壳粉。水浴搅拌处理步骤为:将聚丙烯腈粉末、碳酸钙晶须、N,N-二甲基甲酰胺和稻壳粉混合,在温度为83℃,搅拌速度为330r/min下水浴搅拌15h。将前驱体溶液进行纺丝处理步骤为:电压为53kV,接收距离为12cm,纺丝时间为23min,温度为23℃,湿度为42%。将半成品置于马弗炉中,进行预氧化处理步骤为:将半成品置于马弗炉中,在温度为280℃下预氧化23min。将预氧化半成品进行碳化处理步骤为:将预氧化半成品在温度为1250℃下碳化1h。将半成品进行粗化处理步骤为:将半成品置于质量分数为50%硝酸中浸泡45min,取出,用去离子水冲洗次。将粗化成品进行敏化处理步骤为:将粗化成品浸泡在质量分数为5%氯化亚锡溶液中超声12min。将敏化成品进行活化处理步骤为:将敏化成品浸泡在质量分数为5%氯化铅溶液中超声12min。对活化成品进行磁控溅射镀膜处理步骤为:对活化成品进行磁控溅射镀膜处理,溅射靶材为Φ60mm×3mm的高纯Al靶,纯度为99.999%,溅射气体为99.99%的氩气,反应气体为99.99%的氧气,真空室真空度为9.9×10-4Pa,靶基距60mm,溅射靶功率密度为8W/cm2。
实例3
取聚丙烯腈粉末、碳酸钙晶须、N,N-二甲基甲酰胺、稻壳粉,将聚丙烯腈粉末、碳酸钙晶须、N,N-二甲基甲酰胺和稻壳粉混合,进行水浴搅拌处理,即得混合液,过滤即得前驱体溶液;将前驱体溶液进行纺丝处理,即得坯体,将坯体置于温度为46℃的烘箱中真空干燥5h,冷却至室温,即得半成品;将半成品置于马弗炉中,进行预氧化处理,即得预氧化半成品,在氮气气氛下,将预氧化半成品进行碳化处理,随炉温冷却,即得半成品;将半成品进行粗化处理,即得粗化成品,将粗化成品进行敏化处理,取出,即得敏化成品,将敏化成品进行活化处理,取出,即得活化成品;对活化成品进行磁控溅射镀膜处理,即得高强度防雾霾纱窗。聚丙烯腈粉末、碳酸钙晶须、N,N-二甲基甲酰胺、稻壳粉之间的比例分别为:按重量份数计,分别称取26份聚丙烯腈粉末、3份碳酸钙晶须、50份N,N-二甲基甲酰胺、2份稻壳粉。水浴搅拌处理步骤为:将聚丙烯腈粉末、碳酸钙晶须、N,N-二甲基甲酰胺和稻壳粉混合,在温度为86℃,搅拌速度为360r/min下水浴搅拌20h。将前驱体溶液进行纺丝处理步骤为:电压为56kV,接收距离为14cm,纺丝时间为26min,温度为26℃,湿度为43%。将半成品置于马弗炉中,进行预氧化处理步骤为:将半成品置于马弗炉中,在温度为290℃下预氧化26min。将预氧化半成品进行碳化处理步骤为:将预氧化半成品在温度为1350℃下碳化2h。将半成品进行粗化处理步骤为:将半成品置于质量分数为50%硝酸中浸泡55min,取出,用去离子水冲洗3次。将粗化成品进行敏化处理步骤为:将粗化成品浸泡在质量分数为5%氯化亚锡溶液中超声14min。将敏化成品进行活化处理步骤为:将敏化成品浸泡在质量分数为5%氯化铅溶液中超声14min。对活化成品进行磁控溅射镀膜处理步骤为:对活化成品进行磁控溅射镀膜处理,溅射靶材为Φ60mm×3mm的高纯Al靶,纯度为99.999%,溅射气体为99.99%的氩气,反应气体为99.99%的氧气,真空室真空度为9.9×10-4Pa,靶基距60mm,溅射靶功率密度为11W/cm2。
实例4
取聚丙烯腈粉末、碳酸钙晶须、N,N-二甲基甲酰胺、稻壳粉,将聚丙烯腈粉末、碳酸钙晶须、N,N-二甲基甲酰胺和稻壳粉混合,进行水浴搅拌处理,即得混合液,过滤即得前驱体溶液;将前驱体溶液进行纺丝处理,即得坯体,将坯体置于温度为50℃的烘箱中真空干燥6h,冷却至室温,即得半成品;将半成品置于马弗炉中,进行预氧化处理,即得预氧化半成品,在氮气气氛下,将预氧化半成品进行碳化处理,随炉温冷却,即得半成品;将半成品进行粗化处理,即得粗化成品,将粗化成品进行敏化处理,取出,即得敏化成品,将敏化成品进行活化处理,取出,即得活化成品;对活化成品进行磁控溅射镀膜处理,即得高强度防雾霾纱窗。聚丙烯腈粉末、碳酸钙晶须、N,N-二甲基甲酰胺、稻壳粉之间的比例分别为:按重量份数计,分别称取30份聚丙烯腈粉末、5份碳酸钙晶须、60份N,N-二甲基甲酰胺、3份稻壳粉。水浴搅拌处理步骤为:将聚丙烯腈粉末、碳酸钙晶须、N,N-二甲基甲酰胺和稻壳粉混合,在温度为90℃,搅拌速度为400r/min下水浴搅拌24h。将前驱体溶液进行纺丝处理步骤为:电压为60kV,接收距离为15cm,纺丝时间为30min,温度为30℃,湿度为45%。将半成品置于马弗炉中,进行预氧化处理步骤为:将半成品置于马弗炉中,在温度为300℃下预氧化30min。将预氧化半成品进行碳化处理步骤为:将预氧化半成品在温度为1400℃下碳化2h。将半成品进行粗化处理步骤为:将半成品置于质量分数为50%硝酸中浸泡60min,取出,用去离子水冲洗3次。将粗化成品进行敏化处理步骤为:将粗化成品浸泡在质量分数为5%氯化亚锡溶液中超声15min。将敏化成品进行活化处理步骤为:将敏化成品浸泡在质量分数为5%氯化铅溶液中超声15min。对活化成品进行磁控溅射镀膜处理步骤为:对活化成品进行磁控溅射镀膜处理,溅射靶材为Φ60mm×3mm的高纯Al靶,纯度为99.999%,溅射气体为99.99%的氩气,反应气体为99.99%的氧气,真空室真空度为9.9×10-4Pa,靶基距60mm,溅射靶功率密度为15W/cm2。
对照例:东莞某公司生产的高强度防雾霾纱窗。
将实例及对照例制备得到的高强度防雾霾纱窗进行检测,具体检测如下:
力学性能:采用XQ-2型纤维强伸度仪测试纱窗的力学性能。取30mm×3mm纱窗样品,设置试样夹持长度为10mm,拉伸速度为10mm/min,预加张力为0.1cN,测试5次取平均值。
过滤性能:通过TSI8130型自动测试仪来测试亚微米纤维纱窗样品滤效与阻力,气体流速设置32L/min。样品取直径为15cm的圆形,测试5次取平均值。
具体测试结果如表1。
表1性能表征对比表
检测项目 | 实例1 | 实例2 | 实例3 | 实例4 | 对照例 |
断裂强度/MPa | 1.10 | 1.05 | 1.10 | 1.08 | 0.50 |
断裂伸长率/% | 40.00 | 39.60 | 40.00 | 40.30 | 11.00 |
过滤效率/% | 98.11 | 97.75 | 97.63 | 98.12 | 75.00 |
过滤阻力/Pa | 69.40 | 65.30 | 66.50 | 68.20 | 84.10 |
由表1可知,本发明制备的高强度防雾霾纱窗具有良好的过滤性能和力学性能。
Claims (10)
1.一种高强度防雾霾纱窗的制备方法,其特征在于具体制备步骤为:
(1)取聚丙烯腈粉末、碳酸钙晶须、N,N-二甲基甲酰胺、稻壳粉,将聚丙烯腈粉末、碳酸钙晶须、N,N-二甲基甲酰胺和稻壳粉混合,进行水浴搅拌处理,即得混合液,过滤即得前驱体溶液;
(2)将前驱体溶液进行纺丝处理,即得坯体,将坯体置于温度为40~50℃的烘箱中真空干燥3~6h,冷却至室温,即得半成品;将半成品置于马弗炉中,进行预氧化处理,即得预氧化半成品,在氮气气氛下,将预氧化半成品进行碳化处理,随炉温冷却,即得半成品;
(3)将半成品进行粗化处理,即得粗化成品,将粗化成品进行敏化处理,取出,即得敏化成品,将敏化成品进行活化处理,取出,即得活化成品;
(4)对活化成品进行磁控溅射镀膜处理,即得高强度防雾霾纱窗。
2.根据权利要求1所述的一种高强度防雾霾纱窗的制备方法,其特征在于:步骤(1)所述的聚丙烯腈粉末、碳酸钙晶须、N,N-二甲基甲酰胺、稻壳粉之间的比例分别为:按重量份数计,分别称取20~30份聚丙烯腈粉末、1~5份碳酸钙晶须、40~60份N,N-二甲基甲酰胺、1~3份稻壳粉。
3.根据权利要求1所述的一种高强度防雾霾纱窗的制备方法,其特征在于:步骤(1)所述的水浴搅拌处理步骤为:将聚丙烯腈粉末、碳酸钙晶须、N,N-二甲基甲酰胺和稻壳粉混合,在温度为80~90℃,搅拌速度为300~400r/min下水浴搅拌12~24h。
4.根据权利要求1所述的一种高强度防雾霾纱窗的制备方法,其特征在于:步骤(2)所述的将前驱体溶液进行纺丝处理步骤为:电压为50~60kV,接收距离为10~15cm,纺丝时间为20~30min,温度为20~30℃,湿度为40~45%。
5.根据权利要求1所述的一种高强度防雾霾纱窗的制备方法,其特征在于:步骤(2)所述的将半成品置于马弗炉中,进行预氧化处理步骤为:将半成品置于马弗炉中,在温度为270~300℃下预氧化20~30min。
6.根据权利要求1所述的一种高强度防雾霾纱窗的制备方法,其特征在于:步骤(2)所述的将预氧化半成品进行碳化处理步骤为:将预氧化半成品在温度为1200~1400℃下碳化1~2h。
7.根据权利要求1所述的一种高强度防雾霾纱窗的制备方法,其特征在于:步骤(3)所述的将半成品进行粗化处理步骤为:将半成品置于质量分数为50%硝酸中浸泡40~60min,取出,用去离子水冲洗2~3次。
8.根据权利要求1所述的一种高强度防雾霾纱窗的制备方法,其特征在于:步骤(3)所述的将粗化成品进行敏化处理步骤为:将粗化成品浸泡在质量分数为5%氯化亚锡溶液中超声10~15min。
9.根据权利要求1所述的一种高强度防雾霾纱窗的制备方法,其特征在于:步骤(3)所述的将敏化成品进行活化处理步骤为:将敏化成品浸泡在质量分数为5%氯化铅溶液中超声10~15min。
10.根据权利要求1所述的一种高强度防雾霾纱窗的制备方法,其特征在于:步骤(4)所述的对活化成品进行磁控溅射镀膜处理步骤为:对活化成品进行磁控溅射镀膜处理,溅射靶材为Φ60mm×3mm的高纯Al靶,纯度为99.999%,溅射气体为99.99%的氩气,反应气体为99.99%的氧气,真空室真空度为9.9×10-4Pa,靶基距60mm,溅射靶功率密度为5~15W/cm2。
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