CN107362781A - 一种用于空气净化的TiO2复合纤维 - Google Patents
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Abstract
本申请涉及一种用于空气净化的TiO2复合纤维,该TiO2复合纤维以聚酯为基底,添加的填料包括TiO2、WO3、Ag、Fe,该TiO2复合纤维具有介孔结构。
Description
技术领域
本申请涉及复合纤维技术领域,尤其涉及一种用于空气净化的TiO2复合纤 维。
背景技术
近年,空气污染问题越来越受到人们的重视。室内污染由于对人体伤害较 大更是引起了广泛的关注,室内污染物根据性质分类,主要包括气态污染物和 可吸入颗粒污染物,气体污染物包括一些常见气体,如二氧化碳、二氧化硫、 氨气,还包括挥发性的有机气体和放射性气体,其中,挥发性有机气体(VOC) 有很多种类,大多数含量较低,甲醛是目前含量最高也是最常见的挥发性有机 气体。甲醛是一种无色有刺激性气味的气体,在建筑材料中通常含有甲醛,甲 醛会引起人体呕吐、咳嗽等症状,含量较高时还会引起癌症、呼吸道疾病等, 是人体健康的一大威胁。
发明内容
本发明旨在提供一种能够有效降解甲醛、用于空气净化的TiO2复合纤维, 以解决上述提出问题。
本发明的实施例中提供了一种用于空气净化的TiO2复合纤维,该TiO2复合 纤维以聚酯为基底,添加的填料包括TiO2、WO3、Ag、Fe,该TiO2复合纤维具 有介孔结构。
优选地,该TiO2复合纤维中,以WCl6为W源,形成该TiO2复合纤维中的 WO3;以AgNO3为Ag源,形成该TiO2复合纤维中的Ag;以氯化铁为Fe源, 形成该TiO2复合纤维中的Fe。
优选地,所述TiO2复合纤维的比表面积为45.2m2/g,介孔孔径为25nm。
优选地,该TiO2复合纤维中TiO2质量占比为10~20%,该TiO2复合纤维中 WO3质量占比为3~5%,该TiO2复合纤维中Ag质量占比为2~5%,该TiO2复 合纤维中Fe质量占比为1~4%。
优选地,该TiO2复合纤维的制备步骤如下:
1)配置前驱体:称取7ml无水乙醇和3ml的冰醋酸于锥形瓶中作为溶剂, 然后称取聚乙烯屁咯烷酮0.6g加入到上述混合溶液中,室温下搅拌均匀,再缓 慢加入3.0g钛酸丁酯,继续搅拌,随后再称取1.2g的偶氮二甲酸二异丙酯作 为发泡剂,继续搅拌,随后,再分别加入适量的WCl6、AgNO3、氯化铁,继续 搅拌2h,得到前驱体;
2)制备TiO2复合纤维
将上述得到的前驱体和乙二醇混合,搅拌后在室温下超声10h,得到混合 液,然后在酯化反应釜中加入PTA、混合液、催化助剂,搅拌均匀后进行酯化, 聚合,得到聚酯母粒,其中,酯化温度为250℃,压力400KPa,酯化率达到 大于92.5%时进行缩聚反应,缩聚温度为300℃,抽真空至50Mpa,缩聚至特 性粘度为0.78时,出料,切料,得到聚酯母粒;聚酯母粒再经纺丝得本发明所 述的TiO2复合纤维。
本申请的技术方案可以包括以下有益效果:
本申请中的TiO2复合纤维具有介孔结构,添加填料包括TiO2、WO3、Ag、 Fe,上述的TiO2、WO3、Ag、Fe配合作用,使得该TiO2复合纤维光催化活性大 大增强,其对甲醛的光催化降解能力增强,同时由于介孔结构的存在,使得该 TiO2复合纤维对空气中甲醛等有机物、小颗粒的吸附能力增强,大大增强了空 气的净化能力。
本申请附加的方面和优点将在下面的描述中部分给出,部分将从下面的描 述中变得明显,或通过本申请的实践了解到。应当理解的是,以上的一般描述 和后文的细节描述仅是示例性和解释性的,并不能限制本申请。
具体实施方式
这里将详细地对示例性实施例进行说明,以下示例性实施例中所描述的实 施方式并不代表与本发明相一致的所有实施方式。相反,它们仅是与如所附权 利要求书中所详述的、本发明的一些方面相一致的装置和方法的例子。
本申请的技术方案涉及一种用于空气净化的TiO2复合纤维,该TiO2复合纤 维具有介孔结构,其以聚酯为基底,添加的填料包括TiO2、WO3、Ag、Fe,
优选地,所述TiO2复合纤维的比表面积为45.2m2/g,介孔孔径为25nm。
目前,对于空气的净化,纤维过滤材料在空气过滤材料中所占比例逐渐增 加,而纳米级纤维由于其比表面积大、过滤吸附效率好而引起了人们的广泛关 注。
本申请的技术方案中,该TiO2复合纤维中包含TiO2,该TiO2复合纤维中 TiO2质量占比为10~20%。
TiO2俗称钛白粉,是一种非常重要的工业原料,纳米TiO2具有许多独特的 性质,通常用于抗腐蚀材料、光催化材料等。作为光催化剂材料,TiO2具有光 降解有机物、催化杀菌等作用,纳米TiO2在一定波长的光照下能使3000多种有 机物发生降解,在空气净化领域,其通常也被用来净化甲醛;然而,在现有技 术中,TiO2的比表面积偏低,在液相体系中容易发生团聚,难以保持高效的光 催化、催化杀菌活性;本申请的技术方案中,该TiO2复合纤维表现为介孔结构, 其具有大的比表面积,其活性及吸附容量也大大增加,使得该TiO2复合纤维的 光催化活性增强。
本申请的技术方案中,该TiO2复合纤维中还包含WO3,该TiO2复合纤维中 WO3质量占比为3~5%。
本申请中采用WCl6为W源,形成了该TiO2复合纤维中的WO3。WO3是一 种过渡金属氧化物,其在电致变色、光致发光、气敏、染料敏化太阳能电池等 领域应用广泛,是一种广泛应用的功能材料;其禁带宽度约2.4~2.8eV,禁带宽 度较窄,本申请中,同时由于TiO2是一种宽禁带半导体,其禁带宽度为3.2eV, 致使其只有在波长小于387nm的紫外光下才具有光激发活性,因此,本申请技 术方案中,将WO3与TiO2结合,形成异质的TiO2/WO3结构,能够拓宽复合纤 维中TiO2的光吸收范围,从而使得其光催化效率大幅提高,对空气净化产生积极影响。
本申请的技术方案中,该TiO2复合纤维中还包含Ag元素,该TiO2复合纤 维中Ag质量占比为2~5%。
本申请中采用AgNO3为Ag源,形成了该TiO2复合纤维中的Ag。Ag是一 种贵金属材料,通常单独作为抗菌剂使用,本申请技术方案中,将其与TiO2复 合,由于贵金属Ag的存在,在复合纤维中可以提供更多的化学反应点,使得 TiO2光催化反应能在较低的化学势垒下发生,同时其能够抑制复合纤维中半导 体光生电子对的再复合,增强光催化反应,对空气净化产生积极影响。
本申请的技术方案中,该TiO2复合纤维中还包含Fe元素,该TiO2复合纤 维中Fe质量占比为1~4%。
本申请中采用氯化铁为Fe源,形成了该TiO2复合纤维中的Fe。
本申请的TiO2复合纤维中,上述的WO3、Ag、Fe配合作用,使得该TiO2复合纤维光催化活性大大增强,其对甲醛的光催化降解能力增强,同时由于介 孔结构的存在,使得该TiO2复合纤维对空气中甲醛等有机物、小颗粒的吸附能 力增强,大大增强了空气的净化能力。
本申请的技术方案还涉及上述TiO2复合纤维的制备步骤:
1)配置前驱体:称取7ml无水乙醇和3ml的冰醋酸于锥形瓶中作为溶剂, 然后称取聚乙烯屁咯烷酮0.6g加入到上述混合溶液中,室温下搅拌均匀,再缓 慢加入3.0g钛酸丁酯,继续搅拌,随后再称取1.2g的偶氮二甲酸二异丙酯作 为发泡剂,继续搅拌,随后,再分别加入适量的WCl6、AgNO3、氯化铁,继续 搅拌2h,得到前驱体;
2)制备TiO2复合纤维
将上述得到的前驱体和乙二醇混合,搅拌后在室温下超声10h,得到混合 液,然后在酯化反应釜中加入PTA、混合液、催化助剂,搅拌均匀后进行酯化, 聚合,得到聚酯母粒,其中,酯化温度为250℃,压力400KPa,酯化率达到 大于92.5%时进行缩聚反应,缩聚温度为300℃,抽真空至50Mpa,缩聚至特 性粘度为0.78时,出料,切料,得到聚酯母粒;聚酯母粒再经纺丝得本发明所 述的TiO2复合纤维。
实施例1
TiO2复合纤维的制备步骤:
1)配置前驱体:称取7ml无水乙醇和3ml的冰醋酸于锥形瓶中作为溶剂, 然后称取聚乙烯屁咯烷酮0.6g加入到上述混合溶液中,室温下搅拌均匀,再缓 慢加入3.0g钛酸丁酯,继续搅拌,随后再称取1.2g的偶氮二甲酸二异丙酯作 为发泡剂,继续搅拌,随后,再分别加入适量的WCl6、AgNO3、氯化铁,继续 搅拌2h,得到前驱体;
2)制备TiO2复合纤维
将上述得到的前驱体和乙二醇混合,搅拌后在室温下超声10h,得到混合 液,然后在酯化反应釜中加入PTA、混合液、催化助剂,搅拌均匀后进行酯化, 聚合,得到聚酯母粒,其中,酯化温度为250℃,压力400KPa,酯化率达到 大于92.5%时进行缩聚反应,缩聚温度为300℃,抽真空至50Mpa,缩聚至特 性粘度为0.78时,出料,切料,得到聚酯母粒;聚酯母粒再经纺丝得本发明所 述的TiO2复合纤维。
本实施例,该TiO2复合纤维中,该TiO2质量占比为10%,WO3质量占比 为3%,Ag质量占比为2%,Fe质量占比为1%。
实施例2
TiO2复合纤维的制备步骤:
1)配置前驱体:称取7ml无水乙醇和3ml的冰醋酸于锥形瓶中作为溶剂, 然后称取聚乙烯屁咯烷酮0.6g加入到上述混合溶液中,室温下搅拌均匀,再缓 慢加入3.0g钛酸丁酯,继续搅拌,随后再称取1.2g的偶氮二甲酸二异丙酯作 为发泡剂,继续搅拌,随后,再分别加入适量的WCl6、AgNO3、氯化铁,继续 搅拌2h,得到前驱体;
2)制备TiO2复合纤维
将上述得到的前驱体和乙二醇混合,搅拌后在室温下超声10h,得到混合 液,然后在酯化反应釜中加入PTA、混合液、催化助剂,搅拌均匀后进行酯化, 聚合,得到聚酯母粒,其中,酯化温度为250℃,压力400KPa,酯化率达到 大于92.5%时进行缩聚反应,缩聚温度为300℃,抽真空至50Mpa,缩聚至特 性粘度为0.78时,出料,切料,得到聚酯母粒;聚酯母粒再经纺丝得本发明所 述的TiO2复合纤维。
本实施例,该TiO2复合纤维中,该TiO2质量占比为16%,WO3质量占比 为4%,Ag质量占比为3%,Fe质量占比为3%。
实施例3
TiO2复合纤维的制备步骤:
1)配置前驱体:称取7ml无水乙醇和3ml的冰醋酸于锥形瓶中作为溶剂, 然后称取聚乙烯屁咯烷酮0.6g加入到上述混合溶液中,室温下搅拌均匀,再缓 慢加入3.0g钛酸丁酯,继续搅拌,随后再称取1.2g的偶氮二甲酸二异丙酯作 为发泡剂,继续搅拌,随后,再分别加入适量的WCl6、AgNO3、氯化铁,继续 搅拌2h,得到前驱体;
2)制备TiO2复合纤维
将上述得到的前驱体和乙二醇混合,搅拌后在室温下超声10h,得到混合 液,然后在酯化反应釜中加入PTA、混合液、催化助剂,搅拌均匀后进行酯化, 聚合,得到聚酯母粒,其中,酯化温度为250℃,压力400KPa,酯化率达到 大于92.5%时进行缩聚反应,缩聚温度为300℃,抽真空至50Mpa,缩聚至特 性粘度为0.78时,出料,切料,得到聚酯母粒;聚酯母粒再经纺丝得本发明所 述的TiO2复合纤维。
本实施例,该TiO2复合纤维中,该TiO2质量占比为20%,WO3质量占比 为5%,Ag质量占比为5%,Fe质量占比为4%。
以上所述仅为本发明的较佳方式,并不用以限制本发明,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 (8)
1.一种用于空气净化的TiO2复合纤维,其特征在于,该TiO2复合纤维以聚酯为基底,添加的填料包括TiO2、WO3、Ag、Fe,该TiO2复合纤维具有介孔结构。
2.根据权利要求1所述的TiO2复合纤维,其特征在于,该TiO2复合纤维中,以WCl6为W源,形成该TiO2复合纤维中的WO3;以AgNO3为Ag源,形成该TiO2复合纤维中的Ag;以氯化铁为Fe源,形成该TiO2复合纤维中的Fe。
3.根据权利要求2所述的TiO2复合纤维,其特征在于,所述TiO2复合纤维的比表面积为45.2m2/g,介孔孔径为25nm。
4.根据权利要求3所述的TiO2复合纤维,其特征在于,该TiO2复合纤维中TiO2质量占比为10~20%。
5.根据权利要求3述的TiO2复合纤维,其特征在于,该TiO2复合纤维中WO3质量占比为3~5%。
6.根据权利要求3所述的TiO2复合纤维,其特征在于,该TiO2复合纤维中Ag质量占比为2~5%。
7.根据权利要求3所述的TiO2复合纤维,其特征在于,该TiO2复合纤维中Fe质量占比为1~4%。
8.根据权利要求3所述的TiO2复合纤维,其特征在于,该TiO2复合纤维的制备步骤如下:
1)配置前驱体:称取7ml无水乙醇和3ml的冰醋酸于锥形瓶中作为溶剂,然后称取聚乙烯屁咯烷酮0.6g加入到上述混合溶液中,室温下搅拌均匀,再缓慢加入3.0g钛酸丁酯,继续搅拌,随后再称取1.2g的偶氮二甲酸二异丙酯作为发泡剂,继续搅拌,随后,再分别加入适量的WCl6、AgNO3、氯化铁,继续搅拌2h,得到前驱体;
2)制备TiO2复合纤维
将上述得到的前驱体和乙二醇混合,搅拌后在室温下超声10h,得到混合液,然后在酯化反应釜中加入PTA、混合液、催化助剂,搅拌均匀后进行酯化,聚合,得到聚酯母粒,其中,酯化温度为250℃,压力400KPa,酯化率达到大于92.5%时进行缩聚反应,缩聚温度为300℃,抽真空至50Mpa,缩聚至特性粘度为0.78时,出料,切料,得到聚酯母粒;聚酯母粒再经纺丝得本发明所述的TiO2复合纤维。
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Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101418151A (zh) * | 2008-12-12 | 2009-04-29 | 南京工业大学 | 具有高效抗菌和空气净化功能的纳米介孔二氧化钛涂料 |
CN102912620A (zh) * | 2012-10-18 | 2013-02-06 | 西安工程大学 | 一种高光催化活性纳米二氧化钛涤纶纤维改性的方法 |
CN103721705A (zh) * | 2014-01-14 | 2014-04-16 | 武汉理工大学 | 一种多孔TiO2纤维负载贵金属甲醛室温氧化催化剂及其制备方法 |
CN104070751A (zh) * | 2014-07-10 | 2014-10-01 | 北京化工大学 | 一种既除雾霾微粒又除甲醛的抗菌复合纤维膜及其制备方法 |
CN106622388A (zh) * | 2016-04-29 | 2017-05-10 | 杭州同净环境科技有限公司 | 一种复合纤维材料及其制备方法和应用 |
-
2017
- 2017-07-28 CN CN201710652822.1A patent/CN107362781B/zh active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101418151A (zh) * | 2008-12-12 | 2009-04-29 | 南京工业大学 | 具有高效抗菌和空气净化功能的纳米介孔二氧化钛涂料 |
CN102912620A (zh) * | 2012-10-18 | 2013-02-06 | 西安工程大学 | 一种高光催化活性纳米二氧化钛涤纶纤维改性的方法 |
CN103721705A (zh) * | 2014-01-14 | 2014-04-16 | 武汉理工大学 | 一种多孔TiO2纤维负载贵金属甲醛室温氧化催化剂及其制备方法 |
CN104070751A (zh) * | 2014-07-10 | 2014-10-01 | 北京化工大学 | 一种既除雾霾微粒又除甲醛的抗菌复合纤维膜及其制备方法 |
CN106622388A (zh) * | 2016-04-29 | 2017-05-10 | 杭州同净环境科技有限公司 | 一种复合纤维材料及其制备方法和应用 |
Non-Patent Citations (2)
Title |
---|
HUI ZHANG ET AL.: "Fabrication of photocatalytic TiO2 nanoparticle film on PET fabric by hydrothermal method", 《TEXTILE RESEARCH JOURNAL》 * |
吕晓凯: "纳米复合纤维的制备和光催化降解及抑菌性能", 《化工新型材料》 * |
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