CN108927014A - 一种口罩中pva复合空气过滤膜的制备方法 - Google Patents
一种口罩中pva复合空气过滤膜的制备方法 Download PDFInfo
- Publication number
- CN108927014A CN108927014A CN201810832035.XA CN201810832035A CN108927014A CN 108927014 A CN108927014 A CN 108927014A CN 201810832035 A CN201810832035 A CN 201810832035A CN 108927014 A CN108927014 A CN 108927014A
- Authority
- CN
- China
- Prior art keywords
- pva
- film
- modified
- spinning
- air filtering
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D71/00—Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
- B01D71/06—Organic material
- B01D71/44—Polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds, not provided for in a single one of groups B01D71/26-B01D71/42
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/54—Particle separators, e.g. dust precipitators, using ultra-fine filter sheets or diaphragms
- B01D46/543—Particle separators, e.g. dust precipitators, using ultra-fine filter sheets or diaphragms using membranes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D67/00—Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
- B01D67/0079—Manufacture of membranes comprising organic and inorganic components
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D69/00—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
- B01D69/12—Composite membranes; Ultra-thin membranes
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F1/00—General methods for the manufacture of artificial filaments or the like
- D01F1/02—Addition of substances to the spinning solution or to the melt
- D01F1/10—Other agents for modifying properties
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F6/00—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
- D01F6/44—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds as major constituent with other polymers or low-molecular-weight compounds
- D01F6/50—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds as major constituent with other polymers or low-molecular-weight compounds of polyalcohols, polyacetals or polyketals
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
- D06M13/10—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing oxygen
- D06M13/184—Carboxylic acids; Anhydrides, halides or salts thereof
- D06M13/207—Substituted carboxylic acids, e.g. by hydroxy or keto groups; Anhydrides, halides or salts thereof
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
- D06M2101/16—Synthetic fibres, other than mineral fibres
- D06M2101/18—Synthetic fibres consisting of macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D06M2101/24—Polymers or copolymers of alkenylalcohols or esters thereof; Polymers or copolymers of alkenylethers, acetals or ketones
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M2200/00—Functionality of the treatment composition and/or properties imparted to the textile material
- D06M2200/10—Repellency against liquids
- D06M2200/12—Hydrophobic properties
Abstract
本发明提供了一种口罩中PVA复合空气过滤膜的制备方法,包括以下步骤:S1.将纳米粉煤灰溶解于盐酸溶液中,采用湿法研磨后,过滤,洗净盐酸,烘干后备用;S2.将纳米高岭土和步骤S1中制备的粉煤灰混合改性,得到改性纳米颗粒;S3.将PVA溶解于去离子水中配置成PVA纺丝液;S4.将改性纳米颗粒加入纺丝液中,得到含有改性纳米颗粒的PVA纺丝液;S5.分别用步骤S3和S4.制备的PVA纺丝液分别进行纺丝,得到纯PVA膜和改性PVA膜;S6.将步骤S5制备的两种PVA膜进行防水整理;S7.然后将改性PVA膜和纯PVA膜复合后,热处理得到复合空气过滤膜。本发明制备的过滤膜的过滤效果非常优异。
Description
技术领域
本发明涉及纺织材料领域,具体涉及一种口罩中PVA复合空气过滤膜的制备方法。
背景技术
市场上的口罩一般分为两大类,一类以活性炭或者棉布为主要材料制造而成,相比其它材料,这两种材料对空气中颗粒物的拦截吸附能力较好。然而,粒径小于纤维孔隙的微粒,如PM2.5,总能穿过过滤层,进入到人体肺部,威胁心肺功能,对健康造成不利影响。另外一类口罩应用高科技材料作为滤芯,虽然能够有效地过滤空气中的PM2.5,但却给人的呼吸过程带来很大阻力,缺乏一定的舒适度。基于此,我们考虑探究一种新型材料作为口罩滤芯。静电纺丝是一种特殊的纤维制造工艺,可以制备出纤维直径在微纳米量级的聚合物细丝。
发明内容
要解决的技术问题:本发明的目的是提供一种PVA复合空气过滤膜,得到的过滤膜具有很强的吸附和拦截能力,为制造新型口罩提供了一个较好的选择。
技术方案:一种口罩中PVA复合空气过滤膜的制备方法,包括以下步骤:
S1. 将纳米粉煤灰按照1:3-6的质量比溶解于浓度为5-15wt%的盐酸溶液中,采用湿法研磨后,过滤,洗净盐酸,烘干后备用;
S2. 将纳米高岭土和步骤S1中制备的粉煤灰按质量比1:0.3-1.5混合均匀,加入水,用模具压成型,干燥后在860-930℃焙烧130-150min,冷却后用研钵研磨后过25000目筛,得到改性纳米颗粒;
S3. 将PVA溶解于去离子水中配置成浓度为10-20wt%的PVA纺丝液;
S4. 将改性纳米颗粒加入纺丝液中,纳米颗粒的浓度为0.5-3.5wt%,在水浴为40-50℃下超声分撒均匀,得到含有改性纳米颗粒的PVA纺丝液;
S5. 分别用步骤S3和S4.制备的PVA纺丝液分别进行纺丝,得到纯PVA膜和改性PVA膜;
S6. 将步骤S5制备的两种PVA膜进行防水整理;
S7. 然后将改性PVA膜和纯PVA膜复合后,热处理得到复合空气过滤膜。
进一步的,所述步骤S3中PVA的平均分子质量为20000-30000 g/mol,水解度88%。
进一步的,所述步骤S5中采用螺旋式纺丝机,纺丝参数设置为纺丝距离为20cm,电压为80kV,纺丝头旋转速率为10rpm。
进一步的,所述步骤S6中防水整理为将PVA膜浸泡于浓度为23.5-28wt%的柠檬酸乙醇溶液中在温度为50-60℃下浸泡30-60min。
进一步的,所述步骤S7中热处理的温度为170-180℃,热处理时间为120-160min
进一步的,所述步骤S7中复合方法为改性PVA膜和纯PVA膜三层复合,中间层为改性PVA膜。
有益效果:本发明的PVA复合空气过滤膜具有以下优点:首先本发明的空气过滤膜具有很强的过滤和吸附作用,其次加入粉煤灰和高岭土,由于粉煤灰和高岭土的多孔结构,对空气中的固体颗粒具有很强的吸附作用,最后通过静电纺丝,得到的薄膜自身带有静电,具有多孔结构,其纤维直径在2至3微米之间,并通过多层复合,使得本发明的过滤的膜的过滤效果更加好。
具体实施方式
实施例1
一种口罩中PVA复合空气过滤膜的制备方法,包括以下步骤:
S1. 将纳米粉煤灰按照1:3的质量比溶解于浓度为15wt%的盐酸溶液中,采用湿法研磨后,过滤,洗净盐酸,烘干后备用;
S2. 将纳米高岭土和步骤S1中制备的粉煤灰按质量比1:0.3混合均匀,加入水,用模具压成型,干燥后在860℃焙烧150min,冷却后用研钵研磨后过25000目筛,得到改性纳米颗粒;
S3. 将分子质量为20000g/mol,水解度88%的PVA溶解于去离子水中配置成浓度为20wt%的PVA纺丝液;
S4. 将改性纳米颗粒加入纺丝液中,纳米颗粒的浓度为0.5wt%,在水浴为50℃下超声分撒均匀,得到含有改性纳米颗粒的PVA纺丝液;
S5. 分别用步骤S3和S4.制备的PVA纺丝液分别进行纺丝,采用螺旋式纺丝机,纺丝参数设置为纺丝距离为20cm,电压为80kV,纺丝头旋转速率为10rpm,得到纯PVA膜和改性PVA膜;
S6. 将步骤S5制备的两种PVA膜分别浸泡于浓度为28wt%的柠檬酸乙醇溶液中在温度为50℃下浸泡60min,进行防水整理;
S7. 然后将改性PVA膜和纯PVA膜复合后,热处理温度为170℃,热处理时间为120min,将改性PVA膜和纯PVA膜三层复合,中间层为改性PVA膜,得到复合空气过滤膜。
实施例2
一种口罩中PVA复合空气过滤膜的制备方法,包括以下步骤:
S1. 将纳米粉煤灰按照1:6的质量比溶解于浓度为5wt%的盐酸溶液中,采用湿法研磨后,过滤,洗净盐酸,烘干后备用;
S2. 将纳米高岭土和步骤S1中制备的粉煤灰按质量比1:1.5混合均匀,加入水,用模具压成型,干燥后在930℃焙烧150min,冷却后用研钵研磨后过25000目筛,得到改性纳米颗粒;
S3. 将分子质量为30000g/mol,水解度88%的PVA溶解于去离子水中配置成浓度为10wt%的PVA纺丝液;
S4. 将改性纳米颗粒加入纺丝液中,纳米颗粒的浓度为3.5wt%,在水浴为50℃下超声分撒均匀,得到含有改性纳米颗粒的PVA纺丝液;
S5. 分别用步骤S3和S4.制备的PVA纺丝液分别进行纺丝,采用螺旋式纺丝机,纺丝参数设置为纺丝距离为20cm,电压为80kV,纺丝头旋转速率为10rpm,得到纯PVA膜和改性PVA膜;
S6. 将步骤S5制备的两种PVA膜分别浸泡于浓度为28wt%的柠檬酸乙醇溶液中在温度为60℃下浸泡30min,进行防水整理;
S7. 然后将改性PVA膜和纯PVA膜复合后,热处理温度为180℃,热处理时间为160min,将改性PVA膜和纯PVA膜三层复合,中间层为改性PVA膜,得到复合空气过滤膜。
实施例3
一种口罩中PVA复合空气过滤膜的制备方法,包括以下步骤:
S1. 将纳米粉煤灰按照1:3的质量比溶解于浓度为12wt%的盐酸溶液中,采用湿法研磨后,过滤,洗净盐酸,烘干后备用;
S2. 将纳米高岭土和步骤S1中制备的粉煤灰按质量比1:0.5混合均匀,加入水,用模具压成型,干燥后在880℃焙烧150min,冷却后用研钵研磨后过25000目筛,得到改性纳米颗粒;
S3. 将分子质量为24000 g/mol,水解度88%的PVA溶解于去离子水中配置成浓度为12wt%的PVA纺丝液;
S4. 将改性纳米颗粒加入纺丝液中,纳米颗粒的浓度为3wt%,在水浴为50℃下超声分撒均匀,得到含有改性纳米颗粒的PVA纺丝液;
S5. 分别用步骤S3和S4.制备的PVA纺丝液分别进行纺丝,采用螺旋式纺丝机,纺丝参数设置为纺丝距离为20cm,电压为80kV,纺丝头旋转速率为10rpm,得到纯PVA膜和改性PVA膜;
S6. 将步骤S5制备的两种PVA膜分别浸泡于浓度为25-27wt%的柠檬酸乙醇溶液中在温度为50℃下浸泡30min,进行防水整理;
S7. 然后将改性PVA膜和纯PVA膜复合后,热处理温度为170℃,热处理时间为150min,将改性PVA膜和纯PVA膜三层复合,中间层为改性PVA膜,得到复合空气过滤膜。
实施例4
一种口罩中PVA复合空气过滤膜的制备方法,包括以下步骤:
S1. 将纳米粉煤灰按照1:6的质量比溶解于浓度为8wt%的盐酸溶液中,采用湿法研磨后,过滤,洗净盐酸,烘干后备用;
S2. 将纳米高岭土和步骤S1中制备的粉煤灰按质量比1:1.2混合均匀,加入水,用模具压成型,干燥后在910℃焙烧130min,冷却后用研钵研磨后过25000目筛,得到改性纳米颗粒;
S3. 将分子质量为28000 g/mol,水解度88%的PVA溶解于去离子水中配置成浓度为18wt%的PVA纺丝液;
S4. 将改性纳米颗粒加入纺丝液中,纳米颗粒的浓度为1.5wt%,在水浴为40℃下超声分撒均匀,得到含有改性纳米颗粒的PVA纺丝液;
S5. 分别用步骤S3和S4.制备的PVA纺丝液分别进行纺丝,采用螺旋式纺丝机,纺丝参数设置为纺丝距离为20cm,电压为80kV,纺丝头旋转速率为10rpm,得到纯PVA膜和改性PVA膜;
S6. 将步骤S5制备的两种PVA膜分别浸泡于浓度为25-27wt%的柠檬酸乙醇溶液中在温度为60℃下浸泡60min,进行防水整理;
S7. 然后将改性PVA膜和纯PVA膜复合后,热处理温度为180℃,热处理时间为130min,将改性PVA膜和纯PVA膜三层复合,中间层为改性PVA膜,得到复合空气过滤膜。
实施例5
一种口罩中PVA复合空气过滤膜的制备方法,包括以下步骤:
S1. 将纳米粉煤灰按照1:3-6的质量比溶解于浓度为19wt%的盐酸溶液中,采用湿法研磨后,过滤,洗净盐酸,烘干后备用;
S2. 将纳米高岭土和步骤S1中制备的粉煤灰按质量比1:1混合均匀,加入水,用模具压成型,干燥后在900℃焙烧150min,冷却后用研钵研磨后过25000目筛,得到改性纳米颗粒;
S3. 将分子质量为26000 g/mol,水解度88%的PVA溶解于去离子水中配置成浓度为15wt%的PVA纺丝液;
S4. 将改性纳米颗粒加入纺丝液中,纳米颗粒的浓度为2wt%,在水浴为45℃下超声分撒均匀,得到含有改性纳米颗粒的PVA纺丝液;
S5. 分别用步骤S3和S4.制备的PVA纺丝液分别进行纺丝,采用螺旋式纺丝机,纺丝参数设置为纺丝距离为20cm,电压为80kV,纺丝头旋转速率为10rpm,得到纯PVA膜和改性PVA膜;
S6. 将步骤S5制备的两种PVA膜分别浸泡于浓度为27wt%的柠檬酸乙醇溶液中在温度为55℃下浸泡40min,进行防水整理;
S7. 然后将改性PVA膜和纯PVA膜复合后,热处理温度为175℃,热处理时间为140min,将改性PVA膜和纯PVA膜三层复合,中间层为改性PVA膜,得到复合空气过滤膜。
对比例1
对比例1中纳米粉煤灰和高岭土未处理,直接添加到PVA纺丝液中。
对比例2
对比例2中直接制备改性PVA膜,不复合直接过滤。
采用Certi Test 8130型全自动过滤测试仪,在室温条件下,测量气体过滤效率和过滤阻力(毫米水柱高度压力的压降)。采用氯化钠(NaCl)气溶胶作为过滤介质,用BS224S型Sartorius电子天平称取20 g NaCl固体,加入到1000 mL去离子水中,在室温条件下,用玻璃棒搅拌至固体完全溶解,得到均匀的浓度为5wt%的测试用NaCl溶液,通过测试仪器转化为NaCl气溶胶。气溶胶颗粒质量中值直径为260 nm,数量中值直径为75 nm。将PVA纳米纤维膜连同基布一起进行测试,有效面积100 cm2,根据GB 19083-2010 《医用防护口罩技术要求》,气溶胶流量85 ± 0.2 L/min,每种试样测3次,取平均值。
。
Claims (6)
1.一种口罩中PVA复合空气过滤膜的制备方法,其特征在于,包括以下步骤:
S1. 将纳米粉煤灰按照1:3-6的质量比溶解于浓度为5-15wt%的盐酸溶液中,采用湿法研磨后,过滤,洗净盐酸,烘干后备用;
S2. 将纳米高岭土和步骤S1中制备的粉煤灰按质量比1:0.3-1.5混合均匀,加入水,用模具压成型,干燥后在860-930℃焙烧130-150min,冷却后用研钵研磨后过25000目筛,得到改性纳米颗粒;
S3. 将PVA溶解于去离子水中配置成浓度为10-20wt%的PVA纺丝液;
S4. 将改性纳米颗粒加入纺丝液中,纳米颗粒的浓度为0.5-3.5wt%,在水浴为40-50℃下超声分撒均匀,得到含有改性纳米颗粒的PVA纺丝液;
S5. 分别用步骤S3和S4.制备的PVA纺丝液分别进行纺丝,得到纯PVA膜和改性PVA膜;
S6. 将步骤S5制备的两种PVA膜进行防水整理;
S7. 然后将改性PVA膜和纯PVA膜复合后,热处理得到复合空气过滤膜。
2.根据权利要求1所述的口罩中PVA复合空气过滤膜的制备方法,其特征在于:所述步骤S3中PVA的平均分子质量为20000-30000 g/mol,水解度88%。
3.根据权利要求1所述的口罩中PVA复合空气过滤膜的制备方法,其特征在于:所述步骤S5中采用螺旋式纺丝机,纺丝参数设置为纺丝距离为20cm,电压为80kV,纺丝头旋转速率为10rpm。
4.根据权利要求1所述的口罩中PVA复合空气过滤膜的制备方法,其特征在于:所述步骤S6中防水整理为将PVA膜浸泡于浓度为23.5-28wt%的柠檬酸乙醇溶液中在温度为50-60℃下浸泡30-60min。
5.根据权利要求1所述的口罩中PVA复合空气过滤膜的制备方法,其特征在于:所述步骤S7中热处理的温度为170-180℃,热处理时间为120-160min。
6.根据权利要求1所述的口罩中PVA复合空气过滤膜的制备方法,其特征在于:所述步骤S7中复合方法为改性PVA膜和纯PVA膜三层复合,中间层为改性PVA膜。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201810832035.XA CN108927014A (zh) | 2018-07-26 | 2018-07-26 | 一种口罩中pva复合空气过滤膜的制备方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201810832035.XA CN108927014A (zh) | 2018-07-26 | 2018-07-26 | 一种口罩中pva复合空气过滤膜的制备方法 |
Publications (1)
Publication Number | Publication Date |
---|---|
CN108927014A true CN108927014A (zh) | 2018-12-04 |
Family
ID=64444460
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201810832035.XA Withdrawn CN108927014A (zh) | 2018-07-26 | 2018-07-26 | 一种口罩中pva复合空气过滤膜的制备方法 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN108927014A (zh) |
Citations (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1295540A (zh) * | 1998-03-03 | 2001-05-16 | Ppg工业俄亥俄公司 | 无机颗粒涂覆的玻璃纤维束以及包括它的产品 |
US20100272668A1 (en) * | 2008-02-20 | 2010-10-28 | Daiwabo Holdings Co., Ltd. | Antiviral substance, antiviral fiber, and antiviral fiber structure |
CN101960070A (zh) * | 2007-06-11 | 2011-01-26 | 纳诺柏立有限公司 | 一种具有抗菌和抗真菌功能的湿巾的制造方法 |
US20110151738A1 (en) * | 2009-12-17 | 2011-06-23 | 3M Innovative Properties Company | Dimensionally stable nonwoven fibrous webs, melt blown fine fibers, and methods of making and using the same |
CN102383214A (zh) * | 2011-11-10 | 2012-03-21 | 中国科学院宁波材料技术与工程研究所 | 一种聚丙烯粗纤维及其制备方法 |
CN102912683A (zh) * | 2012-09-20 | 2013-02-06 | 蚌埠凤凰滤清器有限责任公司 | 一种耐高温燃油滤纸及其制备方法 |
CN103600552A (zh) * | 2013-11-19 | 2014-02-26 | 常熟市一心无纺制品有限公司 | 柔软无纺布 |
CN104072034A (zh) * | 2014-05-27 | 2014-10-01 | 池州版筑科技有限公司 | 一种利用废弃物粉煤灰生产的环保轻质隔墙板及其制作方法 |
CN104727016A (zh) * | 2014-04-01 | 2015-06-24 | 浙江伟星实业发展股份有限公司 | 一种纳米纤维复合膜及其制备方法 |
KR20150097257A (ko) * | 2014-02-18 | 2015-08-26 | 전북대학교산학협력단 | 수처리용 나노복합재 분리막 및 그 제조 방법 |
CN104909706A (zh) * | 2015-05-21 | 2015-09-16 | 安徽鑫润新型材料有限公司 | 一种内含eva乳液等改性剂的抗折玻镁板及其制备方法 |
CN204767826U (zh) * | 2015-03-02 | 2015-11-18 | 粘誉熏 | 滤层体及具有该滤层体的口罩 |
CN105688349A (zh) * | 2016-04-18 | 2016-06-22 | 广州拜费尔空气净化材料有限公司 | 防病毒口罩 |
CN107321052A (zh) * | 2017-07-05 | 2017-11-07 | 肇庆高新区飞越信息科技有限公司 | 一种汽车空调抗菌滤芯材质及制备方法 |
CN107441848A (zh) * | 2017-08-08 | 2017-12-08 | 华东理工大学 | 一种表面具有微纳米结构的丝素蛋白纳米过滤膜、制备方法及其应用 |
-
2018
- 2018-07-26 CN CN201810832035.XA patent/CN108927014A/zh not_active Withdrawn
Patent Citations (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1295540A (zh) * | 1998-03-03 | 2001-05-16 | Ppg工业俄亥俄公司 | 无机颗粒涂覆的玻璃纤维束以及包括它的产品 |
CN101960070A (zh) * | 2007-06-11 | 2011-01-26 | 纳诺柏立有限公司 | 一种具有抗菌和抗真菌功能的湿巾的制造方法 |
US20100272668A1 (en) * | 2008-02-20 | 2010-10-28 | Daiwabo Holdings Co., Ltd. | Antiviral substance, antiviral fiber, and antiviral fiber structure |
US20110151738A1 (en) * | 2009-12-17 | 2011-06-23 | 3M Innovative Properties Company | Dimensionally stable nonwoven fibrous webs, melt blown fine fibers, and methods of making and using the same |
CN102383214A (zh) * | 2011-11-10 | 2012-03-21 | 中国科学院宁波材料技术与工程研究所 | 一种聚丙烯粗纤维及其制备方法 |
CN102912683A (zh) * | 2012-09-20 | 2013-02-06 | 蚌埠凤凰滤清器有限责任公司 | 一种耐高温燃油滤纸及其制备方法 |
CN103600552A (zh) * | 2013-11-19 | 2014-02-26 | 常熟市一心无纺制品有限公司 | 柔软无纺布 |
KR20150097257A (ko) * | 2014-02-18 | 2015-08-26 | 전북대학교산학협력단 | 수처리용 나노복합재 분리막 및 그 제조 방법 |
CN104727016A (zh) * | 2014-04-01 | 2015-06-24 | 浙江伟星实业发展股份有限公司 | 一种纳米纤维复合膜及其制备方法 |
CN104072034A (zh) * | 2014-05-27 | 2014-10-01 | 池州版筑科技有限公司 | 一种利用废弃物粉煤灰生产的环保轻质隔墙板及其制作方法 |
CN204767826U (zh) * | 2015-03-02 | 2015-11-18 | 粘誉熏 | 滤层体及具有该滤层体的口罩 |
CN104909706A (zh) * | 2015-05-21 | 2015-09-16 | 安徽鑫润新型材料有限公司 | 一种内含eva乳液等改性剂的抗折玻镁板及其制备方法 |
CN105688349A (zh) * | 2016-04-18 | 2016-06-22 | 广州拜费尔空气净化材料有限公司 | 防病毒口罩 |
CN107321052A (zh) * | 2017-07-05 | 2017-11-07 | 肇庆高新区飞越信息科技有限公司 | 一种汽车空调抗菌滤芯材质及制备方法 |
CN107441848A (zh) * | 2017-08-08 | 2017-12-08 | 华东理工大学 | 一种表面具有微纳米结构的丝素蛋白纳米过滤膜、制备方法及其应用 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
Yang et al. | Multifunctional composite membrane based on BaTiO3@ PU/PSA nanofibers for high-efficiency PM2. 5 removal | |
CN103520999B (zh) | 一种抗菌的复合纳米纤维高效空气过滤材料及其制备方法 | |
CN105239184B (zh) | 一种细菌纤维素/石墨烯/四氧化三铁复合膜及其制备方法 | |
Dai et al. | Electrospinning polyacrylonitrile/graphene oxide/polyimide nanofibrous membranes for high-efficiency PM2. 5 filtration | |
CN106422522A (zh) | 基于蚕丝纳米纤维的空气过滤设备 | |
CN111636147A (zh) | 一种石墨烯抗菌熔喷布的制备方法及其应用 | |
TWI381073B (zh) | A polymer fiber body, a method for producing the same, and a filter for fluid filtration | |
CN111962211A (zh) | 一种基于静电纺丝技术制备纳米纤维医用防护服面料的方法 | |
CN109012218A (zh) | 一种四层复合微纳米纤维空气过滤膜及其应用 | |
Zhang et al. | Mussel-inspired approach to cross-linked functional 3D nanofibrous aerogels for energy-efficient filtration of ultrafine airborne particles | |
Xiong et al. | High-performance anti-haze window screen based on multiscale structured polyvinylidene fluoride nanofibers | |
CN104740934A (zh) | 一种口罩用立体型静电纺丝过滤材料及其制备方法 | |
CN109998199B (zh) | 一种抗雾化防雾霾口罩材料的制备方法 | |
Xiong et al. | Sandwich-structured fibrous membranes with low filtration resistance for effective PM2. 5 capture via one-step needleless electrospinning | |
CN106858823B (zh) | 一种过滤层及口罩 | |
CN108385278A (zh) | 一种抗水解的电纺pva/paa交联纳米纤维膜及其制备方法 | |
Dong et al. | Highly efficient and sustainable PM filtration using piezo nanofibrous membrane with gradient shrinking porous network | |
CN103637431A (zh) | 一种高效过滤pm2.5平面口罩 | |
Jiang et al. | Three-dimensional composite electrospun nanofibrous membrane by multi-jet electrospinning with sheath gas for high-efficiency antibiosis air filtration | |
CN1837435B (zh) | 一种复合型纳米级蚕丝纤维制品及其制备方法 | |
CN108456934A (zh) | 一种抗水解的电纺pva/戊二醛交联纳米纤维膜及其制备方法 | |
CN108927014A (zh) | 一种口罩中pva复合空气过滤膜的制备方法 | |
Du et al. | Pore structure design and optimization of electrospun PMIA nanofiber membrane | |
CN107028470A (zh) | 一种能够释放负离子的纳米纤维防雾霾窗帘 | |
CN112941725B (zh) | 一种耐久性聚偏氟乙烯三层复合亲水膜及其制备方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
WW01 | Invention patent application withdrawn after publication | ||
WW01 | Invention patent application withdrawn after publication |
Application publication date: 20181204 |