RU2016103012A - FILTERING MATERIAL AND METHOD FOR PRODUCING IT - Google Patents

FILTERING MATERIAL AND METHOD FOR PRODUCING IT Download PDF

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Publication number
RU2016103012A
RU2016103012A RU2016103012A RU2016103012A RU2016103012A RU 2016103012 A RU2016103012 A RU 2016103012A RU 2016103012 A RU2016103012 A RU 2016103012A RU 2016103012 A RU2016103012 A RU 2016103012A RU 2016103012 A RU2016103012 A RU 2016103012A
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RU
Russia
Prior art keywords
polymer
solution
forming
polyacrylonitrile
electrode
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RU2016103012A
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Russian (ru)
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RU2637952C2 (en
Inventor
Павел Тимофеевич Меркулов
Игорь Анатольевич Родионцев
Александр Юрьевич Абрамов
Юрий Евгеньевич Сальковский
Николай Алексеевич Гусев
Ирина Васильевна Кириллова
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Российская Федерация, от имени которой выступает ФОНД ПЕРСПЕКТИВНЫХ ИССЛЕДОВАНИЙ
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Priority to RU2016103012A priority Critical patent/RU2637952C2/en
Publication of RU2016103012A publication Critical patent/RU2016103012A/en
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Publication of RU2637952C2 publication Critical patent/RU2637952C2/en

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D39/00—Filtering material for liquid or gaseous fluids
    • B01D39/14—Other self-supporting filtering material ; Other filtering material
    • B01D39/16—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres
    • B01D39/1607—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres the material being fibrous
    • B01D39/1623—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres the material being fibrous of synthetic origin
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
    • A62B23/00—Filters for breathing-protection purposes
    • A62B23/02—Filters for breathing-protection purposes for respirators
    • A62B23/025—Filters for breathing-protection purposes for respirators the filter having substantially the shape of a mask
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B82—NANOTECHNOLOGY
    • B82B—NANOSTRUCTURES FORMED BY MANIPULATION OF INDIVIDUAL ATOMS, MOLECULES, OR LIMITED COLLECTIONS OF ATOMS OR MOLECULES AS DISCRETE UNITS; MANUFACTURE OR TREATMENT THEREOF
    • B82B3/00—Manufacture or treatment of nanostructures by manipulation of individual atoms or molecules, or limited collections of atoms or molecules as discrete units
    • B82B3/0009—Forming specific nanostructures
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B82—NANOTECHNOLOGY
    • B82B—NANOSTRUCTURES FORMED BY MANIPULATION OF INDIVIDUAL ATOMS, MOLECULES, OR LIMITED COLLECTIONS OF ATOMS OR MOLECULES AS DISCRETE UNITS; MANUFACTURE OR TREATMENT THEREOF
    • B82B3/00—Manufacture or treatment of nanostructures by manipulation of individual atoms or molecules, or limited collections of atoms or molecules as discrete units
    • B82B3/0061—Methods for manipulating nanostructures
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B82—NANOTECHNOLOGY
    • B82B—NANOSTRUCTURES FORMED BY MANIPULATION OF INDIVIDUAL ATOMS, MOLECULES, OR LIMITED COLLECTIONS OF ATOMS OR MOLECULES AS DISCRETE UNITS; MANUFACTURE OR TREATMENT THEREOF
    • B82B3/00—Manufacture or treatment of nanostructures by manipulation of individual atoms or molecules, or limited collections of atoms or molecules as discrete units
    • B82B3/009—Characterizing nanostructures, i.e. measuring and identifying electrical or mechanical constants
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B82—NANOTECHNOLOGY
    • B82B—NANOSTRUCTURES FORMED BY MANIPULATION OF INDIVIDUAL ATOMS, MOLECULES, OR LIMITED COLLECTIONS OF ATOMS OR MOLECULES AS DISCRETE UNITS; MANUFACTURE OR TREATMENT THEREOF
    • B82B3/00—Manufacture or treatment of nanostructures by manipulation of individual atoms or molecules, or limited collections of atoms or molecules as discrete units
    • B82B3/0095—Manufacture or treatments or nanostructures not provided for in groups B82B3/0009 - B82B3/009

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Nanotechnology (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Filtering Materials (AREA)
  • Nonwoven Fabrics (AREA)

Claims (7)

1. Фильтрующий материал, выполненный из полимерных нановолокон, полученный методом электроформования, размещенный на нетканой полимерной основе, отличающийся тем, что нановолокна выполнены из полиакрилонитрила и имеют диаметр, равный 180-250 нм, при этом масса единицы площади нановолокнистого слоя составляет 1-7 г/м2.1. The filtering material made of polymer nanofibers obtained by electrospinning, placed on a non-woven polymer base, characterized in that the nanofibers are made of polyacrylonitrile and have a diameter of 180-250 nm, while the mass of a unit area of the nanofiber layer is 1-7 g / m 2 . 2. Материал по п. 1, отличающийся тем, что сопротивление потоку воздуха при линейной скорости 1 см/с равно 47-150 Па.2. The material according to claim 1, characterized in that the resistance to air flow at a linear speed of 1 cm / s is 47-150 Pa. 3. Способ получения фильтрующего материала по п. 1, включающий электроформование полимерных нановолокон в электрическом поле высокого напряжения, созданном за счет разности потенциалов между формующим и осадительным электродом, и одновременное укладывание образующегося нановолокна на движущуюся в межэлектродном пространстве нетканую подложку, отличающийся тем, что в качестве раствора полимера используют полиакрилонитрил, формование осуществляют из раствора полиакрилонитрила в растворителе при концентрации полимера в растворе 12-13 масс. %.3. A method of obtaining a filter material according to claim 1, including the electrospinning of polymer nanofibers in a high voltage electric field created by the potential difference between the forming and precipitating electrodes, and simultaneously laying the resulting nanofiber on a nonwoven substrate moving in the interelectrode space, characterized in that polyacrylonitrile is used as a polymer solution, molding is carried out from a solution of polyacrylonitrile in a solvent at a polymer concentration of 12-13 m in the solution ass. % 4. Способ по п. 3, отличающийся тем, что формующий электрод представляет собой вращающийся струнный электрод, частично погруженный в раствор полимера, а осадительный электрод размещен напротив свободной поверхности формующего электрода.4. The method according to p. 3, characterized in that the forming electrode is a rotating string electrode, partially immersed in the polymer solution, and the precipitation electrode is placed opposite the free surface of the forming electrode. 5. Способ по п. 3, отличающийся тем, что растворителем является диметилформамид.5. The method according to p. 3, characterized in that the solvent is dimethylformamide. 6. Способ по п. 3, отличающийся тем, что вязкость раствора 0,9-1,4 Па⋅с, температура 30-35°С и относительная влажность 7-17%.6. The method according to p. 3, characterized in that the viscosity of the solution is 0.9-1.4 Pa⋅s, a temperature of 30-35 ° C and a relative humidity of 7-17%. 7. Способ по п. 3, отличающийся тем, что электроформирование производят при напряжении электрического поля, равном 65-70 кВ, при этом расстояние между формующим и осадительным электродами равно 170-190 мм, нановолокно укладывают на подложку последовательно в 1-10 слоев, после чего складывают полученный материал вдвое или втрое.7. The method according to p. 3, characterized in that the electroforming is carried out at an electric field voltage of 65-70 kV, while the distance between the forming and depositing electrodes is 170-190 mm, the nanofiber is laid on a substrate sequentially in 1-10 layers, then fold the resulting material twice or three times.
RU2016103012A 2016-01-29 2016-01-29 Filter material and method for its production RU2637952C2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RU2016103012A RU2637952C2 (en) 2016-01-29 2016-01-29 Filter material and method for its production

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Application Number Priority Date Filing Date Title
RU2016103012A RU2637952C2 (en) 2016-01-29 2016-01-29 Filter material and method for its production

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RU2016103012A true RU2016103012A (en) 2017-08-03
RU2637952C2 RU2637952C2 (en) 2017-12-08

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2676066C1 (en) * 2018-03-27 2018-12-25 Российская Федерация, от имени которой выступает ФОНД ПЕРСПЕКТИВНЫХ ИССЛЕДОВАНИЙ Method of producing filter material and filter material
GB2601381A (en) * 2020-11-30 2022-06-01 Hardshell Uk Limted Air filtration apparatus

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2675924C1 (en) * 2018-03-27 2018-12-25 Российская Федерация, от имени которой выступает ФОНД ПЕРСПЕКТИВНЫХ ИССЛЕДОВАНИЙ Filtering package, method for producing a membrane for it and method of manufacturing a gas mask particle filter

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7051883B2 (en) * 2003-07-07 2006-05-30 Reemay, Inc. Wetlaid-spunbond laminate membrane support
JP5646346B2 (en) * 2008-12-25 2014-12-24 株式会社クラレ Filter media and filter cartridge
RU87098U1 (en) * 2009-06-02 2009-09-27 Валерий Павлович Герасименя FILTER FOR CLEANING AIR FROM TOXIC IMPURITIES AND MICROBIOLOGICAL POLLUTIONS
US20110210081A1 (en) * 2010-02-26 2011-09-01 Clarcor Inc. Fine fiber liquid particulate filter media
RU2477644C1 (en) * 2011-11-07 2013-03-20 Юрий Николаевич Филатов Filtration material, method of its production and application
RU2521378C2 (en) * 2012-02-06 2014-06-27 Общество С Ограниченной Ответственностью "Эфтэк" Filter material

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2676066C1 (en) * 2018-03-27 2018-12-25 Российская Федерация, от имени которой выступает ФОНД ПЕРСПЕКТИВНЫХ ИССЛЕДОВАНИЙ Method of producing filter material and filter material
GB2601381A (en) * 2020-11-30 2022-06-01 Hardshell Uk Limted Air filtration apparatus

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Publication number Publication date
RU2637952C2 (en) 2017-12-08

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