RU97108816A - METHOD FOR PRODUCING HIGH-RESISTANT FILTERING MATERIAL - Google Patents

METHOD FOR PRODUCING HIGH-RESISTANT FILTERING MATERIAL

Info

Publication number
RU97108816A
RU97108816A RU97108816/25A RU97108816A RU97108816A RU 97108816 A RU97108816 A RU 97108816A RU 97108816/25 A RU97108816/25 A RU 97108816/25A RU 97108816 A RU97108816 A RU 97108816A RU 97108816 A RU97108816 A RU 97108816A
Authority
RU
Russia
Prior art keywords
fiber
silica
silica fiber
pulp
microfine
Prior art date
Application number
RU97108816/25A
Other languages
Russian (ru)
Other versions
RU2123878C1 (en
Inventor
Л.Н. Растунов
Т.С. Карева
Ю.Н. Кочетов
З.Ш. Никурадзе
М.П. Новоселова
Ф.Н. Севастьянов
Original Assignee
Государственный научный центр РФ Всероссийский научно-исследовательский институт неорганических материалов им.акад.А.А.Бочвара
Filing date
Publication date
Application filed by Государственный научный центр РФ Всероссийский научно-исследовательский институт неорганических материалов им.акад.А.А.Бочвара filed Critical Государственный научный центр РФ Всероссийский научно-исследовательский институт неорганических материалов им.акад.А.А.Бочвара
Priority to RU97108816A priority Critical patent/RU2123878C1/en
Priority claimed from RU97108816A external-priority patent/RU2123878C1/en
Application granted granted Critical
Publication of RU2123878C1 publication Critical patent/RU2123878C1/en
Publication of RU97108816A publication Critical patent/RU97108816A/en

Links

Claims (1)

1. Способ получения высокотермостойкого фильтрующего материала в фактуре бумаги, включающий диспергирование субмикронных минеральных волокон, формование из пульпы бумаги, обезвоживание и сушку, отличающийся тем, что в качестве минеральных волокон используют субмикронные кремнеземные волокна, состоящие из ультратонких и микротонких кремнеземных волокон, при этом на стадии диспергирования в пульпу вводят грубодисперсное кремнеземное волокно при следующем соотношении компонентов, мас.%:
Ультратонкое кремнеземное волокно - 35-50
Микротонкое кремнеземное волокно - 45-60
Грубодисперсное кремнеземное волокно - 5-10
2. Способ по п.1, отличающийся тем, что ультратонкое кремнеземное волокно выбирают с диаметром волокон, равным 0,8 мкм, микротонкое кремнеземное волокно выбирают с диаметром волокон, равным 0,25 мкм, а грубодисперсное кремнеземное волокно выбирают с диаметром волокон, равным 5-7 мкм, и длиной 4-5 мм.1. A method of obtaining a high-temperature-resistant filter material in a paper texture, including dispersing submicron mineral fibers, forming from paper pulp, dehydration and drying, characterized in that submicron silica fibers consisting of ultrafine and microfine silica fibers are used as mineral fibers, coarse silica fiber is introduced into the pulp at the following ratio of components, wt.%:
Ultrathin Silica Fiber - 35-50
Microfine silica fiber - 45-60
Coarse silica fiber - 5-10
2. The method according to claim 1, characterized in that the ultrafine silica fiber is selected with a fiber diameter of 0.8 μm, the microfine silica fiber is selected with a fiber diameter of 0.25 μm, and the coarse silica fiber is selected with a fiber diameter equal to 5-7 microns, and a length of 4-5 mm. 3. Способ по п.1, отличающийся тем, что пульпу готовят в кислой среде при pH, равной 2-3. 3. The method according to claim 1, characterized in that the pulp is prepared in an acidic environment at a pH of 2-3.
RU97108816A 1997-05-23 1997-05-23 Method of manufacturing highly heat-resistant filter material RU2123878C1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RU97108816A RU2123878C1 (en) 1997-05-23 1997-05-23 Method of manufacturing highly heat-resistant filter material

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RU97108816A RU2123878C1 (en) 1997-05-23 1997-05-23 Method of manufacturing highly heat-resistant filter material

Publications (2)

Publication Number Publication Date
RU2123878C1 RU2123878C1 (en) 1998-12-27
RU97108816A true RU97108816A (en) 1999-05-20

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
RU97108816A RU2123878C1 (en) 1997-05-23 1997-05-23 Method of manufacturing highly heat-resistant filter material

Country Status (1)

Country Link
RU (1) RU2123878C1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113718546A (en) * 2020-05-25 2021-11-30 杭州特种纸业有限公司 Silicon dioxide air filter paper and preparation method thereof

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