SU917208A1 - Magnetic material for manufacturing magnetic record carrier - Google Patents

Magnetic material for manufacturing magnetic record carrier Download PDF

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Publication number
SU917208A1
SU917208A1 SU802972301A SU2972301A SU917208A1 SU 917208 A1 SU917208 A1 SU 917208A1 SU 802972301 A SU802972301 A SU 802972301A SU 2972301 A SU2972301 A SU 2972301A SU 917208 A1 SU917208 A1 SU 917208A1
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SU
USSR - Soviet Union
Prior art keywords
magnetic
weight
record carrier
manufacturing
magnetic material
Prior art date
Application number
SU802972301A
Other languages
Russian (ru)
Inventor
Эдуард Григорьевич Орлов
Анна Ильинична Шувалова
Борис Игоревич Камка
Вольдемар Иванович Семешкин
Владимир Иванович Ларионов
Original Assignee
Предприятие П/Я В-2203
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Application filed by Предприятие П/Я В-2203 filed Critical Предприятие П/Я В-2203
Priority to SU802972301A priority Critical patent/SU917208A1/en
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Publication of SU917208A1 publication Critical patent/SU917208A1/en

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Description

Неламинформальдегидна  смола 1,01 ,5Nelamine formaldehyde resin 1.01, 5

Полиметилсилоксан 0,001-0,002 Изометилтетрагидрофталевый ангидрид 3,6-4,2Polymethylsiloxane 0.001-0.002 Isomethyltetrahydrophthalic anhydride 3.6-4.2

Растворители - Остальное 5 Предлагаемый магнитный материал представл ет собой дисперсию, содержащую магнитные частицы окиси железа , распределенные в дисперсной окиси алюмини , высокомолекул рной эпокЧО сидной смоле смолекул рным весом более 2000, низкомолекул рной эпок-, сидной смоле с молекул рным весом менее 2000, полифенилметилсилоксане, фенолформальдегидной смоле, мелалшн- 15 формальдегидной смоле, полиметилсилоксане , изометилтетрагидрофталевсж ангидриде и растворител х, ПРИ этом предлагаемый магнитный материал может содержать 18,0 вес.% магнитных 20 частиц окиси железа, 0,36 вес.% дисперсной окиси ajBOtJotHtta, 11,6 вес.% эпоксидной смолы с молекул рньам весом более 2000, 11,6 ввс.% эпоксидной смолы с молекул рнс м весом Mefiee 25 2000, 0,15 вес.% о ифе игшехнлсилоксана/ 3,6 вес.% фоцмлальдегвднрй смолы , 1.,5 вес.% мелапинформа ьдегидиой смолы, веЬ.%полиметилсилоксана , 4,2 вес.% метнлтетрагидрофталевого ангидшида и 56,688 вес.% раст- |ворителей.Solvents - Rest 5 The proposed magnetic material is a dispersion containing magnetic iron oxide particles dispersed in dispersed alumina, high molecular weight epochch resin resin with a molecular weight of more than 2000, low molecular weight epoxy resin with a molecular weight of less than 2000, polyphenylmethylsiloxane , phenol-formaldehyde resin, metal-15 formaldehyde resin, polymethylsiloxane, isomethyltetrahydrophthalic anhydride and solvents, when this proposed magnetic material can contain 18 , 0% by weight of magnetic iron oxide 20%, 0.36% by weight of dispersed oxide ajBOtJotHtta, 11.6% by weight of epoxy resin with rnam molecules weighing more than 2000, 11.6% of epoxy resin with rfc molecules m weight of Mefiee 25,200, 0.15% by weight of ife Igsechnylsiloxane / 3.6% by weight of resinaldehyde resin, 1., 5% by weight of melapine dehydrite resin,% of polymethylsiloxane, 4.2% by weight of methyl tetrahydrophthalic anhydride and 56.688 weight. % diluents.

I В процессе изготовление носител  магнитной записи npejc araeMue магнит-; HtM мат0р ал нанос т в виде тонкого сло  на немагмитную основу. Нос е вы-35 сшсанк  зтот тонкий с ов предпагаеж го магнитного мвте{ иала о6{ аэует бочий слой носител  магнитной записи, Исшользование пре д агаемого сло  позвол ет получить тжюкую ность и равн « носай1 раещ едг1втэниж магиитишс частиц в рабочем слоег то Обеспечивает высокую р&эр&аа   ую способиость нобител  магнитво эалис .I In the process of manufacturing a magnetic recording medium npejc araeMue magnet-; HtM material is applied in a thin layer on a non-magnetic base. The nose is 35 sshanktot thin from the preparative magnetic magnetic field {6 oa {ae ae the base layer of the magnetic recording medium, the depletion of the preconfigured layer makes it possible to obtain a tight and uniformly magnetized particles in the working layer. ; er & noah ability magnetic magnetvo ealis.

Использование npemtafa&9OFO гзов- 45 ретеки , кроме ПОВЕАЮНИЯ- ра ешак цей спосовности носитеп  магнитной записи обеспечивает также, его высокую износоустойчивость .The use of npemtafa & 9OFO gzov- 45 reki, except for the behavior of a carrier of magnetic recording, also ensures its high durability.

Claims (3)

1.Патент Японии № 44-17947, кл. 102 Е 11, 07.08.69.1. Japanese Patent No. 44-17947, cl. 102 E 11.07.08.69. 2.Патент Японии 48-7443, кл. 102 В 110.11, 06.03.73.2. Japanese Patent 48-7443, cl. 102 B 110.11, 06.03.73. 3.Авторское свидетельство СССР 581809, кл. G 11 В 5/84, 05.02.76 (прототип).3. Authors certificate of the USSR 581809, cl. G 11 5/84, 05.02.76 (prototype).
SU802972301A 1980-08-15 1980-08-15 Magnetic material for manufacturing magnetic record carrier SU917208A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SU802972301A SU917208A1 (en) 1980-08-15 1980-08-15 Magnetic material for manufacturing magnetic record carrier

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SU802972301A SU917208A1 (en) 1980-08-15 1980-08-15 Magnetic material for manufacturing magnetic record carrier

Publications (1)

Publication Number Publication Date
SU917208A1 true SU917208A1 (en) 1982-03-30

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Family Applications (1)

Application Number Title Priority Date Filing Date
SU802972301A SU917208A1 (en) 1980-08-15 1980-08-15 Magnetic material for manufacturing magnetic record carrier

Country Status (1)

Country Link
SU (1) SU917208A1 (en)

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