DE3614839A1 - Verbessertes haertungsverfahren fuer magnettontraeger - Google Patents

Verbessertes haertungsverfahren fuer magnettontraeger

Info

Publication number
DE3614839A1
DE3614839A1 DE19863614839 DE3614839A DE3614839A1 DE 3614839 A1 DE3614839 A1 DE 3614839A1 DE 19863614839 DE19863614839 DE 19863614839 DE 3614839 A DE3614839 A DE 3614839A DE 3614839 A1 DE3614839 A1 DE 3614839A1
Authority
DE
Germany
Prior art keywords
magnetic
hardening
curing
web
magnetic layer
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.)
Granted
Application number
DE19863614839
Other languages
German (de)
English (en)
Other versions
DE3614839C2 (enrdf_load_stackoverflow
Inventor
Robert H. San Carlos Calif. Perry jun.
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ampex Corp
Original Assignee
Ampex Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Ampex Corp filed Critical Ampex Corp
Publication of DE3614839A1 publication Critical patent/DE3614839A1/de
Application granted granted Critical
Publication of DE3614839C2 publication Critical patent/DE3614839C2/de
Granted legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/62Record carriers characterised by the selection of the material
    • G11B5/68Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent
    • G11B5/70Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05DPROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D3/00Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
    • B05D3/04Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by exposure to gases
    • B05D3/0433Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by exposure to gases the gas being a reactive gas
    • B05D3/0453After-treatment
    • B05D3/046Curing or evaporating the solvent
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00Polymeric products of isocyanates or isothiocyanates
    • C08G18/06Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/08Processes
    • C08G18/16Catalysts
    • C08G18/18Catalysts containing secondary or tertiary amines or salts thereof
    • C08G18/1891Catalysts containing secondary or tertiary amines or salts thereof in vaporous state

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Manufacturing Of Magnetic Record Carriers (AREA)
  • Paints Or Removers (AREA)
DE19863614839 1985-05-03 1986-05-02 Verbessertes haertungsverfahren fuer magnettontraeger Granted DE3614839A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US73071285A 1985-05-03 1985-05-03

Publications (2)

Publication Number Publication Date
DE3614839A1 true DE3614839A1 (de) 1986-11-06
DE3614839C2 DE3614839C2 (enrdf_load_stackoverflow) 1991-05-16

Family

ID=24936519

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19863614839 Granted DE3614839A1 (de) 1985-05-03 1986-05-02 Verbessertes haertungsverfahren fuer magnettontraeger

Country Status (6)

Country Link
JP (1) JPS61265727A (enrdf_load_stackoverflow)
KR (1) KR940006850B1 (enrdf_load_stackoverflow)
CN (1) CN1012540B (enrdf_load_stackoverflow)
DE (1) DE3614839A1 (enrdf_load_stackoverflow)
GB (1) GB2174620B (enrdf_load_stackoverflow)
MX (1) MX171027B (enrdf_load_stackoverflow)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3913630A1 (de) * 1988-04-25 1990-03-08 Minnesota Mining & Mfg Verfahren zur herstellung eines magnetischen aufzeichnungsmediums
WO2011104224A1 (de) * 2010-02-26 2011-09-01 Basf Se Katalysierte granulattemperung für thermoplastische polyurethane

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4660411B2 (ja) 2006-03-30 2011-03-30 富士フイルム株式会社 記録媒体の製造方法並びにインクジェット記録媒体及びその製造方法
US8455608B2 (en) * 2010-02-26 2013-06-04 Basf Se Catalyzed pellet heat treatment for thermoplastic polyurethanes

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3366505A (en) * 1963-06-27 1968-01-30 Gevaert Photo Prod Nv Manufacture of magnetic recording material with more durable surface stratum on recording layer
US4366193A (en) * 1981-04-10 1982-12-28 Ashland Oil, Inc. Catechol-based vapor permeation curable coating compositions

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2967117A (en) * 1949-01-25 1961-01-03 Bayer Ag Process for coating a substrate with a mixture of a polyhydroxy polyester and a polyisocyanate
FR2279120A1 (fr) * 1974-07-16 1976-02-13 Cables De Lyon Geoffroy Delore Revetement pour fibres optiques
JPS54153011A (en) * 1978-05-23 1979-12-01 Hitachi Maxell Method of fabricating magnetic recording medium
US4368222A (en) * 1981-06-05 1983-01-11 Ashland Oil, Inc. Vapor permeation curable coatings for surface-porous substrates
US4374181A (en) * 1981-09-14 1983-02-15 Ashland Oil, Inc. Vapor permeation curable coatings for reaction injection molded parts
US4396647A (en) * 1982-02-22 1983-08-02 Ashland Oil, Inc. Vapor permeation curable coating compositions containing 2,3',4-trihydroxydiphenyl
CA1169305A (en) * 1982-03-03 1984-06-19 Gordon A.D. Reed Catalytic curing of coatings
US4517222A (en) * 1983-03-10 1985-05-14 Ashland Oil, Inc. Vaporous amine catalyst spray method of applying a film to a substrate
JPS6157041A (ja) * 1984-08-27 1986-03-22 Mitsubishi Chem Ind Ltd 磁気記録媒体の製造方法
AU573381B2 (en) * 1984-09-13 1988-06-02 Vapocure International Pty. Limited Hydrated catalyst complex and process for drying one component coatings
JPS61187972A (ja) * 1985-02-16 1986-08-21 Hitachi Maxell Ltd 金属粉末含有塗膜の形成方法

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3366505A (en) * 1963-06-27 1968-01-30 Gevaert Photo Prod Nv Manufacture of magnetic recording material with more durable surface stratum on recording layer
US4366193A (en) * 1981-04-10 1982-12-28 Ashland Oil, Inc. Catechol-based vapor permeation curable coating compositions

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3913630A1 (de) * 1988-04-25 1990-03-08 Minnesota Mining & Mfg Verfahren zur herstellung eines magnetischen aufzeichnungsmediums
WO2011104224A1 (de) * 2010-02-26 2011-09-01 Basf Se Katalysierte granulattemperung für thermoplastische polyurethane
CN102770473A (zh) * 2010-02-26 2012-11-07 巴斯夫欧洲公司 热塑性聚氨酯的催化颗粒热处理
CN102770473B (zh) * 2010-02-26 2015-02-18 巴斯夫欧洲公司 热塑性聚氨酯的催化颗粒热处理

Also Published As

Publication number Publication date
GB2174620A (en) 1986-11-12
JPS61265727A (ja) 1986-11-25
CN86103704A (zh) 1986-11-19
DE3614839C2 (enrdf_load_stackoverflow) 1991-05-16
GB8610537D0 (en) 1986-06-04
GB2174620B (en) 1989-01-25
CN1012540B (zh) 1991-05-01
JPH0551968B2 (enrdf_load_stackoverflow) 1993-08-04
KR860009390A (ko) 1986-12-22
KR940006850B1 (ko) 1994-07-28
MX171027B (es) 1993-09-27

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Legal Events

Date Code Title Description
OP8 Request for examination as to paragraph 44 patent law
D2 Grant after examination
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee