KR910005238A - 자기기록매체 - Google Patents

자기기록매체 Download PDF

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Publication number
KR910005238A
KR910005238A KR1019900012964A KR900012964A KR910005238A KR 910005238 A KR910005238 A KR 910005238A KR 1019900012964 A KR1019900012964 A KR 1019900012964A KR 900012964 A KR900012964 A KR 900012964A KR 910005238 A KR910005238 A KR 910005238A
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KR
South Korea
Prior art keywords
molecular weight
recording medium
magnetic recording
isocyanate
carbon atoms
Prior art date
Application number
KR1019900012964A
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English (en)
Inventor
케펠러 우베
보프리히 미하엘
하일 귄터
롤러 헤르만
레너 아우구스트
렌쯔 베르너
슐쯔 귄터
Original Assignee
방에르트, 바르츠
바스프 악티엔게젤샤프트
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.)
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Application filed by 방에르트, 바르츠, 바스프 악티엔게젤샤프트 filed Critical 방에르트, 바르츠
Publication of KR910005238A publication Critical patent/KR910005238A/ko

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    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/62—Record carriers characterised by the selection of the material
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/62—Record carriers characterised by the selection of the material
    • G11B5/68—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent
    • G11B5/70—Record 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
    • G11B5/702—Record 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 characterised by the bonding agent
    • G11B5/7021—Record 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 characterised by the bonding agent containing a polyurethane or a polyisocyanate
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/08—Processes
    • C08G18/10—Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step
    • C08G18/12—Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step using two or more compounds having active hydrogen in the first polymerisation step
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/65—Low-molecular-weight compounds having active hydrogen with high-molecular-weight compounds having active hydrogen
    • C08G18/66—Compounds of groups C08G18/42, C08G18/48, or C08G18/52
    • C08G18/6603—Compounds of groups C08G18/42, C08G18/48, or C08G18/52 with compounds of group C08G18/32 or polyamines of C08G18/38
    • C08G18/6607—Compounds of groups C08G18/42, C08G18/48, or C08G18/52 with compounds of group C08G18/32 or polyamines of C08G18/38 with compounds of group C08G18/3203
    • C08G18/6611—Compounds of groups C08G18/42, C08G18/48, or C08G18/52 with compounds of group C08G18/32 or polyamines of C08G18/38 with compounds of group C08G18/3203 having at least three hydroxy groups
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
    • C08G18/72—Polyisocyanates or polyisothiocyanates
    • C08G18/74—Polyisocyanates or polyisothiocyanates cyclic
    • C08G18/76—Polyisocyanates or polyisothiocyanates cyclic aromatic
    • C08G18/7607—Compounds of C08G18/7614 and of C08G18/7657
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L75/00—Compositions of polyureas or polyurethanes; Compositions of derivatives of such polymers
    • C08L75/04—Polyurethanes
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S428/00—Stock material or miscellaneous articles
    • Y10S428/90—Magnetic feature
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/31504—Composite [nonstructural laminate]
    • Y10T428/31551—Of polyamidoester [polyurethane, polyisocyanate, polycarbamate, etc.]
    • Y10T428/31609—Particulate metal or metal compound-containing

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  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Magnetic Record Carriers (AREA)
  • Paints Or Removers (AREA)
  • Polyurethanes Or Polyureas (AREA)

Abstract

내용 없음

Description

자기기록매체
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
도면은 폴리에스테르 필름에 대한 분산액의 점착력을 나타낸 것이다.

Claims (7)

  1. 비자기성 기개와 그위에 견고히 도포되고 50중량%이상의 열가소성 폴리우레탄을 포함하는 결합제에 잘 분배된 자기성 재료에 근거하는 최소한 한개의 자기층으로 구성되는 자기 기록매체로서, 여기서 사용되는 열가소성 폴리우레탄은 테트라히드로푸란에 용해될 수 있고, 사슬 말단에 OH기를 함유하는 우레아기를 갖고 40,000 내지 200,000의 분자량을 갖고, 성분 (A) 내지 (C)의 OH기의 대 성분 (D)의 NCO기 대 성분(E)의 아민기의 비가 1:1.03-1.3:0.03-0.3인 것을 조건으로, (A) 성분(A1)대(A2)의 몰비가 10보다 크거나 같은, (A1)400내지 4,000의 분자량을 갖는 폴리디올과 (A2) 14,000이상의 분자량을 갖는 폴릴디올의 혼합물 1몰 (B)(B1) 방향족디올과 (B2) 2 내지 10개의 탄소원자의 곧은 사슬 디올의 혼합물 0.3 내지 10몰, (C) 3 내지 10개의 탄소원자의 트리올 또는 폴리올 0.05 내지 0.5몰, (D) 6 내지 30개의 탄소원자가 디이소시안산염 1.3 내지 13몰 및 (E) 2 내지 16개의 탄소원자의 아미노 알콜 0.09 내지 2몰로 부터 제조되는, 이소시안산염 없는 가지달린 폴리우레탄인 것을 특징으로 하는 자기 기록매체.
  2. 비자기성 기재와 그위에 견고히 도포된 50중량 이상의 열가서성 폴리우레탄을 포함하는 결합제의 최소한 한개의 자기층으로 구성되는 자기 기록매체로서, 여기서 사용되는 폴리우레탄은 테트라히드로푸란에 용해될 수 있고, 사슬 말단에 우레아기를 갖고 40,000 내지 200,000의 분자량을 갖고, 성분(A) 내지 (C)의 OH기 대 성분(D)의 NCO기의 대 성분(E)의 아민기의 비가 1:1.03-1.3:0.03-0.3인 것을 조건으로, (A) 성분 (A1)대 성분(A2)의 몰비가 10보다 크거나 같은, (A1)400 내지 4,000의 분자량을 갖는 폴리디올과, (A2) 14,000이상의 분자량을 갖는 폴리디올의 혼합물 1몰, (B)(B1)방향족 디올과 (B2)2내지 10개의 탄소원자의 곧은 사슬 디올의 혼합물 0.3 내지 10몰, (C)3 내지 10개의 탄소원자의 트리올 또는 폴리올 0.05 내지 0.5몰, (D)6 내지 30개의 탄소원자의 디이소시안산염 1.3 내지 13몰 및 (E) 2내지 16개의 탄소원자의 OH기가 없는 모노아민 0.09 내지 2몰로부터 제조되는, 이소시안산염 없는 가지달린 폴리우레탄인 것을 특징으로 하는 자기 기록매체.
  3. 제1항에 있어서, 테트라히드로푸란에 용해될 수 있고 사슬 말단에 OH기를 함유하는 우레아기를 갖고 40,000 내지 200,000의 분자량을 갖는, 이소시안산염 없는 가지달린 폴리우레탄이 디-, 트리- 및 폴리이소시안산염과 10,000이하의 분자량을 갖는 이소시안산염 예비 중합체로 구성된 이소시안산염과 교차결합을 하는 것을 특징으로 하는 자기 기록매체.
  4. 제2항에 있어서 테트라히드로푸란에 용해될 수 있고 사슬 말단에 우레아기를 갖고 40,000 내지 200,000의 분자량을 갖는 이소시안산염 없는 가지달린 폴리우레탄이 디-, 트리- 및 폴리이소시안산염과, 10,000 이하의 분자량을 갖는 이소시안산염 예비 중합체로 구성된 이소시안산염과 교차결합을 하는 것을 특징으로 하는 자기 기록 메체.
  5. 제1 내지 4항중 어느 한 항에 있어서, 성분(B1)은 m과 n이 서로 독립적으로 각각 0일 수 있는 하기 일반식(Ⅰ)의 화합물이 것을 특징으로 하는 자기 기록 매체.
  6. 제1항 또는 2항에 있어서, 80%이상의 말단 OH기는 R1dl - (CH2)n-, R2는 H, -CH3또는 -(CH2)m-CH3이고 n이 2 내지 10이고 m이 1 내지 10인 하기기들로 구성되는 것을 특징으로 하는 자기 기록매체.
  7. 제1항 내지 4항에 있어서, 테트라히드로푸란에 용해될 수 있고 사슬 말단에 OH기를 함유하는 우레아기를 갖는 이소시안산염 없는 가지달린 폴리우레탄이 단독 결합제로서 사용되는 것을 특징으로 하는 자기 기록매체.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019900012964A 1989-08-22 1990-08-22 자기기록매체 KR910005238A (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3927659A DE3927659A1 (de) 1989-08-22 1989-08-22 Magnetische aufzeichnungstraeger
DEP3927659.7 1989-08-22

Publications (1)

Publication Number Publication Date
KR910005238A true KR910005238A (ko) 1991-03-30

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Application Number Title Priority Date Filing Date
KR1019900012964A KR910005238A (ko) 1989-08-22 1990-08-22 자기기록매체

Country Status (5)

Country Link
US (1) US5130202A (ko)
EP (1) EP0414111B1 (ko)
JP (1) JPH0395718A (ko)
KR (1) KR910005238A (ko)
DE (2) DE3927659A1 (ko)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0547432B1 (de) * 1991-12-18 1996-02-28 BASF Magnetics GmbH Magnetische Aufzeichnungsträger
GB2282338B (en) * 1993-09-30 1997-08-20 Basf Magnetics Gmbh Magnetic recording media
US6111001A (en) * 1998-11-24 2000-08-29 Ppg Industries Ohio, Inc. Compositions containing rheology modifiers with functional group-containing polymers
CN113881039B (zh) * 2021-10-21 2022-11-15 北京化工大学 芳香族双环碳酸酯及杂化非异氰酸酯聚氨酯的制备方法

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2871218A (en) * 1955-12-01 1959-01-27 Goodrich Co B F Simulated vulcanizates of polyurethane elastomers
US2899411A (en) * 1956-07-30 1959-08-11 Polyurethane elastomers from hy-
NL134708C (ko) * 1963-11-07
US3320090A (en) * 1964-07-30 1967-05-16 Ampex Phenoxy-polyurethane magnetic tape binder
BE680984A (ko) * 1965-05-24 1966-10-17
US3574684A (en) * 1965-05-26 1971-04-13 Memorex Corp Polyurethane magnetic coating composition
US3650828A (en) * 1969-09-04 1972-03-21 Karex Inc Magnetic coating formulation for recording tape
DE2114611A1 (de) * 1971-03-26 1972-10-05 Basf Ag Magnetische Aufzeichnungsträger
DE2234822C3 (de) * 1972-07-15 1978-11-23 Agfa-Gevaert Ag, 5090 Leverkusen Verfahren zur Herstellung von magnetischen Speichermedien
US4183976A (en) * 1975-10-01 1980-01-15 Fuji Photo Film Co., Ltd. Process of producing a magnetic recording element
DE3127884A1 (de) * 1981-07-15 1983-02-03 Agfa-Gevaert Ag, 5090 Leverkusen Magnetisches speichermedium
DE3341698A1 (de) * 1983-11-18 1985-05-30 Basf Ag, 6700 Ludwigshafen Magnetische aufzeichnungstraeger
DE3707440A1 (de) * 1987-03-07 1988-09-15 Basf Ag Magnetische aufzeichnungstraeger

Also Published As

Publication number Publication date
US5130202A (en) 1992-07-14
EP0414111B1 (de) 1994-04-20
DE3927659A1 (de) 1991-02-28
EP0414111A3 (en) 1991-10-09
EP0414111A2 (de) 1991-02-27
DE59005424D1 (de) 1994-05-26
JPH0395718A (ja) 1991-04-22

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