KR900013534A - 자기 매체기록을 위하여 개선된 결합특성을 갖는 열가소성 폴리우레탄 - Google Patents
자기 매체기록을 위하여 개선된 결합특성을 갖는 열가소성 폴리우레탄 Download PDFInfo
- Publication number
- KR900013534A KR900013534A KR1019900001485A KR900001485A KR900013534A KR 900013534 A KR900013534 A KR 900013534A KR 1019900001485 A KR1019900001485 A KR 1019900001485A KR 900001485 A KR900001485 A KR 900001485A KR 900013534 A KR900013534 A KR 900013534A
- Authority
- KR
- South Korea
- Prior art keywords
- tape
- composition
- chain extender
- polyester
- magnetic
- Prior art date
Links
- 229920002803 thermoplastic polyurethane Polymers 0.000 title claims 2
- 239000004433 Thermoplastic polyurethane Substances 0.000 title 1
- 229920000728 polyester Polymers 0.000 claims 11
- 239000000203 mixture Substances 0.000 claims 10
- 239000004970 Chain extender Substances 0.000 claims 8
- 125000004432 carbon atom Chemical group C* 0.000 claims 6
- 239000006249 magnetic particle Substances 0.000 claims 5
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims 4
- 125000001931 aliphatic group Chemical group 0.000 claims 4
- 125000003118 aryl group Chemical group 0.000 claims 4
- 229920001228 polyisocyanate Polymers 0.000 claims 4
- 239000005056 polyisocyanate Substances 0.000 claims 4
- 239000011230 binding agent Substances 0.000 claims 3
- 239000002253 acid Substances 0.000 claims 2
- 125000005442 diisocyanate group Chemical group 0.000 claims 2
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 claims 2
- 239000000463 material Substances 0.000 claims 2
- OFOBLEOULBTSOW-UHFFFAOYSA-N Malonic acid Chemical compound OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 claims 1
- 239000004721 Polyphenylene oxide Substances 0.000 claims 1
- WNLRTRBMVRJNCN-UHFFFAOYSA-L adipate(2-) Chemical compound [O-]C(=O)CCCCC([O-])=O WNLRTRBMVRJNCN-UHFFFAOYSA-L 0.000 claims 1
- 125000002947 alkylene group Chemical group 0.000 claims 1
- 150000008064 anhydrides Chemical class 0.000 claims 1
- IISBACLAFKSPIT-UHFFFAOYSA-N bisphenol A Chemical group C=1C=C(O)C=CC=1C(C)(C)C1=CC=C(O)C=C1 IISBACLAFKSPIT-UHFFFAOYSA-N 0.000 claims 1
- 239000007795 chemical reaction product Substances 0.000 claims 1
- 150000002148 esters Chemical class 0.000 claims 1
- 125000000816 ethylene group Chemical group [H]C([H])([*:1])C([H])([H])[*:2] 0.000 claims 1
- 125000001183 hydrocarbyl group Chemical group 0.000 claims 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims 1
- 229920000570 polyether Polymers 0.000 claims 1
Classifications
-
- 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
-
- 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
-
- 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
- C08G18/30—Low-molecular-weight compounds
- C08G18/32—Polyhydroxy compounds; Polyamines; Hydroxyamines
- C08G18/3203—Polyhydroxy compounds
- C08G18/3215—Polyhydroxy compounds containing aromatic groups or benzoquinone 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
- C08G18/28—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
- C08G18/6633—Compounds of group C08G18/42
- C08G18/6637—Compounds of group C08G18/42 with compounds of group C08G18/32 or polyamines of C08G18/38
- C08G18/664—Compounds of group C08G18/42 with compounds of group C08G18/32 or polyamines of C08G18/38 with compounds of group C08G18/3203
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Paints Or Removers (AREA)
- Magnetic Record Carriers (AREA)
- Polyurethanes Or Polyureas (AREA)
Abstract
내용 없음
Description
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
Claims (18)
- 기재, 자기입자, 및 상기 자기입자를 상기 기재에 결합하는 결합제로 구성되며, 상기 결합제는 폴리이소시안에이트와, 수산기말단폴리에스테르 중간체와 비스-페놀 A사슬 연장제 유도체의 블렌드와의 반응생성물이고, 상기 사슬 연장제는 다음 일반식을 갖는 것을 특징으로 하는, 폴리에스테르우레탄 결합제 내에서의 자기 입자의 좋은 분산성을 갖는 자기 테이프.상기식에서 R1및 R2는 각각 1 내지 4개의 탄소원자를 갖는 알킬렌기이다.
- 제1항에 있어서, 상기 사슬연장제의 양은 상기 폴리에스테르 중간체의 매 몰당 약 0.1 내지 액 10몰이고, 상기 폴리 에스테르 중간체는 탄화수소 부분이 2 내지 18개의 탄소원자를 갖는 지방족기, 6 내지 15개 탄소원자를 갖는 방향족기 또는 지방족기로 치환된 방향족기인 디카르복실산 또는 이것의 무수물, 및 층4내지 10개 탄소원자를 갖는 글리콜로부터 제조되는 것을 특징으로 하는 자기 테이프.
- 제2항에 있어서, 상기 폴리이소시안에이트는 총 2 내지 12개 탄소원자를 갖는 지방족 디이소시안에이트, 또는 총 6 내지 18개 탄소원자를 갖는 방향족치환된 지방족기 또는 지방족 치환된 방향족기이고, 상기 폴리에스테르 중간체의 평균분자량은 약 500 내지 약 5,000인 것을 특징으로 하는 자기 테이프.
- 제3항에 있어서, 상기 사슬 연장제의 R1및 R2가 에틸렌기이고, 상기 폴리에스테르 중간체의 평균분자량이 약 700 내지 약 2,000 이고 상기 폴리에스테르가 1.3이하의 산값을 갖는 것을 특징으로 하는 자기 테이프.
- 제4항에 있어서, 상기 폴리이소시안에이트의 n 이 2이고, 상기 디이소시안에이트의 몰수가 상기 폴리에세트르 중간체 및 상기 사슬 연장제의 총몰수당 약 0.95 내지 약 0.01임을 특징으로 하는 자기 테이프.
- 제5항에 있어서, 상기 자기입자의 양이 상기 자기입자와 상기 폴리에스테르우레탄 수지의 총 중량에 근거하여 약 60% 내지 약 85wt.%이고, 상기 폴리에스테르 중간체가 1.0이하의 산값을 갖는 것을 특징으로 하는 자기 테이프.
- 제6항에 있어서, 상기 사슬연장제의 양이 상기 폴리에스테르 중간체의 매 몰에 대해 약 0.5 내지 5몰이고 상기 디이소시안산염이 MDI임을 특징으로 하는 자기 테이프.
- 제7항에 있어서, 상기 폴리에스테르가 폴리(테트라 메킬렌아디페이트 글리콜)임을 특징으로 하는 자기 테이프.
- 제8항에 있어서, 상기 사슬 연장제의 양이 상기 폴리 에스테르 중간체 매몰 에 대하여 약 0.4 내지 1.7몰이고 상기 MDI 몰수가 상기 폴리에스테르 중간체 및 상기 사슬연장제의 총 몰수당 약 0.97 내지 1.005 임을 특징으로 하는 자기 테이프.
- 제1항의 조성물로 이루어진 비데오 테이프.
- 제4항의 조성물로 이루어진 비데오 테이프.
- 제8항의 조성물로 이루어진 비데오 테이프.
- 제1항의 조성물로 이루어진 오디오 테이프.
- 제5항의 조성물로 이루어진 오디오 테이프.
- 제8항의 조성물로 이루어진 오디오 테이프.
- 제1항의 조성물로 이루어진 콤퓨터 테이프.
- 제5항의 조성물로 이루어진 콤퓨터 테이프.
- 제8항의 조성물로 이루어진 콤퓨터 테이프.※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US07/308,061 US4988574A (en) | 1989-02-08 | 1989-02-08 | Thermoplastic polyurethanes having improved binder properties for magnetic media recording |
| US308,061 | 1989-02-08 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR900013534A true KR900013534A (ko) | 1990-09-06 |
| KR100190592B1 KR100190592B1 (ko) | 1999-06-01 |
Family
ID=23192379
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1019900001485A KR100190592B1 (ko) | 1989-02-08 | 1990-02-08 | 자기기록매체에대한결합특성이개선된열가소성폴리우레탄 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US4988574A (ko) |
| JP (1) | JPH02289922A (ko) |
| KR (1) | KR100190592B1 (ko) |
| CN (1) | CN1021154C (ko) |
| MY (1) | MY106230A (ko) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2843038B2 (ja) * | 1988-09-24 | 1999-01-06 | 日立マクセル株式会社 | 磁気記録媒体 |
| DE4109668A1 (de) * | 1991-03-23 | 1992-09-24 | Bayer Ag | Isocyanatfreie oligomere urethanharze |
| DE4445174A1 (de) * | 1994-01-12 | 1995-07-13 | Basf Magnetics Gmbh | Als vernetzbare Bindemittelkomponente geeignete Massen |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3493749A (en) * | 1966-05-23 | 1970-02-03 | Packard Instrument Co Inc | Counting statistics in radioactive sampling apparatus by sample rotation |
| GB1477633A (en) * | 1973-08-23 | 1977-06-22 | Bostik Ltd | Adhesives |
| US4643949B1 (en) * | 1983-04-08 | 1993-05-18 | The B.F. Goodrich Company | Magnetic recording tape |
| US4442282A (en) * | 1983-06-20 | 1984-04-10 | The B. F. Goodrich Company | Polyurethane covered golf balls |
| US4842942A (en) * | 1984-08-15 | 1989-06-27 | Toyo Boseki Kabushiki Kaisha | Magnetic recording medium |
| US4568611A (en) * | 1985-04-03 | 1986-02-04 | Morton Thiokol, Inc. | Polyester-polyurethane composition and use thereof |
| US4775593A (en) * | 1987-06-09 | 1988-10-04 | Hoechst Celanese Corporation | Flexible magnetic recording media having superior peel strength |
-
1989
- 1989-02-08 US US07/308,061 patent/US4988574A/en not_active Expired - Lifetime
-
1990
- 1990-02-07 JP JP2026215A patent/JPH02289922A/ja active Pending
- 1990-02-08 MY MYPI90000203A patent/MY106230A/en unknown
- 1990-02-08 CN CN90100608A patent/CN1021154C/zh not_active Expired - Fee Related
- 1990-02-08 KR KR1019900001485A patent/KR100190592B1/ko not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| CN1021154C (zh) | 1993-06-09 |
| US4988574A (en) | 1991-01-29 |
| MY106230A (en) | 1995-04-29 |
| CN1046237A (zh) | 1990-10-17 |
| JPH02289922A (ja) | 1990-11-29 |
| KR100190592B1 (ko) | 1999-06-01 |
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| A201 | Request for examination | ||
| E902 | Notification of reason for refusal | ||
| E701 | Decision to grant or registration of patent right | ||
| GRNT | Written decision to grant | ||
| FPAY | Annual fee payment |
Payment date: 20090119 Year of fee payment: 11 |
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| LAPS | Lapse due to unpaid annual fee |