DD99470A1 - - Google Patents
Info
- Publication number
- DD99470A1 DD99470A1 DD15802171A DD15802171A DD99470A1 DD 99470 A1 DD99470 A1 DD 99470A1 DD 15802171 A DD15802171 A DD 15802171A DD 15802171 A DD15802171 A DD 15802171A DD 99470 A1 DD99470 A1 DD 99470A1
- Authority
- DD
- German Democratic Republic
Links
Classifications
-
- 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
- C08G18/80—Masked polyisocyanates
- C08G18/8061—Masked polyisocyanates masked with compounds having only one group containing active hydrogen
- C08G18/8093—Compounds containing active methylene groups
-
- 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
- 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
- G11B5/7022—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 containing mixtures of polyurethanes or polyisocyanates with other polymers
Landscapes
- 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)
- Manufacturing Of Magnetic Record Carriers (AREA)
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DD15802171A DD99470A1 (en:Method) | 1971-09-29 | 1971-09-29 | |
| DE19722246249 DE2246249A1 (de) | 1971-09-29 | 1972-09-21 | Verfahren zur herstellung von magnetogrammtraegern |
| SU1835327A SU461443A1 (ru) | 1971-09-29 | 1972-09-28 | Способ изготовлени носител магнитной записи |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DD15802171A DD99470A1 (en:Method) | 1971-09-29 | 1971-09-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DD99470A1 true DD99470A1 (en:Method) | 1973-08-13 |
Family
ID=5484391
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DD15802171A DD99470A1 (en:Method) | 1971-09-29 | 1971-09-29 |
Country Status (3)
| Country | Link |
|---|---|
| DD (1) | DD99470A1 (en:Method) |
| DE (1) | DE2246249A1 (en:Method) |
| SU (1) | SU461443A1 (en:Method) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54119904A (en) * | 1978-03-10 | 1979-09-18 | Tdk Corp | Magnetic recording medium |
| JPS582412B2 (ja) * | 1978-05-18 | 1983-01-17 | ティーディーケイ株式会社 | 磁気記録媒体 |
-
1971
- 1971-09-29 DD DD15802171A patent/DD99470A1/xx unknown
-
1972
- 1972-09-21 DE DE19722246249 patent/DE2246249A1/de active Pending
- 1972-09-28 SU SU1835327A patent/SU461443A1/ru active
Also Published As
| Publication number | Publication date |
|---|---|
| SU461443A1 (ru) | 1975-02-25 |
| DE2246249A1 (de) | 1973-04-05 |