JPH0450662B2 - - Google Patents
Info
- Publication number
- JPH0450662B2 JPH0450662B2 JP59115275A JP11527584A JPH0450662B2 JP H0450662 B2 JPH0450662 B2 JP H0450662B2 JP 59115275 A JP59115275 A JP 59115275A JP 11527584 A JP11527584 A JP 11527584A JP H0450662 B2 JPH0450662 B2 JP H0450662B2
- Authority
- JP
- Japan
- Prior art keywords
- degree
- polymerization
- polyvinyl acetal
- birefringence
- information recording
- 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.)
- Expired - Lifetime
Links
- 238000006116 polymerization reaction Methods 0.000 claims description 24
- 239000004372 Polyvinyl alcohol Substances 0.000 claims description 16
- 229920002451 polyvinyl alcohol Polymers 0.000 claims description 16
- 238000006359 acetalization reaction Methods 0.000 claims description 15
- 230000003287 optical effect Effects 0.000 claims description 15
- 229920003002 synthetic resin Polymers 0.000 claims description 13
- 239000000057 synthetic resin Substances 0.000 claims description 13
- DHKHKXVYLBGOIT-UHFFFAOYSA-N acetaldehyde Diethyl Acetal Natural products CCOC(C)OCC DHKHKXVYLBGOIT-UHFFFAOYSA-N 0.000 description 29
- 125000002777 acetyl group Chemical class [H]C([H])([H])C(*)=O 0.000 description 29
- 229920002554 vinyl polymer Polymers 0.000 description 24
- AMIMRNSIRUDHCM-UHFFFAOYSA-N Isopropylaldehyde Chemical compound CC(C)C=O AMIMRNSIRUDHCM-UHFFFAOYSA-N 0.000 description 10
- 238000001746 injection moulding Methods 0.000 description 9
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 8
- KVFDZFBHBWTVID-UHFFFAOYSA-N cyclohexanecarbaldehyde Chemical compound O=CC1CCCCC1 KVFDZFBHBWTVID-UHFFFAOYSA-N 0.000 description 8
- 239000002244 precipitate Substances 0.000 description 8
- 239000000047 product Substances 0.000 description 7
- 150000001299 aldehydes Chemical class 0.000 description 5
- 238000000465 moulding Methods 0.000 description 5
- 238000010521 absorption reaction Methods 0.000 description 4
- 238000002347 injection Methods 0.000 description 4
- 239000007924 injection Substances 0.000 description 4
- 239000000758 substrate Substances 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- -1 aliphatic aldehydes Chemical class 0.000 description 3
- ZTQSAGDEMFDKMZ-UHFFFAOYSA-N butyric aldehyde Natural products CCCC=O ZTQSAGDEMFDKMZ-UHFFFAOYSA-N 0.000 description 3
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 3
- 239000004417 polycarbonate Substances 0.000 description 3
- 239000004926 polymethyl methacrylate Substances 0.000 description 3
- 238000007127 saponification reaction Methods 0.000 description 3
- 229920005992 thermoplastic resin Polymers 0.000 description 3
- NBBJYMSMWIIQGU-UHFFFAOYSA-N Propionic aldehyde Chemical compound CCC=O NBBJYMSMWIIQGU-UHFFFAOYSA-N 0.000 description 2
- HUMNYLRZRPPJDN-UHFFFAOYSA-N benzaldehyde Chemical compound O=CC1=CC=CC=C1 HUMNYLRZRPPJDN-UHFFFAOYSA-N 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 239000012153 distilled water Substances 0.000 description 2
- ZXEKIIBDNHEJCQ-UHFFFAOYSA-N isobutanol Chemical compound CC(C)CO ZXEKIIBDNHEJCQ-UHFFFAOYSA-N 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- UIIMBOGNXHQVGW-DEQYMQKBSA-M Sodium bicarbonate-14C Chemical compound [Na+].O[14C]([O-])=O UIIMBOGNXHQVGW-DEQYMQKBSA-M 0.000 description 1
- IKHGUXGNUITLKF-XPULMUKRSA-N acetaldehyde Chemical compound [14CH]([14CH3])=O IKHGUXGNUITLKF-XPULMUKRSA-N 0.000 description 1
- 239000003377 acid catalyst Substances 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 150000003934 aromatic aldehydes Chemical class 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229940035429 isobutyl alcohol Drugs 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 description 1
- 210000004400 mucous membrane Anatomy 0.000 description 1
- QNGNSVIICDLXHT-UHFFFAOYSA-N para-ethylbenzaldehyde Natural products CCC1=CC=C(C=O)C=C1 QNGNSVIICDLXHT-UHFFFAOYSA-N 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
- HGBOYTHUEUWSSQ-UHFFFAOYSA-N valeric aldehyde Natural products CCCCC=O HGBOYTHUEUWSSQ-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
- G11B7/241—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material
- G11B7/252—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers
- G11B7/253—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers of substrates
- G11B7/2533—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers of substrates comprising resins
Landscapes
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Optical Record Carriers And Manufacture Thereof (AREA)
- Thermal Transfer Or Thermal Recording In General (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP59115275A JPS60259496A (ja) | 1984-06-05 | 1984-06-05 | 光学式情報記録体 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP59115275A JPS60259496A (ja) | 1984-06-05 | 1984-06-05 | 光学式情報記録体 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS60259496A JPS60259496A (ja) | 1985-12-21 |
| JPH0450662B2 true JPH0450662B2 (enrdf_load_stackoverflow) | 1992-08-14 |
Family
ID=14658625
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP59115275A Granted JPS60259496A (ja) | 1984-06-05 | 1984-06-05 | 光学式情報記録体 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60259496A (enrdf_load_stackoverflow) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE68911177T2 (de) * | 1988-03-16 | 1994-06-30 | Sharp Kk | Verfahren zu Steuerung des Transports eines lichtempfindlichen Trägers. |
| US10717862B2 (en) * | 2018-07-11 | 2020-07-21 | Solutia Inc. | Poly(vinyl acetal) resin compositions, layers, and interlayers having enhanced properties |
-
1984
- 1984-06-05 JP JP59115275A patent/JPS60259496A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS60259496A (ja) | 1985-12-21 |
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