JPS6010207A - Production of polarizing film - Google Patents
Production of polarizing filmInfo
- Publication number
- JPS6010207A JPS6010207A JP11702583A JP11702583A JPS6010207A JP S6010207 A JPS6010207 A JP S6010207A JP 11702583 A JP11702583 A JP 11702583A JP 11702583 A JP11702583 A JP 11702583A JP S6010207 A JPS6010207 A JP S6010207A
- Authority
- JP
- Japan
- Prior art keywords
- film
- polarizing film
- rolling
- heat
- optical
- 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.)
- Pending
Links
- 238000005096 rolling process Methods 0.000 abstract 4
- 230000003287 optical Effects 0.000 abstract 3
- 239000001045 blue dye Substances 0.000 abstract 1
- 239000011521 glass Substances 0.000 abstract 1
- 239000000203 mixture Substances 0.000 abstract 1
- 230000002093 peripheral Effects 0.000 abstract 1
- 229920000728 polyester Polymers 0.000 abstract 1
- -1 polyethylene terephthalate Polymers 0.000 abstract 1
- 229920000139 polyethylene terephthalate Polymers 0.000 abstract 1
- 239000005020 polyethylene terephthalate Substances 0.000 abstract 1
- 229920000642 polymer Polymers 0.000 abstract 1
- 239000011347 resin Substances 0.000 abstract 1
- 229920005989 resin Polymers 0.000 abstract 1
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/30—Polarising elements
- G02B5/3025—Polarisers, i.e. arrangements capable of producing a definite output polarisation state from an unpolarised input state
- G02B5/3033—Polarisers, i.e. arrangements capable of producing a definite output polarisation state from an unpolarised input state in the form of a thin sheet or foil, e.g. Polaroid
Abstract
PURPOSE:To improve the degree of polarization, optical uniformity, heat resistance, moisture resistance, etc. by obtaining a high polymer film having optical dichroism by rolling alone or combination thereof with tensile stretching. CONSTITUTION:A blue dye having optical dichroism, polyester blue TGSF conc., is added at 0.1wt% to a polyethylene terephthalate resin having 0.70 intrinsic viscosity and 74 deg.C glass transition point Tg to form an unstretched raw sheet of a polarizing film. Such sheet is rolled about 5 times with a pair of rolling rolls. Said film is passed through rolling rolls and is then taken off in tight contact with the rolling roll operating at a high peripheral speed and further the film is heat-set by a far IR heater provided with a reflecting plate in such a way that the heat rays are converged to, for example, 5cm width. As a result, the polarizing film having excellent characteristics as shown in the table is obtd.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11702583A JPS6010207A (en) | 1983-06-30 | 1983-06-30 | Production of polarizing film |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11702583A JPS6010207A (en) | 1983-06-30 | 1983-06-30 | Production of polarizing film |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6010207A true JPS6010207A (en) | 1985-01-19 |
Family
ID=14701577
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11702583A Pending JPS6010207A (en) | 1983-06-30 | 1983-06-30 | Production of polarizing film |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6010207A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013011872A (en) * | 2011-05-30 | 2013-01-17 | Nitto Denko Corp | Polarizing plate with retardation layer |
| JP2013218359A (en) * | 2013-08-02 | 2013-10-24 | Osaka Prefecture Univ | Polarizing plate and dichroism pigment |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57212025A (en) * | 1981-06-23 | 1982-12-27 | Sumitomo Chem Co Ltd | Orientation of polyvinyl alcohol base film |
| JPS5868008A (en) * | 1981-10-20 | 1983-04-22 | Mitsui Toatsu Chem Inc | Color polarizing plate |
| JPS59159109A (en) * | 1983-03-01 | 1984-09-08 | Sumitomo Chem Co Ltd | Polarizing plate having excellent durability |
-
1983
- 1983-06-30 JP JP11702583A patent/JPS6010207A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57212025A (en) * | 1981-06-23 | 1982-12-27 | Sumitomo Chem Co Ltd | Orientation of polyvinyl alcohol base film |
| JPS5868008A (en) * | 1981-10-20 | 1983-04-22 | Mitsui Toatsu Chem Inc | Color polarizing plate |
| JPS59159109A (en) * | 1983-03-01 | 1984-09-08 | Sumitomo Chem Co Ltd | Polarizing plate having excellent durability |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013011872A (en) * | 2011-05-30 | 2013-01-17 | Nitto Denko Corp | Polarizing plate with retardation layer |
| JP2013218359A (en) * | 2013-08-02 | 2013-10-24 | Osaka Prefecture Univ | Polarizing plate and dichroism pigment |
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