JPS6451440A - Thermal method of regulating structure of crystalline polyorganophosphazene - Google Patents
Thermal method of regulating structure of crystalline polyorganophosphazeneInfo
- Publication number
- JPS6451440A JPS6451440A JP62209492A JP20949287A JPS6451440A JP S6451440 A JPS6451440 A JP S6451440A JP 62209492 A JP62209492 A JP 62209492A JP 20949287 A JP20949287 A JP 20949287A JP S6451440 A JPS6451440 A JP S6451440A
- Authority
- JP
- Japan
- Prior art keywords
- polyorganophosphazene
- crystalline
- alpha
- thermal method
- regulating structure
- 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.)
- Granted
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M5/00—Duplicating or marking methods; Sheet materials for use therein
- B41M5/26—Thermography ; Marking by high energetic means, e.g. laser otherwise than by burning, and characterised by the material used
Landscapes
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Thermal Transfer Or Thermal Recording In General (AREA)
- Polymers With Sulfur, Phosphorus Or Metals In The Main Chain (AREA)
Abstract
PURPOSE:To thermally regulate the structure of a crystalline polyorganophosphazene, by heating or cooling a crystalline polyorganophosphazene with a specified temperature range. CONSTITUTION:A crystalline polyorganophosphazene of the general formula: [(OR)2PN]n (wherein R is a 1-30C alkyl, an aryl or an amino group, and n is an integer of 20-20,000) is heated or cooled within a temperature range from room temperature to 180 deg.C. In this way, the crystal structure of said polyorganophosphazene is changed to another through a cycle of alpha-delta-gamma-alpha. According to this process, changes between the alpha form and the gamma form can be reversibly performed.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62209492A JPH0670139B2 (en) | 1987-08-24 | 1987-08-24 | Method for controlling the thermal structure of crystalline polyorganophosphazene |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62209492A JPH0670139B2 (en) | 1987-08-24 | 1987-08-24 | Method for controlling the thermal structure of crystalline polyorganophosphazene |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS6451440A true JPS6451440A (en) | 1989-02-27 |
JPH0670139B2 JPH0670139B2 (en) | 1994-09-07 |
Family
ID=16573709
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP62209492A Expired - Lifetime JPH0670139B2 (en) | 1987-08-24 | 1987-08-24 | Method for controlling the thermal structure of crystalline polyorganophosphazene |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0670139B2 (en) |
-
1987
- 1987-08-24 JP JP62209492A patent/JPH0670139B2/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
JPH0670139B2 (en) | 1994-09-07 |
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