JPS6440592A - Photochromic composition - Google Patents
Photochromic compositionInfo
- Publication number
- JPS6440592A JPS6440592A JP19638087A JP19638087A JPS6440592A JP S6440592 A JPS6440592 A JP S6440592A JP 19638087 A JP19638087 A JP 19638087A JP 19638087 A JP19638087 A JP 19638087A JP S6440592 A JPS6440592 A JP S6440592A
- Authority
- JP
- Japan
- Prior art keywords
- group
- formula
- alkyl
- aralkyl
- aryl
- 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
Landscapes
- Non-Silver Salt Photosensitive Materials And Non-Silver Salt Photography (AREA)
- Heterocyclic Carbon Compounds Containing A Hetero Ring Having Oxygen Or Sulfur (AREA)
Abstract
PURPOSE:To obtain the titled composition having excellent controllability of light intensity and especially exhibiting good performance when dispersed in a polymer, by using plural kinds of specific photochromic compounds at a specific ratio. CONSTITUTION:The objective composition contains (A) a photochromic compound of formula I [the group of formula II is (substituted)adamantylidene; R1 is H, alkyl, aryl, aralkyl or heterocyclic group; X is O or group of formula III (R2 is H, aryl, alkyl or aralkyl); group of formula IV is aromatic group, unsaturated heterocyclic group or a heterocyclic group condensed with a benzene ring] and (B) one or more photochromic compounds selected from formulas V-VII [the group of formula VIII is (substituted)adamantylidene; R3 is H or alkyl; the group of formula IX is (substituted)norbornylidene; R4 and R5 are H, 1-20C alkyl, aryl or aralkyl]. The weight ratio of A:B is 1:(0.01-100).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP19638087A JPS6440592A (en) | 1987-08-07 | 1987-08-07 | Photochromic composition |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP19638087A JPS6440592A (en) | 1987-08-07 | 1987-08-07 | Photochromic composition |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS6440592A true JPS6440592A (en) | 1989-02-10 |
JPH0523312B2 JPH0523312B2 (en) | 1993-04-02 |
Family
ID=16356907
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP19638087A Granted JPS6440592A (en) | 1987-08-07 | 1987-08-07 | Photochromic composition |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6440592A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7259494B2 (en) | 2004-03-15 | 2007-08-21 | Denso Corporation | Vehicular alternator with a pair of dissimiliar metal alloy collector rings |
-
1987
- 1987-08-07 JP JP19638087A patent/JPS6440592A/en active Granted
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7259494B2 (en) | 2004-03-15 | 2007-08-21 | Denso Corporation | Vehicular alternator with a pair of dissimiliar metal alloy collector rings |
Also Published As
Publication number | Publication date |
---|---|
JPH0523312B2 (en) | 1993-04-02 |
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