Oligomeric polysiloxanes having the spirobenzopyran moiety and various substituents were prepared. The polymers were photochromic; the color changed from colorless to red on U V irradiation and the color faded on visible irradiation or on standing in the dark. The thermal decoloration was depressed
✦ LIBER ✦
Effect of a methyl substituent in the polymerization–crosslinking treatment of cotton with NMMA and NMA
✍ Scribed by Frederick F. Shih; Stanley P. Rowland
- Publisher
- John Wiley and Sons
- Year
- 1981
- Tongue
- English
- Weight
- 587 KB
- Volume
- 26
- Category
- Article
- ISSN
- 0021-8995
No coin nor oath required. For personal study only.
📜 SIMILAR VOLUMES
Polymeric siloxanes with a substituent a
✍
Ren Nakao; Norikazu Ueda; Yasuo Abe; Toyokazu Horii; Hiroo Inoue
📂
Article
📅
1996
🏛
John Wiley and Sons
🌐
English
⚖ 314 KB
👁 2 views
The effect of multiple swelling treatmen
✍
A. Venkatraman; D. R. Subramanian; B. R. Manjunath; M. R. Padhye
📂
Article
📅
1977
🏛
John Wiley and Sons
🌐
English
⚖ 381 KB
👁 2 views
Attenuation of α- and β-methyl effects i
✍
Jacques-Emile Dubois; Jean Toullec; Géo Barbier
📂
Article
📅
1970
🏛
Elsevier Science
🌐
French
⚖ 192 KB
On the gel effect in the presence of a c
✍
X. Wang; E. Ruckenstein
📂
Article
📅
1993
🏛
John Wiley and Sons
🌐
English
⚖ 747 KB
Effect of substituents at position 4 on
✍
L. Porri; M.C. Gallazzi
📂
Article
📅
1966
🏛
Elsevier Science
🌐
English
⚖ 551 KB
Abstraet--4.Methyl-l,3-pentadiene has been polymerized by heterogeneous catalysts from AI(C2Hs) 3 and either TIC14, TIC13 or VCI3, to give polymers having almost exclusively 1,2 units, and showing crystallinity attributable to 1,2 isotactic sequences. Homogeneous systems from AI(C2Hs)3 and either a
Reductive Activation of Arenes. Part 17.
✍
T. A. Vaganova; V. D. Shteingarts
📂
Article
📅
2005
🏛
John Wiley and Sons
⚖ 13 KB
👁 2 views