𝔖 Bobbio Scriptorium
✦   LIBER   ✦

An Improved head lamp

✍ Scribed by Dr. Harold M. Hays

Book ID
115033515
Publisher
John Wiley and Sons
Year
1921
Tongue
English
Weight
84 KB
Volume
31
Category
Article
ISSN
0023-852X

No coin nor oath required. For personal study only.

πŸ“œ SIMILAR VOLUMES

An improved safety lamp
An improved safety lamp
πŸ“‚ Article πŸ“… 1873 πŸ› Elsevier Science 🌐 English βš– 149 KB
An improved electric lamp
An improved electric lamp
πŸ“‚ Article πŸ“… 1857 πŸ› Elsevier Science 🌐 English βš– 157 KB
Head to head polymersβ€”38. An improved sy
Head to head polymersβ€”38. An improved synthesis of head to head polystyrene
✍ EnikΓΆ FΓΆldes; Gyorgy Deak; Ferenc TΓΌdΓΆs; Otto Vogl πŸ“‚ Article πŸ“… 1993 πŸ› Elsevier Science 🌐 English βš– 665 KB

A greatly improved and very reliable synthesis of head to head polystyrene (HHPS) was worked out. HHPS was prepared in a sequence of four steps starting with a reductive photodimerization of acetophenone. The resultant 2,3-diphenyl-2,3-butanediol was dehydrated in vacuum to 2,3-diphenyl-1,3butadiene