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Interaction between singlet oxygen (1Δg) and model compounds for polymers. A flash photolytic study

✍ Scribed by Pietro Bortolus; Sergio Dellonte; Giancarlo Beggiato; Walter Corio

Book ID
103071220
Publisher
Elsevier Science
Year
1977
Tongue
English
Weight
278 KB
Volume
13
Category
Article
ISSN
0014-3057

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✦ Synopsis

The role of singlet molecular oxygen (lAg) in the photodegradation of plastics has received increased attention in recent years. The quenching of zO 2 (lAg) by compounds regarded as models for polymers was studied in CC14 solution to obtain information about attack at various sites in the polymeric chain.

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The interaction of singlet molecular oxy
The interaction of singlet molecular oxygen O2(1Δg) with indolic derivatives. Distinction between physical and reactive quenching
✍ M.C. Palumbo; N.A. García; Gustavo A. Argüello 📂 Article 📅 1990 🏛 Elsevier Science 🌐 English ⚖ 671 KB

A number of indolic compounds were studied as quenchers of singlet molecular oxygen. O&A,) generated by photosensitization. The ratio of the chemical (reactive) and physical quenching paths was a function of the substitution pattern of the quencher. Indoles substituted in position 3 gave measurable