Chimasorb 944 Singlet oxygen

Pan, J.-Q.
Polym. Degrad. Stab. 32, 219-229 (1991)

Reaction: Chimasorb 944 + ¹O₂^* ® products and/or physical quenching
Solvent: CHCl₃

k = 3.2 × 10⁶(L mol^-1 s^-1), T = 293K

Experimental method: Photolysis
Analytical method: vis-UV absorption
Data type: Derived from steady state measurements using indicator

Photosensitizer = Indicator = Rubrene; used solvent k_d = 1.7 × 10⁴ s^-1; k for indicator = 5.3 × 10⁷ L/(mol·s).

Ballardini, R.; Beggiato, G.; Bortolus, P.; Faucitano, A.; Buttafava, A.; Gratani, F.
Polym. Degrad. Stab. 7, 41-53 (1984)

Reaction: Chimasorb 944 + ¹O₂^* ® products and/or physical quenching
Solvent: Benzene, 80%, Methanol, 20%

k = 2.2 × 10⁶(L mol^-1 s^-1)

Experimental method: Flash photolysis
Analytical method: vis-UV absorption
Data type: Absolute value measured directly using indicator
Excitation wavelength: 694 nm

Photosensitizer = Methylene Blue; Indicator = 1,3-Diphenylisobenzofuran; k calcd. for repeating unit.