Photolysis of Butene-1 at 1849Å

Photolysis of cis-Hexene-2 and cis-Butene-2 at 2026 and 2062 A

Photodissociation of 1-bromo-2-butene, 4-bromo-1-butene, and cyclopropylmethyl bromide at 234 nm studied using velocity map imaging.

We present photofragment imaging experiments to characterize potential photolytic precursors of three C4H7 radical isomers: 1-methylallyl, cyclopropylmethyl, and 3-buten-1-yl radicals. The experiments use 2+1 resonance enhanced multiphoton ionization (REMPI) with velocity map imaging to state-selectively detect the Br(2P(3/2)) and Br(2P(1/2)) atoms as a function of their recoil velocity imparte...

Predicting Solubility of Isotactic Poly (1-Butene) in Different Organic Solvents by Modified UNIQUAC

The UNIQUAC activity coefficient model is extended to predict solid-liquid equilibrium of isotactic crystalline poly (1-butene), iPBu-1, in different organic solvents. The UNIQUAC activity coefficient model used in this work is based on the concept of group contribution and consists of combinatorial, residual and free volume terms. To account for branching of atom groups in the monomer structur...

Relative 0 ( 1 D ) Quantum Yields in the near U V Photolysis of Ozone at 298

Mixtures of 0 3 with excess N 2 0 were photolysed in the wavelength region 290 — 335 nm using monochromatic light with a band width of 4 nm. The resulting primary product atomic singlet oxygen, 0 ( 1 D ) , in reacting with N 2 0 produces in part NO which subsequently reacts with 0 3 giving rise to a weak infrared chemiluminescence. The emission was monitored with a cooled photomultiplier. The e...

Expected nucleation effects of carboxylic acid salts on poly(1-butene)

9,10-Dihydro-9,10-ethano-anthracene-11,12-dicarboxylic acid disodium salt (DHEAS) was synthesized and used as a nucleating agent for poly(1-butene) (iPB). The isothermal crystallization kinetics of iPB having different nucleating agents were investigated by differential scanning calorimetry (DSC) and polarized optical microscopy (POM). The results showed that the nucleating agents increased the...