Kinetics of OH- and Cl-initiated oxidation of CH2=CHC(O)O(CH2)2CH3 and CH2=CHCH2C(O)O(CH2)2CH3 and fate of the alkoxy radicals formed

被引：7
|
作者：
Rivela, Cynthia [1 ]
Blanco, Maria B. [1 ]
Teruel, Mariano A. [1 ]
机构：
[1] Univ Nacl Cordoba, Fac Ciencias Quim, CONICET, INFIQC,Dept Fis Quim, Ciudad Univ, RA-5000 Cordoba, Argentina
来源：
CHEMICAL PHYSICS LETTERS | 2016年 / 652卷
关键词：
GAS-PHASE REACTION; REACTION-RATE CONSTANTS; ALLYL ACETATE; ATMOSPHERIC OXIDATION; STRUCTURE-REACTIVITY; UNSATURATED ESTERS; BUTYL ACRYLATE; DEGRADATION; OZONE; METHACRYLATE;
D O I：
10.1016/j.cplett.2016.04.019
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
Rate coefficients of the reactions of OH and Cl radicals with vinyl and allyl butyrate were determined for the first time at 298 K and 1 atm using the relative method to be (in cm(3) molecule (1) s (1)): k(1)(OH + CH2= CHC(O)O(CH2)(2)CH3) = (2.61 +/- 0.31) x 10 (11), k(2)(Cl + CH2=CHC(O)O(CH2)(2)CH3)= (2.48 0.89) x 10 (10), k(3)(OH + CH2=CHCH2C(O)O(CH2)(2)CH3) = (2.89 0.31) x 10 (11), and k(4)(Cl + CH2=CHCH2C(O)O(CH2)(2)CH3) (2.25 0.96) x 10 (10). Reactivity trends and atmospheric lifetimes of esters are presented. Additionally, a product study shown butyric acid and polifunctional products for the reactions of vinyl and allyl butyrate, respectively and general mechanism is proposed. (C) 2016 Elsevier B.V. All rights reserved.
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页码：86 / 92
页数：7
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