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Effect of mineral and organic acids on radiation grafting of styrene onto polyethylene
Author(s) -
ElAssy Nasef B.
Publication year - 1991
Publication title -
journal of applied polymer science
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.575
H-Index - 166
eISSN - 1097-4628
pISSN - 0021-8995
DOI - 10.1002/app.1991.070420402
Subject(s) - grafting , oxalic acid , styrene , monomer , polyethylene , yield (engineering) , polymerization , low density polyethylene , polymer chemistry , irradiation , mineral acid , chemistry , materials science , nuclear chemistry , organic chemistry , copolymer , polymer , composite material , aqueous solution , physics , nuclear physics
A study has been made on the effect of mineral and organic acids on the radiation‐induced graft polymerization of styrene onto low‐density polyethylene films. Effects of different solvents and dose rate of irradiation on the grafting yield were also investigated. The influence of irradiation time and monomer concentration in the presence and absence of acid on the initial rate and grafting yield was studied. The dependence of the grafting rate on monomer concentration was found to be of the order 1.34 (in absence of acid), 0.61 (in presence of HCl), and 1.25 (in presence of oxalic acid). Such acid enhancement of the radiation grafting process is of practical importance from an economical point of view.