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Effects of atmospheric pollutants at high temperature on the adhesion of RFL‐coated tire cords to rubber
Author(s) -
Hartz R. E.,
Adams H. T.
Publication year - 1977
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.1977.070210218
Subject(s) - ozone , degree of unsaturation , natural rubber , pollutant , adhesion , ultraviolet , nitrogen dioxide , chemistry , photochemistry , ultraviolet light , materials science , composite material , environmental chemistry , polymer chemistry , organic chemistry , optoelectronics
The examination of treating oven pollutant effects on the adhesion of RFL‐coated polyester and nylon tire cord to rubber was conducted using a hot strip adhesion test. Ozone, ultraviolet light, and ozone–ultraviolet light were examined at 140°F. Nitrogen oxides, sulfur dioxide, and air were tested at 320°F. Ozone and ozone–UV (singlet molecular oxygen) systems were many orders of magnitude greater degradants than the other pollutants known to exist in the ovens. The remaining pollutants tested were ranked in order of degradation effect with NO 2 > NO ≫ SO 2 ≡ air ≡ heat alone. The mechanism for adhesion loss involves addition to the olefinic double bonds to reduce unsaturation sites for cure.