Author： Gankov N. Radenkov F. Radenkov M.
Publisher： Springer Publishing Company
ISSN： 0015-0541
Source： Fibre Chemistry, Vol.37, Iss.3, 2005-05, pp. : 199-201
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Abstract
PCA fibre manufactured with copper-containing thermal stabilizers retain initial strength better with prolonged heat treatment. The best results were noted for samples with 2-MeBI + CuCl2 + MgCl2 thermal stabilizer. Fibres containing a Bulgarian thermal stabilizer lose strength more rapidly than the others and to the greatest degree. In treatment at high temperatures (205° C for 16h), all samples lose almost half of the initial strength. The fibres made with the thermal stabilizers 2-MeBI + CuCl2 + MgCl2 have the highest resistance to repeated flexure and the lowest irreversible elongation. As a result of the comprehensive studies of the thermal stabilizers used in production of PCA cord fibres for tires, the thermal stabilizer 2-MeBI + CuCl2 + MgCl2 was found to be the most effective.
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