| abstract |
Polyolefin, peroxide and sulfur-containing antioxidant are included, the peroxide is present in an amount corresponding to X mmol of -OO-/kg polymer composition, and the sulfur-containing antioxidant is Y mmol of -OH/kg polymer composition Is present in an amount corresponding to, and Y 1 = Y = Y 2 , X = 45 and 0.9 * Y + m = X = n-k * Y, wherein Y 1 is 0.50 and Y 2 is 10, and m is 0.8, n is 70 and k is 4.7; And the polymer composition has a melt flow index (MFR) of less than 1.7, and the polymer composition is 2,4-diphenyl-4-methyl-1-pentene ), a polymer composition comprising less than 0.05% (wt%) by weight; Crosslinked polymer compositions, and their use, power cable insulation, utility in power cables, high voltage direct current (HV DC) and ultra high voltage direct current (EHV DC) applications, and methods for reducing the electrical conductivity of crosslinked polymer compositions. will be. |