A new polymer composition, power cable insulation and power cable
The present invention relates to a polymer composition comprising a polyolefin, peroxide and a sulphur containing antioxidant, wherein said peroxide is present in an amount which corresponds to X mmol -0-0-/kg polymer composition and said sulphur containing antioxidant is present in an amount which...
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Main Authors | , , , , |
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Format | Patent |
Language | Chinese English |
Published |
03.08.2016
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Subjects | |
Online Access | Get full text |
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Summary: | The present invention relates to a polymer composition comprising a polyolefin, peroxide and a sulphur containing antioxidant, wherein said peroxide is present in an amount which corresponds to X mmol -0-0-/kg polymer composition and said sulphur containing antioxidant is present in an amount which corresponds to Y mmol -OH /kg polymer composition, wherein Y1<= Y <= Y2, X <= 45 and 0.9 * Y + m <= X <= n -k * Y, wherein Y1 is 0.50 and Y2 is 10, and m is 0.8, n is 70 and k is 4.7; and wherein said polymer composition has a melt flow rate (MFR) which is at least 1.7, and said polymer composition comprises less than 0.05 % by weight (wt%) 2,4-Diphenyl-4-methyl-1-pentene; a crosslinked polymer composition, and use thereof, a power cable insulation, a power cable, useful in high voltage (HV DC) and extra high voltage (EHV DC) direct current applications, and a method for reducing electrical conductivity of a crosslinked polymer composition.
本发明涉及在高压(HV DC)和超高压(EHV DC)直流应用中有用的种聚合物组合物、种经交联的聚合物组合物及其用途、电力电缆绝缘、电力电缆和用于降低 |
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Bibliography: | Application Number: CN201480069540 |