SEMICONDUCTIVE POLYMER COMPOSITION
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United States of America Patent
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Issued Date -
May 9, 2024
app pub date -
Mar 15, 2022
filing date -
Mar 16, 2021
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Abstract
A semiconductive polymer composition comprising: (a) an ethylene C1-2-alkyl (meth)acrylate copolymer having an MFR2 of 4.5 g/10 min or more and a C1-2-alkyl (meth)acrylate content of at least 9.0 wt % based on the total weight of the ethylene C1-2-alkyl alkyl (meth)acrylate copolymer; (b) 35.0 to 48 wt % carbon black having an iodine adsorption number of 85 to 140 mg/g (ASTM D 1510-19a), an oil absorption number of 90 to 110 ml/100 g (ASTM D 2414-19) and an average primary particle size of 29 nm or less (ASTM D 3849-14a); and (c) 0.05 to 2.0 wt % of at least one antioxidant; all weight percentages being based on the total weight of the semiconductive polymer composition, unless mentioned otherwise.
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