Olefin polymer compositions for use with water systems

Details Olefin polymer compositions for use with water systems Olefin polymer compositions for use with water systems

C - Chemistry, Metallurgy

08

L

117/207, 400/658

C08L 23/02 (2006.01) C08K 5/00 (2006.01) C08K 5/3435 (2006.01) C08K 13/02 (2006.01) C08L 23/20 (2006.01) H01B 3/44 (2006.01)

Patent

CA 1334228

An olefin polymer composition having improved resistance to deterioration in the presence of chlorinated and nonchlorinated water and having improved resistance to temperatures of 0°C to 100°C, comprises a blend of: (a) 93 to 99.5 percent by weight of an isotactic polymer of an alpha olefin of 2 to 6 carbon atoms; (b) 0.05 to 0.50 percent by weight of a hindered amine UV stabilizer; (c) 0.05 to 1.1 by weight of a hindered phenolic thermal stabilizer having a molecular weight above 530; (d) 0 to 0.5 percent by weight of a nucleating agent; (e) 0 to 4 percent by weight of a pigment; (f) 0 to 3.0 percent by weight of a filler; and (g) >0 to 3.0 percent by weight of a chelating agent. The composition can be used to fabricate pipes for carrying water and coatings for wire and cable.

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