COLORED RESIN COMPOSITION RESISTANT TO CHLORINE-CONTAINING WATER AND PIPE FOR WATER SERVICE

PROBLEM TO BE SOLVED: To obtain the subject composition capable of providing pipes excellent in chlorine-containing water resistance and weather resistance and useful in the field of water service, etc., by including a pigment and a specific benzophenone compound in a specific ratio in a polyolefin...

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Bibliographische Detailangaben
Hauptverfasser: SAKUMA KANA, NAKANE IZUMI, IGUCHI AKIYOSHI
Format: Patent
Sprache:eng
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Zusammenfassung:PROBLEM TO BE SOLVED: To obtain the subject composition capable of providing pipes excellent in chlorine-containing water resistance and weather resistance and useful in the field of water service, etc., by including a pigment and a specific benzophenone compound in a specific ratio in a polyolefin resin. SOLUTION: This colored resin composition comprises (A) 100 pts.wt. of a polyolefin resin such as high density or linear low density polyethylene, (B) 0.005-10 pts.wt. of a pigment such as titanium dioxide, cobalt blue a benzimidazole pigment, and (C) 0.005-2 pts.wt. of a benzophenone compound such as 2-hydroxy-4-methoxybenzophenone, 2-hydroxy-4-n-butoxybenzophenone or 2-hydroxy-4-n-dodesiloxybenzophenone.