Polyolefin fiber and film resistant to gas fade

Details Polyolefin fiber and film resistant to gas fade Polyolefin fiber and film resistant to gas fade

C - Chemistry, Metallurgy

08

K

C08K 5/526 (2006.01) C07F 9/6574 (2006.01) C08K 5/527 (2006.01) D01F 1/10 (2006.01) D01F 6/04 (2006.01) D01F 6/06 (2006.01)

Patent

CA 2156949

A polyolefin composition is provided which is resistant to gas fading upon exposure to atmospheric pollutants. The compositions containing a stabilizing amount of a phosphite of the formula Image wherein Y1 is an alkyl, preferably t-butyl, and Y2 is t-butyl or sec-butyl. Fibers and films made from the composition exhibit improved fade resistance compared to fibers and films made from polyolefins stabilized with various other commercially available phosphite. The compositions also contain an additive selected from hindered phenolic antioxidants and hindered amine light stabilizers.

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