Preventing discoloration in an elastomer rubber

A weather strip that exhibits substantial freedom from discoloration after exposure to ozone, said weather strip comprising an at least partially cured elastomer rubber composition that includes:

• a substantially non-polar elastomer rubber;
• and
• a polymer miscible with said elastomer rubber, said polymer including one or more polar functional groups.

A weather strip that exhibits substantial freedom from discoloration after ozone, oxygen and weather exposure, said weather strip comprising an at least partially cured elastomer rubber composition that includes:

• an ethylene-α-olefin-diene base rubber;
• and
• a polymer miscible with said ethylene-α-olefin-diene base rubber, said polymer including one or more polar functional groups selected from the group consisting of maleic anydride, acrylic acid, acrylic acid ethyl ester, acrylic acid butyl ester, N-methylol-acrylimide, N-ethylol-acrylimide and higher homologues of N-ethylol-acrylimide, and allylglycidylether.

A glass run channel that exhibits substantial freedom from discoloration after exposure to ozone, said glass run channel having a longitudinally extending main body member with a generally “U” shaped cross-sectional configuration with a bottom wall and two substantially vertical side walls, at least one sealing lip to engage and seal against a vehicle window, and at least one retention spur to hold the glass run channel securely in a vehicle door frame, further wherein the glass run channel comprises an at least partially cured elastomer rubber composition that includes:

• a substantially non-polar elastomer rubber;
• and
• a compound miscible with said elastomer rubber, said compound including one or more polar functional groups.

A glass run channel that exhibits substantial freedom from discoloration after ozone, oxygen and weather exposure, said weather strip comprising an at least partially cured elastomer rubber composition that includes:

• an ethylene-α-olefin-diene base rubber;
• and
• a polymer miscible with said ethylene-α-olefin-diene base rubber, said polymer including one or more polar functional groups selected from the group consisting of maleic anydride, acrylic acid, acrylic acid ethyl ester, acrylic acid butyl ester, N-methylol-acrylimide, N-ethylol-acrylimide and higher homologues of N-ethylol-acrylimide, and allylglycidylether.

A vehicle seal that exhibits substantial freedom from discoloration after ozone, oxygen and weather exposure, said vehicle seal comprising an at least partially cured elastomer rubber composition that includes:

• a substantially non-polar elastomer rubber;
• and
• a compound miscible with said elastomer rubber, said compound including one or more polar functional groups.

A vehicle seal that exhibits substantial freedom from discoloration after ozone, oxygen and weather exposure, said vehicle seal formed from an at least partially cured elastomer rubber composition that includes:

• an ethylene-α-olefin-diene base rubber;
• and
• a polymer miscible with said ethylene-α-olefin-diene base rubber, said polymer including one or more polar functional groups selected from the group consisting of maleic anydride, acrylic acid, acrylic acid ethyl ester, acrylic acid butyl ester, N-methylol-acrylimide, N-ethylol-acrylimide and higher homologues of N-ethylol-acrylimide, and allylglycidylether.