Tire cord finish, polyester cord produced therewith and tires using the polyester cord

A finish composition for polyester cord which comprises:

• from about 55 to about 60 weight percent of lubricant comprising transesterified high lauric oil and high oleic oil, said lubricant including from about 10 to about 90 percent high lauric oil and from about 10 to about 90 percent high oleic oil;
• from about 15 to about 28 weight percent of emulsifier polyoxyethylene castor oil;
• from about 4 to about 15 weight percent of an emulsifier material selected from the group consisting of triglycerol monooleate, triglycerol dioleate and mixtures thereof;
• from about 7 to about 12 weight percent of emulsifier selected from the group consisting of decaglycerol tetraoleate, decaglycerol pentaoleate and mixtures thereof;
• and
• from about 1 to about 5 weight percent of a suitable antioxidant.

A tire cord comprising polyester fibers having on the surfaces thereof from about 0.6 weight percent to about 1.2 weight percent, based upon the weight of the resulting cord, of a finish composition which comprises:

• from about 55 to about 60 weight percent of a lubricant comprising tranesterified high lauric oil and high oleic oil, said lubricant including from about 10 to about 90 percent high lauric oil and from about 10 to about 90 percent high oleic oil;
• from about 15 to about 28 weight percent of emulsifier polyoxyethylene castor oil;
• from about 4 to about 15 weight percent of an emulsifier material selected from the group consisting of triglycerol monooleate, triglycerol dioleate and mixtures thereof;
• from about 7 to about 12 weight percent of emulsifier selected from the group consisting of decaglycerol tetraoleate, decaglycerol pentaoleate and mixtures thereof;
• and
• from about 1 to about 5 weight percent of a suitable antioxidant.

In a tire including a polyester cord, the improvement consisting of the polyester cord comprising:

• from about 55 to about 60 weight percent of a lubricant comprising transesterified high lauric oil and high oleic oil, said lubricant including from about 10 to about 90 percent high lauric oil and from about 10 to about 90 percent high oleic oil;
• from about 15 to about 28 weight percent of emulsifier polyoxyethylene castor oil;
• from about 4 to about 15 weight percent of an emulsifier material selected from the group consisting of triglycerol monooleate, triglycerol dioleate and mixtures thereof;
• from about 7 to about 12 weight percent of emulsifier selected from the group consisting of decaglycerol tetraoleate, decaglycerol pentaoleate and mixtures thereof;
• and
• from about 1 to about 5 weight percent of a suitable antioxidant.