Claims
- 1. A sulfur vulcanized rubber compound comprising a sulfur vulcanized rubber, from about 0.1 to about 10.0 phr of a maleamic acid of the formula: ##STR6## wherein R and R.sup.1 are individually selected from the group of radicals consisting of hydrogen, an alkyl having 1 to 4 carbon atoms or a halogen; R.sup.2 is selected from the group of radicals consisting of 1 to 12 carbon atoms and n has a value of from zero to 4.
- 2. The compound of claim 1 wherein R each is hydrogen, n is zero and that R.sup.2 is an alkyl having 1 carbon atom.
- 3. The compound of claim 1 wherein the oligomeric maleimide or maleamic acid ranges from about 0.5 to about 5.0 phr.
- 4. The compound of claim 1 wherein R are each hydrogen, n is zero and R .sup.2 are each an alkyl having 1 carbon atom.
- 5. The compound of claim 1 wherein the amount of oligomeric maleimide or maleamic acid ranges from about 0.5 to about 5.0 phr.
Parent Case Info
This is a divisional of application Ser. No. 07/774,426, filed on Oct. 10, 1991, U.S. Pat. No. 5,278,242.
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Divisions (1)
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Number |
Date |
Country |
Parent |
774426 |
Oct 1991 |
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