Repap Technologies Inc.

William H Klingensmith

Jairo H Lora

Michael J Trojan

A tackifier composition for use in rubber compounds is disclosed. The tackifier comprises a pure lignin with a water solubility of up to 1% by weight and a carbohydrate level of less than 50% by weight. In another embodiment of the invention, the pure lignin functions as both a tackifier and an antioxidant. In yet another preferred embodiment of the invention, the improved tackifier produces synergistic results when blended with a commercial tackifier, and the antioxidant likewise yields synergistic results when mixed with a commercial antioxidant.

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Akron, OH, United States of America

William H Klingensmith