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Abstract

A process for a continuous condensation reaction with feedstocks derived from bio-renewable resources, e.g., pine chemical derived feedstock, is disclosed. The process employs at least a multi-stage mixing reactor, selected from any of a multi-stage continuous stirred tank reactor (CSTR), a multi-stage horizontal continuous stirred tank reactor (HCSTR), or a continuous oscillating baffle reactor (COBR). The multi-stage mixing reactors are provided with a plurality of baffles for creating a mixing in a number of stages or cells created by the baffles, allowing the condensation reaction to proceed at a production rate at least twice that of a batch process with reactors of equivalent volume. The feedstocks derived from bio-renewable resources is selected from gum rosin, wood rosin, tall oil rosin and mixtures thereof; and polymeric fatty acids derived from bio-renewable resources such as tall oil.

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First Claim