This invention relates to novel rosin-alkyl ester of unsaturated fatty acid vinylic polymer and emulsion compositions and the processes for preparing them. In particular, the invention relates to novel rosin-alkyl ester of unsaturated fatty acid vinylic polymer and emulsion compositions which the polymer exhibit properties that make them useful as support resins for industrial coatings, ink and overprint formulations and as additives for formulating various coating compositions; and the emulsion which exhibits properties that make them useful as water-borne vehicles for coatings on various substrates.

 
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> Hydrogenated copolymer, process for producing the same, and hot-melt adhesive composition containing the same

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