Westvaco Corporation

Rajnikant Shah

Stanley C Adams

Thomas M Sisson

Warunee S Sisson

This invention relates to novel rosin-fatty acid vinylic polymer compositions that exhibit characteristics which make them useful as grind resins for preparing grind vehicles for ink and coating formulations. In particular, this invention relates to rosin-fatty acid vinylic grind resin compositions obtained from the addition polymerization reaction of a mixture of rosin and fatty acid and a mixture of (meth)acrylic and vinylic monomers.

Rosin-fatty acid vinylic polymers as grind resins and grind vehicles comprising same

Vinylic polymer compositions having a weight average molecular weight in the range of about 4,000 to about 12,000 are produced by reacting, in an addition polymerization reaction, a fatty acid rosin mixture and a monomer mixture at a temperature in the range of about 135&deg; C. to about 175&deg; C. These compositions exhibit properties that make them useful as support resins for ink and overprint formulations and as additives for formulating various coating compositions.

Rosin-fatty acid vinylic polymers

This invention relates to novel rosin-fatty acid vinylic polymer compositions and the process for preparing them. In particular, the invention relates to novel rosin-fatty acid vinylic polymer compositions which exhibit properties that make them useful as support resins for ink and overprint formulations.

Rosin-fatty acid vinylic polymers as ink additives

A rosin fatty acid vinylic emulsion composition produced by (A) polymerizing a mixture of vinylic monomers in the presence of a fatty acid rosin mixture comprising a mixture of fatty acids and rosin, at temperature in the range of about 135&deg; C. to about 175&deg; C., to produce a rosin-fatty acid vinylic polymer having a weight average molecular weight in the range of 4,000 to about 12,000; and (B) subsequently emulsion polymerizing another mixture of vinylic monomers in the presence of the rosin-fatty acid vinylic polymer of step A at temperature in the range of about 20&deg; C. to about 100&deg; C., to produce a rosin-fatty acid vinylic emulsion composition with polymers having a weight average molecular weight in the range of about 40,000 to about 200,000.

Rosin-fatty acid vinylic emulsion compositions

This invention relates to novel rosin-fatty acid vinylic polymer compositions which exhibit properties that make them useful for formulating moisture vapor barrier coatings for paper and other cellulosic base materials. In particular, this invention relates to rosin-fatty acid vinylic polymer moisture barrier coatings obtained from the addition polymerization reaction of a mixture of rosin and fatty acid and a mixture of (meth)acrylic and vinylic monomers.

Rosin-fatty acid vinylic polymers as moisture vapor barrier coatings

This invention relates to novel rosin-fatty acid vinylic polymer compositions and the process for preparing them. In particular, the invention relates to novel rosin-fatty acid vinylic polymer compositions which exhibit properties that make them useful as surface sizing compositions for cellulosic materials.

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Mt. Pleasant, SC, United States of America

Rajnikant Shah