Cpc International, Inc.

Corn Products International, Inc.

Jack R Wallace

Larry E Fitt

James J Pienkowski

J E Giesfeldt

Tammi Brandt-Janel

Je Todd Giesfeldt

Roman Skuratowicz

J E Todd Giesfeldt

Starch-based corrugating adhesives of the carrier, no-carrier and carrier-no-carrier type having improved green strength and water resistance are prepared by adding hemicellulose to the adhesive composition. When the adhesive is the carrier type or the carrier-no-carrier type, the hemicellulose can be extracted from corn fiber in situ during the process of preparing the carrier phase.

Starch-hemicellulose adhesive for high speed corrugating

Corrugating adhesives of the carrier, no-carrier and carrier-no-carrier type having excellent dry pin adhesion, green strength and improved water resistance are prepared with solubilized fiber as a complete or partial substitute for starch. The adhesive composition contains solubilized fiber and, optionally, from about 0.1% to about 99% added starch by weight based on total solubilized fiber and added starch. When the adhesive is the carrier type or the carrier-no-carrier type, the fiber, preferably corn fiber, can be solubilized in situ during the process of preparing the carrier phase.

High speed corrugating adhesive incorporating solubilized cellulosic fiber

A dry blend pre-mixture composition for use in making corrugating adhesives is comprised of starch and from about 5% to about 20% of ground plant germ. The starch and germ can be derived from various plant sources and in a preferred embodiment the starch is corn starch and the germ is ground corn germ, also known as spent flake. The corrugating adhesives can be prepared by using the pre-mixture as a replacement for starch in a process for making a carrier, no-carrier or carrier-no-carrier adhesive.

Starch replacement composition for corrugating adhesives and the

Carrier-type corrugating adhesives are prepared using a carrier phase comprising a combination of tapioca fiber and corn fiber or tapioca fiber and spent germ flake as a substitute for modified or unmodified corn starch to provide an adhesive composition.

Corrugating adhesives employing tapioca fiber

An instant corrugating adhesive composition comprising a dry blend of starch and a dried pre-solubilized cellulosic extract. The composition can easily be rehydrated with water to make a corrugating adhesive. The corrugating adhesive is formulated without boron compounds and with minimal or no addition of alkali. The dried pre-solubilized cellulosic extract, which includes hemicellulose as a major component, functions as the carrier portion of the corrugating adhesive. No initial cooking step is required to make the carrier and rehydration can be conducted at ambient temperatures.

Instant corrugating adhesive

Corrugating adhesives of the carrier, no-carrier and carrier-no-carrier type having excellent dry pin adhesion, green strength and improved water resistance are prepared with solubilized plant fiber as a complete or partial substitute for starch. The adhesive composition contains polyvinyl alcohol, solubilized fiber and, optionally, from about 0.1% to about 99% added starch by weight based on total solubilized fiber and added starch. When the adhesive is the carrier type or the carrier-no-carrier type, the fiber can be solubilized in situ during the process of preparing the carrier phase.

Corrugating adhesive incorporating solubilized cellulosic fiber and

A high speed corrugating adhesive having a carrier phase comprised of starch, modified starch or dextrin and polyvinyl alcohol in an aqueous emulsion wherein a cold water soluble, partially hydrolyzed, polyvinyl alcohol is used as a starting material. The polyvinyl alcohol is further hydrolyzed in situ to a degree of hydrolysis of more than about 95% by heating it in the presence of water, caustic, and starch, modified starch or dextrin. The carrier phase is admixed with a boron containing compound and a suspension of water and starch to prepare the corrugating adhesive for use in a corrugating machine.

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Bolingbrook, IL, United States of America

Jack R Wallace