2020 Volume 74 Issue 10 Pages 988-994
Harima Chemicals Group, Inc. has been supplying various paper chemicals such as strength and sizing agents for paper and paperboard mills in order to provide desired functions on papers.
Paper and paperboard have been widely used in our life not only for printing, wrapping and transporting purposes but also as food packaging materials such as boxboards, paper plates and beverage cartons. Food packaging materials have been regulated in countries around the world, and paper chemicals used in paper intended to come into contact with food also need to be compliant with the regulations.
In this situation, we have developed and begun sales of polyacrylamide （PAM）type dry strength agents, dispersed rosin sizes which were approved by FDA （Food and Drug Administration） for indirect food additives. Both PAM strength agent which has high molecular weight and amphoteric property, and dispersed rosin size which applied synthetic anionic polymer as an emulsifier, are the first products in the world of paper chemicals to meet FDA regulatory requirements.
The FDA approved PAM strength agent, “Harmide KS series”, and dispersed rosin size, “NeuRoz® series” as well as the efforts to aim for “the development of safe products as indirect food additives” are introduced in this report.
