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Patent -
This invention relates to a starch adhesive mixed with zeolite powder to provide a suitable absorption function for corrugated cardboard. The adhesive comprises: corn starch as a main ingredient, zeolite powder suitably mixed with the corn starch, water, and additives like caustic soda and borax. The corn starch is mixed with zeolite powder in an amount of zeolite powder being 33% of the total...
Source : Chen Y., Wang, J., and Tsai, Y., “Zeolite Starch Adhesive for Corrugated Cardboards and Method for Making the Same”, US Patent Application 2010/0032092, February 11, 2010.