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U.S. Department of Health and Human Services

Inventory of Effective Food Contact Substance (FCS) Notifications

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FCN No. 733

 
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Food Contact Substance:  Polyester-polyurethane adhesive formulated from the following: (a) Urethane cross-linking agent, comprising not more than 75 percent by weight of the cured adhesive, prepared by the reaction of a mixture of 3-isocyanatomethyl-3,5,5-trimethylcyclohexyl isocyanate, homopolymer (CAS Reg. No. 53880-05-0) and 1,3-bis(isocyanatomethyl)benzene (CAS Reg. No. 25854-16-4), and a polyester prepared by the reaction of a mixture of acids and alcohols listed in 21 CFR 175.300(b)(3)(vii), (b) Polyester resins prepared by the reaction of a mixture of acids and alcohols listed in 21 CFR 175.300 (b)(3)(vii). Additionally, 1,6-hexanediol may be used as an alcohol reactant. (c) Optional use, in either the urethane cross-linking agent or polyester resin portions of the resin, of: 1) acid anhydride formulated from 3a, 4, 5, 7a-tetrahydro-7-methyl-5- (tetrahydro-2,5-dioxo-3-furanyl) -1,3-isobenzofurandione (CAS Reg. No. 73003-90-4), comprising not more than 3 percent by weight of the cured adhesive, and/or 2) trimethoxysilane coupling agents containing amino, epoxy, ether, or mercapto groups comprising not more than 3 percent by weight of the cured adhesive.
 
Notifier:  Dainippon Ink and Chemicals, Inc.
 
Manufacturer:  Dainippon Ink and Chemicals, Inc.
 
Intended Use:  For use as an adhesive in laminate structures that are intended for use at retort temperatures.
 
Effective Date:  10/03/2007
 
Limitations/Specifications:  For use only in retort pouches intended for use in contact with all food types at temperatures not to exceed 135oC (275oF).
 
Environmental Impact Decisions:  Environmental Decisions Site
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