Resin for Oxygen-absorbing Adhesive and Oxygen-absorbing Adhesive
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United States of America Patent
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Issued Date -
Jun 6, 2013
app pub date -
Aug 16, 2011
filing date -
Aug 19, 2010
priority date (Note) -
Abandoned
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Abstract
The purpose of the present invention is to provide a two-component curable oxygen-absorbing resin composition that has both oxygen-absorbing and adhesive properties and cohesive power. The resin for an oxygen-absorbing adhesive is a polyester comprising structural units derived from an acid component (A) and an acid component (B), wherein the ratio of the acid component (A) to total acid components is 70 to 95 mol %, the ratio of the acid component (B) to total acid components is 0 to 15 mol %, the polyester has a glass transition temperature of −20° C. to 2° C., the resin is cured using a hardening agent, the acid component (A) is tetrahydrophthalic acid or a derivative thereof, or tetrahydrophthalic acid anhydride or a derivative thereof, and the acid component (B) is phthalic acid.
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