Can with bisphenol A capture system
First Claim
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1. A metal can comprising:
- an interior surface coated with a single electrospun coating comprising both a bisphenol A containing polymer and a bisphenol A binding material;
wherein the bisphenol A binding material binds substantially all of the bisphenol A leaching from the bisphenol A containing polymer; and
wherein the ratio of the bisphenol A binding material to the bisphenol A containing polymer is from 20 weight percent to 70 weight percent.
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Abstract
The present technology provides a bisphenol A capture system for food and beverage containers which include BPA-containing coatings. The capture system is made of one or more materials which bind any BPA eluting from the BPA-containing coating. The present capture system therefore reduces or prevents BPA from migrating from the can coating into the food or beverages stored in the can. The present technology further provides methods of manufacturing and using such coatings.
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Citations
17 Claims
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1. A metal can comprising:
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an interior surface coated with a single electrospun coating comprising both a bisphenol A containing polymer and a bisphenol A binding material; wherein the bisphenol A binding material binds substantially all of the bisphenol A leaching from the bisphenol A containing polymer; and
wherein the ratio of the bisphenol A binding material to the bisphenol A containing polymer is from 20 weight percent to 70 weight percent. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A method of manufacturing comprising:
forming a single electrospun coating comprising both a bisphenol A containing polymer and a bisphenol A binding material on a metal substrate;
wherein the ratio of the bisphenol A binding material to the bisphenol A containing polymer is from 20 weight percent to 70 weight percent.- View Dependent Claims (11, 12, 13, 14, 15, 16)
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17. A method comprising:
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filling a can in whole or in part with a food or a beverage, wherein the can comprises an interior surface coated with a single electrospun coating comprising both a bisphenol A containing polymer and a bisphenol A binding material;
wherein the ratio of the bisphenol A binding material to the bisphenol A containing polymer is from 20 weight percent to 70 weight percent.
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Specification