Partially hydrogenated bisphenol-A-based polymers as substitutes for bisphenol-A-based polymers
Partially hydrogenated bisphenol-A based polymers. Coating compositions for food or beverage containers and medical devices, including a partially hydrogenated bisphenol-A based polymer. Food or beverage containers and medical devices coated with partially hydrogenated bisphenol-A based polymers. Food or beverage containers and medical devices made from partially hydrogenated bisphenol-A based polymers.
1. A polymer, comprising at least one repeating unit, wherein the repeating unit is a partially hydrogenated bisphenol-A containing unit of formula (I):
wherein the dashed line indicates the presence of one or two double bonds at any position within each ring.
2. The polymer of claim 1 , wherein the polymer is an epoxy resin.
3. The polymer of claim 1 , wherein the polymer is cross-linked with a diisocyanate or a polyisocyanate resin to form a polyurethane.
4. The polymer of claim 3 , wherein the polymer is cross-linked with a diisocyanate selected from the group consisting of methylene-bis-(4-cyclohexylisocyanate), hexamethylene diisocyanate, diphenylmethane diisocyanate, toluene diisocyanate, and isophorone diisocyanate or is cross-linked with a polyisocyanate resin based on a diisocyanate selected from the group consisting of methylene-bis-(4-cyclohexylisocyanate), hexamethylene diisocyanate, diphenylmethane diisocyanate, toluene diisocyanate, and isophorone diisocyanate.
5. A composition comprising a polymer comprising at least one repeating unit of formula (I):
wherein the dashed line indicates the presence of one or two double bonds at any position within each ring, and the composition is formulated for coating a food or beverage container or a medical device.
6. A food or beverage container or a medical device, comprising a surface coated at least in part with a coating composition a polymer comprising at least one repeating unit of formula (I):
wherein the dashed line indicates the presence of one or two double bonds at any position within each ring.
7. A food or beverage container or a medical device, comprising a surface, wherein the surface comprises a polymer comprising at least one repeating unit of formula (I):
wherein the dashed line indicates the presence of one or two double bonds at any position within each ring.
8. The polymer of claim 1 , wherein the at least one repeating unit has a formula selected from the group consisting of