Name BIS-HEMA IPDI/PEG-4 COPOLYMER Description Bis-HEMA IPDI/PEG-4 Copolymer is a copolymer of PEG-4 and isophorone diisocyanate (IPDI) end-capped with hydroxyethyl methacrylate (HEMA). Benefits FILM FORMING Considerations • Ethoxylated Chemical This is an ethoxylated chemical, meaning it’s been created with ethylene oxide, traces of which, along with its carcinogenic byproduct, 1,4-dioxane, can remain in the product.
• Endocrine Disruption
PEGs have been associated with reproductive toxicity and xenoestrogenic properties. Research Sources https://link.springer.com/article/10.1007/s12595-021-00412-3#:~:text=Among%20other%20EDCs%20in%20personal,health%20especially%20on%20female%20reproduction https://www.epa.gov/assessing-and-managing-chemicals-under-tsca/final-risk-evaluation-14-dioxane Summary Contamination concerns (carcinogenic ethylene oxide and/or 1,4-dioxane), suspected endocrine disruption.
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