Polymacon

Polymacon

Names
IUPAC name 2-Hydroxyethyl 2-methylprop-2-enoate--ethane-1,2-diyl bis(2-methylprop-2-enoate)
Identifiers
CAS Number	25053-81-0^Y
ChemSpider	none
CompTox Dashboard (EPA)	DTXSID40179749
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references

Polymacon is a non-proprietary (i.e., generic) term for a hydrophilic polymer of 2-hydroxyethylmethacrylate (HEMA) cross-linked with ethylene glycol dimethacrylate (62%) and water (38%).^[1] It is used in the manufacture of soft contact lenses, and is considered a low-hydration hydrogel of nonionic polymer.^[2]

References

1. Zia Chaudhuri; Murugesan Vanathi (2012), Postgraduate Ophthalmology, JP Medical Ltd, pp. 79–80, ISBN 978-93-5025-270-3
2. Joseph C. Salamone (23 July 1996), Polymeric Materials Encyclopedia, CRC Press, p. 1507, ISBN 978-0-8493-2470-3