| http://www.w3.org/ns/prov#value | - Ionomers are typically derived from copolymers of an olefin, e.g., ethylene, and an ??,??-unsaturated carboxylic acid, e.g., acrylic acid, methacrylic acid, or maleic acid, that are partially neutralized with metal ions such as sodium, lithium, zinc, or magnesium ions, as disclosed in U.S. Pat. Nos. 3,264,272 and 3,404,134.
|
