| 摘要 |
An optical data storage medium comprises: a) a substrate; b) at least one data layer on substrate (a); and, c) at least one transparent protective layer on data layer (b), the transparent protective layer being formed from a radiation curable acrylate composition and exhibiting upon the cure thereof a modulus of not greater than about 500 MPa, a shrinkage of less than about 8 percent, a scratch resistance of less than about 5 percent and a Tg of from about 20 to about 60° C.
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