Substrate for optical recording media

Details Substrate for optical recording media Substrate for optical recording media

G - Physics

11

B

402/65

G11B 7/24 (2006.01) C08F 8/28 (2006.01) G11B 7/253 (2006.01)

Patent

CA 1239727

Abstract of the Disclosure: A substrate for optical recording media, said substrate being composed of a polyvinylacetal resin re- sulting from acetalization of polyvinylalcohol to a degree of at least 60 mole% with at least one acetalizing agent selected from the group consisting of aliphatic aldehydes, alicyclic aldehydes, aromatic aldehydes and heterocyclic aldehydes.

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