| 摘要 |
1. A support material in the form of plates, sheets or webs for offset printing plates, composed of aluminum, which may have been pretreated, or its alloys, carrying on at least one side a hydrophilic coating of a phosphonic acid compound, wherein the hydrophilic coating comprises a) a polymer of acrylamidoisobutylenephosphonic acid or b) a copolymer of acrylamide and acrylamidoisobutylenephosphonic acid or c) a salt of a) or b) with an at least divalent metal cation. |
