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Hydrophilic surface treating aqueous solution, hydrophilic surface treating method and hydrophilic surface treating film

  • US 5,478,872 A
  • Filed: 05/06/1994
  • Issued: 12/26/1995
  • Est. Priority Date: 05/07/1993
  • Status: Expired due to Term
First Claim
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1. A hydrophilic surface treating aqueous solution comprising:

  • (I) a polyethylene oxide or ethylene oxide/propylene oxide copolymer containing polyoxyalkylene chain in an amount of 10 wt % or more in terms of solid content and having a weight-average molecular weight of 10,000 to 2,000,000 in an amount of 10-78 parts by weight;

    (II) at least one resin selected from the group consisting of polyvinyl alcohol, polyvinyl pyrrolidone and carboxyl methylcellulose in an amount of 10-78 parts by weight;

    (III) 10-70 parts by weight of N-methylol acrylamide; and

    at least one member selected from the group consisting of homopolymers of acrylic acid or methacrylic acid and copolymers of acrylic acid or methacrylic acid comprising at least one of said acids, in an amount of 2-70 parts by weight.

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