Fluoroalcohol and use

Fluoroalcohol and use

  • CN 1,600,766 B
  • Filed: 09/14/1999
  • Issued: 05/26/2010
  • Est. Priority Date: 12/28/1998
  • Status: Active Grant
First Claim
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1. make a kind of method of information recording carrier, comprise the following step:

  • (i) dyestuff is dissolved in the solvent of the fluorinated alcohols composition that contains following formula (1);

    H(CFR 1CF 2) nCH 2OH (1) Wherein when n=1, R 1Represent F or CF 3When n=2, R 1Represent F, and Evaporation residue in the fluorinated alcohols composition is not higher than 50ppm;

    (ii) use the dye solution coated substrate that obtains;

    AndThe (iii) drying substrates that will apply and obtain a kind of recording layer that includes dyestuff.

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