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Resin for toner and toner

  • US 9,540,483 B2
  • Filed: 04/08/2014
  • Issued: 01/10/2017
  • Est. Priority Date: 04/09/2013
  • Status: Active Grant
First Claim
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1. A crystalline polyester resin, comprising a condensation polymerization product of:

  • (i) a dicarboxylic acid component containing at least one compound selected from the group consisting of terephthalic acid and terephthalic acid derivatives; and

    (ii) a diol component containing at least one compound selected from the group consisting of 2-methyl-1,3-propanediol and derivatives of 2-methyl-1,3-propanediol,said crystalline polyester resin having a weight-average molecular weight as measured by gel permeation chromatography of 5000 to 50000, anda Young'"'"'s modulus as measured by an ultramicro durometer at 25°

    C. of at least 2 GPa and a melting point of 60°

    C. to 125°

    C.

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