Carbazolyl monomers and polymers

Carbazolyl monomers and polymers

  • CN 101,558,039 A
  • Filed: 11/26/2007
  • Published: 10/14/2009
  • Est. Priority Date: 12/11/2006
  • Status: Active Grant
First Claim
Patent Images

1. the compound of formula IFormula I R is H or alkyl in the formula;

  • R 1, R 2, and R 4Be independently at each occurrence C 1-C 20Aliphatic group, C 3-C 20Aromatic group, perhaps C 3-C 20Alicyclic group;

    R 3And R 5Be independently at each occurrence hydrogen, C 1-C 20Aliphatic group, C 3-C 20Aromatic group, perhaps C 3-C 20Alicyclic group;

    And a, b and d are 0 or 1~

    3 integer independently.

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