| 摘要 |
Polymeric materials represented by the general structure <IMAGE> WHERE Q is a polymeric setment of ethylenically unsaturated monomers, lacking Zerewitinoff hydrogen atoms; X is the residue of a chain transfer agent; Y is the residue of a di-, tri, or tetraisocyanate radical after removal of isocyanage groups; A is the residue of a mercapto-, hydroxy-, or amino-alkyl alkoxy silane radical; and M AND N ARE 1, 2 OR 3, (THE TOTAL NOT EXCEEDING 4), ARE USEFUL AS PIGMENT DISPERSING AIDS IN COATING COMPOSITIONS.
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