Title: Polymeric materials with silane end groups

Abstract: Polymeric materials represented by the general structure ##STR1## 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 aminoalkyl 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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Inventors: Jones, Frank N. (Louisville, KY, US)

Application Number: 739285
Filing Date: 1976-11-05
Publication_date: 1977-09-13
Assignee: E. I. Du Pont de Nemours and Company (Wilmington, DE)
Primary Class(es): 556/420 525/342, 526/128
Other Classes:
US Patent Ref:

3658864	Apr, 1972	Gocitz et al.	260/448.
3878263	Apr, 1975	Martin	260/448.
3922436	Nov, 1975	Bell et al.	260/448.
3940360	Feb, 1976	Carder	260/448.

Other Refs:
Primary Examiner: Shaver, Paul F.
Assistant Examiner:
Attorney: