| 摘要 |
<p>A graft copolymer of a monomer mixture comprising an acrylic acid ester; and crotonic acid, graft polymerized on a poly (N-vinyl lactam) of the formula WHEREIN R represents an alkylene bridge group containing from 2 through 4 carbon atoms, R1 represents a member of the group consisting of hydrogen and methyl and n represents the number of the N-vinyl lactam units; stable aqueous emulsions containing same and methods of production.</p> |
