| 摘要 |
Preparation of inherently colloidally stable polymer latexes by the continuous, addition polymerization in aqueous dispersion of a copolymerizable monomeric mixture of specified amounts of (1) an essentially hydrophobic ethylenically unsaturated monomer, such as vinylidene chloride, (2) a second, relatively more hydrophilic ethylenically unsaturated monomer having a solubility of at least 1 weight percent in both the water and oil phase of the aqueous dispersion and (3) a significantly water soluble ionic material which is copolymerizable with (2) and which has an onium functionality; and improved substantially water-insoluble substrates having a coating of the dried residue of such aqueous dispersion thereon.
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