Modified aqueous polyurethane dispersions and methods for making

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – At least one aryl ring which is part of a fused or bridged...

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4284231, 524507, 524591, 524839, 524840, 525123, 525127, 525455, C08J 300, C08K 320, C08L 7500, C08F 830

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active

059454733

ABSTRACT:
The invention relates to methods of preparing aqueous polymeric dispersions which contain a water-dispersible polyurethane, a polymer prepared from an ethylenically unsaturated monomer and at least one additional polymer which is capable of enhancing certain properties of products which utilize the aqueous dispersions of the present invention, wherein the ethylenically unsaturated monomer is polymerized in the presence of the water-dispersible polyurethane dispersion and the additional polymer and in the absence of a surfactant and an organic solvent, to aqueous compositions containing the aqueous polymeric dispersions and to articles of manufacture prepared from the aqueous compositions containing the aqueous polymeric dispersions.

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George Odian, "Principles of Polymerization", Third Edition, 1991, pp. 1-10, John Wiley & Sons, Inc.
Encyclopedia of Polymer Science and Engineering, "A Wiley-Interscience publication" 1964; vol. 1 (pp. 470-471); vol. 4 (pp. 118-119); vol. 16 (p. 833).

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