Patent ID: 7358295
Filing Date: 2008-04-15
Classification: C08G,C08L,C09D,Y10T

Abstract:
1. A polymer composition, comprising: at least one vinyl polymer and at least one polyurethane; and optionally an electrostatic dissipating compound; said vinyl polymer comprising: polymerized units of (a) at least one reactive macromer of at least one alkylene oxide and having at least one functional group capable of free-radical transformation, wherein said macromer has a number average molecular weight of from about 100 to about 10,000, said macromer having the formula X—(Y-0) optionally polymerized units of (b) at least one or more ethylenically unsaturated monomers having at least one carboxylic acid group; and polymerized units of (c) one or more free radically polymerizable monomers selected from the group consisting of an ester, a nitrile, an amide of an unsaturated carboxylic acid having from 3 to about 10 carbon atoms, a vinyl ester, a styrenic monomer, an olefin, a halogenated olefin, a conjugated diene, a halogenated conjugated diene, a vinyl ether, an allyl ether, an unsaturated ester of phosphoric acid, and combinations thereof; said polyurethane comprising: polymerized units of (ua) a side chain containing alkylene oxide monomer in an amount of about 12 wt. % to about 80 wt. % of said polyurethane, wherein (i) alkylene oxide groups in said poly(alkylene oxide) side-chain units have from 2 to about 10 carbon atoms (ii) at least about 50 wt. % of said alkylene oxide groups are ethylene oxide, and (iii) said amount of said side-chain units is at least about 12 wt. %, polymerized units of (ub) at least one hydroxyl or amine containing monomer selected from the group consisting of a polyester polyol, a polyether polyol, a polyhydroxy polyester amide, a hydroxyl-containing polycaprolactone, a hydroxyl-containing epoxide, a polyhydroxy polycarbonate, a polyhydroxy polyacetal, a polyhydroxy polythioether, a polysiloxane polyol, an ethoxylated polysiloxane polyol, a hydrocarbon polyol, a polybutadiene polyol, a hydrogenated polybutadiene polyol, a polyacrylate polyol, a polymethacrylate polyol, a halogenated polyester, a halogenated polyether, a polyamine, and combinations thereof; optionally polymerized units of (uc) at least one dispersion enhancing monomer having a functional group selected from the group consisting of a carboxylic, a carbonyl, an amine, a hydroxyl, a hydrazide, and combinations thereof; polymerized units of a chain extender selected from the group consisting of water, an inorganic polyamine having an average of about 2 or more primary and/or secondary amine groups, an organic polyamine having an average of about 2 or more primary and/or secondary amine groups, a polyalcohol, a urea, and combinations thereof; and polymerized units of an isocyanate compound reactive with said (ua) side chain containing alkylene oxide monomer, said (ub) hydroxyl or amine containing monomer, and said (uc) dispersion enhancing monomer; wherein said isocyanate is a polyisocyanate having an average of about 2 or more isocyanate groups, and wherein said polyisocyanate is selected from the group consisting of an aliphatic, a cycloaliphatic, an araliphatic, an aromatic, and combinations thereof.