A METHOD FOR PRODUCING THE LATEX POLYMER "NUCLEUS-SHELL"

A method for producing the latex polymer "nucleus- shell" comprises the successive formation of polymers of "nucleus" and "shell", at that the formed polymer of the "nucleus" is modified at 70-90 DEGREE C for the period of 6-12 hours while mixing with the aque...

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Hauptverfasser:	VORONOV STANISLAV ANDRIOVYCH, TOKAREV VIKTOR SERHIIOVYCH
Format:	Patent
Sprache:	eng
Schlagworte:	ACYCLIC OR CARBOCYCLIC COMPOUNDS CHEMISTRY COMPOSITIONS BASED THEREON MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS METALLURGY ORGANIC CHEMISTRY ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-UP
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Beschreibung
Zusammenfassung:	A method for producing the latex polymer "nucleus- shell" comprises the successive formation of polymers of "nucleus" and "shell", at that the formed polymer of the "nucleus" is modified at 70-90 DEGREE C for the period of 6-12 hours while mixing with the aqueous-alkaline solution of the surface-active multifunctional peroxide in the quantity of 2-10 % by weight from the quantity of polymer. As the surface-active multifunctional peroxide the copolymer of 5-tret.butylperoxy-5-methyl-1-hexene -3-in with maleic anhydride is used or the copolymer of 5-tret butylperoxy-5-methyl-1-hexene-3-in with maleic anhydride and styrene, or copolymer of 5-tret.butylperoxy-5-methyl-1-hexene-3-in with maleic anhydride and butylacrylate. The "shell" polymer can be formed in the presence of a redox-system. The technical result û obtaining latex polymers "nucleus-shell" without surcharge of monomers with given operational characteristics, in particular with high packaged stability of aqueous dispersions of the polymer "nucleus-shell", ability to be solved in organic solvents.