SULFOPOLYESTER HAVING A CHARGE DENSITY GREATER THAN ONE AND PRODUCTS MADE THEREFROM
A sulfopolyester includes the reaction product of a diacid and a diol wherein the diacid includes at least 30 mole percent of one difunctional sulfomonomer containing at least one sulfonate group bonded to an aromatic ring wherein the functional groups are carboxyl or esters thereof and a diacid moi...
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Format: | Patent |
Sprache: | eng ; fre ; ger |
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Zusammenfassung: | A sulfopolyester includes the reaction product of a diacid and a diol wherein the diacid includes at least 30 mole percent of one difunctional sulfomonomer containing at least one sulfonate group bonded to an aromatic ring wherein the functional groups are carboxyl or esters thereof and a diacid moiety which is not a sulfonated aromatic moiety. The sulfopolyester composition of the present invention has a charge density of greater than 1.0 meq/g polymer solids. Another aspect of the invention is a coating composition containing from 1 to 50 weight percent of the sulfopolyester. |
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