Water-soluble copolyesters, process for their preparation, and their use

Copolyesters of the formula I in which R is from 60 to 85 mol% of 1,3-phenylene radicals, from 5 to 20 mol% of tetramethylene radicals and from 10 to 20 mol% of, for example, radicals of the formula IIa R is from 60 to 95 mol% of ethylene radicals (-CH2CH2-), from 0 to 28 mol% of 2,2-dimethyl-1,3-pr...

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Hauptverfasser:	HINTERMEIER,KARL,.DR, KLEBER,ROLF,.DR, KLEIN,PETER,.DR, ENGELHARDT,FRIEDRICH,.DR
Format:	Patent
Sprache:	eng ; ger
Schlagworte:	CHEMISTRY COMPOSITIONS BASED THEREON FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR LAUNDERING MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS TEXTILES THEIR PREPARATION OR CHEMICAL WORKING-UP TREATMENT OF TEXTILES OR THE LIKE TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS,FABRICS, FEATHERS, OR FIBROUS GOODS MADE FROM SUCH MATERIALS
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Beschreibung
Zusammenfassung:	Copolyesters of the formula I in which R is from 60 to 85 mol% of 1,3-phenylene radicals, from 5 to 20 mol% of tetramethylene radicals and from 10 to 20 mol% of, for example, radicals of the formula IIa R is from 60 to 95 mol% of ethylene radicals (-CH2CH2-), from 0 to 28 mol% of 2,2-dimethyl-1,3-propylene radicals and from 5 to 12 mol% of polyoxyethylene radicals having a mean molecular weight of up to 600, R is, for example, SO3H, E and E are, for example, -OH, and n is a number so large that the copolyester has a mean molecular weight of between 15000 and 40000, are used in the form of their aqueous solutions as sizing agents (sizes).