Water-soluble polyamides from alkyleneoxy bis(propyl-amine)

Claim 1

A POLYAMIDE CONSISTING ESSENTIALLY OF THE POLYMERIC CONDENSATION PRODUCT OF COMPONENTS (A), (B) AND (C) AS FOLLOWS: A. A DICARBOXYLIC ACID SELECTED FROM THE GROUP CONSISTING OF ADIPIC ACID, PIMELLIC ACID, SUBERIC ACID AND COMBINATIONS THEREOF, B. A MODIFYING AMOUNT OF (1) UP TO 25 MOLE PERCENT OF A NINE CARBON ATOMS ALIPHATIC DICARBOXYLIC ACID, OR (2) UP TO 15 MOLE PERCENT OF 1,12-DODECANEDIOIC ACID, SAID MOLE PERCENTS BEING BASED UPON THE TOTAL AMOUNT OF DICARBOXYLIC ACID; AND C. AN ALIPHATIC DIAMINE AT LEAST 95 MOLE PERCENT OF WHICH IS AN (ALKYLENEOXY)BIS(PROPYLENE) HAVING THE FORMULA: H2N-C3H6-OR-N-O-C3H6-NH2 WHEREIN R IS ETHYLENE, 1,2-PROPYLENE OR 1,3-PROPYLENE AND N IS AN INTEGER OF 2 TO ABOUT 13. OR COMBINATIONS THEREOF, SAID POLYAMIDE HAVING AN INHERENT VISCOSITY OF FROM 0.15 TO ABOUT 1.0 AS MEASURED AT 25*C. AT A CONCENTRATION OF 0.5 GRAMS OF SAID POLYAMIDE PER 100 ML. OF A SOLVENT CONSISTING OF 60 PERCENT BY WEIGHT PHENOL AND 40 PERCENT BY WEIGHT TETRACHLOROETHANE, SAID POLYAMIDE HAVING A RATIO OF ALKYLENEOXY TO AMIDE LINKAGES IN THE RANGE OF FROM AT LEAST ABOUT 3:2 TO ABOUT 14:2.