Foam inhibitor

Claim 1

A PROCESS FOR INHIBITING FOAM IN A SYSTEM SUSCEPTIBLE TO FOAMING WHICH IS CHARACTERIZED BY SUBJECTING SAID SYSTEM TO THE ACTION OF A COMPOUND SELECTED FROM THE GROUP CONSISTING OF (1) A BRANCHED POLYALKYLENEPOLYAMINE CONTAINING LEAST THREE PRIMARY AMINO GROUPS AND AT LEAST ONE TERTIARY AMINO GROUP AND HAVING THE FORMULA NH2-(R-NH)X-(R-N(-(R-NH)Z-R-NH2))Y-R-NH2 WHEREIN R IS AN ALKYLENE GROUP HAVING AT LEAST TWO CARBON ATOMS, X IS AN INTEGER OF 4 TO 24 Y IS AN INTEGER OF 1 TO 6 Z IS AN INTEGER OF 0-6, (2) AN ACYLATED BRANCHED POLYALKYLENE POLYAMINE CONTAINING AT LEAST THREE PRIMARY AMINO GROUPS AND AT LEAST ONE TERTIARY AMINO GROUP AND HAVING THE FORMULA NH2-(R-NH)X-(R-N(-(R-NH)Z-R-NH2))Y-R-NH2 WHEREIN R IS AN ALKYLENE GROUP HAVING AT LEAST TWO CARBON ATOMS, X IS AN INTEGER OF 4 TO 24, Y IS AN INTEGER OF 1 TO 6, AND Z IS AN INTEGER OF 0.6, FORMED BY REACTING, AT A TEMPERATURE OF FROM ABOUT 120*C. TO ABOUT 300*C., SAID POLYALKYLENEPOLYAMINE WITH A COMPOUND SELECTED FROM THE GROUP CONSISTING OF (I) A CARBOXYLIC ACID HAVING 7-39 CARBON ATOMS AND (II) A PRECURSOR OF SAID CARBOXYLIC ACID CAPABLE OF FORMING SAID ACID IN SAID REACTION, (3) AN OXYLALKYLATED BRANCHED POLYALKYLENEPOLYAMINE CONTAINING AT LEAST THREE PRIMARY AMINO GROUPS AND AT LEAST ONE TERTIARY AMINO GROUP AND HAVING THE FORMULA NH2-(R-NH)X-(R-N(-(R-NH)Z-R-NH2))Y-R-NH2 WHEREIN R IS AN ALKYLENE GROUP HAVING AT LEAST TWO CARBON ATOMS, X IS AN INTEGER OF 4 TO 24, Y IS AN INTEGER OF 1 TO 6, AND Z IS AN INTEGER OF 0-6, FORMED BY REACTING AT A TEMPERATURE OF FROM ABOUT 80*C. TO ABOUT 200*C. AND A PRESSURE OF FROM ABOUT 10 P.S.I. TO ABOUT 200 P.S.I. SAID POLYALKYLENEPOLYAMINE WITH AN ALKYLENE OXIDE HAVING AT LEAST 2. CARBON ATOMS, (4) ANN ALKYLATED BRANCHED POLYALKYLENEPOLYAMINE CONTAINING AT LEAST THREE PRIMARY AMINO GROUPS AND AT LEAST ONE TERTIARY AMINO GROUP AND HAVING THE FORMULA NH2-(R-NH)X-(R-N(-(R-NH)Z-R-NH2))Y-R-NH2 WHEREIN R IS AN ALKYLENE GROUP HAVING AT LEAST TWO CARBON ATOMS, X IS AN INTEGER OF 4 TO 24 Y IS AN INTEGER OF 1 TO 6, AND Z IS AN INTEGER OF 0-6, FORMED BY REACTING, AT A TEMPERATURE OF FROM ABOUT 100*C. TO ABOUT 250*C., SAID POLYALKYLENEPOLYAMINE WITH A HYDROCARBON HALIDE ALKYLATING AGENT HAVING 1 TO 30 CARBON ATOMS, (5) AN OLEFINATED BRANCHED POLYALKYLENEPOLYAMINE CONTAINING AT LEAST THREE PRIMARY AMINO GROUPS AND AT LEAST ONE TERTIARY AMINO GROUP AND HAVING THE FORMULA NH2-(R-NH)X-(R-N(-(R-NH)Z-R-NH2))Y-R-NH2 WHEREIN R IS AN ALKYLENE GROUP HAVING AT LEAST TWO CARBON ATOMS, X IS AN INTEGER OF 4 TO 24 Y IS AN INTEGER OF 1 TO 6, AND Z IS AN INTEGER OF 0-6,& FORMED BY REACTING, AT A TEMPERATURE OF FROM ABOUT 70*C. TO ABOUT 100*C., SAID POLYALKYLENEPOLYAMINE WITH AN OLEFINATING AGENT SELECTED FROM THHE GROUP CONSISTING OF ACRYLONITRILE, STYRENE, BUTADIENE, VINYL ETHERS AND VINYL SULFONES, (6) A SCHIFF BASE REACTION PRODUCT OF A BRANCHED POLYALKYLENEPOLYAMINE CONTAINING AT LEAST THREE PRIMARY AMINO GROUPS AND AT LEAST ONE TERTIARY AMINO GROUP AND HAVING THE FORMULA NH2-(R-NH)X-(R-N(-(R-NH)Z-R-NH2))Y-R-NH2 WHEREIN R IS AN ALKYLENE GROUP HAVING AT LEAST TWO CARBON ATOMS, X IS AN INTEGER OF 4 TO 24, Y IS AN INTEGER OF 1 TO 6, AND Z IS AN INTEGER OF 0-6, FORMED BY REACTING SAID POLYALKYLENEPOLYAMINE WITH A COMPOUND SELECTED FROM THE GROUP CONSISTINGG OF ALDEHYDES AND KETONES, (7) AN ACYLATED, THEN OXYALKYLATED BRANCHED POLYALKYLENEPOLYAMINE CONTAING AT LAST THREE PRIMARY AMINO GROUPS AND AT LEAST ONE TERTIARY AMINO GROUP AND HAVING THE HEREIN ABOVE RECITED FORMULA, FORMED BY REACTING, AT A TEMPERATURE OF FROM ABOUT 125* C. TO ABOUT 300*C., SAID POLYALKYLENEPOLYAMINE C. TO ABOUT 300*C., SAID POLYALKYLENEPOLYAMINE WITH AN ACYLATING AGENT SELECTED FROM THE GROUP CONSISTING OF (1) A CARBOXYLIC ACID HAVING 7-39 CARBON ATOMS AND (II) A PRECURSOR OF SAID CARBOXYLIC ACID CAPABLE OF FORMING SAID ACID IN SAID REACTION, AND THEN REACTING SAID ACYLATED POLYALKYLENEPOLYAMINE, AT A TEMPERATURE OF FROM ABOUT 80*C. TO ABOUT 200* C. AND A PRESSURE OF FROM ABOUT 10 P.S.I. TO ABOUT 200 P.S.I., WITH AN ALKYLENE OXIDE HAVING AT LEAST 2 CARBON ATOMS, (8) AN OXYALKYLATED, THEN ACYLATED BRANCHED POLYALKYLENEPOLYAMINE, CONTAINING AT LEAST THREE PRIMARY AMINO GROUPS AND AT LEAST ONE TERTIARY AMINO GROUP AND HAVING THE HEREINABOVE RECITED FORMULA, FORMED BY REACTING AT A TEMPERATURE OF FROM ABOUT 80* C. TO ABOUT 200*C. AND A PRESSURE OF FROM ABOUT 10 P.S.I. TO ABOUT 200 P.S.I., SAID POLYALKYLENEPOLYAMINE WITH AN ALKYLENE OXIDE HAVING AT LEAST 2 CARBON ATOMS AND THEN REACTING SAID OXYALKYLATED POLYALKYLENEPOLYAMINE, AT A TEMPERATURE OF FROM ABOUT 120*C. TO ABOUT 300*C., WITH AN ACYLATING AGENT SELECTED FROM THE GROUP CONSISTING OF (I) A CARBOXYLIC ACID HAVING 7-39 CARBON ATOMS AND (II) A PRECURSOR OF SAID CARBOXYLIC ACID CAPABLE OF FORMING SAID ACID IN SAID REACTION, (9) AN ALKYLATED, THEN ACYLATED BRANCHED POLYALKYLENE POLYAMINE CONTAINING AT LEAST THREE PRIMARY AMINO GROUPS AND AT LEAST ONE TERTIARY AMINO GROUP AND HAVING THE HEREINABOVE RECITED FORMULA, FORMED BY REACTING, AT A TEMPERATURE OF FROM ABOUT 100*C. TO ABOUT 250*C., SAID POLYALKYLENEPOLYAMINE WITH A HYDROCARBON HALIDE ALKYLATING AGENT HAVING 1-30 CARBON ATOMS, AND THEN REACTING SAID ALKYLATED POLYALKYLENEPOLYAMINE, AT A TEMPERATURE OF FROM ABOUT 120*C. TO ABOUT 300*C., WITH AN ACYLATING AGENT SELECTED FROM THE GROUP CONSISTING OF (1) A CARBOXYLIC ACID HAVING 7-39 CARBON ATOMS AND (II) A PRECURSOR OF SAID CARBOXYLIC ACID CAPABLE OF FORMING SAID ACID IN SAID REACTION, (10) AN ACYLATED, THEN ALKYLATED BRONCHED POLYALKYLENEPOLYAMINE CONTAINING AT LEAST THREE PRIMARY AMINO GROUPS AND AT LEAST ONE TERTIARY AMINO GROUP AND HAVING THE HEREINABOVE RECITED FORMULA, FORMED BY REACTING, AT A TEMPERATURE OF FROM ABOUT 120*C. TO ABOUT 300*C., SAID POLYALKYLENEPOLYAMINE WITH AN ACYLATING AGENT SELECTED FROM THE GROUP CONSISTING OF (I) A CARBOXYLIC ACID HAVING 7-39 CARBON ATOMS AND (II) A PRECURSOR OF SAID CARBOXYLIC ACID CAPABLE OF FORMING SAID ACID IN SAID REACTION, ANND THEN REACTING SAID ACYLATED POLYALKYLENEPOLYAMINE, AT A TEMPERATURE OF FROM ABOUT 100*C. TO ABOUT 250*C, WITH A HYDROCARBON HALIDE ALKYLATING AGENT HAVING 1-30 CARBON ATOMS, (11) AN OXYALKYLATED, THEN ALKYLATED BRANCHED POLYALKYLENEPOLYAMINE CONTAINING AT LEAST THREE PRIMARY AMINO GROUPS AND AT LEAST ONE TERTIARY AMINO GROUP AND HAVING THE HEREINABOVE RECITED FORMULA, FORMED BY REACTING, AT A TEMPERATURE OF FROM ABOUT 80*C. TO ABOUT 200*C. AND A PRESSURE OF FROM ABOUT 10 P.S.I. TO ABOUT 2000 P.S.I., SAID POLYALKYLENEPOLYAMINE WITH AN ALKYLENE OXIDE HAVING AT LEAST 2 CARBON ATOMS, AND THEN REACTING SAID OXYLALKYLATED POLYALKYLENEPOLYAMINE, AT A TEMPERATURE OF FROM ABOUT 100*C. TO ABOUT 250*C., WITH A HYDROCARBON HALIDE ALKYLATING AGENT HAVING 1-30 CARBON ATOMS, (12) A SCHIFF BASE REACTION PRODUCT OF AN ACYLATED BRANCHED POLYALKYLENEPOLYAMINE CONTAINING AT LEAST THREE PRIMARY AMINO GROUPS AND AT LEAST ONE TERTIARY AMINO GROUP AND HAVING THE HEREINABOVE RECITED FORMULA, FORMED BY REACTING, AT A TEMPERATURE OF FROM ABOUT 120*C. TO ABOUT 300*C., SAID POLYALKYLENEPOLYAMINE WITH AN ACYLATING AGENT SELECTED FROM THE GROUP CONSISTING OF (I) A CARBOXYLIC ACID HAVING 7-39 CARBON ATOMS AND (II) A PRECURSOR OF SAID CARBOXYLIC ACID CAPABLE OF FORMING SAID ACID IN SAID REACTION, AND THEN REACTING SAID ACYLATED POLYALKYLENEPOLYAMINE WITH A COMPOUND SELECTED FROM THE GROUP CONSISTING OF ALDEHYDES AND KETONES, (13) A SCHIFF BASE REACTION PRODUCT OF AN ALKYLATED BRANCHED POLYALKYLENEPOLYAMINE CONTAINING AT LEAST THREE PRIMARY AMINO GROUPS AND AT LEAST ONE TERTIARY AMINO GROUP AND HAVING THE HEREINABOUT RECITED FORMULA, FORMED BY REACTING, AT A TEMPERATURE OF FROM ABOUT 100*C. TO ABOUT 250*C., SAID POLYALKYLENEPOLYAMINE WITH A HYDROCARBON HALIDE ALKYLATING AGENT HAVING 1-30 CARBON ATOMS, AND THEN REACTING SAID ALKYLATED POLYALKYLENEPOLYAMINE WITH A COMPOUND SELECTED FROM THE GROUP CONSISTING OF ALDEHYDES AND KETONES, (14) AN OXYALKYLATED SCHIFF BASE REACTION PRODUCT OF A BRANCHHED