Compositions of olefin-sulfur dioxide copolymers and polyamines as antistatic additives for hydrocarbon fuels

Claim 2

IN AN ANTISATIC ADDITIVE COMPOSITON FOR HYDROCARBON FUELS COMPRISING TWO COMPONENTS PRESENT IN A WEIGHT RATIO OF 100:1 TO 1:100, WHEREIN ONE COMPONENT IS A POLYSULFONE COPOLYMER CONSISTING ESSENTIALLY OF ABOUT 50 MOL PERCENT OF UNITS FROM SULFUR DIOXIDE, ABOUT 40 TO 50 MOL PERCENT OF UNITS DERIVED FROM ONE OR MORE 1-ALKENES EACH HAVING FROM ABOUT 6 TO 24 CARBON ATOMS, AND ABOUT 0 TO 10 MOL PERCENT OF UNITS DERIVED FROM AN OLEFINIC COMPOUND HAVING THE FORMULA ACH=CHB WHEREIN A IS A GROUP HAVING THE FORMULA -CXH25)-COOH WHEREIN X IS FROM 0 TO ABOUT 17, AND B IS HYDROGEN OR CARBOXYL, WITH THE PROVISO THAT WHEN B IS CARBOXYL, X IS 0, AND WHEREIN A AND B TOGETHER CAN BE DICARBOXYLIC ANHDRIDE GROUP, THE IMPROVEMENT WHICH COMPRISES, IN COMBINATION WITH SAID POLYMERIC OF THE FORMULA A POLYMERIC POLYAMINE OF THE FORMULA

Claim 3

A composition according to claim 1 wherein the polysulfone copoylmer consists essentially of about 50 mol percent of units derived from sulfur dioxide and about 50 mol percent of units derived from at least 1-alkene having from 8 to 12 carbon atoms.

Claim 4

A composition according to claim 2 wherein the 1-alkene is 1-decene.

Claim 5

A composition according to claim 1 wherein R in the polyamine component is equal to R1 and R1 is an aliphatic hydrocarbyl group of 12 to 18 carbon atoms.

Claim 6

A composition according to claim 4 wherein R1 is the aliphatic hydrocarbyl group of tallowamine.

Claim 7

A composition according to claim 1 where R in the polyamine is R1NHR2, wherein R1 is an aliphatic hydrocarbyl group of 12 to 18 carbon atoms and R2 is an alkylene group of 3 carbon atoms.

Claim 8

A composition according to claim 6 wherein R1 is the aliphatic hydrocarbyl group of tallowamine.

Claim 9

A composition comprising, based on total weight, i. from about 5 to 25 percent of polysulfone, ii. from about 5 to 25 percent of polymeric polyamine, and iii. from about 50 to 90 percent of solvent, the polysulfone of (i) consisting essentially of about 50 mole percent of units from sulfur dioxide, about 40 to 50 mol percent of units derived from one or more 1-alkenes each having from about 6 to 24 carbon atoms, and from about 0 to 10 mol percent of units derived from an olefinic compound having the formula ACH CHB wherein A is a group having the formula -CxH2x)-COOH wherein x is from 0 to about 17, and B is hydrogen or carboxyl, with the proviso that when B is carboxyl, x is 0, and wherein A and B together can be a dicarboxylic anhydride group, the polymeric polyamine of (ii) having the formula

Claim 10

A composition comprising, based on total weight, i. from about 5 to 25 percent of polysulfone, ii. from about 5 to 25 percent of polymeric polyamine, and iii. from about 50 to 90 percent of solvent, the polysulfone of (i) consisting essentially of about 50 mole percent of units from sulfur dioxide, about 40 to 50 mol percent of units derived from one or more 1-alkenes each having from about 6 to 24 carbon atoms, and from about 0 to 10 mol percent of units derived from an olefinic compound having the formula ACH CHB wherein A is a group having the formula -CxH2x)-COOH wherein x is from 0 to about 17, and B is hydrogen or carboxyl, with the proviso that when B is carboxyl, x is 0, and wherein A and B together can be a dicarboxylic anhydride group, the polymeric polyamine of (ii) having the formula

Claim 11

A composition comprising, based on total weight, i. from about 5 to 25 percent of polysulfone, ii. from about 5 to 25 percent of polymeric polyamine, iii. from about 5 to 30 percent of oil-soluble sulfonic acid, and iv. from about 20 to 85 percent of solvent, the polysulfone of (i) consisting essentially of about 50 mol percent of units from sulfur dioxide, about 40 to 50 mol percent of units derived from one or more 1-alkenes each having from about 6 to 24 carbon atoms, and from about 0 to 10 mol perceNt of units derived from an olefinic compound having the formula ACH CHB wherein A is a group having the formula -CxH2x)-COOH wherein x is from 0 to about 17, and B is hydrogen or carboxyl, with the proviso that when B is carboxyl, x is 0, and wherein A and B together can be a dicarboxylic anhydride group, the polymeric polyamine of (ii) having the formula

Claim 12

A composition comprising, based on total weight, i. from about 5 to 25 percent of polysulfone, ii. from about 5 to 25 percent of polymeric polyamine, iii. from about 5 to 30 percent of oil-soluble sulfonic acid, and iv. from about 20 to 85 percent of solvent, the polysulfone of (i) consisting essentially of about 50 mol percent of units from sulfur dioxide, about 40 to 50 mol percent of units derived from one or more 1-alkenes each having from about 6 to 24 carbon atoms, and from about 0 to 10 mol perceNt of units derived from an olefinic compound having the formula ACH CHB wherein A is a group having the formula -CxH2x)-COOH wherein x is from 0 to about 17, and B is hydrogen or carboxyl, with the proviso that when B is carboxyl, x is 0, and wherein A and B together can be a dicarboxylic anhydride group, the polymeric polyamine of (ii) having the formula

Claim 13

A hydrocarbon fuel boiling in the range of from about 20* to 375*C. containing from about 0.01 ppm to 40 ppm of the composition defined in claim 1.

Claim 14

In an antistatic additive composition for hydrocarbon fuels comprising a polysulfone copolymer consisting essentially of about 50 mol percent of units derived from sulfur dioxide, from about 40 to 50 mol percent of units derived from 1-alkene of 6 to 24 carbon atoms and from 0 to about 10 mol percent of units derived from an olefin having the formula, ACH CHB, wherein A is a group having the formula -(CxH2x)-COOH wherein x is from 0 to about 17, and B is hydrogen or carboxyl, with the proviso that when B is carboxyl, x is 0, and wherein A and B together can be a dicarboxylic anhydride group, and a quaternary ammonium compound having the formula:

Claim 15

In an antistatic additive composition for hydrocarbon fuels comprising a polysulfone copolymer consisting essentially of about 50 mol percent of units derived from sulfur dioxide, from about 40 to 50 mol percent of units derived from 1-alkene of 6 to 24 carbon atoms and from 0 to about 10 mol percent of units derived from an olefin having the formula, ACH CHB, wherein A is a group having the formula -(CxH2x)-COOH wherein x is from 0 to about 17, and B is hydrogen or carboxyl, with the proviso that when B is carboxyl, x is 0, and wherein A and B together can be a dicarboxylic anhydride group, and a quaternary ammonium compound having the formula:

Claim 16

A hydrocarbon fuel boiling in the range of from about 20* to 375*C. containing from about 0.01 ppm to 40 ppm of the composition defined in claim 11.

Claim 17

A composition comprising, based on total weight, i. from about 5 to 25 percent of polysulfone, ii. from about 5 to 25 percent of polyamine, iii. from about 0.5 to 5 percent of quaternary ammonium compound, iv. from about 5 to 25 percent of oil-soluble sulfonic acid, and v. from about 20 to 84.5 percent of solvent, the polysulfone of (i) consisting essentially of about 50 mol percent of units derived from sulfur dioxide, from about 40 to 50 mol percent of units derived from 1-alkene of 6 to 24 carbon atoms and from 0 to about 10 mol percent of units derived from an olefin having the formula, ACH CHB, wherein A is a group having the formula -(CxH2x)-COOH wherein x is from 0 to about 17, and B is hydrogen or carboxyl, with the proviso that when B is carboxyl, x is 0, and wherein A and B together can be a dicarboxylic anhydride group, the polyamine of (ii) having the formula

Claim 18

A composition comprising, based on total weight, i. from about 5 to 25 percent of polysulfone, ii. from about 5 to 25 percent of polyamine, iii. from about 0.5 to 5 percent of quaternary ammonium compound, iv. from about 5 to 25 percent of oil-soluble sulfonic acid, and v. from about 20 to 84.5 percent of solvent, the polysulfone of (i) consisting essentially of about 50 mol percent of units derived from sulfur dioxide, from about 40 to 50 mol percent of units derived from 1-alkene of 6 to 24 carbon atoms and from 0 to about 10 mol percent of units derived from an olefin having the formula, ACH CHB, wherein A is a group having the formula -(CxH2x)-COOH wherein x is from 0 to about 17, and B is hydrogen or carboxyl, with the proviso that when B is carboxyl, x is 0, and wherein A and B together can be a dicarboxylic anhydride group, the polyamine of (ii) having the formula

Claim 19

A composition according to claim 13, wherein the quaternary ammonium compound is dicocodimethyl ammonium nitrite.