Polyetherimide having long chain aliphatic end groups and method for making

Claim 1

Polyetherimides consisting essentially of chemically combined units of the formula, ##STR8## and terminal radicals of the formula, --R.sup.1, where Z is a member selected from ##STR9## and divalent organic radicals of the general formula, ##STR10## where X is a member selected from the class consisting of divalent radicals of the formula, ##STR11## where y is an integer from 1 to 5, and R is a divalent organic radical selected from the class consisting of aromatic hydrocarbon radicals having from 6 to about 20 carbon atoms and halogenated derivatives thereof, alkylene radicals having from 2 to about 20 carbon atoms, cycloalkylene radicals having from 3 to about 20 carbon atoms, from C 2 to about C 8 alkylene terminated polydiorganosiloxane and divalent radicals of the formula, ##STR12## where Q is a member selected from --O--, --S--, --SO 2 --, --CO-- and --C x H 2x --, x is an integer from 1 to 5, a is 0 or 1 and R 1 is an aliphatic radical having from 12-20 carbon atoms.

Claim 9

A method for making polyetherimide which comprises melt polymerizing at a temperature in the range of from about 200° C. to about 400° C., a mixture of substantially equal molar amounts of organic dianhydride of the formula, ##STR13## an organic diamine of the formula, H.sub.2 N--R--NH.sub.2, in the presence of an effective amount of aliphatic organic amine chain stopper of the formula, R.sup.1 --NH.sub.2, where Z is a member selected from ##STR14## and divalent organic radicals of the general formula, ##STR15## where X is a member selected from the class consisting of divalent radicals of the formula, ##STR16## where y is an integer from 1 to 5, and R is a divalent organic radical selected from the class consisting of aromatic hydrocarbon radicals having from 6 to about 20 carbon atoms and halogenated derivatives thereof, alkylene radicals having from 2 to about 20 carbon atoms, cycloalkylene radicals having from 3 to about 20 carbon atoms, from C 2 to about C 8 alkylene terminated polydiorganosiloxane and divalent radicals of the formula, ##STR17## where Q is a member selected from --O--, --S--, --SO 2 --, --CO-- and --C x H 2x --, x is an integer from 1 to 5, a is 0 or 1 and R 1 is an aliphatic radical having from 12-20 carbon atoms.

Claim 10

A method for making polyetherimide which comprises melt polymerizing at a temperature in the range of from about 200° C. to about 400° C., a mixture of substantially equal molar amounts of organic dianhydride of the formula, ##STR13## an organic diamine of the formula, H.sub.2 N--R--NH.sub.2, in the presence of an effective amount of aliphatic organic amine chain stopper of the formula, R.sup.1 --NH.sub.2, where Z is a member selected from ##STR14## and divalent organic radicals of the general formula, ##STR15## where X is a member selected from the class consisting of divalent radicals of the formula, ##STR16## where y is an integer from 1 to 5, and R is a divalent organic radical selected from the class consisting of aromatic hydrocarbon radicals having from 6 to about 20 carbon atoms and halogenated derivatives thereof, alkylene radicals having from 2 to about 20 carbon atoms, cycloalkylene radicals having from 3 to about 20 carbon atoms, from C 2 to about C 8 alkylene terminated polydiorganosiloxane and divalent radicals of the formula, ##STR17## where Q is a member selected from --O--, --S--, --SO 2 --, --CO-- and --C x H 2x --, x is an integer from 1 to 5, a is 0 or 1 and R 1 is an aliphatic radical having from 12-20 carbon atoms.

Claim 11

A method of making polyetherimide which comprises (1) interfacially reacting substantially equal molar amounts of organic dianhydride of the formula, ##STR18## in an organic solvent and organic diamine of the formula, H.sub.2 N--R--NH.sub.2, in water in the presence of an effective amount of aliphatic amine of the formula, R.sup.1 --NH.sub.2, (2) effecting the removal of the organic solvent by evaporation from the resulting mixture of (1) and (3) recovering the resulting polyetherimide from the aqueous suspension of (2), where Z is a member selected from ##STR19## and divalent organic radicals of the general formula, ##STR20## where X is a member selected from the class consisting of divalent radicals of the formula, ##STR21## where y is an integer from 1 to 5, and R is a divalent organic radical selected from the class consisting of aromatic hydrocarbon radicals having from 6 to about 20 carbon atoms and halogenated derivatives thereof, alkylene radicals having from 2 to about 20 carbon atoms, cycloalkylene radicals having from 3 to about 20 carbon atoms, from C 2 to about C 8 alkylene terminated polydiorganosiloxane and divalent radicals of the formula, ##STR22## where Q is a member selected from --O--, --S--, --SO 2 --, --CO-- and --C x H 2x --, x is an integer from 1 to 5, a is 0 or 1 and R 1 is an aliphatic radical having from 12-20 carbon atoms.

Claim 12

A method of making polyetherimide which comprises (1) interfacially reacting substantially equal molar amounts of organic dianhydride of the formula, ##STR18## in an organic solvent and organic diamine of the formula, H.sub.2 N--R--NH.sub.2, in water in the presence of an effective amount of aliphatic amine of the formula, R.sup.1 --NH.sub.2, (2) effecting the removal of the organic solvent by evaporation from the resulting mixture of (1) and (3) recovering the resulting polyetherimide from the aqueous suspension of (2), where Z is a member selected from ##STR19## and divalent organic radicals of the general formula, ##STR20## where X is a member selected from the class consisting of divalent radicals of the formula, ##STR21## where y is an integer from 1 to 5, and R is a divalent organic radical selected from the class consisting of aromatic hydrocarbon radicals having from 6 to about 20 carbon atoms and halogenated derivatives thereof, alkylene radicals having from 2 to about 20 carbon atoms, cycloalkylene radicals having from 3 to about 20 carbon atoms, from C 2 to about C 8 alkylene terminated polydiorganosiloxane and divalent radicals of the formula, ##STR22## where Q is a member selected from --O--, --S--, --SO 2 --, --CO-- and --C x H 2x --, x is an integer from 1 to 5, a is 0 or 1 and R 1 is an aliphatic radical having from 12-20 carbon atoms.