Method of preparing modified polyimides or poly(amide-tmides)

Claim 3

The method according to claim 1 in which the reactive groups are selected from the group consisting of --NH 2 and those secondary amino groups with the formula NHR 13 wherein R 13 is an alkyl or aryl group.

Claim 4

The method according to claim 1 in which Q is substituted or unsubstituted carbocyclic aromatic of 6 to 18 ring carbon atoms or substituted or unsubstituted heterocyclic aromatic of 5 to 18 ring atoms where the hetero atoms are selected from the group consisting of N, O and S, and where the substituents are alkyl of 1 to 12 carbon atoms, alkenyl of 2 to 12 carbon atoms, alkynyl of 2 to 12 carbon atoms, cycloalkyl of 4 to 8 carbon atoms, alkoxy of 1 to 12 carbon atoms, alkylthio of 1 to 12 carbon atoms, phenyl, alkylphenylene having 1 to 12 carbon atoms in the alkyl group, phenoxy, phenylthio, alkylcarbonyloxy of 2 to 12 carbon atoms, phenylalkylene of 1 to 12 carbon atoms in the alkylene group, alkylcarbonyl of 2 to 12 carbon atoms, alkoxycarbonyl of 2 to 12 carbon atoms, bromo, chloro, fluoro, iodo, nitro, cyano, cyanothio, carboxy, carbonyl, hydroxy, mercapto, formyl, thioformyl or mercaptocarbonyl; D is substituted or unsubstituted hydrocarbylene of 1 or 3 to 18 carbon atoms; R 1 , R 2 , R 3 , R 4 , R 5 and R 6 each independently, is an unsubstituted or substituted alkyl of 1 to 12 carbon atoms, alkenyl of 2 to 12 carbon atoms, alkynyl of 2 to 12 carbon atoms, cycloalkyl of 4 to 8 carbon atoms, phenyl, alkylphenylene where the alkyl group contains 1 to 12 carbon atoms, phenylalkylene where the alkylene group contains 1 to 12 carbon atoms, or alkenylphenylene with 2 to 12 carbon atoms in the alkenyl group and when substituted, these hydrocarbyl groups are substituted by Br, Cl, I, F, --NC, --NO 2 , --OCN, alkoxy of 1 to 8 carbon atoms, --S--(C 1 -C 8 )alkyl, ##STR31## --S--S--(C 1 -C 8 )alkyl, --COOH, --COSH, --CSOH, --CONH 2 , --CN, --CHO, --CHS, --OH, --SH, --NCO and --NR a R b where R a or R b independently are hydrogen or lower alkyl.

Claim 5

The method according to claim 3 in which Q is unsubstituted or substituted carbocyclic aromatic of 6 to 18 ring carbon atoms; D is branched or linear alkylene of 1 or 3 to 12 carbon atoms; and x, y and z is each 0.

Claim 6

The method according to claim 4 in which the siloxane unit has the formula ##STR32## where v is 0 to 4; R c is each independently lower alkyl, lower alkenyl, lower alkynyl, cycloalkyl of 4 to 8 carbon atoms, lower alkoxy, lower alkylthio, phenyl, lower-alkylphenylene, phenyl-loweralkylene, lower-alkenylphenylene, phenoxy, phenylthio, lower-alkylcarbonyl, lower-alkylcarbonyloxy, lower-alkoxycarbonyl, bromo, chloro, fluoro, iodo, nitro, cyano, cyanothio, carboxyl, carbonyl, hydroxyl, mercapto or mercaptocarbonyl; Z is ##STR33## D 1 is methylene or alkylene of 3 to 8 carbon atoms; R 10 is lower alkyl, lower alkenyl, lower alkynyl, phenyl, lower alkylphenylene, phenyl-loweralkylene, or loweralkenylphenylene.

Claim 7

The method according to claim 5 in which v is 0 or 1; and R 10 is lower alkyl.

Claim 8

The method according to claim 5 in which v is 0 or 1; Z is --O--; R 10 is lower alkyl.

Claim 9

The method according to claim 5 in which v is 0 or 1; Z is --O--; D 1 is methylene, propylene or butylene; R 10 is alkyl of 1 to 3 carbon atoms.

Claim 10

The method according to claim 5 in which v is 0; Z is --O--; D 1 is methylene or butylene; and R 10 is methyl.

Claim 11

The method according to claim 3 in which Q is unsubstituted or substituted carbocyclic aromatic of 6 to 18 ring carbon atoms; D is branched or linear alkylene of 1 or 3 to 12 carbon atoms; x has a value from 0 to 100; y has a value from 0 to 20; z has a value from 0 to 20.

Claim 12

The method according to claim 10 in which R 1 is unsubstituted alkyl of 1 to 12 carbon atoms; R 2 is alkyl of 1 to 12 carbon atoms; R 3 is phenyl, alkylphenylene of 7 to 18 carbon atoms, or alkyl of 1 to 12 carbon atoms; R 4 is alkyl of 1 to 12 carbon atoms, phenyl, alkylphenylene of 7 to 18 carbon atoms, or alkenyl of 2 to 12 carbon atoms; R 5 is alkenyl of 2 to 12 carbon atoms, or substituted alkyl of 1 to 12 carbon atoms; R 6 is alkyl of 1 to 12 carbon atoms, phenyl, alkylphenylene of 7 to 18 carbon atoms, or alkenyl of 2 to 12 carbon atoms.

Claim 13

The method according to claim 3 in which Q is substituted or unsubstituted heterocyclic aromatic of 5 to 18 atoms, where the hetero atoms are selected from N, O and S; D is branched or linear alkylene of 1 or 3 to 12 carbon atoms; and x, y and z each, independently, has a value from 0 to 100.

Claim 14

The method according to claim 1 in which said polymeric material is a polyimide or poly(amide-imide) comprising the reaction product of an organic acid, anhydride or acid-anhydride with a bis(amino)polysiloxane of formula ##STR34## where Q is a substituted or unsubstituted aromatic group; Z is ##STR35## D is unsubstituted or substituted hydrocarbylene; R 1 , R 2 , R 3 , R 4 , R 5 and R 6 each independently is unsubstituted or substituted hydrocarbyl; x, y and z each independently has a value from 0 to 100.

Claim 15

The method according to claim 1 in which said polymeric material is a polyimide comprising the reaction product of a dianhydride component with an amine component, the dianhydride component comprising a dianhydride of formula ##STR36## where A is a tetravalent benzene or naphthalene nucleus or a tetravalent group of formula ##STR37## wherein G is phenylene or a group of formula ##STR38## and where m and m 1 is each 0 or 1 and E and E 1 is each ##STR39## where s is an integer from 1 to 8; the amine component comprising a bis(amino)polysiloxane and, optionally, an organic diamine, the bis(amino)polysiloxane having the formula ##STR40## where Q is a substituted or unsubstituted aromatic group; Z is ##STR41## D is substituted or unsubstituted hydrocarbylene of 1 or 3 to 18 carbon atoms; R 1 , R 2 , R 3 , R 4 , R 5 and R 6 each independently is unsubstituted or substituted hydrocarbyl; and x, y and z, each independently, has a value from 0 to 100; the organic diamine having the formula H.sub.2 N--Y--NH.sub.2 where Y is phenylene, diphenylene, naphthylene or a group of formula ##STR42## where R 7 is branched or linear alkylene of 1 to 20 carbon atoms, ##STR43## or --O--, or R 7 is --O--G'--O--, where G' is phenylene or group of formula ##STR44## where m 3 is 0 or 1 and E 3 is ##STR45## or linear or branched alkylene of 1 to 8 carbon atoms.

Claim 16

The method according to claim 1 in which said polymeric material is a polyimide or poly(amide-imide) which contains a siloxane unit of formula ##STR46## wherein R 8 is a divalent hydrocarbon radical; R 1 is a monovalent hydrocarbon radical; and r is a whole number equal to or greater than 1.

Claim 17

The method according to claim 1 in which said polymeric material is a polyimide or poly(amide-imide) comprising the reaction product of an organic acid, anhydride or acid-anhydride with an organic diamine having the formula H.sub.2 N--Y--NH.sub.2 where Y is phenylene, diphenylene, naphthylene or a group of formula ##STR47## where R 7 is branched or linear alkylene of 1 to 20 carbon atoms, ##STR48## or --O--, or R 7 is --O--G'--O--, where G' is phenylene or group of formula ##STR49## where m 3 is 0 or 1 and E 3 is ##STR50## or linear or branched alkylene of 1 to 8 carbon atoms.

Claim 18

The method according to claim 16 in which said polyimide or poly(amide-imide) comprises the reaction product of the organic diamine with a dianhydride component comprising a dianhydride of formula ##STR51## where A is a tetravalent benzene or naphthalene nucleus or a tetravalent group of formula ##STR52## wherein G is phenylene or a group of formula ##STR53## and where m and m 1 is each 0 or 1 and E and E 1 is each ##STR54## where s is an integer from 1 to 8.

Claim 19

The method according to claim 1 in which said modifying additive is selected from the group consisting of aromatic polyamines, aromatic aminoacids, aromatic polycarboxylic acids, aminophenols and carboxy phenols.

Claim 20

The method according claim 1 in which the nucleus of the aromatic modifying additive is a di-, tri- or tetravalent aromatic radical of 6 through 20 carbon atoms.