Method for producing a polyamideimide and product of said method

Claim 3

a bis (tricarboxylic anhydride) anhydride of the formula

Claim 4

a bis (tricarboxylic anhydride) anhydride of the formula

Claim 5

trivalent aliphatic radicals represented by the formula: wherein R and R'' represent H or an alkyl group having one to 20 carbon atoms and n is zero to 10,

Claim 6

trivalent aliphatic radicals represented by the formula: wherein R and R'' represent H or an alkyl group having one to 20 carbon atoms and n is zero to 10,

Claim 7

a divalent aliphatic radical represented by the formula: -(CH2)n-and its derivatives in which one to five hydrogen atoms in -(CH2)n- are substituted by an alkyl group of one to 10 carbon atoms, an alkoxy group of one to 10 carbon atoms and chlorine, wherein n is two to 15,

Claim 8

a divalent aliphatic radical represented by the formula: -(CH2)n-and its derivatives in which one to five hydrogen atoms in -(CH2)n- are substituted by an alkyl group of one to 10 carbon atoms, an alkoxy group of one to 10 carbon atoms and chlorine, wherein n is two to 15,

Claim 9

a divalent aliphatic radical represented by the formula: -(CH2)n-wherein n is 3 to less than 10

Claim 10

a divalent aliphatic radical represented by the formula: -(CH2)n-wherein n is 3 to less than 10

Claim 11

divalent aliphatic radicals represented by the formula: (CH2)n-and its derivatives in which one to 10 hydrogen atoms in (CH2)n are substituted by alkyl of one to 10 carbon atoms, alkoxy of one to 10 carbon atoms and chlorine, wherein n is three to 15,

Claim 12

divalent aliphatic radicals represented by the formula: (CH2)n-and its derivatives in which one to 10 hydrogen atoms in (CH2)n are substituted by alkyl of one to 10 carbon atoms, alkoxy of one to 10 carbon atoms and chlorine, wherein n is three to 15,

Claim 13

a divalent alicyclic radical represented by the formula: wherein X is the same as defined above and

Claim 14

a divalent alicyclic radical represented by the formula: wherein X is the same as defined above and

Claim 15

a divalent alicyclic radical represented by the formula: wherein X is the same as defined above and

Claim 16

a divalent alicyclic radical represented by the formula: wherein X is the same as defined above and

Claim 17

The polyamideimide obtained by the process of claim 1.

Claim 18

trivalent alicyclic radicals represented by the formula: wherein X is selected from the group consisting of a carbon to carbon bond (nil), where R'''' and R'''''' represent H or alkyl group having one to 10 carbon atoms, and

Claim 19

trivalent alicyclic radicals represented by the formula: wherein X is selected from the group consisting of a carbon to carbon bond (nil), where R'''' and R'''''' represent H or alkyl group having one to 10 carbon atoms, and

Claim 20

a divalent alicyclic radical represented by the formula: wherein X is the same as defined above and

Claim 21

a divalent alicyclic radical represented by the formula: wherein X is the same as defined above and

Claim 22

with a compound selected from the group consisting of the compounds of the formuLa NH2 - R3 - NH2 Formula II NH2 - R4 -COOH Formula III wherein R3 is a member selected from the group consisting of

Claim 23

with a compound selected from the group consisting of the compounds of the formuLa NH2 - R3 - NH2 Formula II NH2 - R4 -COOH Formula III wherein R3 is a member selected from the group consisting of

Claim 24

a divalent aromatic radical represented by the formula: derivatives thereof in which one to four hydrogen atoms in the benzene nucleus or nuclei are substituted by alkyl of one to 10 carbon atoms, alkoxy of one to 10 carbon atoms and chlorine, wherein m is 0 or 1, and X is the same as defined above, and R4 is a member selected from the group consisting of

Claim 25

a divalent aromatic radical represented by the formula: derivatives thereof in which one to four hydrogen atoms in the benzene nucleus or nuclei are substituted by alkyl of one to 10 carbon atoms, alkoxy of one to 10 carbon atoms and chlorine, wherein m is 0 or 1, and X is the same as defined above, and R4 is a member selected from the group consisting of

Claim 26

a trivalent aromatic radical selected from the group consisting of

Claim 27

a trivalent aromatic radical selected from the group consisting of

Claim 28

a divalent aromatic radical represented by the formula: and derivatives thereof in which one to four hydrogen atoms in the benzene nucleus or nuclei are substituted by an alkyl group of one to 10 carbon atoms, an alkoxy group of one to 10 carbon atoms or chlorine, wherein m is 0 or 1, and X is the same as defined above, whereby said polyamideimide is obtained.

Claim 29

a divalent aromatic radical represented by the formula: and derivatives thereof in which one to four hydrogen atoms in the benzene nucleus or nuclei are substituted by an alkyl group of one to 10 carbon atoms, an alkoxy group of one to 10 carbon atoms or chlorine, wherein m is 0 or 1, and X is the same as defined above, whereby said polyamideimide is obtained.

Claim 30

Method according to claim 1, wherein less than 80 mol percent of bis (tricarboxylic acid anhydride) anhydride is substituted by at least one compound selected from the fOllowing groups:

Claim 31

a divalent aromatic radical represented by the formula: wherein X is the same as defined above, and the amino radical and the carboxyl radical are bonded to separate carbon atoms, and the amino radical and the carboxyl radical are not bonded on neighboring positions, wherein the compounds represented by the general formula I, II and III are reacted in a molar ratio within the range represented by the formula 1/3 < or = (2n1 + n2/3m1) < or = 1 wherein m1 is the number of mols of bis (tricarboxylic acid anhydride) anhydride represented by Formula I; n1 is the number of mols of the primary diamine represented by Formula II and n2 is the number of mols of aminocarboxylic acid represented by Formula III whereby the terminal of said amineimide oligomer has terminal radicals selected from the group consisting of carboxyl and acid anhydride radicals B. reacting said amideimide oligomer in an inert organic solvent at a temperature of about room temperature to about 300*C with a substantially equi molar quantity of a diisocyanate based on the isocyanate radical and the terminal radical of the oligomer composition of the formula OCN - R5 - NCO wherein R5 is a member selected from the group consisting of )n-

Claim 32

a divalent aromatic radical represented by the formula: wherein X is the same as defined above, and the amino radical and the carboxyl radical are bonded to separate carbon atoms, and the amino radical and the carboxyl radical are not bonded on neighboring positions, wherein the compounds represented by the general formula I, II and III are reacted in a molar ratio within the range represented by the formula 1/3 < or = (2n1 + n2/3m1) < or = 1 wherein m1 is the number of mols of bis (tricarboxylic acid anhydride) anhydride represented by Formula I; n1 is the number of mols of the primary diamine represented by Formula II and n2 is the number of mols of aminocarboxylic acid represented by Formula III whereby the terminal of said amineimide oligomer has terminal radicals selected from the group consisting of carboxyl and acid anhydride radicals B. reacting said amideimide oligomer in an inert organic solvent at a temperature of about room temperature to about 300*C with a substantially equi molar quantity of a diisocyanate based on the isocyanate radical and the terminal radical of the oligomer composition of the formula OCN - R5 - NCO wherein R5 is a member selected from the group consisting of )n-

Claim 33

Method for producing a polyamideimide according to claim 3 wherein the amount of each monomer is within the range specified by the formula wherein m1 is the number of mols of bis (tricarboxylic acid anhydride) anhydride; m2 is the number of mols of tetracarboxylic acid dianhydride; m3 is the number of mols of tetracarboxylic acid dianhydride; n1 is the number of mols of diamine; and n2 is the number of mols of aminocarboxylic acid.

Claim 34

Method for producing polyamideimide according to claim 1, wherein a diisocyanate derivative modified by reaction with R6OH is used in place of diisocyanate, and wherein R6 represents an alkyl radical of one to 10 carbon atoms, a cycloalkyl radical of three to 10 carbon atoms or an aryl radical of six to 22 carbon atoms.