Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
115 words
A composition of terminal-modified imide oligomers which comprises a flexible terminal-modified imide oligomer and a rigid terminal-modified imide oligomer, wherein the flexible terminal-modified imide oligomer is formed from biphenyltetracarboxylic acid or its derivative, an aromatic diamine compound having two or more aromatic rings which are combined with each other directly or by a divalent group consisting of one, two or three atoms and an unsaturated monoamine compound or an unsaturated carboxylic acid or its derivative, and wherein the rigid terminal-modified imide oligomer is formed from biphenyltetra-carboxylic acid or its derivative, an aromatic diamine compound having only one aromatic ring or condensed ring and an unsaturated monoamine compound or an unsaturated carboxylic acid or its derivative.
Claim 2
Dependent Claim
115 words
A composition of terminal-modified imide oligomers which comprises a flexible terminal-modified imide oligomer and a rigid terminal-modified imide oligomer, wherein the flexible terminal-modified imide oligomer is formed from biphenyltetracarboxylic acid or its derivative, an aromatic diamine compound having two or more aromatic rings which are combined with each other directly or by a divalent group consisting of one, two or three atoms and an unsaturated monoamine compound or an unsaturated carboxylic acid or its derivative, and wherein the rigid terminal-modified imide oligomer is formed from biphenyltetra-carboxylic acid or its derivative, an aromatic diamine compound having only one aromatic ring or condensed ring and an unsaturated monoamine compound or an unsaturated carboxylic acid or its derivative.
Claim 3
Dependent Claim
82 words
The composition of terminal-modified imide oligomers as claimed in claim 1, wherein the flexible terminal-modified imide oligomer has the formula (Ia): ##STR5## wherein R is a monovalent unsaturated terminal group derived from an unsaturated monoamine compound; R 1 is a divalent aromatic residue derived from an aromatic diamine compound having two or more aromatic rings which are combined with each other directly or by a divalent group consisting of one, two or three atoms; and m is an integer of to 80.
Claim 4
Dependent Claim
86 words
The composition of terminal-modified imide oligomers as claimed in claim 1, wherein the flexible terminal-modified imide oligomer has the formula (Ib): ##STR6## wherein R' is a divalent unsaturated terminal group derived from an unsaturated dicarboxylic acid or its derivative; R 1 is a divalent aromatic residue derived from an aromatic diamine compound having two or more aromatic rings which are combined with each other directly or by a divalent group consisting of one, two or three atoms; and n is an integer of 1 to 80.
Claim 5
Dependent Claim
66 words
The composition of terminal-modified imide oligomers as claimed in claim 1, wherein the rigid terminal-modified imide oligomer has the formula (IIIa): ##STR7## wherein R is a monovalent unsaturated terminal group derived from an unsaturated monoamine compound; R 2 is a divalent aromatic residue derived from an aromatic diamine compound having only one aromatic ring or condensed ring; and m' is an integer of 1 to 80.
Claim 6
Dependent Claim
69 words
The composition of terminal-modified imide oligomers as claimed in claim 1, wherein the rigid terminal-modified imide oligomer has the formula (IIIb): ##STR8## wherein R' is a divalent unsaturated terminal group derived from an unsaturated dicarboxylic acid or its derivative; R 2 is a divalent aromatic residue derived from an aromatic diamine compound having only one aromatic ring or condensed ring; and n' is an integer of 1 to 80.
Claim 7
Dependent Claim
47 words
The composition of terminal-modified imide oligomers as claimed in claim 1, wherein each of the terminal-modified imide oligomers has a logarithmic viscosity in the range of 0.01 to 1 which is measured at concentration of 0.5 g/100 ml using N-methyl-2-pyrrolidone as solvent at temperature of 30° C.
Claim 8
Dependent Claim
30 words
The composition of terminal-modified imide oligomers as claimed in claim 1, wherein each of the terminal-modified imide oligomers has a melting point in the range of 100° to 300° C.
Claim 9
Dependent Claim
24 words
The composition of terminal-modified imide oligomers as claimed in claim 1, wherein each of the terminal-modified imide oligomers is soluble in an organic solvent.
Claim 10
Dependent Claim
44 words
The composition of terminal-modified imide oligomers as claimed in claim 1, wherein the rigid terminal-modified imide oligomer is contained in the composition in an amount of 2 to 70 weight % based on the total amount of the flexible and rigid terminal-modified imide oligomers.