Patent US4760112A successfully refreshed from Google Patents.
US4760112A
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Thermoplastic polyetherimide ester polymers exhibiting high flexural modulus
Assignee: General Electric Co
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Filing: 1986-12-01
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Granted: 1988-07-26
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Expires: 2006-12-01
Abstract
Abstract Polyetherimide ester polymers exhibiting a high flexural modulus comprising the reaction products of: (i) at least one diol; (ii) at least one dicarboxylic acid or an ester forming reactive derivative thereof; and (iii) a set of reactants selected from (a) (1) at least one high molecular weight poly(oxy alkylene)diamine, and (2) at least one tricarboxylic acid or its derivative, or (b) at least one high molecular weight polyoxyalkylene diimide diacid; wherein the weight ratio of (iii) to (ii) is from about 0.002 to 0.20:1.
Inventors
- 👤 Russell J. McCready
- 👤 John A. Tyrell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 14:42
CPC Classifications
C; C08; C08G; C08G73/00; C08G73/06; C08G73/10; C08G73/16
Claims Analysis
Total Claims: 34
Claim 1
Independent Claim
86 words
A polyetherimide ester polymer exhibiting a high flexural modulus comprising the reaction products of: (i) at least one diol; (ii) at least one dicarboxylic acid or an ester forming reactive derivative thereof; and (iii) a set of reactants selected from (a) (1) at least one high molecular weight poly(oxy alkylene)diamine, and (2) at least one tricarboxylic acid or a derivative thereof, or (b) at least one high molecular weight polyoxyalkylene diimide diacid; wherein the weight ratio of (iii) to (ii) is from about 0.002 to 0.20:1.
Claim 2
Dependent Claim
86 words
A polyetherimide ester polymer exhibiting a high flexural modulus comprising the reaction products of: (i) at least one diol; (ii) at least one dicarboxylic acid or an ester forming reactive derivative thereof; and (iii) a set of reactants selected from (a) (1) at least one high molecular weight poly(oxy alkylene)diamine, and (2) at least one tricarboxylic acid or a derivative thereof, or (b) at least one high molecular weight polyoxyalkylene diimide diacid; wherein the weight ratio of (iii) to (ii) is from about 0.002 to 0.20:1.
Claim 3
Dependent Claim
20 words
The polymer of claim 1 wherein said weight ratio of (iii) to (ii) is from about 0.005 to about 0.15:1.
Claim 4
Dependent Claim
20 words
The polymer of claim 2 wherein said weight ratio of (iii) to (ii) is from about 0.005 to about 0.10:1.
Claim 5
Dependent Claim
26 words
The polymer of claim 1 wherein said diol (i) is a low molecular weight diol selected from C 2 to C 15 aliphatic or cycloaliphatic diols.
Claim 6
Dependent Claim
18 words
The polymer of claim 4 wherein at least about 60 mole percent of said diols are the same.
Claim 7
Dependent Claim
18 words
The polymer of claim 4 wherein at least about 80 mole percent of said diols are the same.
Claim 8
Dependent Claim
11 words
The polymer of claim 6 wherein the predominate diol is 1,4-butanediol.
Claim 9
Dependent Claim
10 words
The polymer of claim 1 wherein said diol is 1,4-butanediol.
Claim 10
Dependent Claim
10 words
The polymer of claim 1 wherein said diol is butenediol.
Claim 11
Dependent Claim
27 words
The polymer of claim 1 wherein said diol is comprised of a mixture of 1,4-butanediol and at least one diol selected from butenediol, hexanediol, and cyclohexane dimethanol.
Claim 12
Dependent Claim
22 words
The polymer of claim 1 wherein said dicarboxylic acid is selected from C 2 -C 19 aliphatic, cycloaliphatic, or aromatic dicarboxylic acids.
Claim 13
Dependent Claim
15 words
The polymer of claim 11 wherein said dicarboxylic acid is selected from aromatic dicarboxylic acids.
Claim 14
Dependent Claim
12 words
The polymer of claim 12 wherein said aromatic dicarboxylic acid is dimethylterephthalate.
Claim 15
Dependent Claim
9 words
The polymer of claim 1 wherein (iii) is (a).
Claim 16
Dependent Claim
56 words
The polymer of claim 14 wherein said high molecular weight poly(oxy alkylene)diamine (iii) (a)(1) is represented by the formula H.sub.2 N-G-NH.sub.2 wherein G is radical remaining after the removal of the amino groups of a long chain alkylene ether diamine, and said poly(oxy alkylene)diamine has an average molecular weight of from about 600 to about 12,000.
Claim 17
Dependent Claim
21 words
The polymer of claim 15 wherein said poly(oxy alkylene)diamine has an average molecular weight of from about 900 to about 4,000.
Claim 18
Dependent Claim
22 words
The polymer of claim 16 wherein said poly(oxy alkylene)diamine is selected from poly (ethylene ether)diamine, poly(propylene ether)diamine, poly(tetramethylene ether)diamine, or mixtures thereof.
Claim 19
Dependent Claim
43 words
The polymer of claim 14 wherein said tricarboxylic acid (iii)(a)(2) is represented by the formula ##STR5## wherein R is a C 2 to C 20 trivalent aliphatic, cycloaliphatic or aromatic radical, and R' is hydrogen or a C 1 -C 6 aliphatic radical.
Claim 20
Dependent Claim
12 words
The polymer of claim 18 wherein said tricarboxylic acid is trimellitic anhydride.
Claim 21
Dependent Claim
9 words
The polymer of claim 1 wherein (iii) is (b).
Claim 22
Dependent Claim
103 words
The polymer of claim 20 wherein said high molecular weight polyoxyalkylene diimide diacid is represented by the formula ##STR6## wherein: each R is independently selected from C 1 -C 20 aliphatic or cycloaliphatic trivalent organic radicals or C 6 -C 20 aromatic trivalent organic radicals; each R' is independently selected from hydrogen, C 1 -C 6 aliphatic or cycloaliphatic monovalent organic radicals, or C 6 -C 12 aromatic monovalent organic radicals; and G is the radical remaining after the removal of the amino groups of a long chain alkylene ether diamine having an average molecular weight of from about 600 to about 12,000.
Claim 23
Dependent Claim
51 words
The polymer of claim 21 wherein each R is a C6 trivalent aromatic hydrocarbon radical, each R' is hydrogen, and G is the radical remaining after the removal of the amino groups of a long chain alkylene ether diamine having an average molecular weight of from about 900 to about 4,000.
Claim 24
Dependent Claim
99 words
A polyetherimide ester polymer exhibiting improved flexural modulus comprised of at least the following two recurring structural units ##STR7## wherein R 1 is the residue of a diol absent the hydroxy groups, R 2 is the residue of a dicarboxylic acid absent the two carboxyl groups, R is a trivalent organic radical, and G is the radical remaining after the removal of the amino groups of a long chain poly (oxy alkylene)diamine having an average molecular weight of from about 600 to about 12,000, and wherein the weight ratio of I to II is from about 0.002 to 0.20:1.
Claim 25
Dependent Claim
99 words
A polyetherimide ester polymer exhibiting improved flexural modulus comprised of at least the following two recurring structural units ##STR7## wherein R 1 is the residue of a diol absent the hydroxy groups, R 2 is the residue of a dicarboxylic acid absent the two carboxyl groups, R is a trivalent organic radical, and G is the radical remaining after the removal of the amino groups of a long chain poly (oxy alkylene)diamine having an average molecular weight of from about 600 to about 12,000, and wherein the weight ratio of I to II is from about 0.002 to 0.20:1.
Claim 26
Dependent Claim
20 words
The polymer of claim 23 wherein said weight ratio of I to II is from about 0.005 to about 0.15:1.
Claim 27
Dependent Claim
20 words
The polymer of claim 24 wherein said weight ratio of I to II is from about 0.005 to about 0.10:1.
Claim 28
Dependent Claim
36 words
The polymer of claim 23 wherein G is the radical remianing after the removal of the amino groups of a long chain poly(oxy alkylene)diamine having an average molecular weight of from about 900 to about 4,000.
Claim 29
Dependent Claim
18 words
The polymer of claim 23 wherein R 1 is the residue of a low molecular weight aliphatic diol.
Claim 30
Dependent Claim
20 words
The polymer of claim 27 wherein said aliphatic diol is selected from butanediol, butenediol, hexanediol, cyclohexane dimethanol, or mixtures thereof.
Claim 31
Dependent Claim
16 words
The polymer of claim 23 wherein R 2 is the residue of an aromatic dicarboxylic acid.
Claim 32
Dependent Claim
14 words
The polymer of claim 29 wherein R 2 is the residue of dimethyl terephthalate.
Claim 33
Dependent Claim
30 words
The polymer of claim 23 wherein R is independently selected from C 2 -C 20 aliphatic or cycloaliphatic trivalent organic radicals or C 6 -C 20 aromatic trivalent organic radicals.
Claim 34
Dependent Claim
15 words
The polymer of claim 31 wherein R is a C 6 aromatic trivalent hydrocarbon radical.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
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| 3.5 Years (Year 4) | 1991-07-26 | 1992-01-25 | 1992-07-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1995-07-26 | 1996-01-25 | 1996-07-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1999-07-26 | 2000-01-25 | 2000-07-26 | $7700.00 | Window Closed / Lapsed |