US4544734A
Expired / Lapsed
US
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Modified thermoplastic copolyetherimide ester elastomers
Assignee: General Electric Co
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Filing: 1984-10-26
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Granted: 1985-10-01
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Expires: 2004-10-26
Abstract
Abstract Novel modified polyetherimide esters are prepared from diols, dicarboxylic acids and a combination of polyoxyalkylene diimide diacids and dimer acid. These compositions have many excellent properties which make them particularly useful for extrusion and molding applications.
Inventors
- 👤 Russell J. McCready
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 12:48
CPC Classifications
C; C08; C08G; C08G73/00; C08G73/06; C08G73/10; C08G73/16
Claims Analysis
Total Claims: 31
Claim 1
Independent Claim
66 words
A polyetherimide ester composition comprising the reaction product of (a) one or more low molecular weight diols, (b) one or more dicarboxylic acids, and (c) a combination of (i) one or more polyoxyalkylene diimide diacids and (ii) one or more dimer acids wherein the amount of dimer is from about 5 to about 40 percent by weight based on the combined weight of (i) and (ii).
Claim 2
Dependent Claim
66 words
A polyetherimide ester composition comprising the reaction product of (a) one or more low molecular weight diols, (b) one or more dicarboxylic acids, and (c) a combination of (i) one or more polyoxyalkylene diimide diacids and (ii) one or more dimer acids wherein the amount of dimer is from about 5 to about 40 percent by weight based on the combined weight of (i) and (ii).
Claim 3
Dependent Claim
30 words
The composition of claim 1 wherein the amount of dimer acid is from about 15 to about 30 percent by weight based on the combined weight of (i) and (ii).
Claim 4
Dependent Claim
31 words
The composition of claim 1 wherein the dimer acid is selected from the group consisting of dimerized, unsaturated fatty acids, the hydrogenated derivatives thereof and the acid functioning derivatives of either.
Claim 5
Dependent Claim
11 words
The composition of claim 3 wherein the dimer acid is hydrogenated.
Claim 6
Dependent Claim
19 words
The composition of claim 1 wherein the dimer acid is at least about 95% by weight hydrogenated dimer acid.
Claim 7
Dependent Claim
25 words
The composition of claim 1 wherein the diol component (a) is a C 2 to C 15 aliphatic or cycloaliphatic diol or a mixture thereof.
Claim 8
Dependent Claim
19 words
The composition of claim 6 wherein the diol component (a) is from about 60 to 100 mole % 1,4-butanediol.
Claim 9
Dependent Claim
19 words
The composition of claim 6 wherein the diol component (a) is from about 80 to 100 mole % 1,4-butanediol.
Claim 10
Dependent Claim
10 words
The composition of claim 6 wherein the diol is 1,4-butanediol.
Claim 11
Dependent Claim
46 words
The composition of claim 1 wherein the dicarboxylic acid component (b) is selected from the group consisting of C 2 to C 16 aliphatic and/or cycloaliphatic dicarboxylic acid or a C 6 to C 16 aromatic dicarboxylic acid or the ester equivalents thereof and mixtures thereof.
Claim 12
Dependent Claim
21 words
The composition of claim 10 wherein the dicarboxylic acid component (b) is from about 60 to 100 mole % dimethyl terephthalate.
Claim 13
Dependent Claim
21 words
The composition of claim 10 wherein the dicarboxylic acid component (b) is from about 80 to 100 mole % dimethyl terephthalate.
Claim 14
Dependent Claim
14 words
The composition of claim 10 wherein the dicarboxylic acid component (b) is dimethyl terephthalate.
Claim 15
Dependent Claim
143 words
The composition of claim 1 wherein the polyoxyalkylene diimide diacid component (i) is derived from one or more polyoxyalkylene diamines and one or more tricarboxylic acid compounds containing two vicinal carboxyl groups or an anhydride group and an additional carboxyl group, and is characterized by the following formula: ##STR3## wherein each R is independently selected from the group consisting of C 2 to C 20 aliphatic and cycloaliphatic trivalent organic radicals and C 6 to C 20 aromatic trivalent organic radicals; each R' is independently selected from the group consisting of hydrogen, C 1 to C 6 aliphatic and cycloaliphatic monovalent organic radicals and C 6 to C 12 aromatic monovalent organic radicals, and G is the radical remaining after removal of the amino groups of a long chain alkylene ether diamine having an average molecular weight of from about 600 to 12000.
Claim 16
Dependent Claim
57 words
The composition of claim 14 wherein the polyoxyalkylene diimide diacid is such that each R is a C 6 trivalent aromatic hydrocarbon radical, each R' is hydrogen and G is the radical remaining after removal of the amine groups of a long chain alkylene ether diamine having an average molecular weight of from about 900 to 4000.
Claim 17
Dependent Claim
40 words
The composition of claim 1 wherein the polyoxyalkylene diimide diacid is derived from trimellitic anhydride and a polyoxyalkylene diamine selected from the group consisting of polypropylene oxide diamine and a copoly(ethylene oxide-propylene oxide)diamine having predominately polyethylene oxide in the backbone.
Claim 18
Dependent Claim
25 words
The composition of claim 1 wherein the weight ratio of polyoxyalkylene diimide diacid (i) to dicarboxylic acid (b) is from about 0.25 to about 2.
Claim 19
Dependent Claim
25 words
The composition of claim 1 wherein the weight ratio of polyoxyalkylene diimide diacid (i) to dicarboxylic acid (b) is from about 0.4 to about 1.4.
Claim 20
Dependent Claim
38 words
The composition of claim 1 wherein up to a minor amount of a tricarboxylic component selected from the group consisting of carboxylic acid anhydrides having an additional carboxyl group and tricarboxylic acid compounds having two vicinal carboxyl groups.
Claim 21
Dependent Claim
77 words
The composition of claim 9 wherein the tricarboxylic component is characterized by the following formula: ##STR4## where R is selected from the group consisting of C 2 to C 20 aliphatic and cycloaliphatic trivalent organic radicals and C 6 to C 20 aromatic trivalent organic radicals and R' is selected from the group consisting of hydrogen, C 1 to C 6 aliphatic and cycloaliphatic monovalent organic radicals and C 6 to C 10 aromatic monovalent organic radicals.
Claim 22
Dependent Claim
12 words
The composition of claim 9 wherein the tricarboxylic component is trimellitic anhydride.
Claim 23
Dependent Claim
27 words
The composition of claim 9 wherein the tricarboxylic component is present in an amount up to 20 mole percent based on the moles of polyoxyalkylene diimide diacid.
Claim 24
Dependent Claim
27 words
The composition of claim 9 wherein the tricarboxylic compound is present in an amount up to 10 mole percent based on the moles of polyoxyalkylene diimide diacid.
Claim 25
Dependent Claim
96 words
A polyetherimide ester composition comprising the reaction product of (a) 1,4-butanediol (b) dimethylterephthalate and (c) a combination of (i) a polyoxyalkylene diimide diacid derived from trimellitic anhydride and a polyoxyalkylene diamine having the formula: H.sub.2 N--G--NH.sub.2 wherein G is the divalent radical remaining after removal of the amino groups of a long chain alkylene ether diamine having a molecular weight of from about 600 to about 12000 and (ii) a dimer acid wherein the amount of dimer is from about 5 to about 40 percent by weight based on the combined weight of (i) and (ii).
Claim 26
Dependent Claim
96 words
A polyetherimide ester composition comprising the reaction product of (a) 1,4-butanediol (b) dimethylterephthalate and (c) a combination of (i) a polyoxyalkylene diimide diacid derived from trimellitic anhydride and a polyoxyalkylene diamine having the formula: H.sub.2 N--G--NH.sub.2 wherein G is the divalent radical remaining after removal of the amino groups of a long chain alkylene ether diamine having a molecular weight of from about 600 to about 12000 and (ii) a dimer acid wherein the amount of dimer is from about 5 to about 40 percent by weight based on the combined weight of (i) and (ii).
Claim 27
Dependent Claim
33 words
The composition of claim 24 wherein the dimer acid is present in an amount of from about 15 to about 30 percent by weight based on the combined weight of (i) and (ii).
Claim 28
Dependent Claim
18 words
The composition of claim 24 wherein the dimer is the hydrogenated derivative of a dimerized unsaturated fatty acid.
Claim 29
Dependent Claim
23 words
The composition of claim 24 wherein the long chain alkylene ether diamine has a molecular weight of from about 900 to about 4000.
Claim 30
Dependent Claim
33 words
The composition of claim 24 wherein the long chain alkylene ether diamine is selected from the group consisting of polypropylene ether diamine and co(polyethylene ether-propylene ether) diamine having a predominately polyethylene ether backbone.
Claim 31
Dependent Claim
15 words
The composition of claim 24 in which trimellitic anhydride is added as an additional reactant.
References Cited (Backward Citations)
US31270A
Cited
US3236895A
Cited
US3274159A
Cited
US3355427A
Cited
FR1466708A
Cited
US3461136A
Cited
FR1551605A
Cited
US3555113A
Cited
US3695929A
Cited
US3654370A
Cited
FR2198975A1
Cited
US4156702A
Cited
US4390686A
Cited
US3975330A
Cited
US4230838A
Cited
US4081428A
Cited
US4127553A
Cited
USRE31270E
Cited
US4331786A
Cited
US4254001A
Cited
US4307226A
Cited
US4362861A
Cited
US4361680A
Cited
US4390687A
Cited
US4371693A
Cited
US4371692A
Cited
US4438240A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1988-09-30 | 1989-04-01 | 1989-10-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1992-09-30 | 1993-04-01 | 1993-10-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1996-09-30 | 1997-04-01 | 1997-10-01 | $7700.00 | Window Closed / Lapsed |