Patent US4089771A successfully refreshed from Google Patents.
Patent US4864009A successfully refreshed from Google Patents.
US4864009A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Molding composition consisting of aliphatic/aromatic copolyamide
Assignee: Huels AG
•
Filing: 1988-09-29
•
Granted: 1989-09-05
•
Expires: 2008-09-29
Abstract
Abstract A molding composition, comprising an aliphatic/aromatic copolyamide polymer having statistically distributed throughout the polymer: (A) from greater than 40 to less than 100 mole % aliphatic monomer units containing amino groups, carboxyl groups or mixtures thereof; and (B) up to 60 mole % of aromatic monomer units containing amino groups, carboxy groups or mixtures thereof, said aromatic monomer units containing at least one member selected from the group consisting of 4,4'-bis(4-aminophenoxy)diphenyl sulfone, 4,4'-bis(3-aminophenoxy)diphenyl sulfone, 4,4'-bis(4-aminophenoxy)benzophenone, and 4,4'-bis(3-aminophenoxy)benzophenone.
Inventors
- 👤 Juergen Finke
- 👤 Wolfgang Neugebauer
- 👤 Holger Koziel
- 👤 Martin Bartmann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 16:54
CPC Classifications
C; C08; C08G; C08G69/00; C08G69/42; C08G69/02; C08G69/26
Claims Analysis
Total Claims: 21
Claim 1
Independent Claim
77 words
A molding composition, comprising an aliphatic/aromatic copolyamide polymer having statistically distributed throughout the polymer: (A) from greater than 40 to less than 100 mole % aliphatic monomer units containing amino groups, carboxyl groups or mixtures thereof; and (B) up to 60 mole % of aromatic monomer units containing amino groups, carboxyl groups or mixtures thereof, said aromatic monomer units containing at least one member selected from the group consisting of 4,4'-bis(4-aminophenoxy)diphenyl sulfone, 4,4'-bis(3-aminophenoxy)diphenyl sulfone, 4,4'-bis(4-aminophenoxy)benzophenone, and 4,4'-bis(3aminophenoxy)benzophenone.
Claim 2
Dependent Claim
77 words
A molding composition, comprising an aliphatic/aromatic copolyamide polymer having statistically distributed throughout the polymer: (A) from greater than 40 to less than 100 mole % aliphatic monomer units containing amino groups, carboxyl groups or mixtures thereof; and (B) up to 60 mole % of aromatic monomer units containing amino groups, carboxyl groups or mixtures thereof, said aromatic monomer units containing at least one member selected from the group consisting of 4,4'-bis(4-aminophenoxy)diphenyl sulfone, 4,4'-bis(3-aminophenoxy)diphenyl sulfone, 4,4'-bis(4-aminophenoxy)benzophenone, and 4,4'-bis(3aminophenoxy)benzophenone.
Claim 3
Dependent Claim
19 words
The molding composition of claim 1, wherein said aliphatic monomer units are derived from C 4-20 aliphatic dicarboxylic acids.
Claim 4
Dependent Claim
32 words
The molding composition of claim 2, wherein said aliphatic dicarboxylic acid is selected from the group consisting of succinic, glutaric, adipic, suberic, pimelic, and sebacic acids and their anhydrides and acid halides.
Claim 5
Dependent Claim
88 words
The molding composition of claim 1, wherein said carboxyl group-containing aromatic monomer unit is derived from unsubstituted isophthalic acid or terephthalic acid or mono- and poly-substituted isophthalic acid and terephthalic acid wherein said isophthalic and terephthalic acids are substituted on the aromatic ring with (a) C 1-6 alkyl groups, (b) phenyl or C 1-6 alkyl or aryl-substituted phenyl groups, (c) C 1-6 alkoxy groups, (d) unsubstituted phenoxy groups or phenoxy groups in which the phenyl ring is substituted by C 1-6 alkyl or aryl groups, or (e) halogens.
Claim 6
Dependent Claim
30 words
The molding composition of claim 1, wherein said carboxyl group-containing aromatic monomer unit is derived from a dicarboxylic acid of the formula HOOC--Ar--O--Ar--SO.sub.2 --Ar--O--Ar--COOH wherein Ar is m-phenylene or p-phenylene.
Claim 7
Dependent Claim
16 words
The molding composition of claim 5, wherein said dicarboxylic acid is 4,4'-bis(4-carboxyphenoxy)diphenyl sulfone or 4,4'-bis(3-carboxyphenoxy)diphenyl sulfone.
Claim 8
Dependent Claim
39 words
The molding composition of claim 1, wherein said carboxyl group-containing aromatic monomer unit is derived from a dicarboxylic acid of the formula HOOC--AR--A--AR--COOH wherein Ar is m-phenylene or p-phenylene, and A is --O--, --S--, --SO 2 --, or --SO--.
Claim 9
Dependent Claim
20 words
The molding composition of claim 7, wherein said dicarboxylic acid is 4,4'-dicarboxydiphenyl ether, 4,4'-dicarboxydiphenyl sulfone, 4,4'-benzophenonedicarboxylic acid, or 4,4'-diphenyldicarboxylic acid.
Claim 10
Dependent Claim
21 words
The molding composition of claim 1, wherein said amino group-containing aliphatic monomer unit is derived from a C 4-20 aliphatic diamine.
Claim 11
Dependent Claim
34 words
The molding composition of claim 1, wherein said amino group-containing aromatic monomer unit is derived from an aromatic diamine selected from the group consisting of 4,4'-bis(4-aminophenoxy)diphenyl sulfone, 4,4'-bis(3-aminophenoxy)diphenyl sulfone, 4,4'-bis(4-aminophenoxy)benzophenone, 4,4'-bis(3-aminophenoxy)benzophenone and mixtures thereof.
Claim 12
Dependent Claim
77 words
The molding composition of claim 1, wherein up to 20 mole % of said amino group-containing aromatic monomer unit is replaced by monomer units derived from diamines of the formula H.sub.2 N--Ar--((Z).sub.q --Ar).sub.r --NH.sub.2 wherein Ar is m-phenylene or p-phenylene, Z is an identical or different group selected from the group consisting of --O--, --S--, --SO 2 --, --CO--, and --C(CH 3 ) 2 --, q is 0 or 1, and r is 0, 1, or 2.
Claim 13
Dependent Claim
25 words
The molding composition of claim 11, wherein said diamine is selected from the group consisting of m-phenylenediamine, p-phenylenediamine, 4 4'-diaminodiphenyl ether, 4,4'-diaminodiphenyl sulfone and 4,4'-diaminobenzophenone.
Claim 14
Dependent Claim
39 words
The molding composition of claim 1, wherein said amino group-containing aliphatic monomer units and said carboxyl group-containing aliphatic monomer units are replaced by up to 100 mole % of C 4-20 aliphatic alpha, omega-amino carboxylic acids or lactams thereof.
Claim 15
Dependent Claim
29 words
The molding composition of claim 13, wherein said alpha, omega-amino carboxylic acid or lactam is selected from the group consisting of amino undecanoic acid, aminododecanoic acid, caprolactam and laurolactam.
Claim 16
Dependent Claim
16 words
The molding composition of claim 14, wherein said amino carboxylic acid lactam is caprolactam or laurolactam.
Claim 17
Dependent Claim
37 words
The molding composition of claim 1, wherein said copolyamide polymer has a viscosity in the range of η rel =1.10-2.30 measured at 25° C. in m-cresol at a concentration of 0.5 wt. % of the copolyamide polymer.
Claim 18
Dependent Claim
20 words
The molding composition of claim 1, wherein said copolyamide polymer has a glass temperature in the range of 100°-220° C.
Claim 19
Dependent Claim
18 words
The molding composition of claim 1, wherein said copolyamide comprises greater than 60 mole % aliphatic monomer units.
Claim 20
Dependent Claim
18 words
The molding composition of claim 1, wherein said copolyamide comprises 80 to 95 mole % aliphatic monomer units.
Claim 21
Dependent Claim
13 words
The molding composition of claim 1, wherein said aromatic diamine is 4,4'-bis(4-aminophenoxy)diphenyl sulfone.
References Cited (Backward Citations)
US3514415A
Cited
US4786706A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1992-09-04 | 1993-03-06 | 1993-09-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1996-09-04 | 1997-03-06 | 1997-09-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2000-09-04 | 2001-03-06 | 2001-09-05 | $7700.00 | Window Closed / Lapsed |