US4283524A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for polymerization of composition comprising (1) alpha,beta-unsaturated monocarboxylic acid or ammonium salt thereof and (2) ammonia
Assignee: Standard Oil Co
•
Filing: 1979-04-23
•
Granted: 1981-08-11
•
Expires: 1999-04-23
Abstract
Abstract Polymers containing amide linkages can be formed in good yields by the dehydrative addition polymerization of alpha, beta-unsaturated monocarboxylic acids or the ammonium salts thereof. These polymers are suitable for use as fibers, plastics, films and molding resins.
Inventors
- 👤 Janice L. Greene
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 21:18
CPC Classifications
C; C08; C08G; C08G69/00
Claims Analysis
Total Claims: 40
Claim 1
Independent Claim
42 words
A process for producing a resinous polymer containing carbonamide linkages wherein the carbonamide nitrogen is an integral part of the polymer backbone comprising polymerizing a composition comprising (1) at least one alpha, beta-unsaturated monocarboxylic acid or ammonium salt thereof and (2) ammonia.
Claim 2
Dependent Claim
42 words
A process for producing a resinous polymer containing carbonamide linkages wherein the carbonamide nitrogen is an integral part of the polymer backbone comprising polymerizing a composition comprising (1) at least one alpha, beta-unsaturated monocarboxylic acid or ammonium salt thereof and (2) ammonia.
Claim 3
Dependent Claim
14 words
The process of claim 1 wherein said process is conducted in the liquid phase.
Claim 4
Dependent Claim
19 words
The process of claim 1 wherein said polymer is produced by reacting at least one alpha, beta-unsaturated monocarboxylic acid.
Claim 5
Dependent Claim
14 words
The process of claim 3 wherein said alpha, beta-unsaturated monocarboxylic acid is acrylic acid.
Claim 6
Dependent Claim
14 words
The process of claim 3 wherein said alpha, beta-unsaturated monocarboxylic acid is methacrylic acid.
Claim 7
Dependent Claim
23 words
The process of claim 1 wherein said polymer is produced by reacting an ammonium salt of at least one alpha, beta-unsaturated monocarboxylic acid.
Claim 8
Dependent Claim
20 words
The process of claim 6 wherein said ammonium salt of at least one alpha, beta-unsaturated monocarboxylic acid is ammonium acrylate.
Claim 9
Dependent Claim
20 words
The process of claim 6 wherein said ammonium salt of at least one alpha, beta-unsaturated monocarboxylic acid is ammonium methacrylate.
Claim 10
Dependent Claim
18 words
The process of claim 1 wherein said process is conducted in the presence of a vinyl addition inhibitor.
Claim 11
Dependent Claim
21 words
The process of claim 1 wherein said alpha, beta-unsaturated monocarboxylic acid or ammonium salt thereof contains less than 40 carbon atoms.
Claim 12
Dependent Claim
21 words
The process of claim 1 wherein said alpha, beta-unsaturated monocarboxylic acid or ammonium salt thereof contains less than 6 carbon atoms.
Claim 13
Dependent Claim
73 words
The process of claim 1 wherein the alpha, beta-unsaturated monocarboxylic acid or ammonium salt thereof is represented by the following formula: ##STR11## wherein Y is hydrogen or ammonium; and wherein R 1 , R 2 and R 3 are each independently selected from the group consisting of: (1) hydrogen; (2) C 1-30 alkyl; (3) 5 to 7 member nitrogen containing heterocyclic radical; (4) carbocyclic radical containing up to 30 carbon atoms; (5) halide.
Claim 14
Dependent Claim
36 words
The process of claim 8 wherein R 1 , R 2 and R 3 are each independently selected from the group consisting of: (1) hydrogen; (2) C 1-5 alkyl; (3) 5 to 6 member carbocyclic radical.
Claim 15
Dependent Claim
26 words
The process of claim 8 wherein R 1 , R 2 and R 3 are each independently selected from the group consisting of hydrogen and methyl.
Claim 16
Dependent Claim
13 words
The process of claim 1 wherein R 1 and R 2 are hydrogen.
Claim 17
Dependent Claim
23 words
The process of claim 1 wherein said process is conducted at a temperature between 100° C. and the decomposition temperature of the polymer.
Claim 18
Dependent Claim
19 words
The process of claim 16 wherein said process is conducted at a temperature between 125° C. and 200° C.
Claim 19
Dependent Claim
19 words
The process of claim 1 wherein said process is conducted at a pressure between 0 psig and 5000 psig.
Claim 20
Dependent Claim
19 words
The process of claim 18 wherein said process is conducted at a pressure between 50 psig and 2000 psig.
Claim 21
Dependent Claim
21 words
The process of claim 1 wherein said polymer is formed from two or more alpha, beta-unsaturated acids or ammonium salts thereof.
Claim 22
Dependent Claim
11 words
The process of claim 1 wherein said resinous polymer is recovered.
Claim 23
Dependent Claim
16 words
The process of claim 1 wherein said process is carried out in the absence of oxygen.
Claim 24
Dependent Claim
18 words
The process of claim 22 wherein said process is carried out in the presence of an inert gas.
Claim 25
Dependent Claim
21 words
The process of claim 1 wherein there is at least one mole of ammonia per mole of alpha, beta-unsaturated monocarboxylic acid.
Claim 26
Dependent Claim
99 words
The process of claim 1 wherein the polymer contains the following structural units: ##STR12## wherein R 1 , R 2 and R 3 are each independently selected from the group consisting of: (1) hydrogen; (2) C 1-30 alkyl; (3) 5 to 7 member nitrogen containing heterocyclic radical; (4) carbocyclic radical containing up to 30 carbon atoms; and (5) halide; and wherein T is a branched chain site; and wherein M is OH, ONH 4 , ONH 2 T or NHT; and wherein x, y and z are the relative ratios of amide and vinyl structural units in the polymer.
Claim 27
Dependent Claim
13 words
The process of claim 25 wherein the (x+y)/z ratio is greater than 1.0.
Claim 28
Dependent Claim
13 words
The process of claim 25 wherein the (x+y)/z ratio is greater than 3.0.
Claim 29
Dependent Claim
13 words
The process of claim 25 wherein the (x+y)/z ratio is greater than 5.5.
Claim 30
Dependent Claim
12 words
The process of claim 1 wherein a water insoluble polymer is produced.
Claim 31
Dependent Claim
23 words
The process of claim 1 wherein the process is conducted in the presence of a solvent for the reactants or products or both.
Claim 32
Dependent Claim
15 words
A composition of matter comprising the resinous polymer produced by the process of claim 1.
Claim 33
Dependent Claim
12 words
The process of claim 1 wherein water is produced by said polymerization.
Claim 34
Dependent Claim
11 words
The process of claim 32 wherein the excess water is removed.
Claim 35
Dependent Claim
29 words
The process of claim 33 wherein the concentration of water is less than 5 moles of water per mole of the alpha, beta-unsaturated monocarboxylic acid or ammonium salt thereof.
Claim 36
Dependent Claim
17 words
The process of claim 34 wherein the water concentration is maintained at between 0.01 and 1.0 mole.
Claim 37
Dependent Claim
16 words
The process of claim 35 wherein the water concentration is maintained between 0.05 and 0.7 moles.
Claim 38
Dependent Claim
17 words
The process of claim 33 wherein said water is removed by the addition of a metal alkoxide.
Claim 39
Dependent Claim
19 words
The process of claim 1 wherein (1) is at least one ammonium salt of an alpha, beta-unsaturated monocarboxylic acid.
Claim 40
Dependent Claim
30 words
The process of claim 38 wherein substantially all of the ammonia in the reaction system is added in the form of the ammonium salt of an alpha, beta-unsaturated monocarboxylic acid.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1984-08-10 | 1985-02-09 | 1985-08-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1988-08-10 | 1989-02-09 | 1989-08-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1992-08-10 | 1993-02-09 | 1993-08-11 | $7700.00 | Window Closed / Lapsed |