US3867356A
Expired / Lapsed
US
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Arylene sulfide polymers
Assignee: Phillips Petroleum Co
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Filing: 1973-11-19
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Granted: 1975-02-18
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Expires: 1993-11-19
Abstract
Abstract A method of producing arylene sulfide polymers employing (1) polyhalosubstituted aromatic compounds; (2) alkali metal bisulfides; (3) alkali metal aminoalkanoates; and, (4) organic amides.
Inventors
- 👤 Robert W Campbell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 18:54
CPC Classifications
C; C08; C08G; C08G75/00; C08G75/02; C08G75/0204; C08G75/025; C08G75/0259
Claims Analysis
Total Claims: 21
Claim 1
Independent Claim
178 words
A METHOD OF PRODUCING A POLYMER WHICH COMPRISES: A. FORMING A COMPOSITION BY CONTACTING AT LEAST ONE POLYHALO-SUBSTITUTED AROMATIC COMPOUND WHEREIN THE HALOGEN ATOMS ARE ATTACHED TO AROMATIC RING CARBON LEAST ONE ORGANIC AMIDE, AT LEAST ONE ALKYLIC METAL AMINOALKANOATE HAVING THE FORMULA R2N(CR2)NCO2M WHEREIN EACH R IS SELECTED FROM THE GROUP CONSISTING OF HYDROGEN AND HYDROCARBYL RADICALS SELECTED FROM ALKYL, CYCLOALKL, AND ARYL AND COMBINATIONS OF SAID RADICALS, THE NUMBER OF CARBON ATOMS IN EACH OF SAID HYDROCARBYL RADICALS BEING WITHIN THE RANGE OF 1 TO ABOUT 12, M IS AN ALKALI METAL SELECTED FROM THE GROUP CONSISTING OF LITHIUM, SODIUM, POTASSIUM, RUBIDIUM AND CESIUM, N IS AN INTEGER OF 1 TO ABOUT 12, AND THE TOTAL NUMBER OF CARBON ATOMS IN EACH MOLECULE OF SAID ALKALI METAL AMINOALKANOATE IS WITHIN THE RANGE OF 2 TO ABOUT 24, AND AN ALKALI METAL BISULFIDE SELECTED FROM THE GROUP CONSISTING OF LITHIUM BISULFIDE, SODIUM BISULFIDE, POTASSIUM BISULFIDE, RUBIDIUM BISUFLIDE AND CESIUM BISULFIDE; AND, B. MAINTAINING AT LEAST A PORTION OF SAID COMPOSITION AT POLYMERIZATION CONDITIONS TO PRODUCE SAID POLYMER,
Claim 2
Independent Claim
178 words
A METHOD OF PRODUCING A POLYMER WHICH COMPRISES: A. FORMING A COMPOSITION BY CONTACTING AT LEAST ONE POLYHALO-SUBSTITUTED AROMATIC COMPOUND WHEREIN THE HALOGEN ATOMS ARE ATTACHED TO AROMATIC RING CARBON LEAST ONE ORGANIC AMIDE, AT LEAST ONE ALKYLIC METAL AMINOALKANOATE HAVING THE FORMULA R2N(CR2)NCO2M WHEREIN EACH R IS SELECTED FROM THE GROUP CONSISTING OF HYDROGEN AND HYDROCARBYL RADICALS SELECTED FROM ALKYL, CYCLOALKL, AND ARYL AND COMBINATIONS OF SAID RADICALS, THE NUMBER OF CARBON ATOMS IN EACH OF SAID HYDROCARBYL RADICALS BEING WITHIN THE RANGE OF 1 TO ABOUT 12, M IS AN ALKALI METAL SELECTED FROM THE GROUP CONSISTING OF LITHIUM, SODIUM, POTASSIUM, RUBIDIUM AND CESIUM, N IS AN INTEGER OF 1 TO ABOUT 12, AND THE TOTAL NUMBER OF CARBON ATOMS IN EACH MOLECULE OF SAID ALKALI METAL AMINOALKANOATE IS WITHIN THE RANGE OF 2 TO ABOUT 24, AND AN ALKALI METAL BISULFIDE SELECTED FROM THE GROUP CONSISTING OF LITHIUM BISULFIDE, SODIUM BISULFIDE, POTASSIUM BISULFIDE, RUBIDIUM BISUFLIDE AND CESIUM BISULFIDE; AND, B. MAINTAINING AT LEAST A PORTION OF SAID COMPOSITION AT POLYMERIZATION CONDITIONS TO PRODUCE SAID POLYMER,
Claim 3
Dependent Claim
33 words
The method of claim 1 in which said polyhalo-substituted aromatic compound is employed in an amount within the range of from about 0.9 to about 2 gram-moles per gram-mole of alkali metal bisulfide.
Claim 4
Dependent Claim
33 words
The method of claim 2 in which the alkali metal aminoalkanoate is employed in an amount within the range of from about 0.3 to about 4 gram-moles per gram-mole of alkali metal bisulfide.
Claim 5
Dependent Claim
35 words
The method of claim 2 in which said organic amide is employed in an amount within the range of from about 100 grams to about 2, 500 grams per gram-mole of said polyhalo-substituted aromatic compound.
Claim 6
Dependent Claim
14 words
The method of claim 1 in which said alkali metal aminoalkanoate is sodium N-methyl-4-aminobutyrate.
Claim 7
Dependent Claim
14 words
The method of claim 5 in which said alkali metal bisulfide is sodium bisulfide.
Claim 8
Dependent Claim
26 words
The method of claim 6 in which said alkali metal aminoalkanoate is employed in an amount of about 1 gram-mole per gram-mole of alkali metal bisulfide.
Claim 9
Dependent Claim
21 words
The method of claim 1 in which water is removed from said composition prior to maintaining said composition at polymerization conditions.
Claim 10
Dependent Claim
21 words
The method of claim 7 in which water is removed from said composition prior to maintaining said composition at polymerization conditions.
Claim 11
Independent Claim
195 words
A method of producing a polymer which comprises: a. contacting at least one organic amide, at least one alkali metal bisulfide selected from the group consisting of lithium bisulfide, sodium bisulfide, potassium bisulfide, rubidium bisulfide and cesium bisulfide and at least one alkali metal aminoalkanoate having the formula R2N(CR2)nCO2M wherein each R is selected from the group consisting of hydrogen and hydrocarbyl radicals selected from alkyl, cycloalkyl and aryl and combinations of said radicals, the number of carbon atoms in each of said hydrocarbyl radicals being within the range of 1 to about 12, M is an alkali metal selected from the group consisting of lithium, sodium, potassium, rubidium and cesium, n is an integer of 1 to about 12, and the total number of carbon atoms in each molecule of said alkali metal aminoalkanoate is within the range of 2 to about 24, to form a first composition; b. contacting at least a portion of said first composition with at least one polyhalo-substituted aromatic compound wherein the halogen atoms are attached to aromatic ring carbon atoms to form a second composition; and, c. maintaining said second composition at polymerization conditions to form said polymer.
Claim 12
Independent Claim
195 words
A method of producing a polymer which comprises: a. contacting at least one organic amide, at least one alkali metal bisulfide selected from the group consisting of lithium bisulfide, sodium bisulfide, potassium bisulfide, rubidium bisulfide and cesium bisulfide and at least one alkali metal aminoalkanoate having the formula R2N(CR2)nCO2M wherein each R is selected from the group consisting of hydrogen and hydrocarbyl radicals selected from alkyl, cycloalkyl and aryl and combinations of said radicals, the number of carbon atoms in each of said hydrocarbyl radicals being within the range of 1 to about 12, M is an alkali metal selected from the group consisting of lithium, sodium, potassium, rubidium and cesium, n is an integer of 1 to about 12, and the total number of carbon atoms in each molecule of said alkali metal aminoalkanoate is within the range of 2 to about 24, to form a first composition; b. contacting at least a portion of said first composition with at least one polyhalo-substituted aromatic compound wherein the halogen atoms are attached to aromatic ring carbon atoms to form a second composition; and, c. maintaining said second composition at polymerization conditions to form said polymer.
Claim 13
Dependent Claim
33 words
The method of claim 10 in which said polyhalo-substituted aromatic compound is employed in an amount within the range of from about 0.9 to about 2 gram-moles per gram-mole of alkali metal bisulfide.
Claim 14
Dependent Claim
33 words
The method of claim 11 in which the alkali metal aminoalkanoate is employed in an amount within the range of from about 0.3 to about 4 gram-moles per gram-mole of alkali metal bisulfide.
Claim 15
Dependent Claim
34 words
The method of claim 11 in which said organic amide is employed in an amount within the range of from about 100 grams to about 2,500 grams per gram-mole of said polyhalo-substituted aromatic compound.
Claim 16
Dependent Claim
14 words
The method of claim 10 in which said alkali metal aminoalkanoate is sodium N-methyl-4-aminobutyrate.
Claim 17
Dependent Claim
14 words
The method of claim 14 in which said alkali metal bisulfide is sodium bisulfide.
Claim 18
Dependent Claim
26 words
The method of claim 15 in which said alkali metal aminoalkaNoate is employed in an amount of about 1 gram-mole per gram-mole of alkali metal bisulfide.
Claim 19
Dependent Claim
23 words
The method of claim 10 in which water is removed from said first composition prior to maintaining said second composition at polymerization conditions.
Claim 20
Dependent Claim
23 words
The method of claim 16 in which water is removed from said first composition prior to maintaining said second composition at polymerization conditions.
Claim 21
Dependent Claim
13 words
The method of claim 10 in which said polyhalo-substituted aromatic compound is 1,4-dichlorobenzene.
References Cited (Backward Citations)
US3354129A
Cited
US3538166A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-02-17 | 1978-08-19 | 1979-02-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-02-17 | 1982-08-19 | 1983-02-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-02-17 | 1986-08-19 | 1987-02-18 | $7700.00 | Window Closed / Lapsed |