US4379901A
Expired / Lapsed
US
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Polyfluoroallyl ethers and their production and use
Assignee: Daikin Industries Ltd
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Filing: 1981-09-28
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Granted: 1983-04-12
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Expires: 2001-09-28
Abstract
Abstract A polyfluoroallyl ether of the formula: <IMAGE> wherein each X, which is the same or different, is a chlorine atom or a fluorine atom and each Y, which is the same or different, is a hydrogen atom, a chlorine atom or a fluorine atom, which is useful as a modifier for polymers.
Inventors
- 👤 Yoshio Amimoto
- 👤 Masayoshi Tatemoto
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 09:29
CPC Classifications
C; C07; C07C; C07C255/00; C08; C08F; C08F16/00; C08F16/12; C08F16/14; C08F16/28
Claims Analysis
Total Claims: 24
Claim 1
Independent Claim
45 words
A polyfluoroallyl ether of the formula: ##STR6## wherein each X, which is the same or different, is a chlorine atom or a fluorine atom and wherein each Y, which is the same or different, is a hydrogen atom, a chlorine atom or a fluorine atom.
Claim 2
Dependent Claim
45 words
A polyfluoroallyl ether of the formula: ##STR6## wherein each X, which is the same or different, is a chlorine atom or a fluorine atom and wherein each Y, which is the same or different, is a hydrogen atom, a chlorine atom or a fluorine atom.
Claim 3
Dependent Claim
14 words
The polyfluoroallyl ether according to claim 1, wherein each Y is a fluorine atom.
Claim 4
Dependent Claim
17 words
The polyfloroallyl ether according to claim 1 or claim 2, wherein each X is a fluorine atom.
Claim 5
Dependent Claim
24 words
The polyfluoroallyl ether according to claim 1 or claim 2, wherein one X is a fluorine atom, and the other is a chlorine atom.
Claim 6
Dependent Claim
17 words
The polyfluoroallyl ether according to claim 1 or claim 2, wherein each X is a chlorine atom.
Claim 7
Dependent Claim
96 words
A process for preparing polyfluoroallyl ethers of the formula: ##STR7## wherein each X, which is the same or different, is a chlorine atom or a fluorine atom and wherein each Y, which is the same or different, is a hydrogen atom, a chlorine atom or a fluorine atom, which comprises reacting a fluoroketone cyanohydrin salt of the formula: ##STR8## wherein M is an alkali metal and each Y is as defined above with a fluoropropenyl halide of the formula: CFX═CX--CF.sub.2 --Z wherein Z is a halogen atom except fluorine and each X is as defined above.
Claim 8
Dependent Claim
96 words
A process for preparing polyfluoroallyl ethers of the formula: ##STR7## wherein each X, which is the same or different, is a chlorine atom or a fluorine atom and wherein each Y, which is the same or different, is a hydrogen atom, a chlorine atom or a fluorine atom, which comprises reacting a fluoroketone cyanohydrin salt of the formula: ##STR8## wherein M is an alkali metal and each Y is as defined above with a fluoropropenyl halide of the formula: CFX═CX--CF.sub.2 --Z wherein Z is a halogen atom except fluorine and each X is as defined above.
Claim 9
Dependent Claim
16 words
The process according to claim 6, wherein the reaction is carried out in an aprotic solvent.
Claim 10
Dependent Claim
23 words
The process according to claim 7, wherein the reaction is effected at a temperature wherein said aprotic solvent is in a liquid state.
Claim 11
Dependent Claim
49 words
A polymer of a polyfluoroallyl ether comprising units of the formula: ##STR9## wherein each X, which is the same or different, is a chlorine atom or a fluorine atom and each Y, which is the same or different, is a hydrogen atom, a chlorine atom or a fluorine atom.
Claim 12
Dependent Claim
49 words
A polymer of a polyfluoroallyl ether comprising units of the formula: ##STR9## wherein each X, which is the same or different, is a chlorine atom or a fluorine atom and each Y, which is the same or different, is a hydrogen atom, a chlorine atom or a fluorine atom.
Claim 13
Dependent Claim
42 words
The polymer according to claim 9, wherein said polymer is a polymer produced by polymerizing a polyfluoroallyl ether of the formula: ##STR10## wherein X and Y are the same as defined in claim 9 with at least one other ethylenically unsaturated monomer.
Claim 14
Dependent Claim
40 words
The polymer according to claim 9, wherein said polymer is a copolymer produced by polymerizing a polyfluoroallyl ether of the formula: ##STR11## wherein X and Y are the same as defined in claim 9, with one other ethylenically unsaturated monomer.
Claim 15
Dependent Claim
40 words
The polymer according to claim 9, wherein said polymer is a terpolymer produced by polymerizing a polyfluoroallyl ether of the formula: ##STR12## wherein X and Y are the same as defined in claim 11, with two other ethylenically unsaturated monomers.
Claim 16
Dependent Claim
23 words
The polymer according to claim 9, wherein the content of the units of the polyfluoroallyl ether is from 0.1 to 50 mol %.
Claim 17
Dependent Claim
23 words
The polymer according to claim 10, wherein the content of the units of the polyfluoroallyl ether is from 0.1 to 50 mol %.
Claim 18
Dependent Claim
23 words
The polymer according to claim 11, wherein the content of the units of the polyfluoroallyl ether is from 0.1 to 50 mol %.
Claim 19
Dependent Claim
23 words
The polymer according to claim 12, wherein the content of the units of the polyfluoroallyl ether is from 0.1 to 50 mol %.
Claim 20
Dependent Claim
19 words
The polymer according to claim 10, wherein said at least one other ethylenically unsaturated monomer is a fluorine-containing monomer.
Claim 21
Dependent Claim
49 words
The polymer according to claim 10, wherein said at least one other ethylenically unsaturated monomer is a monomer selected from the group consisting of ethylene, propylene, vinyl chloride, vinylidene chloride, acrylic acid, methacrylic acid, tetrafluoroethylene, trifluoroethylene, vinylidene fluoride, vinyl fluoride, hexafluoropropylene, chlorotrifluoroethylene, perfluoro(methyl vinyl ether) and perfluoro(propyl vinyl ether).
Claim 22
Dependent Claim
15 words
The copolymer according to claim 11, wherein said one other ethylenically unsaturated monomer is tetrafluoroethylene.
Claim 23
Dependent Claim
18 words
The polymer according to claim 12, wherein said two other ethylenically unsaturated monomers are vinylidene fluoride and hexafluoropropene.
Claim 24
Dependent Claim
15 words
The polymer according to claim 9, wherein the cyano groups are converted into carboxyl groups.
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) | 1986-04-11 | 1986-10-11 | 1987-04-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1990-04-11 | 1990-10-11 | 1991-04-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1994-04-11 | 1994-10-11 | 1995-04-12 | $7700.00 | Window Closed / Lapsed |