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US4031036A
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Use of bis(fluoroaliphaticsulfonyl) imides in cationic polymerization
Assignee: 3M Co
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Filing: 1975-06-09
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Granted: 1977-06-21
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Expires: 1995-06-09
Abstract
Abstract Bis(fluoroaliphaticsulfonyl)imides, in active or latent form, are used as catalysts for the polymerization of cationic sensitive monomers, e.g., epoxy resins.
Inventors
- 👤 Robert J. Koshar
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 04:47
CPC Classifications
C; C08; C08G; C08G59/00; C08G59/18; C08G59/68; C08G59/687; C08F; C08F4/00
Claims Analysis
Total Claims: 25
Claim 1
Independent Claim
43 words
The process comprising the steps of mixing monomer selected from the group consisting of epoxy compound or resin, vinyl ether, N-vinyl compound, aziridine, vinyl aromatic and acetal with a bis(fluoroaliphaticsulfonyl)imide or salt thereof as a catalyst for polymerization thereof, and polymerizing said monomer.
Claim 2
Dependent Claim
43 words
The process comprising the steps of mixing monomer selected from the group consisting of epoxy compound or resin, vinyl ether, N-vinyl compound, aziridine, vinyl aromatic and acetal with a bis(fluoroaliphaticsulfonyl)imide or salt thereof as a catalyst for polymerization thereof, and polymerizing said monomer.
Claim 3
Dependent Claim
27 words
The process of claim 1 wherein said catalyst has the formula (R f SO 2 ) 2 NH where R f is a fluorinated saturated aliphatic radical.
Claim 4
Dependent Claim
47 words
The process of claim 1, wherein said catalyst has the formula [(R f SO 2 ) 2 N -] n M n + where R f is a fluorinated saturated aliphatic radical, M is an ammonium or metal cation, and n is the valence of said cation.
Claim 5
Dependent Claim
26 words
The process according to claim 1, wherein said catalyst is mixed with said monomer in the form of a solution and polymerization is effected by heating.
Claim 6
Dependent Claim
11 words
The process according to claim 1 wherein said monomer comprises 3,4-epoxycyclohexylmethyl-3,4-epoxycyclohexanecarboxylate.
Claim 7
Dependent Claim
15 words
The process according to claim 1 wherein said monomer comprises diglycidyl ether of bisphenol A.
Claim 8
Dependent Claim
13 words
The process according to claim 1 wherein said monomer comprises phenyl glycidyl ether.
Claim 9
Dependent Claim
12 words
The process according to claim 1 wherein said monomer comprises vinylcyclohexene dioxide.
Claim 10
Dependent Claim
12 words
The process according to claim 1 wherein said monomer comprises styrene oxide.
Claim 11
Dependent Claim
13 words
The process according to claim 1 wherein said monomer comprises isopropyl vinyl ether.
Claim 12
Dependent Claim
13 words
The process according to claim 1 wherein said monomer comprises oleyl vinyl ether.
Claim 13
Dependent Claim
13 words
The process according to claim 1 wherein said monomer comprises N-methyl, N-vinyloctane sulfonamide.
Claim 14
Dependent Claim
11 words
The process according to claim 1 wherein said monomer comprises styrene.
Claim 15
Dependent Claim
11 words
The process according to claim 1 wherein said monomer comprises divinylbenzene.
Claim 16
Dependent Claim
24 words
The process comprising the steps of mixing tetrahydrofuran with a bis(fluoroaliphaticsulfonyl)imide or salt thereof as a catalyst for polymerization thereof, and polymerizing said tetrahydrofuran.
Claim 17
Dependent Claim
24 words
The process comprising the steps of mixing tetrahydrofuran with a bis(fluoroaliphaticsulfonyl)imide or salt thereof as a catalyst for polymerization thereof, and polymerizing said tetrahydrofuran.
Claim 18
Dependent Claim
20 words
The process of claim 1 wherein said catalyst is CF 3 SO 2 NHSO 2 C 4 F 9 .
Claim 19
Dependent Claim
24 words
The process of claim 1 wherein said catalyst is the morpholine salt of CF 3 SO 2 NHSO 2 C 4 F 9 .
Claim 20
Dependent Claim
24 words
The process of claim 1 wherein said catalyst is the silver salt of CF 3 SO 2 NHSO 2 C 4 F 9 .
Claim 21
Dependent Claim
42 words
A latently curable composition comprising monomer selected from the group consisting of epoxy compound or resin, vinyl ether, N-vinyl compound, aziridine, vinyl aromatic and acetal and, as a catalyst for the polymerization thereof, a bis(fluoroaliphaticsulfonyl)imide or an ammonium or metal salt thereof.
Claim 22
Dependent Claim
42 words
A latently curable composition comprising monomer selected from the group consisting of epoxy compound or resin, vinyl ether, N-vinyl compound, aziridine, vinyl aromatic and acetal and, as a catalyst for the polymerization thereof, a bis(fluoroaliphaticsulfonyl)imide or an ammonium or metal salt thereof.
Claim 23
Dependent Claim
22 words
The process according to claim 1 wherein said monomer comprises an epoxy compound or resin containing one or more cyclohexene oxide groups.
Claim 24
Dependent Claim
24 words
The process according to claim 1 wherein said monomer comprises an epoxy compound or resin having an epoxy equivalency of from 1.0 to 6.0.
Claim 25
Dependent Claim
24 words
The process according to claim 1 wherein said monomer comprises an epoxy compound or resin having an epoxy equivalency of from 1 to 3.
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) | 1980-06-20 | 1980-12-20 | 1981-06-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-06-20 | 1984-12-20 | 1985-06-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-06-20 | 1988-12-20 | 1989-06-21 | $7700.00 | Window Closed / Lapsed |