EP0128320A1
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EP
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Amine promotion of benzoin ether photoinitiators
Assignee: Stauffer Chemical Co
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Filing: 1984-04-30
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Granted: —
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Expires: 2004-04-30
Abstract
Abstract The use of amine compounds, e.g., tertiary amines containing alkanol groups, enhances the photoinitiation of benzoin ether photoinitiators.
Inventors
- 👤 Francis Anthony Via
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-11-08 16:51
CPC Classifications
G; G03; G03F; G03F7/00; G03F7/004; G03F7/027; G03F7/028; G03F7/031; C; C08; C08K; C08K5/00; C08K5/16; C08F; C08F2/00; C08F2/46; C08F2/48; C08F2/50
Claims Analysis
Total Claims: 13
Claim 1
Independent Claim
48 words
Photopolymerization of monomeric and polymeric compositions of photopolymerizable substances wherein a photoinitiator is admixed with a photopolymerizable composition and the mixture exposed to actinic radiation, characterized in that the photopolymerization is effectively initiated by a benzoin ether photoinitiator in the presence of an amine promoter for said photoinitiator.
Claim 2
Dependent Claim
48 words
Photopolymerization of monomeric and polymeric compositions of photopolymerizable substances wherein a photoinitiator is admixed with a photopolymerizable composition and the mixture exposed to actinic radiation, characterized in that the photopolymerization is effectively initiated by a benzoin ether photoinitiator in the presence of an amine promoter for said photoinitiator.
Claim 3
Dependent Claim
50 words
The method of Claim 1 wherein the benzoin ether has the formula where R is alkyl and R' is selected from hydrogen, alkyl, halogen, and alkoxy and wherein one or more R" groups can be optionally present on each phenyl ring and are selected from alkyl, alkoxy, halogen, and alkylamino.
Claim 4
Dependent Claim
43 words
The method of Claim 2, characterized in that R is an alkyl having up to 6 carbon atoms, and R' and R" independently from each other have up to 6 carbon atoms, when comprising an alkyl or alkyl moiety, or both are hydrogen.
Claim 5
Independent Claim
23 words
The method of one of the claims 1 through 3, characterized in that a tertiary alkanol amine is used as said amine promoter.
Claim 6
Dependent Claim
31 words
A composition photopolymerizable by actinic radiation comprising unsaturated polymerizable constituents containing dispersed therein an effective amount of a combination of a benzoin ether photoinitiator and an amine promoter for said photoinitiator.
Claim 7
Dependent Claim
31 words
A composition photopolymerizable by actinic radiation comprising unsaturated polymerizable constituents containing dispersed therein an effective amount of a combination of a benzoin ether photoinitiator and an amine promoter for said photoinitiator.
Claim 8
Dependent Claim
51 words
The composition of Claim 5 wherein the benzoin ether has the formula where R is alkyl and R f is selected from hydrogen, alkyl, halogen and alkoxy and wherein one or more R" groups can be optionally present on each phenyl ring and are selected from alkyl, alkoxy, halogen, and alkylamino.
Claim 9
Dependent Claim
43 words
The composition of Claim 6, characterized in that R is an alkyl having up to 6 carbon atoms, and R' and R" independently from each other have up to 6 carbon atoms, when comprising an alkyl or alkyl moiety, or both are hydrogen.
Claim 10
Dependent Claim
20 words
The composition of one of the Claims 5 through 7, characterized in that said amine promoter is a tertiary amine.
Claim 11
Dependent Claim
16 words
The composition of Claim 8, characterized in that said amine promoter is a tertiary alkanol amine.
Claim 12
Dependent Claim
26 words
The use of tertiary amines containing an alkanol group, especially the use of d-imeethylethanol amine as an enhancing promoter in the photoinitiation of benzoin ether photoinitiators.
Claim 13
Dependent Claim
26 words
The use of tertiary amines containing an alkanol group, especially the use of d-imeethylethanol amine as an enhancing promoter in the photoinitiation of benzoin ether photoinitiators.
References Cited (Backward Citations)
FR2216304A1
Cited
GB1529863A
Cited
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