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US 2003/0191256 A1Published application
Cationically polymerizable composition
AssigneeRiso Kagaku Corporation
InventorAkiko Hayashi
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AssigneeRiso Kagaku Corporation
InventorAkiko Hayashi
Estimating the term…
A cationically polymerizable composition is provided, which comprises a cationically polymerizable compound, a cationic polymerization initiator, and a specific tertiary alkanolamine or tertiary alkylamine. The cationically polymerizable compound is preferably an alicyclic epoxy compound and an oxetane compound. The above amine accounts for 0.01 to 1.0% by weight, preferably 0.05 to 0.5% by weight of the total of the cationically polymerizable composition and the cationic polymerization initiator accounts for 0.1 to 20 parts by weight based on 100 parts by weight of the cationically polymerizable compound. The composition is excellent in storage stability and dispersion stability of colorants contained therein.
A cationically polymerizable composition, comprising a cationically polymerizable compound, a cationic polymerization initiator and a compound having the following general formula I:
A method for stabilizing a cationically polymerizable composition, which comprises adding a compound having the following general formula I to a cationically polymerizable composition comprising a cationically polymerizable compound and a cationic polymerization initiator:
Dependencies are inferred from the claim text.
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1. Field of the Invention
This invention relates to a cationically polymerizable composition excellent not only in storage stability but also in colorant-dispersion stability.
2. Description of the Related Art
Although this invention will be described in further detail with reference to several examples, it is to be understood that these examples are intended for illustrative purpose only and not intended to limit this invention.
The methods for testing compositions were as follows.
Curability Test
Characterised by the catalysts used: containing nitrogen
Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react…:…
Characterised by the catalysts used: onium compounds
Cyclic ethers having four or more ring atoms: oxetanes
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