Cationically polymerizable composition
AssigneeJnc Corporation
InventorKazuya Suwa
Life of this patent
Estimating the term…
Abstract
A cationically polymerizable composition that provides a cured product and having an excellent balance of adhesion to various substrates, particularly, a silver substrate, and excellent handling properties. A cationically polymerizable composition including a double-decker type silsesquioxane compound having at least one alicyclic epoxy group in one molecule (A), a cationically polymerizable compound (B), a compound having a vinyl group and a cationically polymerizable cyclic ether (C), and a chelate-modified epoxy compound (D).
Claims3
A cationically polymerizable composition including a compound (A) represented by Formula (2), a cationically polymerizable compound (B), a compound (C) having a vinyl group and a cationically polymerizable cyclic ether, and a chelate-modified epoxy resin (D):
- wherein the compound (C) is a compound represented by Formula (4):
- the cationically polymerizable compound (B) contains a compound represented by Formula (B-1) and a compound represented by Formula (B-2),
- the chelate-modified epoxy resin (D) includes phosphate ester and is produced via reaction of a bisphenol A epoxy resin with phosphoric acid, and an amount of epoxy group/phosphate group is 28 to 33, an epoxy equivalent is 290 to 320 g/eq, and a phosphate equivalent is 8000 to 11000 g/eq,
- with respect to a total amount of (A) to (D), a content of the compound (A) represented by Formula (1) is 5 to 30 mass %, a content of the compound (C) having a vinyl group and a cyclic ether is 10 to 30 mass %, a content of the chelate-modified epoxy resin (D) is 10 to 50 mass %, and a content of the cationically polymerizable compound (B) is the remaining component ratio,
- a ratio between the content (mass %) of the compound represented by Formula (B-1) and the content (mass %) of the compound represented by Formula (B-2) is 5:1 to 2:1.
Dependencies are inferred from the claim text.