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US 11,795,264 B2Granted
Latent curing agent and method for manufacturing same, composition for forming coating film, and cation-curable composition
AssigneeDexerials Corporation
InventorKazunobu Kamiya
Life of this patent
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Abstract
Provided is a latent curing agent, including: porous particles supporting an aluminum chelate compound; and a coating film over surfaces of the porous particles, the coating film containing an aluminum chelate compound and a polymer that contains at least one of a urea bond and an urethane bond, wherein a content of an active aluminum chelate compound is 20% by mass or greater.
Claims9
A latent curing agent, comprising:
- porous particles supporting an aluminum chelate compound;
- and
- a coating film over surfaces of the porous particles, the coating film containing an aluminum chelate compound and a polymer that contains at least one of a urea bond and an urethane bond,
- wherein a content of an active aluminum chelate compound is 20% by mass or greater.
1 more element
A method for producing a latent curing agent, the method comprising:
- heating and stirring a coating film forming composition and porous particles supporting an aluminum chelate compound in presence of a non-aqueous solvent, wherein the coating film forming composition comprises
- an isocyanate compound;
- and
- an aluminum chelate compound,
- wherein a content of the isocyanate compound is 10% by mass or less.
2 more elements
A canonically curable composition, comprising:
- a latent curing agent;
- and
- a canonically curable compound,
- wherein the latent curing agent comprises:
- porous particles supporting an aluminum chelate compound;
- and
- a coating film over surfaces of the porous particles, the coating film containing an aluminum chelate compound and a polymer that contains at least one of a urea bond and an urethane bond,
- wherein a content of an active aluminum chelate compound in the latent curing agent is 20% by mass or greater.
5 more elements
Dependencies are inferred from the claim text.