Curable resin composition, production method thereof and cured product
AssigneeThreebond Co., Ltd.
InventorTakuya Hisanaga
Life of this patent
Estimating the term…
Abstract
The present invention provides a curable resin composition excellent in surface curability and internal curability in bonding adherend members without use of an organic tin catalyst. The curable resin composition includes the following components (A) to (E): component (A): an epoxy resin having 2 or more epoxy groups in a molecule; component (B): a bismuth catalyst; component (C): water having a pH of 8.0 or more; component (D): an organic polymer having 2 or more hydrolyzable silyl groups in a molecule; and component (E): a curing agent for an epoxy resin.
Claims20
A curable resin composition comprising the following components (A) to (E):
- component (A):
- an epoxy resin having 2 or more epoxy groups in a molecule;
- component (B):
- a bismuth catalyst;
- component (C):
- an alkaline electrolyzed water having a pH of 8.0 or more, or
- a water having the pH of 8.0 or more and containing at least one or more compounds selected from the group consisting of sodium hydroxide, calcium hydroxide, potassium carbonate, and sodium metasilicate;
- component (D):
- an organic polymer having 2 or more hydrolyzable silyl groups in a molecule;
- and
- component (E):
- a curing agent for an epoxy resin.
A method for producing a curable resin composition, comprising mixing the following components (A) to (E):
- component (A):
- an epoxy resin having 2 or more epoxy groups in a molecule;
- component (B):
- a bismuth catalyst;
- component (C):
- an alkaline electrolyzed water having a pH of 8.0 or more, or
- a water having the pH of 8.0 or more and containing at least one or more compounds selected from the group consisting of sodium hydroxide, calcium hydroxide, potassium carbonate and sodium metasilicate;
- component (D):
- an organic polymer having 2 or more hydrolyzable silyl groups in a molecule;
- and
- component (E):
- a curing agent for an epoxy resin.
Dependencies are inferred from the claim text.