Back to results
US 8,754,153 B2Granted
Adhesive compositions for bonding composites
AssigneeGeorgia-Pacific Chemicals LLC
InventorsBobby Lee Williamson, Richard M. Rammon
Life of this patent
Estimating the term…
Abstract
The present invention relates to a non-thermosetting composition made by reacting epichlorohydrin and a primary amine, to the use of that composition for making thermosetting (curable) adhesives suitable for bonding composites, to a method of preparing composites using the thermosetting (curable) adhesives, and to the related composites bonded with the thermosetting (curable) adhesives.
Claims17
A non-thermosetting composition, comprising:
- wood particles;
- and
- a reaction product of:
- (a) epichlorohydrin and (b) an amine selected from the group consisting of ammonia, a primary amine, and mixtures thereof,
- wherein the reaction product is produced by reacting the epichlorohydrin and the amine in a ratio of 0.25 to 0.60 moles of epichlorohydrin per atom equivalent of amine hydrogen, and wherein the reaction product is produced by reacting in a serial fashion separate portions of the epichlorohydrin and separate portions of the amine at a temperature of not greater than 60° C.
2 more elements
A non-thermosetting composition, comprising:
- wood particles;
- and
- a reaction product of epichlorohydrin and an amine,
- wherein the amine is selected from the group consisting of:
- ammonia, one or more primary amines, and any mixture thereof, and
- wherein the reaction product is produced by reacting the epichlorohydrin and the amine in a ratio of 0.25 to 0.60 moles of epichlorohydrin per atom equivalent of amine hydrogen.
3 more elements
A non-thermosetting composition, comprising:
- wood particles;
- and
- a reaction product of epichlorohydrin and an amine reacted at an epichlorohydrin to amine ratio of 0.25 to 0.60 moles of epichlorohydrin per atom equivalent of amine hydrogen, wherein the amine is selected from the group consisting of ammonia, one or more primary amines, and any mixture thereof, and wherein the non-thermosetting composition is in the form of an aqueous mixture containing the reaction product in an amount of about 20 wt % to about 80 wt %, based on the combined weight of the reaction product and water.
Dependencies are inferred from the claim text.