Polymeric compositions and components therefore

Details Polymeric compositions and components therefore Polymeric compositions and components therefore

C - Chemistry, Metallurgy

08

G

402/251, 400/542

C08G 75/20 (2006.01) C08G 59/02 (2006.01) C08G 65/48 (2006.01) C08L 61/06 (2006.01) C08L 63/00 (2006.01) C08L 81/06 (2006.01)

Patent

CA 2026015

PURPOSE:To obtain the titled composition having excellent water-resistant adhesive strength and wood breakage ratio, by adding specific amounts of an epoxy resin and optionally an epoxy resin hardener to a formaldehyde resin such as melamine-phenol-formaldehyde resin. CONSTITUTION:The objective composition is produced by compounding (A) 100pts.wt. of a formaldehyde resin selected from melamine-formaldehyde resin, urea-melamine-formaldehyde resin, melamine-phenol-formaldehyde resin, and urea-melamine-phenol-formaldehyde resin with (B) 1-20pts.wt. of an epoxy resin (e.g, bisphenol A glycidyl ether, etc.) and optionally (C) 0- 10pts.wt. of an epoxy resin hardener (preferably an amino compound such as diethylenetriamine, etc.).

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