#$%^&*AU2015261681A120160107.pdf#####The present invention is directed to a method of forming a composite laminar material comprising layers of a carbohydrate and protein with the preferred components being chitosan as the carbohydrate and silk fibroin as the protein. The method of producing this material results in a composite material of high mechanical strength. The invention also provides a method of attaching a medical implant device to tissue.