Compositions and films comprised of avian feather keratin

Details Compositions and films comprised of avian feather keratin Compositions and films comprised of avian feather keratin

C - Chemistry, Metallurgy

08

L

C08L 89/00 (2006.01) A01G 7/00 (2006.01) A01N 25/00 (2006.01) C05F 1/00 (2006.01) C05G 5/00 (2006.01) C09D 189/00 (2006.01) C09J 189/00 (2006.01)

Patent

CA 2560291

A composition suitable for making films, wherein the composition contains keratin obtained from avian feathers and at least one OH containing plasticizer. Protein-based films containing at least one protein and at least one OH containing plasticizer, wherein the protein is a protein whose PE value is >= 2.5 where PE=(S+T+Y)/C where PE is plasticizer efficiency and where S, T, Y, and C are the amino acids serine, threonine, tyrosine, and cysteine, respectively, in the protein. Preferably the protein is keratin obtained from avian feathers.

La présente invention concerne une composition qui convient pour fabriquer des films, cette composition contenant de la kératine obtenue à partir de plumes d'oiseau et au moins un plastifiant contenant OH. Cette invention concerne des films à base de protéine contenant au moins une protéine et au moins un plastifiant contenant OH, cette protéine étant une protéine dont la valeur PE = 2.5 avec PE=(S+T+Y)/C, et PE étant l'efficacité du plastifiant et S, T, Y et C sont des acides aminés sérine, thréonine, tyrosine et cystéine, respectivement, dans cette protéine. De préférence cette protéine est de la kératine obtenue à partir de plumes d'oiseau..

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