"As the binder, those known in the art can be used, which includes polyvinyl alcohol or modified compounds thereof; starch or modified compounds thereof; gelatin or modified compounds thereof; casein or modified compounds thereof; gum Arabic; cellulose derivatives such as carboxymethylcellulose, hydroxyethylcellulose and hydroxypropylmethylcellulose; conjugate diene based copolymer latex compounds" . . . .