Patent ID: 7517923

Claim:
A method for producing a raw material composition, comprising mixing components (1) to (4) as described below: (1) a composition comprising a polymer component containing a homopolymer of vinyl acetate or a partial hydrolyzate thereof, or a copolymer of vinyl acetate with at least one monomer selected from the group consisting of acrylic ester, acrylic amide, acrylic acid, methacrylic acid, methacrylic ester, maleic acid, maleic anhydride, and fumaric acid, or a partial hydrolyzate thereof; (2) a composition comprising one or more compounds selected from the group consisting of a silicone compound, polyvinyl acetate, cetyl methyl cellulose, polyvinyl alcohol, and an epoxy resin; (3) an organic or inorganic powder, which is one or more members selected from the group consisting of plant fragmented powder, animal fragmented powder, paper fragmented powder, sand, rock powder, mineral powder, bone meal, shell fragmented powder, metal powder, glass powder, synthetic resin powder, and calcium carbonate; and (4) a sap obtained from one or more members selected from the group consisting of pine, white birch, maple, sugarcane, and sugar beet.