Production method for cellulose complex, production method for cellulose complex/resin composition, cellulose complex, and cellulose complex/resin composition
AssigneeNational University Corporation Shizuoka University
InventorKenji Aoki
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Abstract
Provided are a method for producing a cellulose complex capable of substantially uniformly dispersing cellulose in a resin without adding a compatibilizer (dispersant) while maintaining the properties of cellulose, a method for producing a cellulose complex/resin composition, a cellulose complex, and a cellulose complex/resin composition. The method for producing a cellulose complex includes a mixing step of mixing cellulose having a hydroxy group with a polymer having a reactive group capable of reacting with the hydroxy group and including a nonpolar polymer as a molecular chain, and a step of bonding the hydroxy group and the reactive group.
Claims5
A cellulose complex in which a hydroxy group of cellulose containing moisture is bonded to a nonpolar polymer via a reactive group of an aqueous emulsion of a polymer having the reactive group capable of reacting with the hydroxy group and including the nonpolar polymer as a molecular chain,
- and the polymer containing the reactive group and the nonpolar polymer has a weight average molecular weight of 10,000 or more and 200,000 or less,
- wherein the nonpolar polymer is polypropylene,
- the cellulose is cellulose fiber or cellulose nanofiber (CNF),
- the reactive group is at least one reactive group selected from the group consisting of a succinic anhydride group, a carbonyl group, and a carboxy group,
- the bond is an ester bond,
- and the polymer is a graft copolymer, wherein the grafting ratio is 0.2% and 4.0% or less,
- and the melting point of the polymer is about 80° C. or higher and 175° C. or lower.
Dependencies are inferred from the claim text.