RESIN COMPOSITION AND RESIN MOLDED ARTICLE
A resin composition includes a resin having a biomass-derived carbon atom, in which a D2 test piece made from the resin composition by a method defined in ISO 294-3:2002 has a contact angle with distilled water of 65 degrees to 85 degrees, the contact angle being measured by a method defined in ISO 15989:2004.
1 . A resin composition comprising a resin having a biomass-derived carbon atom,
wherein a D2 test piece made from the resin composition by a method defined in ISO 294-3:2002 has a contact angle with distilled water of 65 degrees to 85 degrees, the contact angle being measured by a method defined in ISO 15989:2004.
2 . The resin composition according to claim 1 ,
wherein a content of the biomass-derived carbon atom in the resin composition, defined in ASTM D6866:2012, is 30% or more with respect to a total amount of carbon atoms in the resin composition.
3 . The resin composition according to claim 1 ,
wherein the resin having a biomass-derived carbon atom contains a cellulose acylate (A).
4 . The resin composition according to claim 2 ,
wherein the resin having a biomass-derived carbon atom contains a cellulose acylate (A).
5 . The resin composition according to claim 3 ,
wherein the cellulose acylate (A) is at least one compound selected from the group consisting of a cellulose acetate propionate (CAP) and a cellulose acetate butyrate (CAB).
6 . The resin composition according to claim 4 ,
wherein the cellulose acylate (A) is at least one compound selected from the group consisting of a cellulose acetate propionate (CAP) and a cellulose acetate butyrate (CAB).
7 . The resin composition according to claim 3 ,
wherein a content of the cellulose acylate (A) is 50% by weight or more with respect to the resin composition.
8 . The resin composition according to claim 4 ,
wherein a content of the cellulose acylate (A) is 50% by weight or more with respect to the resin composition.
9 . The resin composition according to claim 5 ,
wherein a content of the cellulose acylate (A) is 50% by weight or more with respect to the resin composition.
10 . The resin composition according to claim 6 ,
wherein a content of the cellulose acylate (A) is 50% by weight or more with respect to the resin composition.
11 . The resin composition according to claim 1 , further comprising at least one ester compound (B) selected from the group consisting of a compound represented by Formula (1), a compound represented by Formula (2), a compound represented by Formula (3), a compound represented by Formula (4), and a compound represented by Formula (5),
wherein R 11 represents an aliphatic hydrocarbon group having 7 to 28 carbon atoms and R 12 represents an aliphatic hydrocarbon group having 9 to 28 carbon atoms,
R 21 and R 22 each independently represent an aliphatic hydrocarbon group having 7 to 28 carbon atoms,
R 31 and R 32 each independently represent an aliphatic hydrocarbon group having 7 to 28 carbon atoms,
R 41 , R 42 , and R 43 each independently represent an aliphatic hydrocarbon group having 7 to 28 carbon atoms,
R 51 , R 52 , R 53 , and R 54 each independently represent an aliphatic hydrocarbon group having 7 to 28 carbon atoms.
12 . The resin composition according to claim 11 ,
wherein the resin having a biomass-derived carbon atom contains the cellulose acylate (A), and a weight ratio (B/A) of the ester compound (B) to the cellulose acylate (A) is from 0.0025 to 0.1.
13 . The resin composition according to claim 7 ,
wherein a weight ratio (B/A Bio ) of the ester compound (B) to the resin having a biomass-derived carbon atom (A Bio ) is from 0.005 to 0.05.
14 . The resin composition according to claim 1 , further comprising a plasticizer (C).
15 . The resin composition according to claim 14 ,
wherein the plasticizer (C) contains at least one selected from the group consisting of a cardanol compound, a dicarboxylic acid diester, a citric acid ester, a polyether compound having at least one unsaturated bond in a molecule of the polyether compound, a polyetherester compound, a benzoic acid glycol ester, a compound represented by Formula (6), and an epoxidized fatty acid ester,
wherein R 61 represents an aliphatic hydrocarbon group having 7 to 28 carbon atoms and R 62 represents an aliphatic hydrocarbon group having 1 to 8 carbon atoms.
16 . The resin composition according to claim 13 ,
wherein the plasticizer (C) contains the cardanol compound.
17 . The resin composition according to claim 1 , further comprising a thermoplastic elastomer (D).
18 . The resin composition according to claim 17 ,
wherein the thermoplastic elastomer (D) contains at least one selected from the group consisting of a core-shell structure polymer (d1) having a core layer and a shell layer containing an alkyl (meth)acrylate polymer on a surface of the core layer, and an olefin polymer (d2) that is a polymer of an α-olefin and an alkyl (meth)acrylate, and contains 60% by weight or more of a constituent unit derived from the α-olefin.
19 . A resin molded article comprising the resin composition according to claim 1 .
20 . The resin molded article according to claim 19 ,
wherein the resin molded article is an injection molded article.