Wood powder-containing material, method of manufacturing the same, and compact

1. A wood powder-containing material comprising:

wood powder having a volume average particle diameter of from about 1 μm to about 5 mm;

an aliphatic polyester; and

a condensed phosphate ester.

2. The wood powder-containing material according to claim 1 , wherein

a content of the wood powder is from about 30% by mass to about 90% by mass with respect to a total amount of the wood powder-containing material,

a content of the aliphatic polyester is from about 5% by mass to about 65% by mass with respect to the total amount of the wood powder-containing material, and

a content of the condensed phosphate ester is from about 5% by mass to about 40% by mass with respect to the total amount of the wood powder-containing material.

3. The wood powder-containing material according to claim 1 , wherein the aliphatic polyester is at least one selected from the group consisting of a polylactic acid, polyhydroxy butyrate, polybutylene succinate, and a copolymer of two or more thereof.

4. The wood powder-containing material according to claim 2 , wherein the aliphatic polyester is at least one selected from the group consisting of a polylactic acid, polyhydroxy butyrate, polybutylene succinate, and a copolymer of two or more thereof.

5. The wood powder-containing material according to claim 1 , wherein the condensed phosphate ester is at least one selected from the group consisting of the compounds represented by the following structural formula (1) and the compounds represented by the following structural formula (2):

6. The wood powder-containing material according to claim 2 , wherein the condensed phosphate ester is at least one selected from the group consisting of the compounds represented by the following structural formula (1) and the compounds represented by the following structural formula (2):

7. The wood powder-containing material according to claim 3 , wherein the condensed phosphate ester is at least one selected from the group consisting of the compounds represented by the following structural formula (1) and the compounds represented by the following structural formula (2):

8. The wood powder-containing material according to claim 4 , wherein the condensed phosphate ester is at least one selected from the group consisting of the compounds represented by the following structural formula (1) and the compounds represented by the following structural formula (2):

9. The wood powder-containing material according to claim 1 , wherein a content ratio of the wood powder to the aliphatic polyester is 1:1 to 16:1.

10. The wood powder-containing material according to claim 1 , wherein a content ratio of the wood powder to the condensed phosphate ester is 1:3 to 16:1.

11. A compact comprising:

wood powder having a volume-average particle diameter of from about 1 μm to about 5 mm;

an aliphatic polyester; and

a condensed phosphate ester.

12. The compact according to claim 11 , wherein

a content of the wood powder is from about 30% by mass to about 90% by mass with respect to a total amount of the wood powder-containing material,

a content of the aliphatic polyester is from about 5% by mass to about 65% by mass with respect to the total amount of the wood powder-containing material, and

a content of the condensed phosphate ester is from about 5% by mass to about 40% by mass with respect to the total amount of the wood powder-containing material.

13. The compact according to claim 11 , wherein the aliphatic polyester is at least one selected from the group consisting of a polylactic acid, polyhydroxy butyrate, polybutylene succinate, and a copolymer of two or more thereof.

14. The compact according to claim 12 , wherein the aliphatic polyester is at least one selected from the group consisting of a polylactic acid, polyhydroxy butyrate, polybutylene succinate, and a copolymer of two or more thereof.

15. The compact according to claim 11 , wherein the condensed phosphate ester is at least one selected from the group consisting of the compounds represented by the following structural formula (1) and the compounds represented by the following structural formula (2):

16. The compact according to claim 12 , wherein the condensed phosphate ester is at least one selected from the group consisting of the compounds represented by the following structural formula (1) and the compounds represented by the following structural formula (2):

17. The compact according to claim 13 , wherein the condensed phosphate ester is at least one selected from the group consisting of the compounds represented by the following structural formula (1) and the compounds represented by the following structural formula (2):

18. The compact according to claim 14 , wherein the condensed phosphate ester is at least one selected from the group consisting of the compounds represented by the following structural formula (1) and the compounds represented by the following structural formula (2):

19. The compact according to claim 11 , wherein a content ratio of the wood powder to the aliphatic polyester is 1:1 to 16:1.

20. The compact according to claim 11 , wherein a content ratio of the wood powder to the condensed phosphate ester is 1:3 to 16:1.

21. A method of manufacturing a wood powder-containing material, comprising:

mixing wood powder having a volume average particle diameter of from about 1 μm to about 5 mm and a condensed phosphate ester; and

mixing a mixture of the wood powder and the condensed phosphate ester and an aliphatic polyester.